SASR / Sandy Spring Bancorp, Inc. - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Sandy Spring Bancorp, Inc.
US ˙ NasdaqGS ˙ US8003631038
HINDI NA ACTIVE ANG SIMBONG ITO

Mga Batayang Estadistika
LEI 549300UEM4C23DHLT013
CIK 824410
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 Sandy Spring Bancorp, 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.
April 10, 2025 15-12G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Sandy Spring Bancorp, Inc. (Exact name of registrant as specified in its charter) Maryland 000-1906

April 1, 2025 S-8 POS

As filed with the Securities and Exchange Commission on April 1, 2025

As filed with the Securities and Exchange Commission on April 1, 2025 Registration No.

April 1, 2025 S-8 POS

As filed with the Securities and Exchange Commission on April 1, 2025

As filed with the Securities and Exchange Commission on April 1, 2025 Registration No.

April 1, 2025 S-8 POS

As filed with the Securities and Exchange Commission on April 1, 2025

As filed with the Securities and Exchange Commission on April 1, 2025 Registration No.

April 1, 2025 S-8 POS

As filed with the Securities and Exchange Commission on April 1, 2025

As filed with the Securities and Exchange Commission on April 1, 2025 Registration No.

April 1, 2025 POSASR

As filed with the Securities and Exchange Commission April 1, 2025

As filed with the Securities and Exchange Commission April 1, 2025 Registration No.

April 1, 2025 S-8 POS

As filed with the Securities and Exchange Commission on April 1, 2025

As filed with the Securities and Exchange Commission on April 1, 2025 Registration No.

April 1, 2025 8-K

Changes in Control of Registrant, 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, Material Modification to Rights of Security Holders, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets

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 1, 2025 SANDY SPRING BANCORP, INC. (Exact name of registrant as specified in its charter) Maryland 000-19065 52-1532952 (State or other jurisdiction of incorporation or organiza

April 1, 2025 S-8 POS

As filed with the Securities and Exchange Commission on April 1, 2025

As filed with the Securities and Exchange Commission on April 1, 2025 Registration No.

April 1, 2025 S-8 POS

As filed with the Securities and Exchange Commission on April 1, 2025

As filed with the Securities and Exchange Commission on April 1, 2025 Registration No.

April 1, 2025 S-8 POS

As filed with the Securities and Exchange Commission on April 1, 2025

As filed with the Securities and Exchange Commission on April 1, 2025 Registration No.

April 1, 2025 S-8 POS

As filed with the Securities and Exchange Commission on April 1, 2025

As filed with the Securities and Exchange Commission on April 1, 2025 Registration No.

April 1, 2025 S-8 POS

As filed with the Securities and Exchange Commission on April 1, 2025

As filed with the Securities and Exchange Commission on April 1, 2025 Registration No.

April 1, 2025 S-8 POS

As filed with the Securities and Exchange Commission on April 1, 2025

As filed with the Securities and Exchange Commission on April 1, 2025 Registration No.

April 1, 2025 S-8 POS

As filed with the Securities and Exchange Commission on April 1, 2025

As filed with the Securities and Exchange Commission on April 1, 2025 Registration No.

April 1, 2025 S-8 POS

As filed with the Securities and Exchange Commission on April 1, 2025

As filed with the Securities and Exchange Commission on April 1, 2025 Registration No.

April 1, 2025 S-8 POS

As filed with the Securities and Exchange Commission on April 1, 2025

As filed with the Securities and Exchange Commission on April 1, 2025 Registration No.

March 27, 2025 EX-31.C

Rule 13a-14(a)/15d-14(a) Certification

Exhibit 31 (c) CERTIFICATION Rule 13a-14(a) / 15d-14(a) Certifications I, Daniel J.

March 27, 2025 10-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (Amendment No. 1) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2024 ☐ TRANSITION REPO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (Amendment No. 1) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 0-19065 SANDY SPRING BANCORP, INC. (Exact name of reg

March 27, 2025 EX-31.D

Rule 13a-14(a)/15d-14(a) Certification

Exhibit 31 (d) CERTIFICATION Rule 13a-14(a) / 15d-14(a) Certifications I, Charles S.

February 20, 2025 EX-32.B

18 U.S.C. Section 1350 Certification

Exhibit 32(b) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-K of Sandy Spring Bancorp, Inc. ("Bancorp") for the period ended December 31, 2024, fully complies with the requirements of section 13(a) or 15(d) of the Se

February 20, 2025 EX-31.B

Rule 13a-14(a)/15d-14(a) Certification

Exhibit 31 (b) CERTIFICATION Rule 13a-14(a) / 15d-14(a) Certifications I, Charles S.

February 20, 2025 EX-19

Insider Trading Policy

a2024-07x31polinsidertra Insider Trading Policy Version 2024.1 1 | P a g e Insider Trading Policy Approved by: Board of Directors Approved: July 31, 2024 Insider Trading Policy Version 2024.1 2 | P a g e Table of Contents Table of Contents ..................................................................................................................................... 2 I. Statement of Purpose

February 20, 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 ☐ TRANSITION REPORT PURSUANT TO SECTI

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 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 0-19065 SANDY SPRING BANCORP, INC. (Exact name of registrant as specified

February 20, 2025 EX-31.A

Rule 13a-14(a)/15d-14(a) Certification

Exhibit 31 (a) CERTIFICATION Rule 13a-14(a) / 15d-14(a) Certifications I, Daniel J.

February 20, 2025 EX-32.A

18 U.S.C. Section 1350 Certification

Exhibit 32(a) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-K of Sandy Spring Bancorp, Inc. ("Bancorp") for the period ended December 31, 2024, fully complies with the requirements of section 13(a) or 15(d) of the Se

February 20, 2025 EX-21

Subsidiaries of the Registrant

Exhibit 21 Subsidiaries of the Registrant Name Jurisdiction of Incorporation Sandy Spring Bank Maryland West Financial Services, Inc.* Maryland SSB Wealth Management, Inc.*(1) Maryland *Direct subsidiary of Sandy Spring Bank (1) Does business under the name “Rembert Pendleton Jackson”.

February 5, 2025 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 5, 2025 SANDY SPRING BANCORP, INC. (Exact name of registrant as specified in its charter) Maryland 000-19065 52-1532952 (State or other jurisdiction of incorporation) (Commis

February 5, 2025 EX-99.1

Atlantic Union Bankshares Corporation and Sandy Spring Bancorp, Inc. Announce Receipt of All Shareholder and Bank Regulatory Approvals to Complete Merger

Exhibit 99.1 Atlantic Union Bankshares Corporation and Sandy Spring Bancorp, Inc. Announce Receipt of All Shareholder and Bank Regulatory Approvals to Complete Merger Richmond, Va. and Olney, Md., February 5, 2025 – Atlantic Union Bankshares Corporation (“Atlantic Union”) (NYSE: AUB) and Sandy Spring Bancorp, Inc. (“Sandy Spring”) (NASDAQ: SASR) today jointly announced that Atlantic Union’s shareh

January 28, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2025 SANDY SPRING BANCORP, INC.

January 28, 2025 EX-99.1

SANDY SPRING BANCORP ANNOUNCES FOURTH QUARTER RESULTS

Exhibit 99.1 NEWS RELEASE FOR IMMEDIATE RELEASE SANDY SPRING BANCORP ANNOUNCES FOURTH QUARTER RESULTS OLNEY, MARYLAND, January 28, 2025 — Sandy Spring Bancorp, Inc. (Nasdaq-SASR), the parent company of Sandy Spring Bank, reported a net loss of $39.5 million ($0.87 per diluted common share) for the quarter ended December 31, 2024, compared to net income of $16.2 million ($0.36 per diluted common sh

January 27, 2025 425

* * *

Filed by Atlantic Union Bankshares Corporation (Commission File No.: 001-39325) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 of the Securities Exchange Act of 1934 Subject Company: Sandy Spring Bancorp, Inc. (Commission File No.: 000-19065) This filing relates to the proposed merger of Sandy Spring Bancorp, Inc. (“Sandy Spring”) with and into Atlantic

January 24, 2025 425

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 24, 2025 SANDY SPRING BAN

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 24, 2025 SANDY SPRING BANCORP, INC. (Exact name of registrant as specified in its charter) Maryland 000-19065 52-1532952 (State or other jurisdiction of incorporation) (Commis

January 24, 2025 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 24, 2025 SANDY SPRING BANCORP, INC. (Exact name of registrant as specified in its charter) Maryland 000-19065 52-1532952 (State or other jurisdiction of incorporation) (Commis

