RHI / Robert Half Inc. - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Robert Half Inc.
US ˙ NYSE ˙ US7703231032

Mga Batayang Estadistika
LEI 529900VPCUY9H3HLIC08
CIK 315213
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 Robert Half 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.
August 5, 2025 10-Q

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

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 1-10427 ROBERT HALF INC. (Exact n

July 23, 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 23, 2025 Robert Half 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) July 23, 2025 Robert Half Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commission File Numbe

July 23, 2025 EX-99.1

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EX-99.1 2 rhiq22025ex991.htm EX-99.1 Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell President and Chief Executive Officer (650) 234-6000 ROBERT HALF REPORTS SECOND-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., July 23, 2025 — Robert Half Inc. (NYSE symbol: RHI) today reported revenues and earnings for the second quarter ended June 30, 2025. For the three months ended June 30, 2025, n

May 29, 2025 EX-10.1

Credit Agreement, dated as of May 28, 2025, between the Company and Bank of America, N.A.

EXECUTION VERSION 14102835v4 CREDIT AGREEMENT Dated as of May 28, 2025 among ROBERT HALF INC.

May 29, 2025 8-K

Entry into a Material Definitive Agreement, Termination of 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) May 28, 2025 Robert Half Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commission File Number

May 29, 2025 EX-10.2

Guaranty, dated May 28, 2025, by Protiviti Inc., RH-TM Resources, Inc., and Protiviti Government Service, Inc. in favor of Bank of America, N.A., as administrative agent.

Execution Version 1 GUARANTY THIS GUARANTY (as the same may be amended, restated, supplemented or otherwise modified from time to time, this “Guaranty”) is made as of May 28, 2025 by and among each of the Subsidiaries of Robert Half Inc.

May 15, 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) May 14, 2025 Robert Half Inc. (Exa

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 14, 2025 Robert Half Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commission File Number

May 2, 2025 10-Q

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

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 1-10427 ROBERT HALF INC. (Exact

April 23, 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) April 23, 2025 Robert Half Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commission File Numb

April 23, 2025 EX-99.1

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Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell President and Chief Executive Officer (650) 234-6000 ROBERT HALF REPORTS FIRST-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., April 23, 2025 — Robert Half Inc. (NYSE symbol: RHI) today reported revenues and earnings for the first quarter ended March 31, 2025. For the three months ended March 31, 2025, net income was $17 million, or $0.17

April 11, 2025 DEF 14A

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

SCHEDULE 14A INFORMATION 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 Statement  ☐ Definitive Additional Materials  ☐ Soliciting Material under §240.

February 13, 2025 EX-10.11

Annual Performance Bonus Plan, as amended and restated

EXHIBIT 10.11 ROBERT HALF INC. Annual Performance Bonus Plan (As amended and restated effective February 13, 2024) 1. DEFINITIONS. As used in this Plan, the following terms shall have the meanings set forth below: Adjustment Provisions shall mean the terms and conditions applicable to the adjustment of a Target Bonus based on the performance results for the Performance Goals with respect to a Bonu

February 13, 2025 EX-19.1

Policy on Compliance with Securities Laws

As Amended and Restated October 30, 2023 ROBERT HALF INC. POLICY ON COMPLIANCE WITH SECURITIES LAWS The purchase or sale of securities while aware of material nonpublic information regarding the Company, and the disclosure of material nonpublic information to others who then trade in the Company’s securities, are prohibited by the federal securities laws. The Company’s Board of Directors has adopt

February 13, 2025 EX-10.28

S. Executive Management Savings Plan

Protiviti U.S. Executive Management Savings Plan (As Amended and Restated Effective July 17, 2023) Purpose The purpose of this Plan is to provide specified benefits to a select group of management or highly compensated Employees (as defined below) who contribute materially to the continued growth, development and future business success of Protiviti Inc., a Delaware corporation, and its subsidiari

February 13, 2025 10-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ 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 Commission file number 1-10427 ROBERT HALF INC. (Exact name of registrant as specified in its

February 13, 2025 EX-21.1

Subsidiaries of the Registrant

EXHIBIT 21.1 SUBSIDIARIES OF ROBERT HALF INC. Name of Subsidiary Jurisdiction of Incorporation Protiviti Inc. Delaware Protiviti Holdings Inc. Delaware RHHC LLC Delaware RH-TM Resources, Inc. Delaware Protiviti Government Services, Inc. Maryland Protiviti Pty. Limited Australia Robert Half Australia Pty. Limited Australia Robert Half Austria GmbH Austria Robert Half B.V. Belgium Robert Half Projec

February 13, 2025 EX-4.1

Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934.

EXHIBIT 4.1 Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934 Description of Capital Stock As of December 31, 2024, Robert Half Inc., a Delaware corporation (the “Company”), had one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: Common Stock, par value $.001 per share (the “Common Stock”). The fol

January 29, 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) January 29, 2025 Robert Half Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commission File Nu

January 29, 2025 EX-99.1

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Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell President and Chief Executive Officer (650) 234-6000 ROBERT HALF REPORTS FOURTH-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., January 29, 2025 — Robert Half Inc. (NYSE symbol: RHI) today reported revenues and earnings for the fourth quarter ended December 31, 2024. For the three months ended December 31, 2024, net income was $54 million,

November 13, 2024 SC 13G

RHI / Robert Half Inc. / Boston Partners - BOSTON PARTNERS Passive Investment

SC 13G 1 rhi111324.htm BOSTON PARTNERS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 ROBERT HALF INC. (Name of Issuer) Common Stock (Title of Class of Securities) 770323103 (CUSIP Number) September 30, 2024 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant

October 30, 2024 10-Q

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

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 1-10427 ROBERT HALF INC. (Ex

October 22, 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 22, 2024 Robert Half Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commission File Nu

October 22, 2024 EX-99.1

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Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell President and Chief Executive Officer (650) 234-6000 ROBERT HALF REPORTS THIRD-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., October 22, 2024 — Robert Half Inc. (NYSE symbol: RHI) today reported revenues and earnings for the third quarter ended September 30, 2024. For the three months ended September 30, 2024, net income was $65 million,

July 31, 2024 10-Q

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

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 1-10427 ROBERT HALF INC. (Exact n

July 24, 2024 EX-99.1

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Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell President and Chief Executive Officer (650) 234-6000 ROBERT HALF REPORTS SECOND-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., July 24, 2024 — Robert Half Inc. (NYSE symbol: RHI) today reported revenues and earnings for the second quarter ended June 30, 2024. For the three months ended June 30, 2024, net income was $68 million, or $0.66 p

July 24, 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 24, 2024 Robert Half Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commission File Numbe

June 7, 2024 SC 13G/A

RHI / Robert Half Inc. / Capital World Investors - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 4 )* Robert Half Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 770323103 (CUSIP Number) May 31, 2024 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designa

May 16, 2024 8-K

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) May 15, 2024 Robert Half Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commission File Number

May 2, 2024 10-Q

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

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 1-10427 ROBERT HALF INC. (Exact

May 2, 2024 EX-3.2

Amended and Restated By-Laws of Robert Half Inc., incorporated by reference to Exhibit 3.2 to Registrant's Current Report on Form 10-Q dated May 2, 2024.

As Amended and Restated Effective July 17, 2023 BY-LAWS OF ROBERT HALF INC. ARTICLE I OFFICES Section 1. Registered Office. The registered office of the Corporation in the State of Delaware shall be at 1209 Orange Street, City of Wilmington, County of New Castle. Section 2. Principal Office for Transaction of Business. The principal office for the transaction of the business of the Corporation sha

May 2, 2024 DEFA14A

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

SCHEDULE 14A INFORMATION 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 Statement ☒ Definitive Additional Materials  ☐ Soliciting Material under §240.

