RMBS / Rambus Inc. - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Rambus Inc.
US ˙ NasdaqGS ˙ US7509171069

Mga Batayang Estadistika
LEI 2549000211GDCQSLV833
CIK 917273
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Rambus Inc.
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
July 29, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 000-22339 RAMBUS INC

July 28, 2025 EX-99.1

RAMBUS REPORTS SECOND QUARTER 2025 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS SECOND QUARTER 2025 FINANCIAL RESULTS • Exceeded expectations for Q2 revenue and earnings • Achieved record quarterly product revenue of $81.3 million, up 43% year over year • Generated record quarterly cash from operations of $94.4 million SAN JOSE, Calif. – July 28, 2025 – Rambus Inc. (NASDAQ:RMBS), a provider of industry-leading chips and IP making data

July 28, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 28, 2025 Rambus Inc. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 28, 2025 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

May 30, 2025 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporati

SD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (I. R. S. Employer Identification No.) 4453 North First Street, Suite 100 San Jose, California 95134 (Address of princ

May 30, 2025 EX-1.01

Rambus Inc. Conflict Minerals Report for the reporting period January 1, 2024 to December 31, 2024.

EX-1.01 Exhibit 1.01 Rambus Inc. Conflict Minerals Report For the Reporting Period from January 1, 2024 to December 31, 2024 Introduction This Conflict Minerals Report (this “Report”) of Rambus Inc. (“we,” “our,” “us,” “Rambus” or the “Company”) for the reporting period January 1, 2024 to December 31, 2024 (the “Reporting Period”) has been prepared in accordance with the requirements of Rule 13p-1

April 30, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 24, 2025 Rambus Inc. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 24, 2025 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

April 29, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 000-22339 RAMBUS IN

April 28, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 28, 2025 Rambus Inc. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 28, 2025 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

April 28, 2025 EX-99.1

RAMBUS REPORTS FIRST QUARTER 2025 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS FIRST QUARTER 2025 FINANCIAL RESULTS •Exceeded guidance for Q1 revenue and earnings •Delivered record quarterly product revenue of $76.3 million, up 52% year over year •Generated outstanding quarterly cash from operations of $77.4 million SAN JOSE, Calif. – April 28, 2025 – Rambus Inc. (NASDAQ:RMBS), a provider of industry-leading chips and IP making data f

March 7, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Pro

March 7, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ☒       Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

February 24, 2025 EX-19.1

Insider Trading Policy

Exhibit 19.1 RAMBUS INC. Revised November 7, 2024 INSIDER TRADING POLICY Document Number: 00613 I. PURPOSE This policy sets forth the restrictions on Insiders with respect to transactions in Rambus Inc. securities, Rambus Inc. and its subsidiaries hereinafter the “Company” or “Rambus”. II. OVERVIEW It is your responsibility to understand and follow this policy. Insider trading is illegal and a vio

February 24, 2025 EX-10.29

Amendment 3 to Semiconductor Patent License Agreement, dated December 10, 2024, between Registrant and Micron Technology, Inc.

Exhibit 10.29 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. AMENDMENT NUMBER 3 TO SEMICONDUCTOR PATENT LICENSE AGREEMENT This Amendment Number 3 (“Amendment 3”) amends that certain Semiconductor Patent License Agree

February 24, 2025 EX-10.14

Semiconductor Patent License Agreement, dated June 11, 2013, between Registrant and SK hynix.

Exhibit 10.14 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SEMICONDUCTOR PATENT LICENSE AGREEMENT This SEMICONDUCTOR PATENT LICENSE AGREEMENT (“Agreement”) is effective as of July 1, 2013 (the “Effective Date”) by

February 24, 2025 EX-10.10

Semiconductor Patent License Agreement, dated January 19, 2010, between Registrant and Samsung Electronics Co., Ltd.

Exhibit 10.10 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SEMICONDUCTOR PATENT LICENSE AGREEMENT BETWEEN RAMBUS INC. AND SAMSUNG ELECTRONICS CO., LTD. SEMICONDUCTOR PATENT LICENSE AGREEMENT This SEMICONDUCTOR PATE

February 24, 2025 EX-10.15

Settlement Agreement, dated December 9, 2013, between Rambus Inc., Micron Technology, Inc., and certain Micron affiliates.

Exhibit 10.15 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SETTLEMENT AGREEMENT THIS SETTLEMENT AGREEMENT (the “Agreement”) is made and entered into as of the 9th day of December, 2013 (the “Effective Date”) by and

February 24, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 000-22

February 24, 2025 EX-10.16

Semiconductor Patent License Agreement, dated December 9, 2013, between Rambus, Inc. and Micron Technology, Inc.

Exhibit 10.16 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SEMICONDUCTOR PATENT LICENSE AGREEMENT This SEMICONDUCTOR PATENT LICENSE AGREEMENT (“Agreement”) is effective as of December 1, 2013 (“Effective Date”) by

February 24, 2025 EX-FILING FEES

Filing Fee Table.

Exhibit 107.1 Calculation of Filing Fee Table Form S-8 (Form Type) Rambus Inc. (Exact name of registrant as specified in its charter) Table 1 - Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee (1) Equity  Common Stock, $0.001 par value p

February 24, 2025 EX-10.9

Settlement Agreement, dated January 19, 2010, among Registrant, Samsung Electronics Co., Ltd, Samsung Electronics America, Inc., Samsung Semiconductor, Inc. and Samsung Austin Semiconductor, L.P.

Exhibit 10.9 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SETTLEMENT AGREEMENT THIS SETTLEMENT AGREEMENT (the “Agreement”) is made by and among Rambus Inc., a Delaware corporation (“Rambus”), on the one hand, and S

February 24, 2025 EX-10.17

Amendment to Semiconductor Patent License Agreement, dated December 30, 2013, by and between Rambus Inc. and Samsung Electronics Co., Ltd.

Exhibit 10.17 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. AMENDMENT TO SEMICONDUCTOR PATENT LICENSE AGREEMENT This Amendment (“Amendment”) to the Semiconductor Patent License Agreement dated January 19, 2010 (“SPL

February 24, 2025 S-8

As filed with the Securities and Exchange Commission on February 24, 2025

As filed with the Securities and Exchange Commission on February 24, 2025 Registration No.

February 24, 2025 EX-21.1

Subsidiaries of Registrant.

Exhibit 21.1 SUBSIDIARIES OF REGISTRANT Rambus Canada Inc. Rambus Controllers, Inc. Rambus Ltd. (Grand Cayman Islands, BWI) Rambus Chip Technologies (India) Private Limited Rambus Korea, Inc. (South Korea) Rambus ROTW Holding B.V. Cryptography Research, Inc. PLDA Ltd (Bulgaria) PLDA SAS (France) Hardent Inc. (Canada)

February 24, 2025 EX-10.18

Amendment 1 to Semiconductor Patent License Agreement, dated June 17, 2015, by and between Rambus Inc. and SK hynix Inc.

Exhibit 10.18 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. AMENDMENT 1 TO SEMICONDUCTOR PATENT LICENSE AGREEMENT This AMENDMENT 1 TO SEMICONDUCTOR PATENT LICENSE AGREEMENT (“Amendment”), effective as of the date of

February 24, 2025 EX-10.13

Settlement Agreement, dated June 11, 2013, among Registrant, SK hynix and certain SK hynix affiliates.

Exhibit 10.13 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SETTLEMENT AGREEMENT THIS SETTLEMENT AGREEMENT (the “Agreement”) is made and entered into as of the July 1, 2013 by and among Rambus Inc., a Delaware corpo

February 24, 2025 EX-97.1

Compensation Recovery Policy, as adopted on July 27, 2023.

Exhibit 97.1 RAMBUS INC. (“Rambus or the Company”) As adopted on July 27, 2023 COMPENSATION RECOVERY POLICY Document Number: CORP15 Rambus Inc. (the “Company”) is committed to strong corporate governance. As part of this commitment, the Company’s Board of Directors (the “Board”) and the Board’s Compensation and Human Resources Committee (the “Committee”) have adopted this clawback policy called th

February 3, 2025 EX-99.1

RAMBUS REPORTS FOURTH QUARTER AND FISCAL YEAR 2024 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS FOURTH QUARTER AND FISCAL YEAR 2024 FINANCIAL RESULTS •Delivered record quarterly product revenue of $73.4 million, up 11% sequentially and 37% year over year •Generated record annual cash from operations of $230.6 million for 2024, up 18% year over year •Extended patent license agreement with Micron through 2029 SAN JOSE, Calif. - February 3, 2025 - Rambus

February 3, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) FEBRUARY 3, 2025 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number

December 10, 2024 EX-99.1

Rambus and Micron Technology Extend Patent License Agreement

EX-99.1 Exhibit 99.1 Rambus and Micron Technology Extend Patent License Agreement Five-year agreement extends product collaboration and enables broad access to Rambus innovations SAN JOSE, Calif. – Dec. 10, 2024 – Rambus Inc. (NASDAQ: RMBS), a premier chip and silicon IP provider making data faster and safer, today announced it has extended the term of its comprehensive patent license agreement wi

December 10, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) December 9, 2024 Rambus Inc. (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) December 9, 2024 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number

October 30, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 000-22339 RAMBU

October 28, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 28, 2024 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Numbe

October 28, 2024 EX-99.1

RAMBUS REPORTS THIRD QUARTER 2024 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS THIRD QUARTER 2024 FINANCIAL RESULTS •Delivered $66.4 million in product revenue, up 17% sequentially and 27% year over year •Achieved strong sequential earnings growth and generated excellent cash from operations of $62.1 million •Unveiled industry-first complete chipsets for next-generation, industry-standard DDR5 MRDIMMs and RDIMMs for the data center an

July 31, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 000-22339 RAMBUS INC

July 29, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 29, 2024 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

July 29, 2024 EX-99.1

RAMBUS REPORTS SECOND QUARTER 2024 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS SECOND QUARTER 2024 FINANCIAL RESULTS •Achieved solid Q2 results in line with expectations and generated outstanding cash from operations of $70.4 million •Delivered $56.7 million in product revenue, up 13% sequentially •Continued product portfolio expansion with DDR5 server PMICs, Client Clock Driver, and PCIe 7 IP solutions SAN JOSE, Calif. – July 29, 202

May 31, 2024 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporati

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (I. R. S. Employer Identification No.) 4453 North First Street, Suite 100 San Jose, California 95134 (Address of principa

May 31, 2024 EX-1.01

Exhibit 1.01 – Rambus Inc. Conflict Minerals Report for the reporting period January 1, 2023 to December 31, 2023 as required by Items 1.01 and 1.02 of this Form SD.