January 23, 2025 425

Filed by Atlantic Union Bankshares Corporation

Filed by Atlantic Union Bankshares Corporation (Commission File No.: 001-39325) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 of the Securities Exchange Act of 1934 Subject Company: Sandy Spring Bancorp, Inc. (Commission File No.: 000-19065) The following email was sent to employees of Atlantic Union Bankshares Corporation on January 23, 2025. Heading:

January 14, 2025 EX-99.1

Atlantic Union Bankshares Corporation and Sandy Spring Bancorp, Inc. Announce Receipt of Federal Reserve Approvals to Complete Mergers

Exhibit 99.1 Atlantic Union Bankshares Corporation and Sandy Spring Bancorp, Inc. Announce Receipt of Federal Reserve Approvals to Complete Mergers Richmond, VA. and Olney, MD, January 13, 2025 – Atlantic Union Bankshares Corporation (“Atlantic Union”) (NYSE: AUB) and Sandy Spring Bancorp, Inc. (“Sandy Spring”) (NASDAQ: SASR) jointly announced today the receipt of regulatory approvals from the Fed

January 14, 2025 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 13, 2025 SANDY SPRING BANCORP, INC. (Exact name of registrant as specified in its charter) Maryland 000-19065 52-1532952 (State or other jurisdiction of incorporation) (Commis

January 14, 2025 EX-99.1

Atlantic Union Bankshares Corporation and Sandy Spring Bancorp, Inc. Announce Receipt of Federal Reserve Approvals to Complete Mergers

Exhibit 99.1 Atlantic Union Bankshares Corporation and Sandy Spring Bancorp, Inc. Announce Receipt of Federal Reserve Approvals to Complete Mergers Richmond, VA. and Olney, MD, January 13, 2025 – Atlantic Union Bankshares Corporation (“Atlantic Union”) (NYSE: AUB) and Sandy Spring Bancorp, Inc. (“Sandy Spring”) (NASDAQ: SASR) jointly announced today the receipt of regulatory approvals from the Fed

January 14, 2025 425

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 13, 2025 SANDY SPRING BAN

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 13, 2025 SANDY SPRING BANCORP, INC. (Exact name of registrant as specified in its charter) Maryland 000-19065 52-1532952 (State or other jurisdiction of incorporation) (Commis

January 2, 2025 EX-10.1

Form of Acceleration and Clawback Agreement

Exhibit 10.1 Form of Acceleration and Clawback Agreement As you are aware, on October 21, 2024, Sandy Spring Bancorp, Inc., a Maryland corporation (the “Company”) entered into an Agreement and Plan of Merger (“Merger Agreement”) with Atlantic Union Bankshares Corporation, a Virginia corporation (“AUB”) providing for the merger of the Company with and into AUB (the “Merger”), whereupon the separate

January 2, 2025 EX-10.1

Form of Acceleration and Clawback Agreement

Exhibit 10.1 Form of Acceleration and Clawback Agreement As you are aware, on October 21, 2024, Sandy Spring Bancorp, Inc., a Maryland corporation (the “Company”) entered into an Agreement and Plan of Merger (“Merger Agreement”) with Atlantic Union Bankshares Corporation, a Virginia corporation (“AUB”) providing for the merger of the Company with and into AUB (the “Merger”), whereupon the separate

January 2, 2025 425

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 26, 2024 SANDY SPRING BA

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 26, 2024 SANDY SPRING BANCORP, INC. (Exact name of registrant as specified in its charter) Maryland 000-19065 52-1532952 (State or other jurisdiction of incorporation) (Commi

January 2, 2025 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): December 26, 2024 SANDY SPRING BANCORP, INC. (Exact name of registrant as specified in its charter) Maryland 000-19065 52-1532952 (State or other jurisdiction of incorporation) (Commi

December 17, 2024 DEFM14A

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

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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

November 8, 2024 EX-31.B

Certification of Chief Financial Officer pursuant to Rule 13a-14(a)/15d-14(a)

Exhibit 31 (b) CERTIFICATION I, Charles S. Cullum, Executive Vice President and Chief Financial Officer of Sandy Spring Bancorp, Inc. (“Bancorp”), certify that: 1.I have reviewed this quarterly report on Form 10-Q of Sandy Spring Bancorp, Inc. 2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the stateme

November 8, 2024 EX-31.A

Certification of Chief Executive Officer pursuant to Rule 13a-14(a)/15d-14(a)

Exhibit 31 (a) CERTIFICATION Rule 13a-14(a) / 15d-14(a) Certifications I, Daniel J.

November 8, 2024 EX-32.B

Certification of Chief Financial Officer pursuant to 18 U.S. Section 1350

Exhibit 32 (b) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-Q of Sandy Spring Bancorp, Inc. (“Bancorp”) for the quarterly period ended September 30, 2024, fully complies with the requirements of section 13(a) or 15(

November 8, 2024 EX-32.A

Certification of Chief Executive Officer pursuant to 18 U.S. Section 1350

Exhibit 32 (a) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-Q of Sandy Spring Bancorp, Inc. (“Bancorp”) for the quarterly period ended September 30, 2024, fully complies with the requirements of section 13(a) or 15(

November 8, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended September 30, 2024 ☐ TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ 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: 0-19065 SANDY SPRING BANCO

October 31, 2024 SC 13G

SASR / Sandy Spring Bancorp, Inc. / DIMENSIONAL FUND ADVISORS LP - SEC SCHEDULE 13G Passive Investment

SC 13G 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. )* Sandy Spring Bancorp Inc (Name of Issuer) Common Stock (Title of Class of Securities) 800363103 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of this Statement) Check the appropriate box

October 28, 2024 425

Click here to view disclosures.

Filed by Atlantic Union Bankshares Corporation (Commission File No.: 001-39325) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Sandy Spring Bancorp, Inc. (Commission File No.: 000-19065) The following materials were shared by Atlantic Union Bankshares Corporation (the “Company”) on October 25, 2024

October 21, 2024 EX-2.1

Agreement and Plan of Merger, dated as of October 21, 2024, between Atlantic Union Bankshares Corporation and Sandy Spring Bancorp, Inc.*

Exhibit 2.1 Execution Version AGREEMENT AND PLAN OF MERGER by and between SANDY SPRING BANCORP, INC. and ATLANTIC UNION BANKSHARES CORPORATION Dated as of October 21, 2024 TABLE OF CONTENTS Article I THE MERGER 2 1.1 The Merger 2 1.2 Closing 2 1.3 Effective Time 3 1.4 Effects of the Merger. 3 1.5 Conversion of SASR Common Stock. 3 1.6 AUB Stock 4 1.7 Treatment of SASR Equity Awards 4 1.8 SASR ESPP

October 21, 2024 EX-2.1

Agreement and Plan of Merger, dated as of October 21, 2024, between Atlantic Union Bankshares Corporation and Sandy Spring Bancorp, Inc.*

Exhibit 2.1 Execution Version AGREEMENT AND PLAN OF MERGER by and between SANDY SPRING BANCORP, INC. and ATLANTIC UNION BANKSHARES CORPORATION Dated as of October 21, 2024 TABLE OF CONTENTS Article I THE MERGER 2 1.1 The Merger 2 1.2 Closing 2 1.3 Effective Time 3 1.4 Effects of the Merger. 3 1.5 Conversion of SASR Common Stock. 3 1.6 AUB Stock 4 1.7 Treatment of SASR Equity Awards 4 1.8 SASR ESPP

October 21, 2024 425

Click here to view disclosures.