April 25, 2024 EX-99.1

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Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell President and Chief Executive Officer (650) 234-6000 ROBERT HALF REPORTS FIRST-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., April 25, 2024 — Robert Half Inc. (NYSE symbol: RHI) today reported revenues and earnings for the first quarter ended March 31, 2024. For the three months ended March 31, 2024, net income was $64 million, or $0.61

April 25, 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 25, 2024 Robert Half Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commission File Numb

April 15, 2024 DEFR14A

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

SCHEDULE 14A INFORMATION 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 Statement  ☐ Definitive Additional Materials  ☐ Soliciting Material under §240.

April 12, 2024 DEF 14A

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

SCHEDULE 14A INFORMATION 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 Statement  ☐ Definitive Additional Materials  ☐ Soliciting Material under §240.

April 10, 2024 SC 13G/A

RHI / Robert Half Inc. / Capital World Investors - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3 )* Robert Half Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 770323103 (CUSIP Number) March 29, 2024 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to desig

February 20, 2024 EX-4.1

Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934.

EXHIBIT 4.1 Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934 Description of Capital Stock As of December 31, 2023, Robert Half Inc., a Delaware corporation (the “Company”), had one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: Common Stock, par value $.001 per share (the “Common Stock”). The fol

February 20, 2024 10-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ 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 Commission file number 1-10427 ROBERT HALF INC. (Exact name of registrant as specified in its

February 20, 2024 EX-21.1

Subsidiaries of the Registrant

EXHIBIT 21.1 SUBSIDIARIES OF ROBERT HALF INC. Name of Subsidiary Jurisdiction of Incorporation Protiviti Inc. Delaware Protiviti Holdings Inc. Delaware RHHC LLC Delaware RH-TM Resources, Inc. Delaware Protiviti Digital Marketing Services LLC Delaware R2i Holdings, LLC Delaware Protiviti Government Services, Inc. Maryland Protiviti Pty. Limited Australia Robert Half Australia Pty. Limited Australia

February 20, 2024 EX-97.1

Robert Half Inc.

EXHIBIT 97.1 Amended and Restated July 31, 2023 Robert Half Inc. CLAWBACK POLICY Recoupment of Incentive-Based Compensation It is the policy of Robert Half Inc. (the “Company”) that, in the event the Company is required to prepare an accounting restatement of the Company’s financial statements due to material non-compliance with any financial reporting requirement under the federal securities laws

February 20, 2024 EX-10.10

Form of Part-Time Employment Agreement, as amended and restated

EXHIBIT 10.10 The amended and restated Part-Time Employment Agreement substantially in the form attached hereto has been entered into by the Registrant with each of Harold M. Messmer, Jr., M. Keith Waddell, Paul F. Gentzkow, Robert W. Glass, and Michael C. Buckley. Pursuant to Instruction 2 to Item 601 of Regulation S-K, the individual agreements are not being filed. PART-TIME EMPLOYMENT AGREEMENT

February 13, 2024 SC 13G/A

RHI / Robert Half Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01833-roberthalfinc.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: Robert Half Inc Title of Class of Securities: Common Stock CUSIP Number: 770323103 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the

February 9, 2024 SC 13G/A

RHI / Robert Half Inc. / Capital World Investors - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2 )* Robert Half Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 770323103 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to de

January 30, 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) January 30, 2024 Robert Half Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commission File Nu

January 30, 2024 EX-99.1

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Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell President and Chief Executive Officer (650) 234-6000 ROBERT HALF REPORTS FOURTH-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., January 30, 2024 — Robert Half Inc. (NYSE symbol: RHI) today reported revenues and earnings for the fourth quarter ended December 31, 2023. For the three months ended December 31, 2023, net income was $87 million,

October 31, 2023 10-Q

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

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 1-10427 ROBERT HALF INC. (Ex

October 24, 2023 EX-99.1

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Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell President and Chief Executive Officer (650) 234-6000 ROBERT HALF REPORTS THIRD-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., October 24, 2023 — Robert Half Inc. (NYSE symbol: RHI) today reported revenues and earnings for the third quarter ended September 30, 2023. For the three months ended September 30, 2023, net income was $96 million,

October 24, 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 24, 2023 Robert Half Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commission File Nu

August 18, 2023 8-K/A

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/A (Amendment No. 1) 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 17, 2023 Robert Half Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation)

August 17, 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 17, 2023 Robert Half Inc. (

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 17, 2023 Robert Half Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commission File Num

August 1, 2023 EX-10.1

Severance Agreement dated July 31, 2023 between Registrant and Michael C. Buckley incorporated by reference to Exhibit 10.1 to Registrant’s Quarterly Report on Form 10-Q for the fiscal quarter ended June 30, 2023.

Severance Agreement This Severance Agreement is entered into as of July 31, 2023, by and between Robert Half Inc.

August 1, 2023 EX-10.2

Severance Agreement dated July 31, 2023 between Registrant and Joseph A. Tarantino incorporated by reference to Exhibit 10.2 to Registrant’s Quarterly Report on Form 10-Q for the fiscal quarter ended June 30, 2023.

Severance Agreement This Severance Agreement is entered into as of July 31, 2023, by and between Robert Half Inc.

August 1, 2023 EX-10.3

Part-Time Agreement dated July 31, 2023 between Registrant and Joseph A. Tarantino incorporated by reference to Exhibit 10.3 to Registrant’s Quarterly Report on Form 10-Q for the fiscal quarter ended June 30, 2023.

PART-TIME EMPLOYMENT AGREEMENT The Part-Time Employment Agreement made as of July 31, 2023 (the “Agreement”), between Robert Half Inc.

August 1, 2023 10-Q

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

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 1-10427 ROBERT HALF INC. (Exact n

July 25, 2023 EX-99.1

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Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell President and Chief Executive Officer (650) 234-6000 ROBERT HALF REPORTS SECOND-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., July 25, 2023 — Robert Half Inc. (NYSE symbol: RHI) today reported revenues and earnings for the second quarter ended June 30, 2023. For the three months ended June 30, 2023, net income was $106 million, or $1.00

July 25, 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) July 25, 2023 Robert Half Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commission File Numbe

July 17, 2023 EX-3.1

Restated Certificate of Incorporation of Robert Half Inc., incorporated by reference to Exhibit 3.1 to Registrant’s Current Report on Form 8-K dated July 17, 2023.

Restated Certificate of Incorporation of Robert Half Inc. RESTATED CERTIFICATE OF INCORPORATION of ROBERT HALF INC., a Delaware corporation Robert Half Inc., a corporation organized and existing under the laws of the State of Delaware, DOES HEREBY CERTIFY: FIRST: The present name of the Corporation is Robert Half Inc. SECOND: The Corporation was originally incorporated under the name Boothe Interi

July 17, 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 17, 2023 Robert Half 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) July 17, 2023 Robert Half Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commission File Numbe

July 17, 2023 EX-3.2

Amended and Restated By-Laws of Robert Half Inc., incorporated by reference to Exhibit 3.2 to Registrant’s Current Report on Form 8-K dated July 17, 2023.

Amended and Restated By-Laws of Robert Half Inc. As Amended and Restated Effective July 17, 2023 BY-LAWS OF ROBERT HALF INC. ARTICLE I OFFICES Section 1. Registered Office. The registered office of the Corporation in the State of Delaware shall be at 1209 Orange Street, City of Wilmington, County of New Castle. Section 2. Principal Office for Transaction of Business. The principal office for the t

May 19, 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 17, 2023 Robert Half Internati

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 17, 2023 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commissi

May 12, 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 11, 2023 Robert Half Internati

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 11, 2023 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commissi

May 12, 2023 EX-10.1

Amendment No. 2, dated May 11, 2023 to Credit Agreement Dated as of May 11, 2020, incorporated by reference to Exhibit 10.1 to Registrant’s Current Report on Form 8-K as of May 11, 2023.

executedamendmentno2tocr US-DOCS\140640905.4 EXECUTION COPY AMENDMENT NO. 2 Dated as of May 11, 2023 to CREDIT AGREEMENT Dated as of May 11, 2020 THIS AMENDMENT NO. 2 (this “Amendment”) is made as of May 11, 2023 by and among ROBERT HALF INTERNATIONAL INC., a Delaware corporation (the “Borrower”), the financial institutions listed on the signature pages hereof and JPMORGAN CHASE BANK, N.A., as Adm

May 3, 2023 10-Q

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

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 1-10427 ROBERT HALF INTERNATIONA

April 26, 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 26, 2023 Robert Half Interna

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 26, 2023 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commis

April 26, 2023 EX-99.1

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Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell President and Chief Executive Officer (650) 234-6000 ROBERT HALF REPORTS FIRST-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., April 26, 2023 — Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the first quarter ended March 31, 2023. For the quarter ended March 31, 2023, net income was $122 million,

April 13, 2023 DEF 14A

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

TABLE OF CONTENTS SCHEDULE 14A INFORMATION 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 Statement  ☐ Definitive Additional Materials  ☐ Soliciting Material under §240.