Exhibit 1.01 Rambus Inc. Conflict Minerals Report For the Reporting Period from January 1, 2023 to December 31, 2023 Introduction This Conflict Minerals Report (this “Report”) of Rambus Inc. (“we,” “our,” “us,” “Rambus” or the “Company”) for the reporting period January 1, 2023 to December 31, 2023 (the “Reporting Period”) has been prepared in accordance with the requirements of Rule 13p-1 (the “R

May 2, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 000-22339 RAMBUS IN

April 29, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 29, 2024 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

April 29, 2024 EX-99.1

RAMBUS REPORTS FIRST QUARTER 2024 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS FIRST QUARTER 2024 FINANCIAL RESULTS •Delivered solid Q1 results and expanded leadership offerings for the data center •Completed $50.0 million accelerated share repurchase program •Launched industry-leading family of DDR5 PMICs for AI and traditional servers SAN JOSE, Calif. – April 29, 2024 – Rambus Inc. (NASDAQ:RMBS), a provider of industry-leading chips

April 26, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 25, 2024 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

March 8, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ☒       Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

March 8, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

March 1, 2024 EX-10.1

Form of ASR Agreement.

Exhibit 10.1 [] [] Facsimile: [] Telephone: [] c/o [] as Agent for [] [] [] Telephone: [] [February 29], 2024 To: Rambus, Inc. 4453 North First Street, Suite 100 San Jose, California 95134 Attention: Desmond Lynch, Senior Vice President, Finance and Chief Financial Officer Telephone No.: (408) 462-8000 Facsimile No.: (408) 462-8001 Re: Master Confirmation - Uncollared Accelerated Share Repurchase

March 1, 2024 8-K

Entry into a Material Definitive Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 29, 2024 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Numbe

March 1, 2024 EX-99.1

Rambus Initiates Accelerated Share Repurchase Program

Exhibit 99.1 Rambus Initiates Accelerated Share Repurchase Program NEWS PROVIDED BY Rambus Inc. March 1, 2024 09:00 ET SAN JOSE, Calif., March 1, 2024 - (BUSINESS WIRE) – Rambus Inc. (NASDAQ: RMBS), a premier chip and silicon IP provider making data faster and safer, today announced that it initiated an accelerated share repurchase program with Royal Bank of Canada, through its agent RBC Capital M

February 28, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 26, 2024 Rambus Inc. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 26, 2024 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Numb

February 28, 2024 EX-16.1

Letter from PricewaterhouseCoopers LLP dated February 28, 2024.

EX-16.1 Exhibit 16.1 February 28, 2024 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We have read the statements made by Rambus Inc. (copy attached), which we understand will be filed with the Securities and Exchange Commission, pursuant to Item 4.01 of Form 8-K of Rambus Inc. dated February 26, 2024. We agree with the statements concerning our Firm cont

February 23, 2024 EX-97

Compensation Recovery Policy, as adopted on July 27, 2023.

Exhibit 97 RAMBUS INC. (“Rambus or the Company”) As adopted on July 27, 2023 COMPENSATION RECOVERY POLICY Document Number: CORP15 Rambus Inc. (the “Company”) is committed to strong corporate governance. As part of this commitment, the Company’s Board of Directors (the “Board”) and the Board’s Compensation and Human Resources Committee (the “Committee”) have adopted this clawback policy called the

February 23, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 000-22

February 23, 2024 EX-4.3

Description of Securities.

Exhibit 4.3 DESCRIPTION OF SECURITIES References to “Rambus” and the “Company” herein are, unless the context otherwise indicates, only to Rambus Inc. and not to any of its subsidiaries. Description of Capital Stock The following is a summary of the Company’s capital stock and certain provisions of its Amended and Restated Certificate of Incorporation (the “Certificate”) and Amended and Restated B

February 23, 2024 EX-21.1

Subsidiaries of Registrant.

Exhibit 21.1 SUBSIDIARIES OF REGISTRANT Rambus Canada Inc. Rambus Controllers, Inc. Rambus Delaware LLC Rambus International Ltd. Rambus K.K. (Japan) Rambus Ltd. (Grand Cayman Islands, BWI) Rambus Chip Technologies (India) Private Limited Rambus Korea, Inc. (South Korea) Rambus Global Inc. Rambus Information Technology Consulting (Shanghai) Co. Ltd. Rambus UK Ltd. Rambus ROTW Holding B.V. Cryptogr

February 13, 2024 SC 13G/A

RMBS / Rambus Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01780-rambusinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 13)* Name of issuer: Rambus Inc Title of Class of Securities: Common Stock CUSIP Number: 750917106 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the rule pur

February 5, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) FEBRUARY 5, 2024 Rambus Inc. (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) FEBRUARY 5, 2024 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number

February 5, 2024 EX-99.1

RAMBUS REPORTS FOURTH QUARTER AND FISCAL YEAR 2023 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS FOURTH QUARTER AND FISCAL YEAR 2023 FINANCIAL RESULTS •Delivered strong Q4 results with revenue and earnings at the high end of guidance •Generated $54.8 million in cash from operations in Q4 •Produced quarterly product revenue of $53.7 million driven by memory interface chips •Launched industry’s first Gen4 DDR5 RCD for server memory modules SAN JOSE, Cali

November 3, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 000-22339 RAMBU

October 30, 2023 EX-99.1

RAMBUS REPORTS THIRD QUARTER 2023 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS THIRD QUARTER 2023 FINANCIAL RESULTS •Delivered strong Q3 results with revenue and earnings above the midpoint of guidance •Generated $51.6 million in cash from operations and completed $100.0 million accelerated share repurchase program •Completed the sale of the PHY IP business, strengthening focus on chips and digital IP •Produced quarterly product reven

October 30, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 30, 2023 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Numbe

September 7, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 6, 2023 Rambus Inc. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 6, 2023 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Numb

September 7, 2023 EX-99.1

Rambus Completes Sale of PHY IP Assets to Cadence

EX-99.1 Exhibit 99.1 PRESS RELEASE Rambus Completes Sale of PHY IP Assets to Cadence SAN JOSE, Calif. – September 7, 2023 - Rambus Inc. (NASDAQ: RMBS), a premier chip and silicon IP provider making data faster and safer, today announced the completion of the previously announced sale of its PHY IP business to Cadence Design Systems, Inc. With this transaction, Rambus strengthens its focus on high-

August 11, 2023 EX-10.1

Form of Accelerated Share Repurchase Program Agreement.

EX-10.1 Exhibit 10.1 [] [] Facsimile: [] Telephone: [] c/o [] as Agent for [] [] [] Telephone: [] August [10], 2023 To: Rambus, Inc. 4453 North First Street, Suite 100 San Jose, California 95134 Attention: Desmond Lynch, Senior Vice President, Finance and Chief Financial Officer Telephone No.: (408) 462-8000 Facsimile No.: (408) 462-8001 Re: Master Confirmation—Uncollared Accelerated Share Repurch

August 11, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 10, 2023 Rambus Inc. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 10, 2023 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

August 11, 2023 EX-99.1

Rambus Initiates $100 Million Accelerated Share Repurchase Program

EX-99.1 Exhibit 99.1 Rambus Initiates $100 Million Accelerated Share Repurchase Program NEWS PROVIDED BY Rambus Inc. August 11, 2023, 09:00 ET SAN JOSE, Calif., August 11, 2023 /PRNewswire/ — Rambus Inc. (NASDAQ: RMBS), a premier chip and silicon IP provider making data faster and safer, today announced that it initiated an accelerated share repurchase program with Royal Bank of Canada, through it

August 4, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 000-22339 RAMBUS INC

August 2, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 27, 2023 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

July 31, 2023 EX-99.1

RAMBUS REPORTS SECOND QUARTER 2023 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS SECOND QUARTER 2023 FINANCIAL RESULTS •Delivered strong Q2 results with revenue in line and earnings at the high end of guidance •Generated $50.4 million in cash from operations •Produced quarterly product revenue of $55.0 million driven by memory interface chips SAN JOSE, Calif. – July 31, 2023 – Rambus Inc. (NASDAQ:RMBS), a provider of industry-leading ch

July 31, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 31, 2023 Rambus Inc. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 31, 2023 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

July 20, 2023 EX-2.1

Asset Purchase Agreement by and between Rambus Inc. and Cadence Design Systems, Inc., dated as of July 19, 2023.