Filed by Atlantic Union Bankshares Corporation (Commission File No.: 001-39325) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Sandy Spring Bancorp, Inc. (Commission File No.: 000-19065) The following email was sent to employees of Atlantic Union Bankshares Corporation on October 21, 2024. Header:

October 21, 2024 425

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, 2024 SANDY SPRING BAN

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, 2024 SANDY SPRING BANCORP, INC. (Exact name of registrant as specified in its charter) Maryland 000-19065 52-1532952 (State or other jurisdiction of incorporation) (Commis

October 21, 2024 EX-99.1

Atlantic Union Bankshares Corporation Announces Agreement to Acquire Sandy Spring Bancorp

Exhibit 99.1 Atlantic Union Bankshares Corporation Announces Agreement to Acquire Sandy Spring Bancorp Richmond, Va. and Olney, Md., October 21, 2024 – Atlantic Union Bankshares Corporation (“Atlantic Union”) (NYSE: AUB) and Sandy Spring Bancorp (“Sandy Spring”) (Nasdaq: SASR) jointly announced today that they have entered into a definitive merger agreement for Atlantic Union to acquire Sandy Spri

October 21, 2024 425

*****

Filed by Sandy Spring Bancorp, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed to be filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Sandy Spring Bancorp, Inc. Commission File No.: 000-19065 Date: October 21, 2024 The following communication was made by Sandy Spring Bancorp, Inc. (“SASR”) in connection with the proposed merger between

October 21, 2024 425

Filed by Atlantic Union Bankshares Corporation

Filed by Atlantic Union Bankshares Corporation (Commission File No.: 001-39325) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Sandy Spring Bancorp, Inc. (Commission File No.: 000-19065) The following LinkedIn post was issued by Atlantic Union Bankshares Corporation on October 21, 2024. Cautionary

October 21, 2024 EX-10.1

Support Agreement, dated as of October 21, 2024, by and between Sandy Spring Bancorp, Inc. and each of the shareholders of Atlantic Union Bankshares Corporation listed on the signature pages therein

Exhibit 10.1 EXECUTION VERSION Certain identified information has been excluded from the exhibit pursuant to Item 601(a)(6) of Regulation S-K. The excluded information is indicated by inserting the caption “[Redacted]” where such information is omitted. AUB SUPPORT AGREEMENT This Support Agreement (this “Agreement”), dated as of October 21, 2024, is entered into by and among Sandy Spring Bancorp,

October 21, 2024 425

Filed by Atlantic Union Bankshares Corporation

Filed by Atlantic Union Bankshares Corporation (Commission File No.: 001-39325) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Sandy Spring Bancorp, Inc. (Commission File No.: 000-19065) The following is a transcript of a video broadcast by Atlantic Union Bankshares Corporation on October 21, 2024.

October 21, 2024 EX-99.1

SANDY SPRING BANCORP REPORTS THIRD QUARTER EARNINGS OF $16.2 MILLION

Exhibit 99.1 NEWS RELEASE FOR IMMEDIATE RELEASE SANDY SPRING BANCORP REPORTS THIRD QUARTER EARNINGS OF $16.2 MILLION OLNEY, MARYLAND, October 21, 2024 — Sandy Spring Bancorp, Inc. (Nasdaq-SASR), the parent company of Sandy Spring Bank, reported net income of $16.2 million ($0.36 per diluted common share) for the quarter ended September 30, 2024, compared to net income of $22.8 million ($0.51 per d

October 21, 2024 EX-10.1

Support Agreement, dated as of October 21, 2024, by and between Sandy Spring Bancorp, Inc. and each of the shareholders of Atlantic Union Bankshares Corporation listed on the signature pages therein

Exhibit 10.1 EXECUTION VERSION Certain identified information has been excluded from the exhibit pursuant to Item 601(a)(6) of Regulation S-K. The excluded information is indicated by inserting the caption “[Redacted]” where such information is omitted. AUB SUPPORT AGREEMENT This Support Agreement (this “Agreement”), dated as of October 21, 2024, is entered into by and among Sandy Spring Bancorp,

October 21, 2024 EX-99.2

Completing the “Golden Crescent” NYSE: AUB October 21, 2024 Merger Investor Presentation

Exhibit 99.2 Completing the “Golden Crescent” NYSE: AUB October 21, 2024 Merger Investor Presentation Disclaimer and Caution About Forward - Looking Statements THE INFORMATION CONTAINED IN THIS PRESENTATION IS CONFIDENTIAL INFORMATION. ACCORDINGLY, THE INFORMATION INCLUDED HEREIN MAY NOT BE REFERRED TO, QUOTED OR OTHERWISE DISCLOSED BY YOU. IN REVIEWING THIS INFORMATION, YOU ARE ACKNOWLEDGING THE

October 21, 2024 425

Atlantic Union Bankshares Corporation’s Proposed Acquisition of Sandy Spring Bancorp, Inc. Frequently Asked Questions October 21, 2024

Filed by Atlantic Union Bankshares Corporation (Commission File No.: 001-39325) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Sandy Spring Bancorp, Inc. (Commission File No.: 000-19065) The following materials were shared with certain employees of Atlantic Union Bankshares Corporation on October 2

October 21, 2024 425

Filed by Atlantic Union Bankshares Corporation

Filed by Atlantic Union Bankshares Corporation (Commission File No.: 001-39325) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Sandy Spring Bancorp, Inc. (Commission File No.: 000-19065) The following Facebook post was issued by Atlantic Union Bankshares Corporation on October 21, 2024. Cautionary

October 21, 2024 EX-99.2

Completing the “Golden Crescent” NYSE: AUB October 21, 2024 Merger Investor Presentation

Exhibit 99.2 Completing the “Golden Crescent” NYSE: AUB October 21, 2024 Merger Investor Presentation Disclaimer and Caution About Forward - Looking Statements THE INFORMATION CONTAINED IN THIS PRESENTATION IS CONFIDENTIAL INFORMATION. ACCORDINGLY, THE INFORMATION INCLUDED HEREIN MAY NOT BE REFERRED TO, QUOTED OR OTHERWISE DISCLOSED BY YOU. IN REVIEWING THIS INFORMATION, YOU ARE ACKNOWLEDGING THE

October 21, 2024 425

*****

Filed by Sandy Spring Bancorp, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed to be filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Sandy Spring Bancorp, Inc. Commission File No.: 000-19065 Date: October 21, 2024 The following communication was made by Sandy Spring Bancorp, Inc. (“SASR”) in connection with the proposed merger between

October 21, 2024 425

Filed by Atlantic Union Bankshares Corporation

Filed by Atlantic Union Bankshares Corporation (Commission File No.: 001-39325) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Sandy Spring Bancorp, Inc. (Commission File No.: 000-19065) The following is a transcript of the Atlantic Union Bankshares Corporation Third Quarter 2024 Earnings Conferenc

October 21, 2024 425

*****

Filed by Sandy Spring Bancorp, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed to be filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Sandy Spring Bancorp, Inc. Commission File No.: 000-19065 Date: October 21, 2024 The following communication was made by Sandy Spring Bancorp, Inc. (“SASR”) in connection with the proposed merger between

October 21, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2024 SANDY SPRING BANCORP, INC.

October 21, 2024 425

Atlantic Union Bankshares Corporation’s Proposed Acquisition of Sandy Spring Bancorp, Inc. Frequently Asked Questions October 21, 2024

Filed by Sandy Spring Bancorp, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed to be filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Sandy Spring Bancorp, Inc. Commission File No.: 000-19065 Date: October 21, 2024 The following communication was made by Sandy Spring Bancorp, Inc. (“SASR”) in connection with the proposed merger between

October 21, 2024 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 21, 2024 SANDY SPRING BANCORP, INC. (Exact name of registrant as specified in its charter) Maryland 000-19065 52-1532952 (State or other jurisdiction of incorporation) (Commis

October 21, 2024 EX-99.1

Atlantic Union Bankshares Corporation Announces Agreement to Acquire Sandy Spring Bancorp

Exhibit 99.1 Atlantic Union Bankshares Corporation Announces Agreement to Acquire Sandy Spring Bancorp Richmond, Va. and Olney, Md., October 21, 2024 – Atlantic Union Bankshares Corporation (“Atlantic Union”) (NYSE: AUB) and Sandy Spring Bancorp (“Sandy Spring”) (Nasdaq: SASR) jointly announced today that they have entered into a definitive merger agreement for Atlantic Union to acquire Sandy Spri

October 21, 2024 425

*****

Filed by Sandy Spring Bancorp, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed to be filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Sandy Spring Bancorp, Inc. Commission File No.: 000-19065 Date: October 21, 2024 The following is a transcript of a video broadcast by Sandy Spring Bancorp, Inc. on October 21, 2024. Sandy Spring Video Tr

August 9, 2024 EX-31.B

Certification of Chief Financial Officer pursuant to Rule 13a-14(a)/15d-14(a)

Exhibit 31 (b) CERTIFICATION I, Charles S. Cullum, Executive Vice President and Chief Financial Officer of Sandy Spring Bancorp, Inc. (“Bancorp”), certify that: 1.I have reviewed this quarterly report on Form 10-Q of Sandy Spring Bancorp, Inc. 2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the stateme

August 9, 2024 EX-31.A

Certification of Chief Executive Officer pursuant to Rule 13a-14(a)/15d-14(a)

Exhibit 31 (a) CERTIFICATION Rule 13a-14(a) / 15d-14(a) Certifications I, Daniel J.

August 9, 2024 EX-32.A

Certification of Chief Executive Officer pursuant to 18 U.S. Section 1350

Exhibit 32 (a) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-Q of Sandy Spring Bancorp, Inc. (“Bancorp”) for the quarterly period ended June 30, 2024, fully complies with the requirements of section 13(a) or 15(d) of

August 9, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 9, 2024 SANDY SPRING BANCORP, INC.