February 13, 2023 SC 13G/A

RHI / Robert Half International Inc. / Capital World Investors - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Robert Half International Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 770323103 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropr

February 10, 2023 EX-10.9

Senior Executive Retirement Plan, as amended and restated

EXHIBIT 10.9 ROBERT HALF INTERNATIONAL INC. SENIOR EXECUTIVE RETIREMENT PLAN (As Amended and Restated Effective January 1, 2023) 1. INTRODUCTION. The Plan was initially adopted by the Company to provide retirement benefits to those individuals, other than any individual holding the office of Chief Executive Officer prior to December 15, 2019, who participated in the Company’s Deferred Compensation

February 10, 2023 EX-3.2

Amended and Restated By-Laws

EXHIBIT 3.2 As Amended and Restated Effective February 9, 2023 BY-LAWS OF ROBERT HALF INTERNATIONAL INC. ARTICLE I OFFICES Section 1. Registered Office. The registered office of the Corporation in the State of Delaware shall be at 1209 Orange Street, City of Wilmington, County of New Castle. Section 2. Principal Office for Transaction of Business. The principal office for the transaction of the bu

February 10, 2023 EX-4.1

Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934.

EXHIBIT 4.1 Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934 Description of Capital Stock As of December 31, 2022, Robert Half International Inc., a Delaware corporation (the “Company”), had one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: Common Stock, par value $.001 per share (the “Common St

February 10, 2023 EX-21.1

Subsidiaries of the Registrant

EXHIBIT 21.1 SUBSIDIARIES OF ROBERT HALF INTERNATIONAL INC. Name of Subsidiary Jurisdiction of Incorporation Protiviti Inc. Delaware Protiviti Holdings Inc. Delaware RHHC LLC Delaware RH-TM Resources, Inc. Delaware Protiviti Digital Marketing Services LLC Delaware R2i Holdings, LLC Delaware Protiviti Government Services, Inc. Maryland Protiviti Pty. Limited Australia Robert Half Australia Pty. Lim

February 10, 2023 10-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ 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 Commission file number 1-10427 ROBERT HALF INTERNATIONAL INC. (Exact name of registrant as sp

February 9, 2023 SC 13G/A

RHI / Robert Half International Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01806-roberthalfinternatio.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: Robert Half International Inc. Title of Class of Securities: Common Stock CUSIP Number: 770323103 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriat

January 26, 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) January 26, 2023 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Comm

January 26, 2023 EX-99.1

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Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell President and Chief Executive Officer (650) 234-6000 ROBERT HALF REPORTS FOURTH-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., January 26, 2023 — Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the fourth quarter ended December 31, 2022. For the quarter ended December 31, 2022, net income was $14

November 10, 2022 SC 13G

RHI / Robert Half International Inc. / Capital World Investors - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Robert Half International Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 770323103 (CUSIP Number) October 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which

October 28, 2022 10-Q

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

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 1-10427 ROBERT HALF INTERNAT

October 20, 2022 EX-99.1

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Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell President and Chief Executive Officer (650) 234-6000 ROBERT HALF REPORTS THIRD-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., October 20, 2022 ? Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the third quarter ended September 30, 2022. For the quarter ended September 30, 2022, net income was $16

October 20, 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 20, 2022 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Comm

September 13, 2022 CORRESP

Year Ended December 31, 2021 Temporary and consultant staffing Permanent placement staffing Risk consulting and internal audit services Total $ % of Revenue $ % of Revenue $ % of Revenue $ % of Revenue Gross Margin As Reported $ 1,598,716 39.6 % $ 56

CORRESP 1 filename1.htm 2884 Sand Hill Road Suite 200 Menlo Park, CA 94025 T 650.234.6000 roberthalf.com September 13, 2022 Via EDGAR (filed as Correspondence) U.S. Securities and Exchange Commission Division of Corporation Finance Office of Trade & Services Washington, D.C. 20549 Attention: Nasreen Mohammed and Adam Phippen Re: Robert Half International Inc. Form 10-K for the Fiscal Year Ended De

August 3, 2022 10-Q

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

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 1-10427 ROBERT HALF INTERNATIONAL

August 3, 2022 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) August 2, 2022 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commis

July 21, 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) July 21, 2022 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commiss

July 21, 2022 EX-99.1

- 2 -

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell President and Chief Executive Officer (650) 234-6000 ROBERT HALF REPORTS SECOND-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., July 21, 2022 ? Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the second quarter ended June 30, 2022. For the quarter ended June 30, 2022, net income was $176 million,

May 19, 2022 8-K

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) May 18, 2022 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commissi

May 4, 2022 10-Q

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

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 1-10427 ROBERT HALF INTERNATIONA

May 2, 2022 DEFA14A

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

SCHEDULE 14A INFORMATION 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 Statement ? Definitive Additional Materials ? Soliciting Material under ?240.

April 26, 2022 EX-99.1

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Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell President and Chief Executive Officer (650) 234-6000 ROBERT HALF REPORTS FIRST-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., April 26, 2022 ? Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the first quarter ended March 31, 2022. For the quarter ended March 31, 2022, net income was $168 million,

April 26, 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) April 26, 2022 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commis

April 14, 2022 DEF 14A

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEF 14A 1 ny20001654x1def14a.htm DEF 14A TABLE OF CONTENTS SCHEDULE 14A INFORMATION 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 Sta

February 14, 2022 10-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? 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 Commission file number 1-10427 ROBERT HALF INTERNATIONAL INC. (Exact name of registrant as sp

February 14, 2022 EX-21.1

Subsidiaries of the Registrant

EXHIBIT 21.1 SUBSIDIARIES OF ROBERT HALF INTERNATIONAL INC. Name of Subsidiary Jurisdiction of Incorporation Protiviti Inc. Delaware Protiviti Holdings Inc. Delaware RHHC LLC Delaware RH-TM Resources, Inc. Delaware Protiviti Government Services, Inc. Maryland Protiviti Pty. Limited Australia Robert Half Australia Pty. Limited Australia Robert Half Austria GmbH Austria Robert Half B.V. Belgium Robe

February 14, 2022 EX-4.1

Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934

EXHIBIT 4.1 Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934 Description of Capital Stock As of December 31, 2021, Robert Half International Inc., a Delaware corporation (the ?Company?), had one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: Common Stock, par value $.001 per share (the ?Common St

February 14, 2022 EX-10.13

Stock Incentive Plan, as amended and restated, incorporated by reference to Exhibit 10.13 to Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 2021.