EX-2.1 Exhibit 2.1 Execution Version ASSET PURCHASE AGREEMENT by and between RAMBUS INC. and CADENCE DESIGN SYSTEMS, INC. Dated as of July 19, 2023 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS; INTERPRETATION 1.1 Defined Terms 1 1.2 Definitions 15 ARTICLE II THE TRANSACTIONS 2.1 Transferred Assets, Excluded Assets, Assumed Liabilities and Excluded Liabilities 16 2.2 Non-Assignable Assets 20 2.3 Sh

July 20, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 19, 2023 Rambus Inc. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 19, 2023 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

July 20, 2023 EX-99.1

Cadence to Acquire Rambus PHY IP Assets Transaction to enrich Cadence’s established IP portfolio and strengthen Rambus’s focus on high-growth chips and digital IP

EX-99.1 Exhibit 99.1 For media inquiries, please contact: Cadence Newsroom 408-944-7039 [email protected] Cori Pasinetti Rambus Corporate Communications t: (650) 309-6226 [email protected] Cadence to Acquire Rambus PHY IP Assets Transaction to enrich Cadence’s established IP portfolio and strengthen Rambus’s focus on high-growth chips and digital IP SAN JOSE, Calif., July 20, 2023—Cadence D

May 30, 2023 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporati

SD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (I. R. S. Employer Identification No.) 4453 North First Street, Suite 100 San Jose, California 95134 (Address of princ

May 30, 2023 EX-1.01

Rambus Inc. Conflict Minerals Report for the reporting period January 1, 2022 to December 31, 2022.

EX-1.01 2 d467341dex101.htm EX-1.01 Exhibit 1.01 Rambus Inc. Conflict Minerals Report For the Reporting Period from January 1, 2022 to December 31, 2022 Introduction This Conflict Minerals Report (this “Report”) of Rambus Inc. (“we,” “Rambus” or the “Company”) for the reporting period January 1, 2022 to December 31, 2022 (the “Reporting Period”) has been prepared in accordance with the requirement

May 5, 2023 EX-10.1

Amendment 2 to Semiconductor Patent License Agreement, dated March 31, 2023, between Registrant and SK hynix.

Exhibit 10.1 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. AMENDMENT 2 TO SEMICONDUCTOR PATENT LICENSE AGREEMENT This AMENDMENT 2 TO SEMICONDUCTOR PATENT LICENSE AGREEMENT (the “Second Amendment”), effective as of J

May 5, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 000-22339 RAMBUS IN

May 2, 2023 EX-10.1

2015 Equity Incentive Plan, as amended.

EX-10.1 Exhibit 10.1 RAMBUS INC. 2015 EQUITY INCENTIVE PLAN (as amended April 27, 2023) 1. Purposes of the Plan. The purposes of this Plan are: • to attract and retain the best available personnel for positions of substantial responsibility, • to provide incentives to individuals who perform services to the Company, and • to promote the success of the Company’s business. The Plan permits the grant

May 2, 2023 EX-3.2

Amended and Restated Bylaws of Registrant dated April 27, 2023.

EX-3.2 Exhibit 3.2 AMENDED AND RESTATED BYLAWS OF RAMBUS INC. TABLE OF CONTENTS Page ARTICLE I CORPORATE OFFICES 1 1.1 REGISTERED OFFICE 1 1.2 OTHER OFFICES 1 ARTICLE II MEETINGS OF STOCKHOLDERS 1 2.1 PLACE OF MEETINGS 1 2.2 ANNUAL MEETING 1 2.3 SPECIAL MEETING 2 2.4 NOTICE OF STOCKHOLDERS’ MEETINGS 2 2.5 MANNER OF GIVING NOTICE; AFFIDAVIT OF NOTICE 2 2.6 QUORUM 2 2.7 ADJOURNED MEETING; NOTICE 3 2

May 2, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 27, 2023 Rambus Inc. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 27, 2023 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

May 2, 2023 EX-3.1

Amended and Restated Certificate of Incorporation of Registrant dated April 27, 2023.

EX-3.1 Exhibit 3.1 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF RAMBUS INC. Rambus Inc., a corporation organized and existing under the laws of the State of Delaware, hereby certifies as follows: A. The name of the Corporation is Rambus Inc. The Corporation was originally incorporated under the same name and the original Certificate of Incorporation of the Corporation was filed with the De

May 1, 2023 EX-99.1

RAMBUS REPORTS FIRST QUARTER 2023 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS FIRST QUARTER 2023 FINANCIAL RESULTS •Delivered strong Q1 results with revenue and earnings at the high end of guidance •Produced quarterly product revenue of $63.8 million driven by memory interface chips, up 33% year over year •Extended comprehensive patent license agreement with SK hynix by 10 years through 2034 SAN JOSE, Calif. – May 1, 2023 – Rambus In

May 1, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 1, 2023 Rambus Inc. (Exact na

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 1, 2023 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (I

April 4, 2023 EX-99.1

Rambus and SK hynix Extend Comprehensive License Agreement

EX-99.1 Exhibit 99.1 Rambus and SK hynix Extend Comprehensive License Agreement Agreement extended by ten years to 2034, enabling long-term collaboration on products and broad access to Rambus innovations SAN JOSE, Calif. – April 4, 2023 – Rambus Inc. (NASDAQ: RMBS), a premier chip and silicon IP provider making data faster and safer, today announced it has extended its comprehensive patent licens

April 4, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 31, 2023 Rambus Inc. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 31, 2023 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

March 17, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Pro

March 17, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14 (a) OF THE SECURITIES EXCHANGE ACT OF 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14 (a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Def

March 6, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) MARCH 1, 2023 Rambus Inc. (Exact n

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) MARCH 1, 2023 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (

February 24, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 000-22

February 24, 2023 EX-10.31

Amendment No. 2 dated October 27, 2022, to the Semiconductor Patent License Agreement, dated January 19, 2010, between Registrant and Samsung Electronics Co., Ltd.

Exhibit 10.31 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SECOND AMENDMENT TO SEMICONDUCTOR PATENT LICENSE AGREEMENT This Second Amendment (“Amendment”) to the Semiconductor Patent License Agreement dated January

February 24, 2023 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defi

February 24, 2023 EX-21.1

Subsidiaries of Registrant.

Exhibit 21.1 SUBSIDIARIES OF REGISTRANT Rambus Canada Inc. Rambus Controllers, Inc. Rambus Delaware LLC Rambus International Ltd. Rambus K.K. (Japan) Rambus Ltd. (Grand Cayman Islands, BWI) Rambus Chip Technologies (India) Private Limited Rambus Korea, Inc. (South Korea) Rambus France SAS Rambus Global Inc. Rambus Information Technology Consulting (Shanghai) Co. Ltd. Rambus UK Ltd. Rambus ROTW Hol

February 24, 2023 EX-4.3

Description of Securities.

Exhibit 4.3 DESCRIPTION OF SECURITIES References to “Rambus” and the “Company” herein are, unless the context otherwise indicates, only to Rambus Inc. and not to any of its subsidiaries. Description of Capital Stock The following is a summary of the Company’s capital stock and certain provisions of its Amended and Restated Certificate of Incorporation (the “Certificate”) and Amended and Restated B

February 9, 2023 SC 13G/A

RMBS / Rambus Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01755-rambusinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 12)* Name of issuer: Rambus Inc. Title of Class of Securities: Common Stock CUSIP Number: 750917106 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rule pu

February 6, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) FEBRUARY 6, 2023 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number

February 6, 2023 EX-99.1

RAMBUS REPORTS FOURTH QUARTER AND FISCAL YEAR 2022 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS FOURTH QUARTER AND FISCAL YEAR 2022 FINANCIAL RESULTS •Delivered strong Q4 revenue and earnings in line with guidance •Produced record annual product revenue driven by memory interface chips, up 58% year over year •Generated record cash from operations of $230.4 million for full year 2022 SAN JOSE, Calif. - February 6, 2023 - Rambus Inc. (NASDAQ:RMBS), a pr

November 4, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 000-22339 RAMBU

October 31, 2022 EX-99.1

RAMBUS REPORTS THIRD QUARTER 2022 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS THIRD QUARTER 2022 FINANCIAL RESULTS ?Exceeded guidance for Q3 revenue and earnings ?Delivered record quarterly product revenue driven by memory interface chips ?Generated $80 million in cash from operations ?Initiated $100 million accelerated share repurchase program SAN JOSE, Calif. ? October 31, 2022? Rambus Inc. (NASDAQ:RMBS), a provider of industry-lea

October 31, 2022 EX-99.1

Rambus and Samsung Electronics Extend Comprehensive Agreement

Exhibit 99.1 Rambus and Samsung Electronics Extend Comprehensive Agreement Ten-year agreement enables deep collaboration on products and broad access to Rambus innovations SAN JOSE, Calif. ? Oct. 31, 2022 ? Rambus Inc. (NASDAQ: RMBS), a premier chip and silicon IP provider making data faster and safer, today announced it has extended its comprehensive patent license agreement with Samsung Electron

October 31, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 27, 2022 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number

October 31, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 31, 2022 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Numbe

September 12, 2022 EX-10.1

Form of Accelerated Share Repurchase Program Agreement.