August 9, 2024 EX-32.B

Certification of Chief Financial Officer pursuant to 18 U.S. Section 1350

Exhibit 32 (b) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-Q of Sandy Spring Bancorp, Inc. (“Bancorp”) for the quarterly period ended June 30, 2024, fully complies with the requirements of section 13(a) or 15(d) of

August 9, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended June 30, 2024 ☐ TRANSITION REPORT PURSUANT TO S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ 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: 0-19065 SANDY SPRING BANCORP, I

July 23, 2024 EX-99.1

SANDY SPRING BANCORP REPORTS SECOND QUARTER EARNINGS OF $22.8 MILLION

Exhibit 99.1 NEWS RELEASE FOR IMMEDIATE RELEASE SANDY SPRING BANCORP REPORTS SECOND QUARTER EARNINGS OF $22.8 MILLION OLNEY, MARYLAND, July 23, 2024 — Sandy Spring Bancorp, Inc. (Nasdaq-SASR), the parent company of Sandy Spring Bank, reported net income of $22.8 million ($0.51 per diluted common share) for the quarter ended June 30, 2024, compared to net income of $20.4 million ($0.45 per diluted

July 23, 2024 EX-99.2

Second Quarter 2024 Earnings Presentation July 23, 2024 Second Quarter 2024 Results 2Q 2024 Highlights1 • Total core customer deposit growth of $271.2 million (+3%), total deposit growth of $113.0 million (+1%) • Total loans of 11.5 billion (+1%) • N

Second Quarter 2024 Earnings Presentation July 23, 2024 Second Quarter 2024 Results 2Q 2024 Highlights1 • Total core customer deposit growth of $271.

July 23, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2024 SANDY SPRING BANCORP, INC.

June 25, 2024 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (Mark One) (X) ANNUAL REPORT P

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (Mark One) (X) ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the fiscal year ended December 31, 2023. OR ( ) TRANSITION REPORT PURSUANT TO SEC

May 23, 2024 EX-99.1

Sandy Spring Bancorp’s Board of Directors Appoints Charles S. Cullum Chief Financial Officer Philip J. Mantua to Support Leadership Transition Through End of Year OLNEY, MARYLAND, May 23, 2024 — The Board of Directors of Sandy Spring Bancorp, Inc. (N

Sandy Spring Bancorp’s Board of Directors Appoints Charles S. Cullum Chief Financial Officer Philip J. Mantua to Support Leadership Transition Through End of Year OLNEY, MARYLAND, May 23, 2024 — The Board of Directors of Sandy Spring Bancorp, Inc. (Nasdaq- SASR), today announced the appointment of Charles S. Cullum to Chief Financial Officer. Cullum was promoted from Deputy Chief Financial Officer

May 23, 2024 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, DC 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, 2024 SANDY SPRING BANCORP, INC.

May 23, 2024 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2024 SANDY SPRING BANCORP, INC.

May 22, 2024 EX-FILING FEES

Calculation of Filing Fee Table*

Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) Sandy Spring Bancorp, Inc.

May 22, 2024 S-8

As filed with the Securities and Exchange Commission on May 22, 2024

As filed with the Securities and Exchange Commission on May 22, 2024 Registration No.

May 22, 2024 EX-4.4

Form of Restricted Stock Unit Award Agreement (Time-Based Vesting)*

Exhibit 4.4 FORM OF SANDY SPRING BANCORP, INC. 2024 EQUITY PLAN RESTRICTED STOCK UNIT AWARD AGREEMENT (Time-Based Vesting) This Restricted Stock Unit Award Agreement (this “Agreement”) is made effective , 20 (the “Grant Date”) and evidences the Restricted Stock Unit Award (“RSU Award”) made to [] (“Grantee”) by Sandy Spring Bancorp, Inc., a Maryland corporation (the “Company”), pursuant to the Com

May 22, 2024 EX-4.3

Form of Performance Restricted Stock Unit Award Agreement*

Exhibit 4.3 FORM OF SANDY SPRING BANCORP, INC. 2024 EQUITY PLAN PERFORMANCE RESTRICTED STOCK UNIT AWARD AGREEMENT This Performance Restricted Stock Unit Award Agreement (this “Agreement”) is made effective , 20 (the “Grant Date”) and evidences the Restricted Stock Unit Award (“RSU Award”) made to [] (“Grantee”) by Sandy Spring Bancorp, Inc., a Maryland corporation (the “Company”), pursuant to the

May 22, 2024 S-8 POS

As filed with the Securities and Exchange Commission on May 22, 2024

As filed with the Securities and Exchange Commission on May 22, 2024 Registration No.

May 22, 2024 EX-4.5

Form of Restricted Stock Unit Award Agreement*

Exhibit 4.5 FORM OF SANDY SPRING BANCORP, INC. 2024 EQUITY PLAN RESTRICTED STOCK UNIT AWARD AGREEMENT This Restricted Stock Unit Award Agreement (this “Agreement”) is made effective , 20 (the “Grant Date”) and evidences the Restricted Stock Unit Award (“RSU Award”) made to [] (“Grantee”) by Sandy Spring Bancorp, Inc., a Maryland corporation (the “Company”), pursuant to the Company’s 2024 Equity Pl

May 3, 2024 EX-31.A

Certification of Chief Executive Officer pursuant to Rule 13a-14(a)/15d-14(a)

Exhibit 31 (a) CERTIFICATION Rule 13a-14(a) / 15d-14(a) Certifications I, Daniel J.

May 3, 2024 EX-32.B

Certification of Chief Financial Officer pursuant to 18 U.S. Section 1350

Exhibit 32 (b) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-Q of Sandy Spring Bancorp, Inc. (“Bancorp”) for the quarterly period ended March 31, 2024, fully complies with the requirements of section 13(a) or 15(d) o

May 3, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended March 31, 2024 ☐ TRANSITION REPORT PURSUANT TO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ 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: 0-19065 SANDY SPRING BANCORP,

May 3, 2024 EX-31.B

Certification of Chief Financial Officer pursuant to Rule 13a-14(a)/15d-14(a)

Exhibit 31 (b) CERTIFICATION I, Philip J. Mantua, Executive Vice President and Chief Financial Officer of Sandy Spring Bancorp, Inc. (“Bancorp”), certify that: 1.I have reviewed this quarterly report on Form 10-Q of Sandy Spring Bancorp, Inc. 2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statemen

May 3, 2024 EX-32.A

Certification of Chief Executive Officer pursuant to 18 U.S. Section 1350

Exhibit 32 (a) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-Q of Sandy Spring Bancorp, Inc. (“Bancorp”) for the quarterly period ended March 31, 2024, fully complies with the requirements of section 13(a) or 15(d) o

May 3, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 3, 2024 SANDY SPRING BANCORP, INC.

April 23, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2024 SANDY SPRING BANCORP, INC.

April 23, 2024 EX-99.1

SANDY SPRING BANCORP REPORTS FIRST QUARTER EARNINGS OF $20.4 MILLION

Exhibit 99.1 NEWS RELEASE FOR IMMEDIATE RELEASE SANDY SPRING BANCORP REPORTS FIRST QUARTER EARNINGS OF $20.4 MILLION OLNEY, MARYLAND, April 23, 2024 — Sandy Spring Bancorp, Inc. (Nasdaq-SASR), the parent company of Sandy Spring Bank, reported net income of $20.4 million ($0.45 per diluted common share) for the quarter ended March 31, 2024, compared to net income of $26.1 million ($0.58 per diluted

April 23, 2024 EX-99.2

First Quarter 2024 Earnings Presentation April 23, 2024 First Quarter 2024 Results 1Q 2024 Highlights1 • Total core customer deposit growth of $286.6 million (+3%), total deposit growth of $230.7 million • Total loans remained flat at $11.4 billion •

First Quarter 2024 Earnings Presentation April 23, 2024 First Quarter 2024 Results 1Q 2024 Highlights1 • Total core customer deposit growth of $286.

April 10, 2024 DEFA14A

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

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

April 10, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the app

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

March 28, 2024 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-3 (Form Type) Sandy Spring Bancorp, Inc.