EXHIBIT 10.13 ROBERT HALF INTERNATIONAL INC. STOCK INCENTIVE PLAN (As Amended and Restated February 10, 2022 (the ?Effective Date?)) SECTION 1. ESTABLISHMENT AND PURPOSE. The purpose of the Plan is to promote the long-term success of the Company and the creation of stockholder value by (a) encouraging Participants to focus on critical long-range objectives, (b) encouraging the attraction and reten

February 10, 2022 SC 13G/A

RHI / Robert Half International 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: Robert Half International Inc. Title of Class of Securities: Common Stock CUSIP Number: 770323103 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

January 27, 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) January 27, 2022 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Comm

January 27, 2022 EX-99.1

- 2 -

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell President and Chief Executive Officer (650) 234-6000 ROBERT HALF REPORTS FOURTH-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., January 27, 2022 ? Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the fourth quarter ended December 31, 2021. For the quarter ended December 31, 2021, net income was $16

October 29, 2021 10-Q

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

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 Number 1-10427 ROBERT HALF INTERNAT

October 21, 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) October 21, 2021 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Comm

October 21, 2021 EX-99.1

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Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell President and Chief Executive Officer (650) 234-6000 ROBERT HALF REPORTS THIRD-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., October 21, 2021 ? Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the third quarter ended September 30, 2021. For the quarter ended September 30, 2021, net income was $17

August 4, 2021 10-Q

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

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 1-10427 ROBERT HALF INTERNATIONAL

July 22, 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) July 22, 2021 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commiss

July 22, 2021 EX-99.1

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Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell President and Chief Executive Officer (650) 234-6000 ROBERT HALF REPORTS SECOND-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., July 22, 2021 ? Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the second quarter ended June 30, 2021. For the quarter ended June 30, 2021, net income was $149 million,

May 21, 2021 8-K

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) May 19, 2021 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commissi

May 11, 2021 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) May 6, 2021 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commissio

May 11, 2021 EX-10.1

CREDIT AGREEMENT dated as of May 11, 2020 ROBERT HALF INTERNATIONAL INC. The Lenders Party Hereto JPMORGAN CHASE BANK, N.A. as Administrative Agent JPMORGAN CHASE BANK, N.A. as Sole Bookrunner and Sole Lead Arranger

Exhibit 10.1 CREDIT AGREEMENT dated as of May 11, 2020 among ROBERT HALF INTERNATIONAL INC. The Lenders Party Hereto and JPMORGAN CHASE BANK, N.A. as Administrative Agent JPMORGAN CHASE BANK, N.A. as Sole Bookrunner and Sole Lead Arranger TABLE OF CONTENTS Page ARTICLE I Definitions 1 SECTION 1.01. Defined Terms 1 SECTION 1.02. Classification of Loans and Borrowings 34 SECTION 1.03. Terms Generall

May 11, 2021 EX-10.3

AMENDMENT NO. 1 Dated as of May 6, 2021 to CREDIT AGREEMENT Dated as of May 11, 2020

EX-10.3 3 brhc10024323ex10-3.htm EXHIBIT 10.3 Exhibit 10.3 EXECUTION COPY AMENDMENT NO. 1 Dated as of May 6, 2021 to CREDIT AGREEMENT Dated as of May 11, 2020 THIS AMENDMENT NO. 1 (this “Amendment”) is made as of May 6, 2021 by and among ROBERT HALF INTERNATIONAL INC., a Delaware corporation (the “Borrower”), the financial institutions listed on the signature pages hereof and JPMORGAN CHASE BANK,

April 30, 2021 10-Q

Quarterly Report - 10-Q

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 1-10427 ROBERT HALF INTERNATIONA

April 21, 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) April 21, 2021 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commis

April 21, 2021 EX-99.1

- 2 -

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell President and Chief Executive Officer (650) 234-6000 ROBERT HALF REPORTS FIRST-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., April 21, 2021 ? Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the first quarter ended March 31, 2021. For the quarter ended March 31, 2021, net income was $111 million,

April 15, 2021 DEF 14A

- DEF 14A

TABLE OF CONTENTS SCHEDULE 14A INFORMATION 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 Statement ? ? ?? ? ? Definitive Additional Materials ? ? ?? ? ? Soliciting Material under ?240.

February 12, 2021 EX-21.1

Subsidiaries of the Registrant

EXHIBIT 21.1 SUBSIDIARIES OF ROBERT HALF INTERNATIONAL INC. Name of Subsidiary Jurisdiction of Incorporation Protiviti Digital Identity Solutions Inc. Delaware Protiviti Inc. Delaware Protiviti Holdings Inc. Delaware RHHC LLC Delaware RH-TM Resources, Inc. Delaware Protiviti Government Services, Inc. Maryland Protiviti Pty. Limited Australia Robert Half Australia Pty. Limited Australia Robert Half

February 12, 2021 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? 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 Commission file number 1-10427 ROBERT HALF INTERNATIONAL INC. (Exact name of registrant as sp

February 12, 2021 EX-4.1

Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934

EXHIBIT 4.1 Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934 Description of Capital Stock As of December 31, 2020, Robert Half International Inc., a Delaware corporation (the ?Company?), had one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: Common Stock, par value $.001 per share (the ?Common St

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: Robert Half International Inc. Title of Class of Securities: Common Stock CUSIP Number: 770323103 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

February 3, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 01)* Robert Half International Inc (Name of Issuer) Common Stock (Title of Class of Securities) (CUSIP Numbe

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 01)* Robert Half International Inc (Name of Issuer) Common Stock (Title of Class of Securities) 770323103 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pu

January 28, 2021 EX-99.1

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Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell President and Chief Executive Officer (650) 234-6000 ROBERT HALF REPORTS FOURTH-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., January 28, 2021 — Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the fourth quarter ended December 31, 2020. For the quarter ended December 31, 2020, net income was $94

January 28, 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) January 28, 2021 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Comm

November 2, 2020 EX-10.1

Form of Restricted Share Agreement for Executive Officers effective October 29, 2020, incorporated by reference to Exhibit 10.1 to Registrant's Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 2020.

EXHIBIT 10.1 ROBERT HALF INTERNATIONAL INC. STOCK INCENTIVE PLAN RESTRICTED SHARE AGREEMENT This restricted share agreement (“Agreement”) is made and entered into as of , 20, (the “Grant Date”), between Robert Half International Inc., a Delaware corporation (the “Company”), and (“Participant”). Capitalized terms not defined herein shall have the meanings assigned to them in the Company’s Stock Inc

November 2, 2020 EX-10.2

Form of Restricted Share Agreement for Independent Directors effective October 29, 2020, incorporated by reference to Exhibit 10.2 to Registrant's Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 2020.

EXHIBIT 10.2 ROBERT HALF INTERNATIONAL INC. STOCK INCENTIVE PLAN RESTRICTED SHARE AGREEMENT This restricted share agreement (“Agreement”) is made and entered into as of (the “Grant Date”), between Robert Half International Inc., a Delaware corporation (the “Company”), and (“Participant”). Capitalized terms not defined herein shall have the meanings assigned to them in the Company’s Stock Incentive

November 2, 2020 10-Q

Quarterly Report - 10-Q

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 Number 1-10427 ROBERT HALF INTERNAT

October 26, 2020 CORRESP

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2884 Sand Hill Road Suite 200 Menlo Park, CA 94025 T 650.234.6000 roberthalf.com October 26, 2020 Via EDGAR (filed as Correspondence) U.S. Securities and Exchange Commission Division of Corporation Finance Office of Trade & Services Washington, D.C. 20549 Attention: Donna Di Silvio and Rufus Decker Re: Robert Half International Inc. Form 10-K for the Fiscal Year Ended December 31, 2019 Filed Febru

October 22, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 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) October 22, 2020 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Comm

October 22, 2020 EX-99.1

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Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell President and Chief Executive Officer (650) 234-6000 ROBERT HALF REPORTS THIRD-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., October 22, 2020 — Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the third quarter ended September 30, 2020. For the quarter ended September 30, 2020, net income was $76

October 9, 2020 CORRESP

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2884 Sand Hill Road Suite 200 Menlo Park, CA 94025 T 650.234.6000 roberthalf.com October 9, 2020 Via EDGAR (filed as Correspondence) U.S. Securities and Exchange Commission Division of Corporation Finance Office of Trade & Services Washington, D.C. 20549 Attention: Donna Di Silvio and Rufus Decker Re: Robert Half International Inc. Form 10-K for the Fiscal Year Ended December 31, 2019 Filed Februa