Exhibit 10.1 [] [] Facsimile: [] Telephone: [] c/o [] as Agent for [] [] [] Telephone: [] September [9], 2022 To: Rambus Inc. 4453 North First Street, Suite 100 San Jose, California 95134 Attention: Desmond Lynch, Senior Vice President, Finance and Chief Financial Officer Telephone No.: (408) 462-8000 Facsimile No.: (408) 462-8001 Re: Master Confirmation?Uncollared Accelerated Share Repurchase Thi

September 12, 2022 EX-99.1

Rambus Initiates Accelerated Share Repurchase Program

Exhibit 99.1 Rambus Initiates Accelerated Share Repurchase Program September 12, 2022 9:00 AM Eastern Daylight Time SAN JOSE, Calif. ?(BUSINESS WIRE)? Rambus Inc. (NASDAQ: RMBS), a provider of industry-leading chips and silicon IP making data faster and safer, today announced that it initiated an accelerated share repurchase program with Wells Fargo Bank, National Association (?Wells Fargo Bank?),

September 12, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) September 9, 2022 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Numbe

August 11, 2022 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 11, 2022 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

August 5, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 000-22339 RAMBUS INC

August 1, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 1, 2022 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

August 1, 2022 EX-99.1

RAMBUS REPORTS SECOND QUARTER 2022 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS SECOND QUARTER 2022 FINANCIAL RESULTS ?Delivered Q2 revenue and earnings at the high end of guidance ?Achieved record quarterly product revenue driven by memory interface chips ?Expanded DDR5 portfolio with introduction of companion chips for server and client memory modules ?Generated $56.5 million in cash from operations SAN JOSE, Calif. ? August 1, 2022?

August 1, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 1, 2022 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

August 1, 2022 EX-99.1

Rambus Appoints Desmond Lynch as Chief Financial Officer

Exhibit 99.1 PRESS RELEASE Rambus Appoints Desmond Lynch as Chief Financial Officer Mr. Lynch brings over 20 years of finance and semiconductor experience SAN JOSE, Calif. ? August 1, 2022 ? Rambus Inc. (NASDAQ: RMBS), a provider of industry-leading chips and silicon IP making data faster and safer, today announced it has appointed Mr. Desmond Lynch to the position of senior vice president, financ

May 31, 2022 EX-1.01

Rambus Inc. Conflict Minerals Report for the reporting period January 1, 2021 to December 31, 2021.

EX-1.01 2 d486821dex101.htm EX-1.01 Exhibit 1.01 Rambus Inc. Conflict Minerals Report For the Reporting Period from January 1, 2021 to December 31, 2022 Introduction This Conflict Minerals Report (this “Report”) of Rambus Inc. (“we,” “Rambus” or the “Company”) for the reporting period January 1, 2021 to December 31, 2021 (the “Reporting Period”) has been prepared in accordance with the requirement

May 31, 2022 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporati

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (I. R. S. Employer Identification No.) 4453 North First Street, Suite 100 San Jose, California 95134 (Address of principa

May 27, 2022 CORRESP

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May 27, 2022 Heather Clark and Claire Erlanger Division of Corporation Finance United States Securities and Exchange Commission 100 F Street, N.

May 10, 2022 CORRESP

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May 10, 2022 Heather Clark and Claire Erlanger Division of Corporation Finance United States Securities and Exchange Commission 100 F Street, N.

May 6, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 0

May 5, 2022 EX-99.1

Rambus to Acquire Hardent, Accelerating Roadmap for Next-Generation Data Center Solutions Augments world-class engineering team with deep SoC digital design expertise for Rambus CXL Memory Interconnect Initiative

Exhibit 99.1 Rambus to Acquire Hardent, Accelerating Roadmap for Next-Generation Data Center Solutions Augments world-class engineering team with deep SoC digital design expertise for Rambus CXL Memory Interconnect Initiative SAN JOSE, Calif. ? May 5, 2022 ? Rambus Inc. (NASDAQ: RMBS), a provider of industry-leading chips and silicon IP making data faster and safer, today announced it has signed a

May 5, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 5, 2022 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (I.

May 4, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 28, 2022 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

May 4, 2022 EX-99.1

Steven Laub Joins Rambus Board of Directors

EX-99.1 2 d228741dex991.htm EX-99.1 Exhibit 99.1 Steven Laub Joins Rambus Board of Directors SAN JOSE, Calif. — May 4, 2022 — Rambus Inc. (NASDAQ: RMBS), a premier chip and silicon IP provider making data faster and safer, today announced the appointment of Steven Laub to its Board of Directors. Mr. Laub is an accomplished executive with over 25 years of semiconductor industry leadership experienc

May 2, 2022 EX-99.1

RAMBUS REPORTS FIRST QUARTER 2022 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS FIRST QUARTER 2022 FINANCIAL RESULTS ?Exceeded Q1 guidance for revenue ?Delivered record quarterly product revenue of $48.0 million driven by memory interface chips ?Strengthened balance sheet by retiring debt and generating $42.6 million in cash from operations SAN JOSE, Calif. ? May 2, 2022? Rambus Inc. (NASDAQ:RMBS), a provider of industry-leading chips

May 2, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 2, 2022 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (I

March 11, 2022 EX-99.1

Rambus Announces James Mitarotonda to Become Board Advisor

Exhibit 99.1 Rambus Announces James Mitarotonda to Become Board Advisor SAN JOSE, Calif., March 11, 2022 ?Rambus Inc. (NASDAQ: RMBS), a provider of industry-leading chips and silicon IP making data faster and safer, today announced that James Mitarotonda will not seek re-election to the Company?s Board of Directors and will step down following the Company?s 2022 annual meeting of the stockholders.

March 11, 2022 EX-10.1

Letter agreement dated as of March 11, 2022, among Rambus Inc., Barington Companies Equity Partners, L.P. and certain other parties.

Exhibit 10.1 Rambus Inc. 4453 North First Street, Suite 100 San Jose, CA 94089 March 11, 2022 Barington Companies Equity Partners, L.P. 888 Seventh Avenue, 6th Floor New York, NY 10019 Attn: James A. Mitarotonda Ladies and Gentlemen: This letter amends the letter agreement, dated March 12, 2021 (the ?Agreement?), between (a) Rambus Inc., a Delaware corporation (?Company?), and (b) Barington Compan

March 11, 2022 EX-10.2

Director Transition and Consulting Agreement dated March 11, 2022, by and between Rambus Inc. and James Mitarotonda.

Exhibit 10.2 RAMBUS INC. DIRECTOR TRANSITION AND CONSULTING AGREEMENT This Director Transition and Consulting Agreement (this ?Agreement?) is entered into on March 11, 2022, by and between Rambus Inc., a Delaware corporation (the ?Company?) and Barington Companies Equity Partners, L.P. (?Barington Equity?) and Barington Capital Group, L.P. (?Barington Capital? and, together with Barington Equity,

March 11, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 11, 2022 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

March 11, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Defi

March 11, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

DEFA14A 1 d269957ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule

March 3, 2022 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 2, 2022 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (

February 28, 2022 EX-3.1

Amended and Restated Certificate of Incorporation of Registrant filed May 29, 1997.

Exhibit 3.1 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF RAMBUS INC. Rambus Inc., a corporation organized and existing under the laws of the State of Delaware, hereby certifies as follows: A. The name of the Corporation is Rambus Inc. The Corporation was originally incorporated under the same name and the original Certificate of Incorporation of the Corporation was filed with the Delaware

February 28, 2022 EX-3.2

Certificate of Amendment of Amended and Restated Certificate of Incorporation of Registrant filed June 14, 2000.

Exhibit 3.2 CERTIFICATE OF AMENDMENT OF AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF RAMBUS INC. It is hereby certified that: 1. The name of the corporation (hereinafter called the ?Corporation?) is Rambus Inc. 2. The Amended and Restated Certificate of Incorporation of the Corporation as filed on May 29, 1997 (the ?Certificate of Incorporation?) is hereby amended by deleting in its entire

February 28, 2022 EX-21.1

Subsidiaries of Registrant.

Exhibit 21.1 SUBSIDIARIES OF REGISTRANT Rambus Canada Inc. Rambus Controllers, Inc. Rambus Delaware LLC Rambus International Ltd. Rambus K.K. (Japan) Rambus Ltd. (Grand Cayman Islands, BWI) Rambus Chip Technologies (India) Private Limited Rambus Korea, Inc. (South Korea) Rambus France SAS Rambus Global Inc. Rambus Information Technology Consulting (Shanghai) Co. Ltd. Rambus UK Ltd. Rambus ROTW Hol

February 28, 2022 EX-4.3

Description of Securities.