March 28, 2024 EX-4.5

Form of Indenture for Senior Debt Securities

Exhibit 4.5 SANDY SPRING BANCORP, INC. SENIOR DEBT INDENTURE DATED AS OF [•] [•], AS TRUSTEE TABLE OF CONTENTS Page Number ARTICLE I DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.1 Definitions 1 Section 1.2 Other Definitions 4 Section 1.3 Incorporation by Reference of Trust Indenture Act 4 Section 1.4 Rules of Construction 5 ARTICLE II THE SECURITIES 5 Section 2.1 Issuable in Series 5 Sec

March 28, 2024 EX-4.6

Form of Indenture for Subordinated Debt Securities

Exhibit 4.6 SANDY SPRING BANCORP, INC. SUBORDINATED INDENTURE DATED AS OF [•] [•], AS TRUSTEE TABLE OF CONTENTS Page Number ARTICLE I DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.1 Definitions 1 Section 1.2 Other Definitions 6 Section 1.3 Incorporation by Reference of Trust Indenture Act 6 Section 1.4 Rules of Construction 6 ARTICLE II THE SECURITIES 7 Section 2.1 Issuable in Series 7 Se

March 28, 2024 S-3ASR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SANDY SPRING BANCORP, INC. (Exact name of registrant as specified in its charter) Maryland 52-1532952 (State or o

Table of Contents As filed with the Securities and Exchange Commission on March 28, 2024 Registration No.

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 ☐ TRANSITION REPORT PURSUANT TO SECTI

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 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 0-19065 SANDY SPRING BANCORP, INC. (Exact name of registrant as specified

February 20, 2024 EX-97

Clawback Policy

Clawback Policy Version 2023.1 1 | P a g e Clawback Policy Approved by: Board of Directors Approved: September 27, 2023 Clawback Policy Version 2023.1 2 | P a g e Table of Contents Table of Contents ..................................................................................................................................... 2 I. Statement of Purpose and Scope ...............................

February 20, 2024 EX-32.A

18 U.S.C. Section 1350 Certification

Exhibit 32(a) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-K of Sandy Spring Bancorp, Inc. ("Bancorp") for the period ended December 31, 2023, fully complies with the requirements of section 13(a) or 15(d) of the Se

February 20, 2024 EX-31.A

Rule 13a-14(a)/15d-14(a) Certification

Exhibit 31 (a) CERTIFICATION Rule 13a-14(a) / 15d-14(a) Certifications I, Daniel J.

February 20, 2024 EX-21

Subsidiaries of the Registrant

Exhibit 21 Subsidiaries of the Registrant Name Jurisdiction of Incorporation Sandy Spring Bank Maryland West Financial Services, Inc.* Maryland SSB Wealth Management, Inc.*(1) Maryland *Direct subsidiary of Sandy Spring Bank (1) Does business under the name “Rembert Pendleton Jackson”.

February 20, 2024 EX-31.B

Rule 13a-14(a)/15d-14(a) Certification

Exhibit 31 (b) CERTIFICATION Rule 13a-14(a) / 15d-14(a) Certifications I, Philip J.

February 20, 2024 EX-32.B

18 U.S.C. Section 1350 Certification

Exhibit 32(b) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-K of Sandy Spring Bancorp, Inc. ("Bancorp") for the period ended December 31, 2023, fully complies with the requirements of section 13(a) or 15(d) of the Se

February 13, 2024 SC 13G/A

SASR / Sandy Spring Bancorp, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01873-sandyspringbancorpin.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 4)* Name of issuer: Sandy Spring Bancorp Inc Title of Class of Securities: Common Stock CUSIP Number: 800363103 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box t

February 9, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 9, 2024 SANDY SPRING BANCORP, INC.

February 9, 2024 SC 13G/A

SASR / Sandy Spring Bancorp, Inc. / DIMENSIONAL FUND ADVISORS LP - 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. 10 )* Sandy Spring Bancorp Inc (Name of Issuer) Common Stock (Title of Class of Securities) 800363103 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which t

January 23, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 23, 2024 SANDY SPRING BANCORP, INC.

January 23, 2024 EX-99.1

SANDY SPRING BANCORP REPORTS FOURTH QUARTER EARNINGS OF $26.1 MILLION

Exhibit 99.1 NEWS RELEASE FOR IMMEDIATE RELEASE SANDY SPRING BANCORP REPORTS FOURTH QUARTER EARNINGS OF $26.1 MILLION OLNEY, MARYLAND, January 23, 2024 — Sandy Spring Bancorp, Inc. (Nasdaq-SASR), the parent company of Sandy Spring Bank, reported net income of $26.1 million ($0.58 per diluted common share) for the quarter ended December 31, 2023, compared to net income of $20.7 million ($0.46 per d

January 23, 2024 EX-99.2

4th Quarter 2023 Earnings Presentation January 23, 2024 1 2 Subtitle Copy Sandy Spring Bancorp’s forward-looking statements are subject to significant risks and uncertainties that may cause actual results to differ materially from those in such state

4th Quarter 2023 Earnings Presentation January 23, 2024 1 2 Subtitle Copy Sandy Spring Bancorp’s forward-looking statements are subject to significant risks and uncertainties that may cause actual results to differ materially from those in such statements.

January 23, 2024 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, DC 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 23, 2024 SANDY SPRING BANCORP, INC.

November 6, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2023 SANDY SPRING BANCORP, INC.

November 3, 2023 EX-32.B

Certification of Chief Financial Officer pursuant to 18 U.S. Section 1350

Exhibit 32 (b) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-Q of Sandy Spring Bancorp, Inc. (“Bancorp”) for the quarterly period ended September 30, 2023, fully complies with the requirements of section 13(a) or 15(

November 3, 2023 EX-31.B

Certification of Chief Financial Officer pursuant to Rule 13a-14(a)/15d-14(a)

Exhibit 31 (b) CERTIFICATION I, Philip J. Mantua, Executive Vice President and Chief Financial Officer of Sandy Spring Bancorp, Inc. (“Bancorp”), certify that: 1.I have reviewed this quarterly report on Form 10-Q of Sandy Spring Bancorp, Inc. 2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statemen

November 3, 2023 EX-31.A

Certification of Chief Executive Officer pursuant to Rule 13a-14(a)/15d-14(a)

Exhibit 31 (a) CERTIFICATION Rule 13a-14(a) / 15d-14(a) Certifications I, Daniel J.

November 3, 2023 EX-32.A

Certification of Chief Executive Officer pursuant to 18 U.S. Section 1350

Exhibit 32 (a) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-Q of Sandy Spring Bancorp, Inc. (“Bancorp”) for the quarterly period ended September 30, 2023, fully complies with the requirements of section 13(a) or 15(

November 3, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended September 30, 2023 ☐ TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ 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: 0-19065 SANDY SPRING BANCO

October 24, 2023 EX-99.2

3rd Quarter 2023 Earnings Presentation October 24, 2023 1 2 Subtitle Copy Sandy Spring Bancorp’s forward-looking statements are subject to significant risks and uncertainties that may cause actual results to differ materially from those in such state

3rd Quarter 2023 Earnings Presentation October 24, 2023 1 2 Subtitle Copy Sandy Spring Bancorp’s forward-looking statements are subject to significant risks and uncertainties that may cause actual results to differ materially from those in such statements.

October 24, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 SANDY SPRING BANCORP, INC.

October 24, 2023 EX-99.1

SANDY SPRING BANCORP REPORTS THIRD QUARTER EARNINGS OF $20.7 MILLION

Exhibit 99.1 NEWS RELEASE FOR IMMEDIATE RELEASE SANDY SPRING BANCORP REPORTS THIRD QUARTER EARNINGS OF $20.7 MILLION OLNEY, MARYLAND, October 24, 2023 — Sandy Spring Bancorp, Inc. (Nasdaq-SASR), the parent company of Sandy Spring Bank, reported net income of $20.7 million ($0.46 per diluted common share) for the quarter ended September 30, 2023, compared to net income of $24.7 million ($0.55 per d

September 29, 2023 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, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 26, 2023 SANDY SPRING BANCORP, INC.

August 25, 2023 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 25, 2023 SANDY SPRING BANCORP, INC.

August 4, 2023 EX-31.B

Certification of Chief Financial Officer pursuant to Rule 13a-14(a)/15d-14(a)

Exhibit 31 (b) CERTIFICATION I, Philip J. Mantua, Executive Vice President and Chief Financial Officer of Sandy Spring Bancorp, Inc. (“Bancorp”), certify that: 1.I have reviewed this quarterly report on Form 10-Q of Sandy Spring Bancorp, Inc. 2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statemen

August 4, 2023 EX-32.A

Certification of Chief Executive Officer pursuant to 18 U.S. Section 1350

Exhibit 32 (a) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-Q of Sandy Spring Bancorp, Inc. (“Bancorp”) for the quarterly period ended June 30, 2023, fully complies with the requirements of section 13(a) or 15(d) of

August 4, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended June 30, 2023 ☐ TRANSITION REPORT PURSUANT TO S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ 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: 0-19065 SANDY SPRING BANCORP, I

August 4, 2023 EX-32.B

Certification of Chief Financial Officer pursuant to 18 U.S. Section 1350

Exhibit 32 (b) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-Q of Sandy Spring Bancorp, Inc. (“Bancorp”) for the quarterly period ended June 30, 2023, fully complies with the requirements of section 13(a) or 15(d) of

August 4, 2023 EX-31.A

Certification of Chief Executive Officer pursuant to Rule 13a-14(a)/15d-14(a)

Exhibit 31 (a) CERTIFICATION Rule 13a-14(a) / 15d-14(a) Certifications I, Daniel J.