September 17, 2020 CORRESP

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2884 Sand Hill Road Suite 200 Menlo Park, CA 94025 T 650.234.6000 roberthalf.com September 17, 2020 Via EDGAR (filed as Correspondence) U.S. Securities and Exchange Commission Division of Corporation Finance Office of Trade & Services Washington, D.C. 20549 Attention: Donna Di Silvio and Rufus Decker Re: Robert Half International Inc. Form 10-K for the Fiscal Year Ended December 31, 2019 Filed Feb

August 3, 2020 10-Q

Quarterly Report - 10-Q

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 1-10427 ROBERT HALF INTERNATIONAL

July 23, 2020 EX-99.1

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Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell President and Chief Executive Officer (650) 234-6000 ROBERT HALF REPORTS SECOND-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., July 23, 2020 — Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the second quarter ended June 30, 2020. For the quarter ended June 30, 2020, net income was $46 million, o

July 23, 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) July 23, 2020 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commiss

May 22, 2020 8-K

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) May 20, 2020 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commissi

May 15, 2020 EX-10.1

Credit Agreement, dated as of May 11, 2020, among the Company, the lenders from time to time party thereto and JPMorgan Chase Bank, N.A., as administrative agent.

EX-10.1 Exhibit 10.1 EXECUTION VERSION CREDIT AGREEMENT dated as of May 11, 2020 among ROBERT HALF INTERNATIONAL INC. The Lenders Party Hereto and JPMORGAN CHASE BANK, N.A. as Administrative Agent JPMORGAN CHASE BANK, N.A. as Sole Bookrunner and Sole Lead Arranger TABLE OF CONTENTS Page ARTICLE I Definitions 1 SECTION 1.01. Defined Terms 1 SECTION 1.02. Classification of Loans and Borrowings 31 SE

May 15, 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

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 11, 2020 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction ofincorporation) (Commissio

May 15, 2020 EX-10.2

Guaranty, dated May 11, 2020, by Protiviti Inc. in favor of JPMorgan Chase Bank, N.A., as administrative agent.

EX-10.2 Exhibit 10.2 GUARANTY THIS GUARANTY (as the same may be amended, restated, supplemented or otherwise modified from time to time, this “Guaranty”) is made as of May 11, 2020 by and among each of the Subsidiaries of Robert Half International Inc. (the “Borrower”) listed on the signature pages hereto (each an “Initial Guarantor”) and those additional Subsidiaries of the Borrower which become

May 6, 2020 10-Q/A

Quarterly Report - 10-Q/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q/A (Amendment No. 1) (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 1-10427 ROBE

May 4, 2020 10-Q

Quarterly Report - 10-Q

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 1-10427 ROBERT HALF INTERNATIONA

May 4, 2020 EX-10.1

Exhibit 10.1 to the Registrant's Quarterly Report on Form 10-Q for the quarter ended March 31, 2020

EXHIBIT 10.1 Nineteenth Amendment to Employment Agreement This Nineteenth Amendment to Employment Agreement (the “Amendment”) is made and entered into as of April 23, 2020, by and between Robert Half International Inc., a Delaware corporation, (“Corporation”) and Harold M. Messmer, Jr. (the “Officer”). WHEREAS, Corporation and Officer have entered into an employment agreement, dated as of October

April 23, 2020 EX-99.1

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Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell President and Chief Executive Officer (650) 234-6000 ROBERT HALF REPORTS FIRST-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., April 23, 2020 — Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the first quarter ended March 31, 2020. For the quarter ended March 31, 2020, net income was $90 million,

April 23, 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, 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 23, 2020 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commis

April 15, 2020 DEF 14A

RHI / Robert Half International, Inc DEF 14A - - DEFINITIVE PROXY STATEMENT

Definitive Proxy Statement Table of Contents SCHEDULE 14A INFORMATION 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 Statement ☐ Definitive Additional Materials ☐ Soliciting Material Pursuant to Section 240.

April 15, 2020 DEFA14A

RHI / Robert Half International, Inc DEFA14A - - DEFINITIVE ADDITIONAL MATERIALS

Definitive Additional Materials SCHEDULE 14A INFORMATION 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 Statement ☒ Definitive Additional Materials ☐ Soliciting Material Pursuant to Section 240.

February 14, 2020 EX-21.1

Subsidiaries of the Registrant

EXHIBIT 21.1 SUBSIDIARIES OF ROBERT HALF INTERNATIONAL INC. Name of Subsidiary Jurisdiction of Incorporation Protiviti Inc. Delaware Protiviti Holdings Inc. Delaware RHHC LLC Delaware RH-TM Resources, Inc. Delaware Protiviti Government Services, Inc. Maryland Robert Half Nevada Staff, Inc. Nevada Robert Half of Pennsylvania, Inc. Pennsylvania Protiviti Pty. Limited Australia Robert Half Australia

February 14, 2020 EX-10.9

Senior Executive Retirement Plan, as amended and restated December 15, 2019.

EXHIBIT 10.9 ROBERT HALF INTERNATIONAL INC. SENIOR EXECUTIVE RETIREMENT PLAN (As Amended and Restated Effective December 15, 2019) 1. INTRODUCTION. This Plan was adopted by the Company to provide retirement benefits to those individuals, other than any individual holding the office of Chief Executive Officer prior to December 15, 2019, who participated in the Company’s Deferred Compensation Plan a

February 14, 2020 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ 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 Commission file number 1-10427 ROBERT HALF INTERNATIONAL INC. (Exact name of registrant as sp

February 14, 2020 EX-10.18

Stock Incentive Plan—Form of Restricted Share Agreement for Executive Officers effective through October 28, 2020, incorporated by reference to Exhibit 10.18 to Registrant's Annual Report on Form 10-K for the fiscal year ended December 31, 2019.

EXHIBIT 10.18 ROBERT HALF INTERNATIONAL INC. STOCK INCENTIVE PLAN RESTRICTED SHARE AGREEMENT This restricted share agreement (“Agreement”) is made and entered into as of , (the “Grant Date”), between Robert Half International Inc., a Delaware corporation (the “Company”), and . (“Participant”). Capitalized terms not defined herein shall have the meanings assigned to them in the Company’s Stock Ince

February 14, 2020 EX-4.1

Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934.

EXHIBIT 4.1 Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934 Description of Capital Stock As of December 31, 2019, Robert Half International Inc., a Delaware corporation (the “Company”), had one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: Common Stock, par value $.001 per share (the “Common St

February 13, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, 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) February 12, 2020 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Com

February 13, 2020 EX-3.2

Amended and Restated By-Laws

EX-3.2 EXHIBIT 3.2 As Amended and Restated Effective February 12, 2020 BY-LAWS OF ROBERT HALF INTERNATIONAL INC. ARTICLE I OFFICES Section 1. Registered Office. The registered office of the Corporation in the State of Delaware shall be at 1209 Orange Street, City of Wilmington, County of New Castle. Section 2. Principal Office for Transaction of Business. The principal office for the transaction o

February 12, 2020 SC 13G

RHI / Robert Half International, Inc / MANAGED ACCOUNT ADVISORS LLC - NONE Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. n/a )* ROBERT HALF INTERNATIONAL INC (Name of Issuer) Common Stock (Title of Class of Securities) 770323103 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule

February 11, 2020 SC 13G/A

RHI / Robert Half International, 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: Robert Half International Inc Title of Class of Securities: Common Stock CUSIP Number: 770323103 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 i

January 30, 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 30, 2020 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Comm

January 30, 2020 EX-99.1

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Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell Chief Executive Officer (650) 234-6000 ROBERT HALF REPORTS FOURTH-QUARTER AND YEAR-END FINANCIAL RESULTS MENLO PARK, Calif., January 30, 2020 — Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the fourth quarter and year ended December 31, 2019. For the quarter ended December 31, 2019, net income