Exhibit 4.3 DESCRIPTION OF SECURITIES References to ?Rambus? and the ?Company? herein are, unless the context otherwise indicates, only to Rambus Inc. and not to any of its subsidiaries. Description of Capital Stock The following is a summary of the Company?s capital stock and certain provisions of its Amended and Restated Certificate of Incorporation (the ?Certificate?) and Amended and Restated B

February 28, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 Or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 000-22

February 10, 2022 SC 13G/A

RMBS / Rambus Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 11)* Name of issuer: Rambus Inc. Title of Class of Securities: Common Stock CUSIP Number: 750917106 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ??Rule 1

February 7, 2022 EX-99.1

RAMBUS REPORTS FOURTH QUARTER AND FISCAL YEAR 2021 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS FOURTH QUARTER AND FISCAL YEAR 2021 FINANCIAL RESULTS ?Achieved excellent Q4 results, exceeding guidance for revenue and profitability ?Produced record annual product revenue of $143.9 million driven by memory interface chips, up 26% year over year ?Generated record cash from operations of $209.2 million for full year 2021, with $72.2 million generated in Q

February 7, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) FEBRUARY 7, 2022 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number

November 5, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Numbe

November 1, 2021 EX-99.1

RAMBUS REPORTS THIRD QUARTER 2021 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS THIRD QUARTER 2021 FINANCIAL RESULTS ?Delivered Q3 revenue and profitability in line with guidance ?Generated $46.0 million in cash provided by operating activities ?Delivered record product revenue of $36.7 million, consisting mainly of memory interface chips ?Closed the acquisitions of AnalogX and PLDA, bolstering Silicon IP business and CXL Memory Interc

November 1, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 1, 2021 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number

October 13, 2021 EX-10.1

Employment Agreement for Interim Vice President, Finance and Chief Financial Officer between the Company and Keith Jones, dated as of October 12, 2021.

Exhibit 10.1 RAMBUS INC. EMPLOYMENT AGREEMENT This Employment Agreement (the ?Agreement?) is made and entered into by and between Keith Jones (?Executive?) and Rambus Inc., a Delaware corporation (the ?Company?), effective as of November 15, 2021 (the ?Effective Date?). 1. Duties and Scope of Employment. (a) Positions and Duties. Commencing on the date that the employment of the Company?s then-cur

October 13, 2021 EX-99.1

Rambus Announces Departure of Chief Financial Officer Affirms guidance for third quarter fiscal year 2021

Exhibit 99.1 Rambus Announces Departure of Chief Financial Officer Affirms guidance for third quarter fiscal year 2021 SAN JOSE, Calif. ? October 13, 2021 - Rambus Inc. (NASDAQ: RMBS) a provider of industry-leading chips and silicon IP making data faster and safer, today announced that Rahul Mathur, senior vice president and chief financial officer (CFO), will resign from Rambus effective November

October 13, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 8, 2021 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

August 6, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 00

August 2, 2021 EX-99.1

RAMBUS REPORTS SECOND QUARTER 2021 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS SECOND QUARTER 2021 FINANCIAL RESULTS ?Exceeded Q2 guidance for revenue and profitability ?Generated $51.6 million in cash provided by operating activities ?Initiated $100 million accelerated share repurchase program ?Accelerated data center solution roadmap with CXL Memory Interconnect Initiative ?Announced the acquisitions of AnalogX and PLDA SAN JOSE, Ca

August 2, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 2, 2021 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

June 16, 2021 EX-99.2

Rambus to Acquire AnalogX, Accelerating Next-Generation Data Center Interface Solutions

Exhibit 99.2 PRESS RELEASE Rambus to Acquire AnalogX, Accelerating Next-Generation Data Center Interface Solutions ? Extends leadership in PCIe? 5.0 and 32G Multi-protocol SerDes with ultra-low power interface IP ? Accelerates time to market and enhances the Rambus roadmap for PAM4-based PCIe 6.0 and CXL? 3.0 solutions for data center, artificial intelligence and machine learning (AI/ML), 5G and H

June 16, 2021 EX-99.1

Rambus Initiates Accelerated Share Repurchase Program

Exhibit 99.1 News Release Rambus Initiates Accelerated Share Repurchase Program SAN JOSE, Calif., June 16, 2021 /PRNewswire/ - Rambus Inc. (NASDAQ: RMBS), a provider of industry-leading chips and silicon IP making data faster and safer, today announced that it initiated an accelerated share repurchase program with Deutsche Bank AG, London Branch as counterparty, through its agent Deutsche Bank Sec

June 16, 2021 EX-10.1

Master Confirmation between Deutsche Bank AG, London Branch, through its agent Deutsche Bank Securities Inc. (“Dealer”) and Rambus Inc., dated June 15, 2021.

Exhibit 10.1 Deutsche Bank Deutsche Bank AG, London Branch Winchester house 1 Great Winchester St, London EC2N 2DB Telephone: 44 20 7545 8000 c/o Deutsche Bank Securities Inc. 60 Wall Street New York, NY 10005 Telephone: 212-250-2500 Internal Reference: [ ] June 15, 2021 To: Rambus, Inc. 4453 North First Street, Suite 100 San Jose, California 95134 Attention: Vice President of Finance Telephone No

June 16, 2021 8-K

Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 15, 2021 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (

June 16, 2021 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 15, 2021 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (

June 16, 2021 EX-99.1

Rambus to Acquire PLDA, Extending Leadership with Cutting-Edge CXL™ and PCI Express® Digital IP

Exhibit 99.1 PRESS RELEASE Rambus to Acquire PLDA, Extending Leadership with Cutting-Edge CXL? and PCI Express? Digital IP ? Expands digital controller IP portfolio with complementary CXL 2.0, PCIe? 5.0 and PCIe 6.0 controller and switch IP ? Enables integrated interface subsystem solutions for data center, artificial intelligence and machine learning (AI/ML), and High Performance Computing (HPC)

June 1, 2021 EX-1.01

Rambus Inc. Conflict Minerals Report For the Reporting Period from January 1, 2020 to December 31, 2020

Exhibit 1.01 Rambus Inc. Conflict Minerals Report For the Reporting Period from January 1, 2020 to December 31, 2020 Introduction This Conflict Minerals Report (this ?Report?) of Rambus Inc. (?we,? ?Rambus? or the ?Company?) for the reporting period January 1, 2020 to December 31, 2020 (the ?Reporting Period?) has been prepared in accordance with the requirements of Rule 13p-1 (the ?Rule?) and For

June 1, 2021 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporati

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (I. R. S. Employer Identification No.) 4453 North First Street, Suite 100 San Jose, California 95134 (Address of principa

May 7, 2021 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 0

May 7, 2021 EX-10.1

Form of Indemnification Agreement entered into by Registrant with each of its directors and executive officers.

Exhibit 10.1 RAMBUS INC. INDEMNIFICATION AGREEMENT This Indemnification Agreement (this ?Agreement?) is dated as of [insert date], and is between Rambus Inc., a Delaware corporation (the ?Company?), and [insert name of indemnitee] (?Indemnitee?). RECITALS Indemnitee?s service to the Company substantially benefits the Company. B. Individuals are reluctant to serve as directors or officers of corpor

May 4, 2021 EX-99.1

Karen Rogge Joins Rambus Board of Directors

Exhibit 99.1 Karen Rogge Joins Rambus Board of Directors SAN JOSE, Calif. ? May 4, 2021 ? Rambus Inc. (NASDAQ: RMBS), a provider of industry-leading chips and silicon IP making data faster and safer, today announced the addition of Karen Rogge to its Board of Directors. Ms. Rogge is a proven executive with extensive finance and operations management experience at leading public technology companie

May 4, 2021 8-K

Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 29, 2021 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

May 3, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 3, 2021 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (I.

May 3, 2021 EX-99.1

RAMBUS REPORTS FIRST QUARTER 2021 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS FIRST QUARTER 2021 FINANCIAL RESULTS ?Delivered strong Q1 results at high end of revenue and profitability targets ?Product revenue of $30.8 million, up 41% quarter over quarter, consisting primarily of memory interface chips ?Generated $39.5 million in cash provided by operating activities SAN JOSE, Calif. - May 3, 2021 - Rambus Inc. (NASDAQ:RMBS), a provi

March 29, 2021 EX-10.11

Settlement Agreement, dated January 19, 2010, among Registrant, Samsung Electronics Co., Ltd, Samsung Electronics America, Inc., Samsung Semiconductor, Inc. and Samsung Austin Semiconductor, L.P.

Exhibit 10.11 Conformed Copy CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SETTLEMENT AGREEMENT THIS SETTLEMENT AGREEMENT (the ?Agreement?) is made by and among Rambus Inc., a Delaware corporation (?Rambus?), on the

March 29, 2021 EX-10.12

Semiconductor Patent License Agreement, dated January 19, 2010, between Registrant and Samsung Electronics Co., Ltd.

Exhibit 10.12 Conformed Copy CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. Semiconductor Patent License Agreement Between Rambus Inc. and Samsung Electronics Co., Ltd. SEMICONDUCTOR PATENT LICENSE AGREEMENT This SEM

March 29, 2021 EX-10.17

Semiconductor Patent License Agreement, dated June 11, 2013, between Registrant and SK hynix.

Exhibit 10.17 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SEMICONDUCTOR PATENT LICENSE AGREEMENT This SEMICONDUCTOR PATENT LICENSE AGREEMENT (?Agreement?) is effective as of July 1, 2013 (the ?Effective Date?) by

March 29, 2021 EX-10.18

Settlement Agreement, dated December 9, 2013, between Rambus Inc., Micron Technology, Inc., and certain Micron affiliates.