August 4, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 4, 2023 SANDY SPRING BANCORP

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 4, 2023 SANDY SPRING BANCORP, INC.

July 25, 2023 EX-99.1

SANDY SPRING BANCORP REPORTS SECOND QUARTER EARNINGS OF $24.7 MILLION

Exhibit 99.1 NEWS RELEASE FOR IMMEDIATE RELEASE SANDY SPRING BANCORP REPORTS SECOND QUARTER EARNINGS OF $24.7 MILLION OLNEY, MARYLAND, July 25, 2023 — Sandy Spring Bancorp, Inc. (Nasdaq-SASR), the parent company of Sandy Spring Bank, reported net income of $24.7 million ($0.55 per diluted common share) for the quarter ended June 30, 2023, compared to net income of $51.3 million ($1.14 per diluted

July 25, 2023 EX-99.2

2nd Quarter 2023 Earnings Presentation July 25, 2023 1 2 Subtitle Copy Sandy Spring Bancorp’s forward-looking statements are subject to significant risks and uncertainties that may cause actual results to differ materially from those in such statemen

a2ndquarter2023investorp 2nd Quarter 2023 Earnings Presentation July 25, 2023 1 2 Subtitle Copy Sandy Spring Bancorp’s forward-looking statements are subject to significant risks and uncertainties that may cause actual results to differ materially from those in such statements.

July 25, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 SANDY SPRING BANCORP,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 SANDY SPRING BANCORP, INC.

June 29, 2023 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

11-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

May 25, 2023 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2023 SANDY SPRING BANCORP, INC.

May 5, 2023 EX-32.B

Certification of Chief Financial Officer pursuant to 18 U.S. Section 1350

Exhibit 32 (b) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-Q of Sandy Spring Bancorp, Inc. (“Bancorp”) for the quarterly period ended March 31, 2023, fully complies with the requirements of section 13(a) or 15(d) o

May 5, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended March 31, 2023 ☐ TRANSITION REPORT PURSUANT TO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ 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: 0-19065 SANDY SPRING BANCORP,

May 5, 2023 EX-31.B

Certification of Chief Financial Officer pursuant to Rule 13a-14(a)/15d-14(a)

Exhibit 31 (b) CERTIFICATION I, Philip J. Mantua, Executive Vice President and Chief Financial Officer of Sandy Spring Bancorp, Inc. (“Bancorp”), certify that: 1.I have reviewed this quarterly report on Form 10-Q of Sandy Spring Bancorp, Inc. 2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statemen

May 5, 2023 EX-32.A

Certification of Chief Executive Officer pursuant to 18 U.S. Section 1350

Exhibit 32 (a) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-Q of Sandy Spring Bancorp, Inc. (“Bancorp”) for the quarterly period ended March 31, 2023, fully complies with the requirements of section 13(a) or 15(d) o

May 5, 2023 EX-31.A

Certification of Chief Executive Officer pursuant to Rule 13a-14(a)/15d-14(a)

Exhibit 31 (a) CERTIFICATION Rule 13a-14(a) / 15d-14(a) Certifications I, Daniel J.

May 5, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 5, 2023 SANDY SPRING BANCORP, INC.

April 26, 2023 DEFA14A

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

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

April 20, 2023 EX-99.2

1st Quarter 2023 Earnings Presentation April 20, 2023 1 2 Subtitle Copy Sandy Spring Bancorp’s forward-looking statements are subject to significant risks and uncertainties that may cause actual results to differ materially from those in such stateme

a1stquarter2023supplemen 1st Quarter 2023 Earnings Presentation April 20, 2023 1 2 Subtitle Copy Sandy Spring Bancorp’s forward-looking statements are subject to significant risks and uncertainties that may cause actual results to differ materially from those in such statements.

April 20, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2023 SANDY SPRING BANCORP, INC.

April 20, 2023 EX-99.1

SANDY SPRING BANCORP REPORTS FIRST QUARTER EARNINGS OF $51.3 MILLION

Exhibit 99.1 NEWS RELEASE FOR IMMEDIATE RELEASE SANDY SPRING BANCORP REPORTS FIRST QUARTER EARNINGS OF $51.3 MILLION OLNEY, MARYLAND, April 20, 2023 — Sandy Spring Bancorp, Inc. (Nasdaq-SASR), the parent company of Sandy Spring Bank, reported net income of $51.3 million ($1.14 per diluted common share) for the quarter ended March 31, 2023, compared to net income of $43.9 million ($0.96 per diluted

April 17, 2023 DEFA14A

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

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

April 11, 2023 DEFA14A

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

DEFA14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 11, 2023 DEF 14A

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

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

March 27, 2023 PRE 14A

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

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

February 21, 2023 EX-32.B

18 U.S.C. Section 1350 Certification

Exhibit 32(b) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-K of Sandy Spring Bancorp, Inc. ("Bancorp") for the period ended December 31, 2022, fully complies with the requirements of section 13(a) or 15(d) of the Se

February 21, 2023 EX-32.A

18 U.S.C. Section 1350 Certification

Exhibit 32(a) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-K of Sandy Spring Bancorp, Inc. ("Bancorp") for the period ended December 31, 2022, fully complies with the requirements of section 13(a) or 15(d) of the Se

February 21, 2023 EX-21

Subsidiaries of the Registrant

Exhibit 21 Subsidiaries of the Registrant Name Jurisdiction of Incorporation Sandy Spring Bank Maryland West Financial Services, Inc.* Maryland SSB Wealth Management, Inc.*(1) Maryland *Direct subsidiary of Sandy Spring Bank (1) Does business under the name “Rembert Pendleton Jackson”.

February 21, 2023 EX-31.B

Rule 13a-14(a)/15d-14(a) Certification

Exhibit 31 (b) CERTIFICATION Rule 13a-14(a) / 15d-14(a) Certifications I, Philip J.

February 21, 2023 EX-31.A

Rule 13a-14(a)/15d-14(a) Certification

Exhibit 31 (a) CERTIFICATION Rule 13a-14(a) / 15d-14(a) Certifications I, Daniel J.

February 21, 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 ☐ TRANSITION REPORT PURSUANT TO SECTI

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 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 0-19065 SANDY SPRING BANCORP, INC. (Exact name of registrant as specified

February 10, 2023 SC 13G/A

SASR / Sandy Spring Bancorp, Inc. / DIMENSIONAL FUND ADVISORS LP - 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. 9 )* Sandy Spring Bancorp Inc (Name of Issuer) Common Stock (Title of Class of Securities) 800363103 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate b

February 9, 2023 SC 13G/A

SASR / Sandy Spring Bancorp, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01842-sandyspringbancorpin.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 3)* Name of issuer: Sandy Spring Bancorp Inc. Title of Class of Securities: Common Stock CUSIP Number: 800363103 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box

January 31, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 31, 2023 SANDY SPRING BANCORP, INC.

January 26, 2023 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, DC 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 25, 2023 SANDY SPRING BANCORP, INC.

January 26, 2023 EX-10.1

Sandy Spring Bancorp, Inc. Annual Incentive Plan

SANDY SPRING BANCORP, INC. ANNUAL INCENTIVE PLAN 1.Establishment and Purpose 1.1 Establishment of Plan. Sandy Spring Bancorp, Inc., a Maryland corporation, (the “Company”) hereby establishes this Sandy Spring Bancorp, Inc. Annual Incentive Plan (the “Plan”) for employees of the Company and its Subsidiaries, effective as of January 25, 2023. 1.2 Purpose of Plan. The purpose of the Plan is to link c

January 26, 2023 EX-99.2

4th Quarter 2022 Earnings Presentation January 26, 2023 1 3 Subtitle Copy Sandy Spring Bancorp’s forward-looking statements are subject to the following principal risks and uncertainties: risks, uncertainties and other factors relating to the COVID-1

4th Quarter 2022 Earnings Presentation January 26, 2023 1 3 Subtitle Copy Sandy Spring Bancorp’s forward-looking statements are subject to the following principal risks and uncertainties: risks, uncertainties and other factors relating to the COVID-19 pandemic, including the effect of the pandemic on our borrowers and their ability to make payments on their obligations, the effectiveness of vaccin

January 26, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 SANDY SPRING BANCORP, INC.