November 12, 2019 10-Q

Quarterly Report - 10-Q

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 Number 1-10427 ROBERT HALF INTERNAT

November 7, 2019 EX-10.1

Exhibit 10.1 to the Registrant's Current Report on Form 8-K dated November 7, 2019

Exhibit 10.1 Eighteenth Amendment to Employment Agreement This Eighteenth Amendment to Employment Agreement (the “Amendment”) is made and entered into as of December 15, 2019, by and between Robert Half International Inc., a Delaware corporation, (“Corporation”) and Harold M. Messmer, Jr. (the “Officer”). WHEREAS, Corporation and Officer have entered into an employment agreement, dated as of Octob

November 7, 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) November 6, 2019 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Comm

October 23, 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) October 23, 2019 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Comm

October 23, 2019 EX-99.1

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Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell Vice Chairman, President and Chief Financial Officer (650) 234-6000 ROBERT HALF REPORTS THIRD-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., October 23, 2019 — Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the third quarter ended September 30, 2019. For the quarter ended September 30, 2019, net

August 2, 2019 10-Q

Quarterly Report - 10-Q

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 1-10427 ROBERT HALF INTERNATIONAL

July 23, 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) July 23, 2019 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commiss

July 23, 2019 EX-99.1

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Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell Vice Chairman, President and Chief Financial Officer (650) 234-6000 ROBERT HALF REPORTS SECOND-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., July 23, 2019 — Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the second quarter ended June 30, 2019. For the quarter ended June 30, 2019, net income was

May 29, 2019 S-8

RHI / Robert Half International, Inc S-8 - - S-8

S-8 As filed with the Securities and Exchange Commission on May 29, 2019 REGISTRATION NO.

May 24, 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, 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) May 22, 2019 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commissi

May 24, 2019 EX-99.1

ROBERT HALF INTERNATIONAL INC. STOCK INCENTIVE PLAN (As Amended and Restated May 22, 2019)

Exhibit 99.1 ROBERT HALF INTERNATIONAL INC. STOCK INCENTIVE PLAN (As Amended and Restated May 22, 2019) SECTION 1. ESTABLISHMENT AND PURPOSE. The purpose of the Plan is to promote the long-term success of the Company and the creation of stockholder value by (a) encouraging Participants to focus on critical long-range objectives, (b) encouraging the attraction and retention of individuals with exce

May 6, 2019 10-Q

Quarterly Report - 10-Q

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED March 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 1-10427 ROBERT HALF INTERNATIONA

April 23, 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) April 23, 2019 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commis

April 23, 2019 EX-99.1

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Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell Vice Chairman, President and Chief Financial Officer (650) 234-6000 ROBERT HALF REPORTS FIRST-QUARTER FINANCIAL RESULTS Revenues Up 5 Percent (9 Percent Adjusted for Currency and Billing Days); EPS Growth of 19 Percent MENLO PARK, Calif., April 23, 2019 — Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earni

April 18, 2019 DEF 14A

2019 Proxy Statement

Definitive Proxy Statement SCHEDULE 14A INFORMATION 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 Statement ☐ Definitive Additional Materials ☐ Soliciting Material Pursuant to Section 240.

March 18, 2019 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) March 15, 2019 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commis

February 15, 2019 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number 1-10427 ROBERT HALF INTERNATIONAL INC. (Exact name of registrant as sp

February 15, 2019 EX-21.1

Subsidiaries of the Registrant

EXHIBIT 21.1 SUBSIDIARIES OF ROBERT HALF INTERNATIONAL INC. Name of Subsidiary Jurisdiction of Incorporation RH Holding Company, Inc. California Robert Half of California, Inc. California Robert Half Staffing, LLC California Robert Half Temporaries, Inc. California Jersey Temporaries, Inc. Delaware Protiviti Inc. Delaware Protiviti Holdings Inc. Delaware RH-TM Resources, Inc. Delaware Protiviti Go

February 12, 2019 SC 13G/A

RHI / Robert Half International, Inc / VANGUARD GROUP INC Passive Investment

roberthalfinternationalinc.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 8 )* Name of issuer: Robert Half International Inc Title of Class of Securities: Common Stock CUSIP Number: 770323103 Date of Event Which Requires Filing of this Statement: December 31, 2018 Check

January 29, 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) January 29, 2019 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Comm

January 29, 2019 EX-99.1

- 1 -

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell Vice Chairman, President and Chief Financial Officer (650) 234-6000 ROBERT HALF REPORTS FOURTH-QUARTER AND YEAR-END FINANCIAL RESULTS MENLO PARK, Calif., January 29, 2019 — Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the fourth quarter and year ended December 31, 2018. For the quarter ended

November 1, 2018 10-Q

RHI / Robert Half International, Inc 10-Q (Quarterly Report)

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2018 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 1-10427 ROBERT HALF INTERNAT

October 31, 2018 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) October 30, 2018 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Comm

October 23, 2018 EX-99.1

- 1 -

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell Vice Chairman, President and Chief Financial Officer (650) 234-6000 ROBERT HALF REPORTS THIRD-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., October 23, 2018 — Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the third quarter ended September 30, 2018. For the quarter ended September 30, 2018, net

October 23, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, 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 23, 2018 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Comm

August 2, 2018 10-Q

RHI / Robert Half International, Inc 10-Q (Quarterly Report)

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2018 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 1-10427 ROBERT HALF INTERNATIONAL

July 24, 2018 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 24, 2018 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commiss

July 24, 2018 EX-99.1

- 1 -

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell Vice Chairman, President and Chief Financial Officer (650) 234-6000 ROBERT HALF REPORTS SECOND-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., July 24, 2018 — Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the second quarter ended June 30, 2018. For the quarter ended June 30, 2018, net income was

May 24, 2018 8-K

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) May 23, 2018 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commissi

May 14, 2018 DEFA14A

RHI / Robert Half International, Inc DEFA14A

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x 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 Statement x Definitive Additional Materials ☐ Soliciting Material Pursuant to Section 240.

May 4, 2018 DEFA14A

RHI / Robert Half International, Inc DEFA14A

DEFA14A SCHEDULE 14A INFORMATION 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 Statement ☒ Definitive Additional Materials ☐ Soliciting Material Pursuant to Section 240.

May 3, 2018 10-Q

RHI / Robert Half International, Inc 10-Q (Quarterly Report)

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2018 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 1-10427 ROBERT HALF INTERNATIONA

April 24, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, 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) April 24, 2018 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commis

April 24, 2018 EX-99.1

- 1 -

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell Vice Chairman, President and Chief Financial Officer (650) 234-6000 ROBERT HALF REPORTS FIRST-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., April 24, 2018 — Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the first quarter ended March 31, 2018. For the quarter ended March 31, 2018, net income wa

April 18, 2018 DEF 14A

RHI / Robert Half International, Inc DEFINITIVE PROXY STATEMENT

Definitive Proxy Statement SCHEDULE 14A INFORMATION 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 Statement ☐ Definitive Additional Materials ☐ Soliciting Material Pursuant to Section 240.