Exhibit 10.18 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SETTLEMENT AGREEMENT THIS SETTLEMENT AGREEMENT (the ?Agreement?) is made and entered into as of the 9th day of December, 2013 (the ?Effective Date?) by and

March 29, 2021 EX-10.16

Settlement Agreement, dated June 11, 2013, among Registrant, SK hynix and certain SK hynix affiliates.

Exhibit 10.16 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SETTLEMENT AGREEMENT THIS SETTLEMENT AGREEMENT (the ?Agreement?) is made and entered into as of the July 1, 2013 by and among Rambus Inc., a Delaware corpo

March 29, 2021 10-K/A

Annual Report - 10-K/A

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K/A (Amendment No. 1) (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 Or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission

March 29, 2021 EX-21.1

Subsidiaries of Registrant.

Exhibit 21.1 SUBSIDIARIES OF REGISTRANT Rambus Canada Inc. Rambus Controllers, Inc. Rambus Delaware LLC Rambus International Ltd. Rambus K.K. (Japan) Rambus Ltd. (Grand Cayman Islands, BWI) Rambus Chip Technologies (India) Private Limited Rambus Korea, Inc. (Korea) Rambus France SAS Rambus Global Inc. Rambus Information Technology Consulting (Shanghai) Co. Ltd. Rambus UK Ltd. Rambus ROTW Holding B

March 29, 2021 DEF 14A

- DEF 14A

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defi

March 29, 2021 EX-10.35

Amendment No. 2 dated December 15, 2020, to the Semiconductor Patent License Agreement between Rambus Inc. and Micron Technology, Inc.

Exhibit 10.35 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. AMENDMENT NUMBER 2 TO SEMICONDUCTOR PATENT LICENSE AGREEMENT This Amendment Number 2 (?Amendment 2?) amends that certain Semiconductor Patent License Agree

March 29, 2021 EX-10.19

Semiconductor Patent License Agreement, dated December 9, 2013, between Rambus, Inc. and Micron Technology, Inc.

Exhibit 10.19 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SEMICONDUCTOR PATENT LICENSE AGREEMENT This SEMICONDUCTOR PATENT LICENSE AGREEMENT (?Agreement?) is effective as of December 1, 2013 (?Effective Date?) by

March 16, 2021 8-K

Non-Reliance on Previously Issued Financial Statements or a Related Audit Report or Completed Interim Review

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 15, 2021 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

March 16, 2021 EX-10.1

Letter agreement dated as of March 12, 2021, among Rambus Inc. and Barington Companies Equity Partners, L.P. and certain other parties

Exhibit 10.1 Rambus Inc. 4453 North First Street, Suite 100 San Jose, CA 94089 March 12, 2021 Barington Companies Equity Partners, L.P. 888 Seventh Avenue, 6th Floor New York, NY 10019 Attn: James A. Mitarotonda Ladies and Gentlemen: This letter (this ?Agreement?) constitutes the agreement between (a) Rambus Inc., a Delaware corporation (?Company?), and (b) Barington Companies Equity Partners, L.P

March 16, 2021 EX-99.1

James Mitarotonda Joins Rambus Board of Directors

EX-99.1 Exhibit 99.1 James Mitarotonda Joins Rambus Board of Directors SAN JOSE, Calif., March 16, 2021 —Rambus Inc. (NASDAQ: RMBS), a provider of industry-leading chips and silicon IP making data faster and safer, today announced that James Mitarotonda joined its Board of Directors as a Class I director with a term expiring at Rambus’ 2022 annual meeting of stockholders. Mr. Mitarotonda currently

March 16, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 12, 2021 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

February 26, 2021 EX-10.11

Settlement Agreement, dated January 19, 2010, among Registrant, Samsung Electronics Co., Ltd, Samsung Electronics America, Inc., Samsung Semiconductor, Inc. and Samsung Austin Semiconductor, L.P.

Exhibit 10.11 Conformed Copy CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SETTLEMENT AGREEMENT THIS SETTLEMENT AGREEMENT (the ?Agreement?) is made by and among Rambus Inc., a Delaware corporation (?Rambus?), on the

February 26, 2021 EX-10.16

Settlement Agreement, dated June 11, 2013, among Registrant, SK hynix and certain SK hynix affiliates.

Exhibit 10.16 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SETTLEMENT AGREEMENT THIS SETTLEMENT AGREEMENT (the ?Agreement?) is made and entered into as of the July 1, 2013 by and among Rambus Inc., a Delaware corpo

February 26, 2021 EX-21.1

Subsidiaries of Registrant.

Exhibit 21.1 SUBSIDIARIES OF REGISTRANT Rambus Canada Inc. Rambus Controllers, Inc. Rambus Delaware LLC Rambus International Ltd. Rambus K.K. (Japan) Rambus Ltd. (Grand Cayman Islands, BWI) Rambus Chip Technologies (India) Private Limited Rambus Korea, Inc. (Korea) Rambus France SAS Rambus Global Inc. Rambus Information Technology Consulting (Shanghai) Co. Ltd. Rambus UK Ltd. Rambus ROTW Holding B

February 26, 2021 EX-10.19

Semiconductor Patent License Agreement, dated December 9, 2013, between Rambus, Inc. and Micron Technology, Inc.

Exhibit 10.19 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SEMICONDUCTOR PATENT LICENSE AGREEMENT This SEMICONDUCTOR PATENT LICENSE AGREEMENT (?Agreement?) is effective as of December 1, 2013 (?Effective Date?) by

February 26, 2021 10-K

Annual Report - 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 Or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 000-22

February 26, 2021 EX-10.35

Amendment No. 2 dated December 15, 2020, to the Semiconductor Patent License Agreement between Rambus Inc. and Micron Technology, Inc.

Exhibit 10.35 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. AMENDMENT NUMBER 2 TO SEMICONDUCTOR PATENT LICENSE AGREEMENT This Amendment Number 2 (?Amendment 2?) amends that certain Semiconductor Patent License Agree

February 26, 2021 EX-10.17

Semiconductor Patent License Agreement, dated June 11, 2013, between Registrant and SK hynix.

Exhibit 10.17 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SEMICONDUCTOR PATENT LICENSE AGREEMENT This SEMICONDUCTOR PATENT LICENSE AGREEMENT (?Agreement?) is effective as of July 1, 2013 (the ?Effective Date?) by

February 26, 2021 EX-10.12

Semiconductor Patent License Agreement, dated January 19, 2010, between Registrant and Samsung Electronics Co., Ltd.

Exhibit 10.12 Conformed Copy CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. Semiconductor Patent License Agreement Between Rambus Inc. and Samsung Electronics Co., Ltd. SEMICONDUCTOR PATENT LICENSE AGREEMENT This SEM

February 26, 2021 EX-10.18

Settlement Agreement, dated December 9, 2013, between Rambus Inc., Micron Technology, Inc., and certain Micron affiliates.

Exhibit 10.18 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SETTLEMENT AGREEMENT THIS SETTLEMENT AGREEMENT (the ?Agreement?) is made and entered into as of the 9th day of December, 2013 (the ?Effective Date?) by and

February 16, 2021 SC 13G/A

SCHEDULE 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2 )* Rambus Inc (Name of Issuer) Common Stock (Title of Class of Securities) 750917106 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is

February 10, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 10)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 10)* Name of issuer: Rambus Inc. Title of Class of Securities: Common Stock CUSIP Number: 750917106 Date of Event Which Requires Filing of this Statement: December 31, 2020 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule 1

February 8, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 5, 2021 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number

February 1, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 1, 2021 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number

February 1, 2021 EX-99.1

RAMBUS REPORTS FOURTH QUARTER AND FISCAL YEAR 2020 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS FOURTH QUARTER AND FISCAL YEAR 2020 FINANCIAL RESULTS •Delivered strong Q4 results, in line with revenue and exceeding profitability expectations •Beat 2020 guidance for annual revenue and earnings •Generated $185.5 million in cash provided by operating activities for the full year, up 44% year over year •Record annual product revenue of $114.0 million driv

November 12, 2020 EX-99.1

Rambus Initiates Accelerated Share Repurchase Program

EX-99.1 Exhibit 99.1 News Release Rambus Initiates Accelerated Share Repurchase Program SAN JOSE, Calif. - November 12, 2020 - Rambus Inc. (NASDAQ: RMBS), a premier silicon IP and chip provider making data faster and safer, today announced it has initiated an accelerated share repurchase program with Deutsche Bank AG, London Branch as counterparty, through its agent Deutsche Bank Securities Inc. (

November 12, 2020 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 11, 2020 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Numbe

November 12, 2020 EX-10.1

Master Confirmation between Deutsche Bank AG, London Branch as counterparty, through its agent Deutsche Bank Securities Inc. (“Deutsche Bank”) and Rambus Inc., dated November 11, 2020.

EX-10.1 Exhibit 10.1 Deutsche Bank Deutsche Bank AG, London Branch Winchester house 1 Great Winchester St, London EC2N 2DB Telephone: 44 20 7545 8000 c/o Deutsche Bank Securities Inc. 60 Wall Street New York, NY 10005 Telephone: 212-250-2500 Internal Reference: [ ] November 11, 2020 To: Rambus, Inc. 4453 North First Street, Suite 100 San Jose, California 95134 Attention: Vice President of Finance

November 6, 2020 EX-10.1

Amendment No. 1 to Semiconductor Patent License Agreement, dated September 2, 2020, between Rambus, Inc. and Micron Technology, Inc.