January 26, 2023 EX-99.1

SANDY SPRING BANCORP REPORTS FOURTH QUARTER EARNINGS OF $34.0 MILLION Company's Year Over Year Loan Growth Exceeds 14%

Exhibit 99.1 NEWS RELEASE FOR IMMEDIATE RELEASE SANDY SPRING BANCORP REPORTS FOURTH QUARTER EARNINGS OF $34.0 MILLION Company's Year Over Year Loan Growth Exceeds 14% OLNEY, MARYLAND, January 26, 2023 — Sandy Spring Bancorp, Inc. (Nasdaq-SASR), the parent company of Sandy Spring Bank, reported net income of $34.0 million ($0.76 per diluted common share) for the quarter ended December 31, 2022, com

December 16, 2022 EX-99.1

Sandy Spring Bancorp, Inc. President and CEO Daniel J. Schrider to Add Chair Role

Sandy Spring Bancorp, Inc. President and CEO Daniel J. Schrider to Add Chair Role Current Chair Robert L. Orndorff to Become Lead Independent Director OLNEY, Md., Dec. 15, 2022 (GLOBE NEWSWIRE) - Sandy Spring Bancorp, Inc. (Nasdaq – SASR), the parent company of Sandy Spring Bank, announced today that its Board of Directors has elected President and CEO, Daniel J. Schrider, to the role of Board Cha

December 16, 2022 EX-10.1

Sandy Spring Bancorp, Inc. Executive Severance Plan

SANDY SPRING BANCORP, INC. EXECUTIVE SEVERANCE PLAN 1.Name, Purpose and Effective Date 1.1 Name and Purpose of Plan. The purpose of this Sandy Spring Bancorp, Inc. Executive Severance Plan (the “Plan”) is to provide severance benefits to certain senior executives and key employees of the Company and its affiliates in the event their employment is terminated in certain circumstances, including cert

December 16, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 14, 2022 SANDY SPRING BANC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 14, 2022 SANDY SPRING BANCORP, INC.

December 16, 2022 EX-3.1

Bylaws of Sandy Spring Bancorp, Inc.

BYLAWS OF SANDY SPRING BANCORP, INC. ARTICLE I Principal Office The principal office of Sandy Spring Bancorp, Inc. (herein the ?Corporation?) shall be at 17801 Georgia Avenue, Olney, Maryland, 20832. ARTICLE II Meetings of Shareholders SECTION 1. Place of Meetings. All meetings of shareholders shall be held at such place within or without the State of Maryland or by means of remote communication a

November 4, 2022 EX-32.A

Certification of Chief Executive Officer pursuant to 18 U.S. Section 1350

Exhibit 32 (a) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-Q of Sandy Spring Bancorp, Inc. (“Bancorp”) for the quarterly period ended September 30, 2022, fully complies with the requirements of section 13(a) or 15(

November 4, 2022 EX-31.A

Certification of Chief Executive Officer pursuant to Rule 13a-14(a)/15d-14(a)

Exhibit 31 (a) CERTIFICATION Rule 13a-14(a) / 15d-14(a) Certifications I, Daniel J.

November 4, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended September 30, 2022 ☐ TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ 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: 0-19065 SANDY SPRING BANCO

November 4, 2022 EX-31.B

Certification of Chief Financial Officer pursuant to Rule 13a-14(a)/15d-14(a)

Exhibit 31 (b) CERTIFICATION I, Philip J. Mantua, Executive Vice President and Chief Financial Officer of Sandy Spring Bancorp, Inc. (“Bancorp”), certify that: 1.I have reviewed this quarterly report on Form 10-Q of Sandy Spring Bancorp, Inc. 2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statemen

November 4, 2022 EX-32.B

Certification of Chief Financial Officer pursuant to 18 U.S. Section 1350

Exhibit 32 (b) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-Q of Sandy Spring Bancorp, Inc. (“Bancorp”) for the quarterly period ended September 30, 2022, fully complies with the requirements of section 13(a) or 15(

October 31, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 31, 2022 SANDY SPRING BANCORP, INC.

October 28, 2022 EX-99

Sandy Spring Bancorp, Inc. Announces Retirement of Kenneth C. Cook, Commercial Banking President Cook to Join Board of Directors

Sandy Spring Bancorp, Inc. Announces Retirement of Kenneth C. Cook, Commercial Banking President Cook to Join Board of Directors OLNEY, Md., Oct. 28, 2022 (GLOBE NEWSWIRE) ?Sandy Spring Bancorp, Inc. (Nasdaq ? SASR), the parent company of Sandy Spring Bank, announced today the retirement of the President of Commercial Banking and Executive Vice President, Kenneth C. Cook, effective February 28, 20

October 28, 2022 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2022 SANDY SPRING BANCORP, INC.

October 20, 2022 EX-99.1

SANDY SPRING BANCORP REPORTS QUARTERLY EARNINGS OF $33.6 MILLION Company Achieves 10% Year over Year Organic Growth

Exhibit 99.1 NEWS RELEASE FOR IMMEDIATE RELEASE SANDY SPRING BANCORP REPORTS QUARTERLY EARNINGS OF $33.6 MILLION Company Achieves 10% Year over Year Organic Growth OLNEY, MARYLAND, October 20, 2022 ? Sandy Spring Bancorp, Inc. (Nasdaq-SASR), the parent company of Sandy Spring Bank, reported net income of $33.6 million ($0.75 per diluted common share) for the quarter ended September 30, 2022, compa

October 20, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 SANDY SPRING BANCORP, INC.

October 20, 2022 EX-99.2

3rd Quarter 2022 Earnings Presentation October 20, 2022 1 3 Subtitle Copy Sandy Spring Bancorp’s forward-looking statements are subject to the following principal risks and uncertainties: risks, uncertainties and other factors relating to the COVID-1

3rd Quarter 2022 Earnings Presentation October 20, 2022 1 3 Subtitle Copy Sandy Spring Bancorp?s forward-looking statements are subject to the following principal risks and uncertainties: risks, uncertainties and other factors relating to the COVID-19 pandemic, including the effect of the pandemic on our borrowers and their ability to make payments on their obligations, the effectiveness of vaccin

August 5, 2022 EX-31.A

Certification of Chief Executive Officer pursuant to Rule 13a-14(a)/15d-14(a)

Exhibit 31 (a) CERTIFICATION Rule 13a-14(a) / 15d-14(a) Certifications I, Daniel J.

August 5, 2022 EX-32.A

Certification of Chief Executive Officer pursuant to 18 U.S. Section 1350

Exhibit 32 (a) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-Q of Sandy Spring Bancorp, Inc. (?Bancorp?) for the quarterly period ended June 30, 2022, fully complies with the requirements of section 13(a) or 15(d) of

August 5, 2022 S-8 POS

As filed with the Securities and Exchange Commission on August 5, 2022

As filed with the Securities and Exchange Commission on August 5, 2022 Registration No.

August 5, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended June 30, 2022 ☐ TRANSITION REPORT PURSUANT TO S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ? 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: 0-19065 SANDY SPRING BANCORP, I

August 5, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 5, 2022 SANDY SPRING BANCORP, INC.

August 5, 2022 EX-32.B

Certification of Chief Financial Officer pursuant to 18 U.S. Section 1350

Exhibit 32 (b) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-Q of Sandy Spring Bancorp, Inc. (?Bancorp?) for the quarterly period ended June 30, 2022, fully complies with the requirements of section 13(a) or 15(d) of

August 5, 2022 EX-31.B

Certification of Chief Financial Officer pursuant to Rule 13a-14(a)/15d-14(a)

Exhibit 31 (b) CERTIFICATION I, Philip J. Mantua, Executive Vice President and Chief Financial Officer of Sandy Spring Bancorp, Inc. (?Bancorp?), certify that: 1.I have reviewed this quarterly report on Form 10-Q of Sandy Spring Bancorp, Inc. 2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statemen

July 21, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 SANDY SPRING BANCORP, INC.