February 20, 2018 EX-21.1

Subsidiaries of the Registrant

EXHIBIT 21.1 SUBSIDIARIES OF ROBERT HALF INTERNATIONAL INC. Name of Subsidiary Jurisdiction of Incorporation RH Holding Company, Inc. California Robert Half of California, Inc. California Robert Half Staffing, LLC California Robert Half Temporaries, Inc. California Jersey Temporaries, Inc. Delaware Protiviti Inc. Delaware Protiviti Holdings Inc. Delaware RH-TM Resources, Inc. Delaware Protiviti Go

February 20, 2018 10-K

RHI / Robert Half International, Inc 10-K (Annual Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2017 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number 1-10427 ROBERT HALF INTERNATIONAL INC. (Exact name of registrant as sp

February 20, 2018 EX-3.2

Amended and Restated By-Laws

EXHIBIT 3.2 As Amended and Restated Effective February 13, 2018 BY-LAWS OF ROBERT HALF INTERNATIONAL INC. ARTICLE I OFFICES Section 1. Registered Office. The registered office of the Corporation in the State of Delaware shall be at 1209 Orange Street, City of Wilmington, County of New Castle. Section 2. Principal Office for Transaction of Business. The principal office for the transaction of the b

February 12, 2018 SC 13G/A

RHI / Robert Half International, Inc / VANGUARD GROUP INC Passive Investment

roberthalfinternationalinc.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 7 )* Name of issuer: Robert Half International Inc Title of Class of Securities: Common Stock CUSIP Number: 770323103 Date of Event Which Requires Filing of this Statement: December 31, 2017 Check

January 30, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

Document 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 30, 2018 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporati

January 30, 2018 EX-99.1

- 1 -

Exhibit Exhibit 99.1 FOR IMMEDIATE RELEASE Contact : M. Keith Waddell Vice Chairman, President and Chief Financial Officer (650) 234-6000 ROBERT HALF REPORTS FOURTH-QUARTER AND YEAR-END FINANCIAL RESULTS MENLO PARK, Calif., January 30, 2018 ? Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the fourth quarter and year ended December 31, 2017 . For the quar

December 27, 2017 EX-99.1

- 2 -

Exhibit Exhibit 99.1 FOR IMMEDIATE RELEASE Contact : M. Keith Waddell Vice Chairman, President and Chief Financial Officer (650) 234-6000 ROBERT HALF UPDATES FOURTH-QUARTER GUIDANCE FOR IMPACT OF NEW U.S. TAX LAW MENLO PARK, Calif., December 27, 2017 ? Robert Half International Inc. (NYSE symbol: RHI) today reported that it expects to record a one-time non-cash charge to its provision for income t

December 27, 2017 8-K

Financial Statements and Exhibits, Other Events

Document 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 27, 2017 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporat

November 3, 2017 10-Q

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

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2017 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 1-10427 ROBERT HALF INTERNAT

October 24, 2017 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

Document 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, 2017 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporati

October 24, 2017 EX-99.1

- 1 -

Exhibit Exhibit 99.1 FOR IMMEDIATE RELEASE Contact : M. Keith Waddell Vice Chairman, President and Chief Financial Officer (650) 234-6000 ROBERT HALF REPORTS THIRD-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., October 24, 2017 ? Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the third quarter ended September 30, 2017 . For the quarter ended September 30,

August 3, 2017 10-Q

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

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2017 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 1-10427 ROBERT HALF INTERNATIONAL

July 25, 2017 EX-99.1

- 1 -

Exhibit Exhibit 99.1 FOR IMMEDIATE RELEASE Contact : M. Keith Waddell Vice Chairman, President and Chief Financial Officer (650) 234-6000 ROBERT HALF REPORTS SECOND-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., July 25, 2017 ? Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the second quarter ended June 30, 2017 . For the quarter ended June 30, 2017 , net

July 25, 2017 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

Document 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 25, 2017 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation)

May 25, 2017 8-K

Other Events, Submission of Matters to a Vote of Security Holders

Document 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 24, 2017 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation)

May 5, 2017 10-Q

Robert Half International 10-Q (Quarterly Report)

Document SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2017 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 1-10427 ROBERT HALF INT

April 20, 2017 EX-99.1

- 1 -

Exhibit Exhibit 99.1 FOR IMMEDIATE RELEASE Contact : M. Keith Waddell Vice Chairman, President and Chief Financial Officer (650) 234-6000 ROBERT HALF REPORTS FIRST-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., April 20, 2017 ? Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the first quarter ended March 31, 2017 . For the quarter ended March 31, 2017 , ne

April 20, 2017 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

Document 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 20, 2017 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation

April 19, 2017 DEF 14A

Robert Half International DEFINITIVE PROXY STATEMENT

Definitive Proxy Statement SCHEDULE 14A INFORMATION 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 Statement ? Definitive Additional Materials ? Soliciting Material Pursuant to Section 240.

April 10, 2017 SC 13G/A

RHI / Robert Half International, Inc / VANGUARD GROUP INC Passive Investment

roberthalfinternationalinc.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 6 )* Name of issuer: Robert Half International Inc Title of Class of Securities: Common Stock CUSIP Number: 770323103 Date of Event Which Requires Filing of this Statement: March 31, 2017 Check th

February 13, 2017 10-K

RHI / Robert Half International, Inc 10-K - Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2016 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number 1-10427 ROBERT HALF INTERNATIONAL INC. (Exact name of registrant as sp

February 13, 2017 EX-21.1

SUBSIDIARIES OF ROBERT HALF INTERNATIONAL INC.

EXHIBIT 21.1 SUBSIDIARIES OF ROBERT HALF INTERNATIONAL INC. Name of Subsidiary Jurisdiction of Incorporation RH Holding Company, Inc. California Robert Half of California, Inc. California Robert Half Staffing, LLC California Robert Half Temporaries, Inc. California Jersey Temporaries, Inc. Delaware Protiviti Inc. Delaware Protiviti Holdings Inc. Delaware RH-TM Resources, Inc. Delaware Protiviti Go

February 10, 2017 SC 13G/A

RHI / Robert Half International, Inc / VANGUARD GROUP INC Passive Investment

roberthalfinternationalinc.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 5 )* Name of issuer: Robert Half International Inc Title of Class of Securities: Common Stock CUSIP Number: 770323103 Date of Event Which Requires Filing of this Statement: December 31, 2016 Check

January 26, 2017 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

Document 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 26, 2017 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporati

January 26, 2017 EX-99.1

- 1 -

Exhibit Exhibit 99.1 FOR IMMEDIATE RELEASE Contact : M. Keith Waddell Vice Chairman, President and Chief Financial Officer (650) 234-6000 ROBERT HALF REPORTS FOURTH-QUARTER AND YEAR-END FINANCIAL RESULTS MENLO PARK, Calif., January 26, 2017 ? Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the fourth quarter and year ended December 31, 2016 . For the quar

November 3, 2016 10-Q

RHI / Robert Half International, Inc 10-Q - Quarterly Report - 10-Q

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2016 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 1-10427 ROBERT HALF INTERNAT

October 26, 2016 EX-99.1

- 1 -

Exhibit Exhibit 99.1 FOR IMMEDIATE RELEASE Contact : M. Keith Waddell Vice Chairman, President and Chief Financial Officer (650) 234-6000 ROBERT HALF REPORTS THIRD-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., October 26, 2016 ? Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the third quarter ended September 30, 2016 . For the quarter ended September 30,

October 26, 2016 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

Document 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 26, 2016 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporati

August 4, 2016 EX-3.2

Amended and Restated By-Laws

EXHIBIT 3.2 As Amended and Restated Effective August 2, 2016 BY-LAWS OF ROBERT HALF INTERNATIONAL INC. ARTICLE I OFFICES Section 1. Registered Office. The registered office of the Corporation in the State of Delaware shall be at 1209 Orange Street, City of Wilmington, County of New Castle. Section 2. Principal Office for Transaction of Business. The principal office for the transaction of the busi

August 4, 2016 10-Q

RHI / Robert Half International, Inc 10-Q - Quarterly Report - 10-Q

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2016 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 1-10427 ROBERT HALF INTERNATIONAL

July 26, 2016 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

Document 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 26, 2016 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation)

July 26, 2016 EX-99.1

- 2 -

Exhibit Exhibit 99.1 FOR IMMEDIATE RELEASE Contact : M. Keith Waddell Vice Chairman, President and Chief Financial Officer (650) 234-6000 ROBERT HALF REPORTS SECOND-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., July 26, 2016 ? Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the second quarter ended June 30, 2016 . For the quarter ended June 30, 2016 , net

May 17, 2016 8-K

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) May 16, 2016 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Commissi

May 6, 2016 10-Q

RHI / Robert Half International, Inc 10-Q - Quarterly Report - 10-Q

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2016 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 1-10427 ROBERT HALF INTERNATIONA

April 26, 2016 EX-99.1

- 2 -

Exhibit Exhibit 99.1 FOR IMMEDIATE RELEASE Contact : M. Keith Waddell Vice Chairman, President and Chief Financial Officer (650) 234-6000 ROBERT HALF REPORTS FIRST-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., April 26, 2016 ? Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the first quarter ended March 31, 2016 . For the quarter ended March 31, 2016 , ne

April 26, 2016 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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 26, 2016 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Co

April 15, 2016 DEF 14A

Robert Half International DEFINITIVE PROXY STATEMENT

Definitive Proxy Statement SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x 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)) x Definitive Proxy Statement ? Definitive Additional Materials ? Soliciting Material Pursuant to Section 240.