Exhibit 10.1 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. AMENDMENT NUMBER 1 TO SEMICONDUCTOR PATENT LICENSE AGREEMENT This Amendment Number 1 (“Amendment 1”) amends that certain Semiconductor Patent License Agreem

November 6, 2020 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Numbe

November 2, 2020 EX-99.2

Rambus Announces New Stock Repurchase Program Board of directors authorizes repurchase of up to 20 million shares

News Release Rambus Announces New Stock Repurchase Program Board of directors authorizes repurchase of up to 20 million shares SAN JOSE, Calif.

November 2, 2020 EX-99.1

RAMBUS REPORTS THIRD QUARTER 2020 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS THIRD QUARTER 2020 FINANCIAL RESULTS •Strong quarter, delivering on revenue, exceeding expectations for profit and generating $44.1 million in cash provided by operating activities •Memory interface chip quarterly revenue up 39% year over year; on track for over 50% full-year growth •Micron DRAM license extended for an additional 4 years •New stock repurcha

November 2, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 2, 2020 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number

September 3, 2020 EX-99.1

Rambus and Micron Extend Patent License Agreement

EX-99.1 Exhibit 99.1 Rambus and Micron Extend Patent License Agreement SAN JOSE, Calif. – Sept 3, 2020 – Rambus Inc. (Nasdaq: RMBS), a premier silicon IP and chip provider making data faster and safer, today announced it has extended its patent license agreement with Micron for an additional four years. The extension maintains the existing financial terms of the agreement and provides Micron with

September 3, 2020 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) September 2, 2020 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Numbe

August 7, 2020 EX-10.1

First Amendment to Net Lease Agreement dated April 22, 2020 relating to the New San Jose Headquarters Location between Rambus Inc. and 237 North First Street Holdings, LLC.

Exhibit 10.1 FIRST AMENDMENT TO NET LEASE AGREEMENT This First Amendment to Net Lease Agreement (“First Amendment”) is made as of April 1, 2020, by and between 237 NORTH FIRST STREET HOLDINGS, LLC, a Delaware limited liability company (“Landlord”), and RAMBUS INC., a Delaware corporation (“Tenant”). RECITALS A. Landlord and Tenant are parties to that certain Lease Agreement dated, for reference pu

August 7, 2020 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 00

August 3, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 3, 2020 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

August 3, 2020 EX-99.1

RAMBUS REPORTS SECOND QUARTER 2020 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS SECOND QUARTER 2020 FINANCIAL RESULTS •Excellent quarter, at the high end of expectations for revenue and profit •$62.0 million in cash provided by operating activities, the highest quarterly cash generation in over 10 years •Fifth consecutive quarter of record revenue from memory interface chips driven by strong demand in data center SAN JOSE, Calif. - Aug

July 31, 2020 EX-99.1

Greg Lang Joins Rambus Board of Directors Proven technology executive brings 30 years of semiconductor industry leadership experience

EX-99.1 Exhibit 99.1 PRESS RELEASE Greg Lang Joins Rambus Board of Directors Proven technology executive brings 30 years of semiconductor industry leadership experience SUNNYVALE, Calif. — Jul. 30, 2020 — Rambus Inc. (NASDAQ: RMBS), a premier silicon IP and chip provider dedicated to delivering data faster and safer, today announced the appointment of Greg Lang to its Board of Directors, effective

July 31, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 30, 2020 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

June 1, 2020 EX-1.01

Rambus Inc. Conflict Minerals Report For the Reporting Period from January 1, 2019 to December 31, 2019

EX-1.01 Exhibit 1.01 Rambus Inc. Conflict Minerals Report For the Reporting Period from January 1, 2019 to December 31, 2019 Introduction This Conflict Minerals Report (this “Report”) of Rambus Inc. (“we,” “Rambus” or the “Company”) for the reporting period January 1, 2019 to December 31, 2019 (the “Reporting Period”) has been prepared in accordance with the requirements of Rule 13p-1 (the “Rule”)

June 1, 2020 SD

- FORM SD

Form SD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (I. R. S. Employer Identification No.) 1050 Enterprise Way, Suite 700, Sunnyvale, California 94089 (Address of pr

May 29, 2020 S-8

- S-8

S-8 As filed with the Securities and Exchange Commission on May 29, 2020 Registration No.

May 8, 2020 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 0

May 6, 2020 EX-10.1

2015 Equity Incentive Plan, as amended.

EX-10.1 Exhibit 10.1 RAMBUS INC. 2015 EQUITY INCENTIVE PLAN (as amended April 30, 2020) 1. Purposes of the Plan. The purposes of this Plan are: • to attract and retain the best available personnel for positions of substantial responsibility, • to provide incentives to individuals who perform services to the Company, and • to promote the success of the Company’s business. The Plan permits the grant

May 6, 2020 EX-10.2

2015 Employee Stock Purchase Plan, as amended.

EX-10.2 Exhibit 10.2 RAMBUS INC. 2015 EMPLOYEE STOCK PURCHASE PLAN (as amended April 30, 2020) The following constitutes the provisions of the 2015 Employee Stock Purchase Plan of Rambus Inc. 1. Purpose. The purpose of the Plan is to provide Employees with an opportunity to purchase Common Stock through accumulated Contributions (as defined in Section 2(i) below). It is the intention of the Compan

May 6, 2020 8-K

Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 30, 2020 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

May 4, 2020 EX-99.1

RAMBUS REPORTS FIRST QUARTER 2020 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS FIRST QUARTER 2020 FINANCIAL RESULTS • Excellent quarter, exceeding expectations for revenue and profit: GAAP revenue of $64.0 million; licensing billings of $67.1 million, product revenue of $30.7 million, and contract and other revenue of $13.6 million • $37.3 million in cash provided by operating activities, further strengthening the balance sheet • Reco

May 4, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 4, 2020 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (I.

March 13, 2020 DEFA14A

RMBS / Rambus, Inc. DEFA14A - - DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Pro

March 13, 2020 DEF 14A

RMBS / Rambus, Inc. DEF 14A - - DEF 14A

DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

February 26, 2020 EX-21.1

Subsidiaries of Registrant.

Exhibit 21.1 SUBSIDIARIES OF REGISTRANT Rambus Canada Inc. Rambus Controllers, Inc. Rambus Delaware LLC Rambus International Ltd. Rambus K.K. (Japan) Rambus Ltd. (Grand Cayman Islands, BWI) Rambus Chip Technologies (India) Private Limited Rambus Korea, Inc. (Korea) Rambus France SAS Rambus Global Inc. Rambus Technology Information (Shanghai) Consulting Co. Ltd. Rambus UK Ltd. Rambus ROTW Holding B

February 26, 2020 10-K

Annual Report - 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (Mark One) ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 000-22

February 26, 2020 EX-4.4

Description of Securities.

Exhibit 4.4 DESCRIPTION OF SECURITIES References to “Rambus” and the “Company” herein are, unless the context otherwise indicates, only to Rambus Inc. and not to any of its subsidiaries. Description of Capital Stock The following is a summary of the Company’s capital stock and certain provisions of its Amended and Restated Certificate of Incorporation (the “Certificate”) and Amended and Restated B

February 14, 2020 SC 13G/A

RMBS / Rambus, Inc. / WADDELL & REED FINANCIAL INC - RAMBUS INC. Passive Investment

Rambus Inc. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 Amendment No. 7* Rambus Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 750917106 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this S

February 14, 2020 EX-99.3

POWER OF ATTORNEY

Power of Attorney EXHIBIT 3 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, THAT: The undersigned, Waddell & Reed Financial, Inc.

February 14, 2020 EX-99.1

JOINT FILING AGREEMENT

Joint Filing Agreement EXHIBIT 1 JOINT FILING AGREEMENT Waddell & Reed Financial, Inc.

February 14, 2020 EX-99.2

EXHIBIT 2

Identification and Classification of the Subsidiary Which Acquired the Security EXHIBIT 2 Ivy Investment Management Company - Tax ID No. 03-0481447 Investment Advisor registered under Section 203 of the Investment Advisors Act of 1940

February 12, 2020 SC 13G/A

RMBS / Rambus, Inc. / DIMENSIONAL FUND ADVISORS LP - SCHEDULE 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* RAMBUS INC (Name of Issuer) Common Stock (Title of Class of Securities) 750917106 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is

February 12, 2020 SC 13G/A

RMBS / Rambus, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 9)* Name of issuer: Rambus Inc Title of Class of Securities: Common Stock CUSIP Number: 750917106 Date of Event Which Requires Filing of this Statement: December 31, 2019 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule 13d

January 27, 2020 EX-99.1

RAMBUS REPORTS FOURTH QUARTER AND FISCAL YEAR 2019 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS FOURTH QUARTER AND FISCAL YEAR 2019 FINANCIAL RESULTS • Excellent quarter, exceeding expectations; GAAP revenue of $59.9 million; with licensing billings of $63.8 million, product revenue of $26.6 million, and contract and other revenue of $13.9 million • Record Q4 and full-year revenue for both the Memory Interface Chips and Silicon IP businesses • $35.4 m

January 27, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 27, 2020 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number

December 9, 2019 EX-99.1

Rambus Completes Acquisition of the Verimatrix Silicon IP, Secure Protocols and Provisioning Business Creates industry’s most comprehensive portfolio of silicon-proven security IP

EX-99.1 Exhibit 99.1 PRESS RELEASE Rambus Completes Acquisition of the Verimatrix Silicon IP, Secure Protocols and Provisioning Business Creates industry’s most comprehensive portfolio of silicon-proven security IP SUNNYVALE, Calif. – Dec. 8, 2019 – Rambus Inc. (NASDAQ: RMBS), a premier silicon IP and chip provider making data faster and safer, today announced the completed acquisition of the sili

December 9, 2019 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 6, 2019 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Numbe

November 8, 2019 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Numbe

November 4, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 4, 2019 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number

November 4, 2019 EX-99.1

RAMBUS REPORTS THIRD QUARTER 2019 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS THIRD QUARTER 2019 FINANCIAL RESULTS • Great quarter, exceeding expectations; GAAP revenue of $57.4 million; licensing billings of $63.1 million, product revenue of $21.4 million, and contract and other revenue of $16.6 million • $25.6 million in cash provided by operating activities • Refocused business on semiconductor with completed sale of payments and

October 25, 2019 EX-99.1

Dr. Necip Sayiner Joins Rambus Board of Directors Industry leader brings extensive semiconductor leadership and engineering experience

EX-99.1 Exhibit 99.1 PRESS RELEASE Dr. Necip Sayiner Joins Rambus Board of Directors Industry leader brings extensive semiconductor leadership and engineering experience SUNNYVALE, Calif. — Oct. 25, 2019 — Rambus Inc. (NASDAQ: RMBS), a premier silicon IP and chip provider dedicated to delivering data faster and safer, today announced the appointment of Dr. Necip Sayiner to its Board of Directors,

October 25, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 24, 2019 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Numbe

October 22, 2019 8-K

Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 21, 2019 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Numbe

October 22, 2019 EX-99.1

Rambus Closes Sale of Payments and Ticketing Businesses to Visa Divestiture reinforces Rambus’ focus on core strength in semiconductor and accelerated growth in silicon IP and chips

EX-99.1 Exhibit 99.1 PRESS RELEASE Rambus Closes Sale of Payments and Ticketing Businesses to Visa Divestiture reinforces Rambus’ focus on core strength in semiconductor and accelerated growth in silicon IP and chips SUNNYVALE, Calif. — Oct. 22, 2019 — Rambus (NASDAQ: RMBS), a premier silicon IP and chip provider dedicated to delivering data faster and safer, today announced the completion of the

September 11, 2019 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 11, 2019 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Num

September 11, 2019 EX-99.1

Rambus Signs Agreement to Acquire Silicon IP and Secure Protocols Business from Verimatrix

EX-99.1 Exhibit 99.1 PRESS RELEASE Rambus Signs Agreement to Acquire Silicon IP and Secure Protocols Business from Verimatrix SUNNYVALE, Calif. – Sep. 11, 2019 – Rambus Inc. (NASDAQ: RMBS), a premier silicon IP and chip provider making data faster and safer, today announced it has signed an asset purchase agreement to acquire the Silicon IP and Secure Protocols business of Verimatrix (Euronext Par

September 3, 2019 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 3, 2019 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Numb

September 3, 2019 EX-99.1

Rambus to Acquire Silicon IP and Secure Protocols Business from Verimatrix, Creating Global Authority in Semiconductor Security IP

EX-99.1 Exhibit 99.1 PRESS RELEASE Rambus to Acquire Silicon IP and Secure Protocols Business from Verimatrix, Creating Global Authority in Semiconductor Security IP Highlights: • Combined products and expertise to create industry’s most comprehensive portfolio of silicon-proven security IP and chip provisioning solutions • Augments mission-critical, hardware-based security solutions for data cent

August 29, 2019 S-8

RMBS / Rambus, Inc. S-8 - - S-8

S-8 As filed with the Securities and Exchange Commission on August 29, 2019 Registration No.

August 28, 2019 EX-10.1

Offer Letter, dated August 9, 2019, by and between Rambus Inc. and Sean Fan.

EX-10.1 Exhibit 10.1 Rambus Inc. 1050 Enterprise Way, Suite 700 Sunnyvale, CA 94089 408-462-8000 rambus.com August 9, 2019 Dear Sean: We are pleased to offer you a position with Rambus or one of its affiliates or subsidiaries (the “Company” or “Rambus”) as Chief Operating Officer. This letter will confirm the terms of your employment with the Company as follows: Your starting base salary will be U

August 28, 2019 EX-10.4

Form of Performance Based Restricted Stock Unit Agreement (2019 Inducement Equity Incentive Plan).

EX-10.4 Exhibit 10.4 RAMBUS INC. 2019 INDUCEMENT EQUITY INCENTIVE PLAN RESTRICTED STOCK UNIT AGREEMENT (PERFORMANCE-BASED) Unless otherwise defined herein, the terms defined in the 2019 Inducement Equity Incentive Plan (the “Plan”) will have the same defined meanings in this Restricted Stock Unit Agreement (Performance-Based) including Exhibit A, which includes the special provisions for Participa

August 28, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 26, 2019 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number

August 28, 2019 EX-10.3

Form of Restricted Stock Unit Agreement (2019 Inducement Equity Incentive Plan).

EX-10.3 Exhibit 10.3 RAMBUS INC. 2019 INDUCEMENT EQUITY INCENTIVE PLAN RESTRICTED STOCK UNIT AGREEMENT Unless otherwise defined herein, the terms defined in the 2019 Inducement Equity Incentive Plan (the “Plan”) will have the same defined meanings in this Restricted Stock Unit Agreement including Exhibit A, which includes the special provisions for Participant’s country of residence, if any (colle

August 28, 2019 EX-99.1

Sean Fan Joins Rambus as Chief Operating Officer Brings over 20 years of semiconductor operations expertise

EX-99.1 Exhibit 99.1 PRESS RELEASE Sean Fan Joins Rambus as Chief Operating Officer Brings over 20 years of semiconductor operations expertise SUNNYVALE, Calif. — Aug. 28, 2019 — (BUSINESS WIRE) — Rambus Inc. (NASDAQ: RMBS), a premier silicon IP and chip provider making data faster and safer, today announced that Sean Fan has joined the company as chief operating officer (COO). Fan has a 20-year t

August 28, 2019 EX-10.2

2019 Inducement Equity Incentive Plan.

EX-10.2 Exhibit 10.2 RAMBUS INC. 2019 INDUCEMENT EQUITY INCENTIVE PLAN 1. Purpose of the Plan. The purpose of this Plan is to attract and retain the best available personnel for positions of substantial responsibility by providing an inducement material to individuals’ entering into employment with the Company or any Parent or Subsidiary of the Company. The Plan permits the grant of Nonstatutory S

August 27, 2019 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 27, 2019 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number

August 27, 2019 EX-99.1

Rambus Completes Acquisition of Northwest Logic, Extending Leadership in Interface IP

EX-99.1 Exhibit 99.1 PRESS RELEASE Rambus Completes Acquisition of Northwest Logic, Extending Leadership in Interface IP Highlights: • Digital controller IP complements existing portfolio of high-speed interface PHYs • Expands solutions for automotive, data center, artificial intelligence (AI), machine learning (ML) and communications applications • Combined offerings, including HBM2, GDDR6, DDR4

August 13, 2019 EX-99.1

Meera Rao Joins Rambus Board of Directors Brings over 25 years of financial and semiconductor experience

EX-99.1 Exhibit 99.1 PRESS RELEASE Meera Rao Joins Rambus Board of Directors Brings over 25 years of financial and semiconductor experience SUNNYVALE, Calif. – Aug. 13, 2019 – Rambus Inc. (NASDAQ: RMBS), a premier silicon IP and chip provider making data faster and safer, today announced the appointment of Meera Rao to its Board of Directors, effective immediately. Ms. Rao is an experienced semico

August 13, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 12, 2019 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number

August 2, 2019 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 00

August 2, 2019 EX-10.1

Lease agreement between Rambus Inc. and 237 North First Street Holdings, LLC dated July 8, 2019.

Exhibit 10.1 LEASE AGREEMENT by and between RAMBUS INC., a Delaware corporation (“Tenant”) and 237 NORTH FIRST STREET HOLDINGS, LLC, a Delaware limited liability company (“Landlord”) -1- LEASE AGREEMENT For and in consideration of the rentals, covenants, and conditions hereinafter set forth, Landlord hereby leases to Tenant, and Tenant hereby rents from Landlord, the following described Premises f

August 2, 2019 EX-2.1

Share Purchase Agreement by and between Rambus Inc. and VISA International Service Association dated June 20, 2019.

Exhibit 2.1 DATED 21 JUNE 2019 RAMBUS INC. and VISA INTERNATIONAL SERVICE ASSOCIATION SHARE PURCHASE AGREEMENT relating to the sale and purchase of Shares in Smart Card Software Limited Slaughter and May One Bunhill Row London EC1Y 8YY (JAYP/AZXL) 560031197 CONTENTS Page 1. Interpretation 4 2. Sale and purchase 22 3. Consideration 22 4. Conditions 23 5. Pre-Completion Obligations 25 6. Completion

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