March 25, 2016 EX-3.1

BY-LAWS ROBERT HALF INTERNATIONAL INC. ARTICLE I

Exhibit As Amended and Restated Effective March 23, 2016 BY-LAWS OF ROBERT HALF INTERNATIONAL INC.

March 25, 2016 8-K

Robert Half International 8-K (Current Report/Significant Event)

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 23, 2016 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Co

March 24, 2016 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) March 23, 2016 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Co

February 17, 2016 EX-21.1

SUBSIDIARIES OF ROBERT HALF INTERNATIONAL INC.

EXHIBIT 21.1 SUBSIDIARIES OF ROBERT HALF INTERNATIONAL INC. Name of Subsidiary Jurisdiction of Incorporation RH Holding Company, Inc. California Robert Half of California, Inc. California Robert Half Staffing, LLC California Robert Half Temporaries, Inc. California Jersey Temporaries, Inc. Delaware Protiviti Inc. Delaware Protiviti Holdings Inc. Delaware RH-TM Resources, Inc. Delaware Protiviti Go

February 17, 2016 10-K

RHI / Robert Half International, Inc 10-K - Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2015 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number 1-10427 ROBERT HALF INTERNATIONAL INC. (Exact name of registrant as sp

February 11, 2016 SC 13G/A

RHI / Robert Half International, Inc / Wellington Management Group LLP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Robert Half International Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 770323103 (CUSIP Number) December 31, 2015 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to wh

February 10, 2016 SC 13G/A

RHI / Robert Half International, Inc / VANGUARD GROUP INC Passive Investment

roberthalfinternationalinc.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 4 )* Name of issuer: Robert Half International Inc Title of Class of Securities: Common Stock CUSIP Number: 770323103 Date of Event Which Requires Filing of this Statement: December 31, 2015 Check

February 2, 2016 EX-99.1

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Exhibit Exhibit 99.1 FOR IMMEDIATE RELEASE Contact : M. Keith Waddell Vice Chairman, President and Chief Financial Officer (650) 234-6000 ROBERT HALF REPORTS FOURTH-QUARTER AND YEAR-END FINANCIAL RESULTS Annual Earnings Per Share at All-Time High MENLO PARK, Calif., February 2, 2016 ? Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the fourth quarter and

February 2, 2016 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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 2, 2016 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (

November 2, 2015 10-Q

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

10-Q 1 rhi9301510q.htm 10-Q SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2015 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

October 21, 2015 EX-99.1

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Exhibit Exhibit 99.1 FOR IMMEDIATE RELEASE Contact : M. Keith Waddell Vice Chairman, President and Chief Financial Officer (650) 234-6000 ROBERT HALF REPORTS THIRD-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., October 21, 2015 ? Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the third quarter ended September 30, 2015 . For the quarter ended September 30,

October 21, 2015 8-K

Robert Half International 8-K (Current Report/Significant Event)

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) October 21, 2015 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (

August 3, 2015 10-Q

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

10-Q 1 rhi6301510q.htm 10-Q SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2015 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 1-104

July 23, 2015 EX-99.1

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RHI Q2 2015 Ex 99.1 Exhibit 99.1 FOR IMMEDIATE RELEASE Contact : M. Keith Waddell Vice Chairman, President and Chief Financial Officer (650) 234-6000 ROBERT HALF REPORTS SECOND-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., July 23, 2015 ? Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the second quarter ended June 30, 2015 . For the quarter ended June 30

July 23, 2015 8-K

Robert Half International 8-K (Current Report/Significant Event)

RHI Q2 2015 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 23, 2015 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorpo

May 22, 2015 8-K

Robert Half International 8-K (Current Report/Significant Event)

RHI May 2015 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 21, 2015 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorpo

May 13, 2015 CORRESP

Robert Half International ESP

SEC Comments Response Letter 2014 10K 2884 Sand Hill Road T 650.234.6000 Suite 200 Menlo Park, CA 94025 roberthalf.com May 13, 2015 U.S. Securities and Exchange Commission Division of Corporate Finance Washington, D.C. 20549 Attention: Larry Spirgel, Assistant Director Re: Robert Half International Inc. Form 10-K for Fiscal Year Ended December 31, 2014 Filed February 13, 2015 File No. 001-10427 La

May 8, 2015 10-Q

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

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED March 31, 2015 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 1-10427 ROBERT HALF INTERNATIONA

April 23, 2015 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

RHI Q1 2015 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 23, 2015 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorp

April 23, 2015 EX-99.1

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RHI Q1 2015 Ex 99.1 Exhibit 99.1 FOR IMMEDIATE RELEASE Contact : M. Keith Waddell Vice Chairman, President and Chief Financial Officer (650) 234-6000 ROBERT HALF REPORTS FIRST-QUARTER FINANCIAL RESULTS MENLO PARK, Calif., April 23, 2015 ? Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the first quarter ended March 31, 2015 . For the quarter ended March 3

April 21, 2015 DEF 14A

Robert Half International DEFINITIVE PROXY STATEMENT

Definitive Proxy Statement SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x 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)) x Definitive Proxy Statement ? Definitive Additional Materials ? Soliciting Material Pursuant to Section 240.

February 13, 2015 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2014 ¨ TRANSITION REPORT PURSUANT TO SECTI

10-K 1 rhi10k123114.htm 10-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2014 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number 1-10427 ROBERT HALF INTERNATIONAL INC. (E

February 13, 2015 EX-21.1

SUBSIDIARIES OF ROBERT HALF INTERNATIONAL INC.

EXHIBIT 21.1 SUBSIDIARIES OF ROBERT HALF INTERNATIONAL INC. Name of Subsidiary Jurisdiction of Incorporation RH Holding Company, Inc. California Benchmark Staffing Inc. California BMK Resources, Inc. California Robert Half of California, Inc. California Robert Half Staffing, LLC California Robert Half Temporaries, Inc. California Jersey Temporaries, Inc. Delaware Protiviti Inc. Delaware Protiviti

February 12, 2015 SC 13G

RHI / Robert Half International, Inc / Wellington Management Group LLP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Robert Half International Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 770323103 (CUSIP Number) December 31, 2014 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whic

February 10, 2015 SC 13G/A

RHI / Robert Half International, Inc / VANGUARD GROUP INC Passive Investment

roberthalfinternationalinc.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 3 )* Name of issuer: Robert Half International Inc Title of Class of Securities: Common Stock CUSIP Number: 770323103 Date of Event Which Requires Filing of this Statement: December 31, 2014 Check

January 29, 2015 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, 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) January 29, 2015 Robert Half International Inc. (Exact name of registrant as specified in its charter) Delaware 01-10427 94-1648752 (State or other jurisdiction of incorporation) (Comm

January 29, 2015 EX-99.1

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Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: M. Keith Waddell Vice Chairman, President and Chief Financial Officer (650) 234-6000 ROBERT HALF REPORTS FOURTH-QUARTER AND YEAR-END FINANCIAL RESULTS Annual Earnings Per Share at All-Time High MENLO PARK, Calif., January 29, 2015 ? Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the fourth quarter and year ende

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