July 21, 2022 EX-99.2

2nd Quarter 2022 Earnings Presentation July 21, 2022 1 2 Subtitle Copy Sandy Spring Bancorp’s forward-looking statements are subject to the following principal risks and uncertainties: risks, uncertainties and other factors relating to the COVID-19 p

2nd Quarter 2022 Earnings Presentation July 21, 2022 1 2 Subtitle Copy Sandy Spring Bancorp?s forward-looking statements are subject to the following principal risks and uncertainties: risks, uncertainties and other factors relating to the COVID-19 pandemic, including the effect of the pandemic on our borrowers and their ability to make payments on their obligations, the effectiveness of vaccinati

July 21, 2022 EX-99.1

SANDY SPRING BANCORP REPORTS QUARTERLY EARNINGS OF $54.8 MILLION Company Generates 17% Year over Year Organic Loan Growth

Exhibit 99.1 NEWS RELEASE FOR IMMEDIATE RELEASE SANDY SPRING BANCORP REPORTS QUARTERLY EARNINGS OF $54.8 MILLION Company Generates 17% Year over Year Organic Loan Growth OLNEY, MARYLAND, July 21, 2022 ? Sandy Spring Bancorp, Inc. (Nasdaq-SASR), the parent company of Sandy Spring Bank, reported net income of $54.8 million ($1.21 per diluted common share) for the quarter ended June 30, 2022, compare

June 29, 2022 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

11-K 1 d330111d11k.htm 11-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the fiscal year ended December 31, 20

June 22, 2022 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 21, 2022 SANDY SPRING BANCORP, INC.

June 2, 2022 DEFA14A

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

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

June 2, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 2, 2022 SANDY SPRING BANCORP, INC.

June 2, 2022 EX-99.1

Sandy Spring Bancorp Sells Insurance Business Bank Will Now Offer Insurance Through Hub International

Sandy Spring Bancorp Sells Insurance Business Bank Will Now Offer Insurance Through Hub International OLNEY, MD, June 2, 2022 (GLOBE NEWSWIRE) Sandy Spring Bancorp, Inc.

May 20, 2022 DEFA14A

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

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

May 19, 2022 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 SANDY SPRING BANCORP, INC.

May 18, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 SANDY SPRING BANCORP, INC.

May 6, 2022 EX-31.B

Certification of Chief Financial Officer pursuant to Rule 13a-14(a)/15d-14(a)

Exhibit 31 (b) CERTIFICATION I, Philip J. Mantua, Executive Vice President and Chief Financial Officer of Sandy Spring Bancorp, Inc. (“Bancorp”), certify that: 1.I have reviewed this quarterly report on Form 10-Q of Sandy Spring Bancorp, Inc. 2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statemen

May 6, 2022 EX-32.A

Certification of Chief Executive Officer pursuant to 18 U.S. Section 1350

Exhibit 32 (a) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-Q of Sandy Spring Bancorp, Inc. (“Bancorp”) for the quarterly period ended March 31, 2022, fully complies with the requirements of section 13(a) or 15(d) o

May 6, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended March 31, 2022 ☐ TRANSITION REPORT PURSUANT TO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended March 31, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 0-19065 SANDY SPRING BANCORP,

May 6, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2022 SANDY SPRING BANCORP, INC.

May 6, 2022 EX-32.B

Certification of Chief Financial Officer pursuant to 18 U.S. Section 1350

Exhibit 32 (b) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-Q of Sandy Spring Bancorp, Inc. (“Bancorp”) for the quarterly period ended March 31, 2022, fully complies with the requirements of section 13(a) or 15(d) o

May 6, 2022 EX-31.A

Certification of Chief Executive Officer pursuant to Rule 13a-14(a)/15d-14(a)

Exhibit 31 (a) CERTIFICATION Rule 13a-14(a) / 15d-14(a) Certifications I, Daniel J.

April 21, 2022 EX-99.1

SANDY SPRING BANCORP REPORTS FIRST QUARTER EARNINGS OF $43.9 MILLION Company Reports Strong Deposit and Loan Growth

Exhibit 99.1 NEWS RELEASE FOR IMMEDIATE RELEASE SANDY SPRING BANCORP REPORTS FIRST QUARTER EARNINGS OF $43.9 MILLION Company Reports Strong Deposit and Loan Growth OLNEY, MARYLAND, April 21, 2022 ? Sandy Spring Bancorp, Inc., (Nasdaq-SASR), the parent company of Sandy Spring Bank, reported net income of $43.9 million ($0.96 per diluted common share) for the quarter ended March 31, 2022, compared t

April 21, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2022 SANDY SPRING BANCORP, INC.

April 11, 2022 DEFA14A

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

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

April 6, 2022 DEFA14A

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

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

April 6, 2022 DEF 14A

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

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

March 18, 2022 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 18, 2022 SANDY SPRING BANCORP, INC.

March 18, 2022 EX-4.2

First Supplemental Indenture, dated as of March 18, 2022, between Sandy Spring Bancorp, Inc. and Wilmington Trust, National Association, as Trustee

Exhibit 4.2 Execution Version SANDY SPRING BANCORP, INC., as Issuer and WILMINGTON TRUST, NATIONAL ASSOCIATION, as Trustee FIRST SUPPLEMENTAL INDENTURE Dated as of March 18, 2022 to SUBORDINATED INDENTURE Dated as of March 18, 2022 3.875% Fixed-to-Floating Rate Subordinated Notes Due 2032 TABLE OF CONTENTS ARTICLE 1 DEFINITIONS 1 Section 1.01. Relation to Base Indenture 1 Section 1.02. Definition

March 18, 2022 PRE 14A

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

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

March 18, 2022 EX-4.1

Subordinated Indenture, dated as of March 18, 2022, between Sandy Spring Bancorp, Inc. and Wilmington Trust, National Association, as Trustee

Exhibit 4.1 Execution Version SANDY SPRING BANCORP, INC. SUBORDINATED INDENTURE DATED AS OF MARCH 18, 2022 WILMINGTON TRUST, NATIONAL ASSOCIATION, AS TRUSTEE TABLE OF CONTENTS Page Number ARTICLE I DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.1 Definitions 1 Section 1.2 Other Definitions 6 Section 1.3 Incorporation by Reference of Trust Indenture Act 6 Section 1.4 Rules of Construction 6

March 17, 2022 EX-99.1

Sandy Spring Bancorp Announces Pricing of $200 Million Subordinated Debt Offering

Exhibit 99.1 Sandy Spring Bancorp Announces Pricing of $200 Million Subordinated Debt Offering OLNEY, MD ? March 15, 2022 ? Sandy Spring Bancorp, Inc. (NASDAQ- SASR) (?Sandy Spring Bancorp? or the ?Company?), the holding company for Sandy Spring Bank (the ?Bank?), today announced that it has priced an underwritten public offering of $200 million aggregate principal amount of its fixed-to-floating

March 17, 2022 424B5

$200,000,000 3.875% Fixed-to-Floating Rate Subordinated Notes due 2032

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-253367 PROSPECTUS SUPPLEMENT (To Prospectus dated February 22, 2021) $200,000,000 3.875% Fixed-to-Floating Rate Subordinated Notes due 2032 We are offering $200,000,000 aggregate principal amount of 3.875% fixed-to-floating rate subordinated notes due 2032 (the ?Notes?) pursuant to this prospectus supplement and the accompanyi

March 17, 2022 EX-1.1

Underwriting Agreement, dated as of March 15, 2022, by and among Sandy Spring Bancorp, Inc., Sandy Spring Bank, and Piper Sandler & Co. and Stephens Inc. (as representatives of the Underwriters named therein)

EX-1.1 2 d323713dex11.htm EX-1.1 Exhibit 1.1 Execution Version Sandy Spring Bancorp, Inc. $200,000,000 3.875% Fixed-to-Floating Rate Subordinated Notes due 2032 UNDERWRITING AGREEMENT March 15, 2022 Piper Sandler & Co. 1251 Avenue of the Americas, 6th Floor New York, New York 10020 Stephens Inc. 111 Center Street Little Rock, Arkansas 72201 As Representatives of the several Underwriters named in S

March 17, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2022 SANDY SPRING BANCORP, INC.

March 17, 2022 EX-FILING FEES

Calculation of Filing Fee Table FORM S-3 (Form Type) SANDY SPRING BANCORP, INC. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amoun

Exhibit 107 Calculation of Filing Fee Table FORM S-3 (Form Type) SANDY SPRING BANCORP, INC.

March 16, 2022 FWP

3.875% Fixed to Floating Rate Subordinated Notes due 2032 Term Sheet

Free Writing Prospectus Filed pursuant to Rule 433 Supplementing the Preliminary Prospectus Supplement, dated March 15, 2022 Registration No.

March 15, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2022 SANDY SPRING BANCORP, INC.

March 15, 2022 424B5

SUBJECT TO COMPLETION, DATED MARCH 15, 2022

Table of Contents The information in this preliminary prospectus supplement is not complete and may be changed.

March 15, 2022 EX-99.1

Forward Looking Statements and Non-GAAP Financial Information Forward-Looking Statements Sandy Spring Bancorp’s forward-looking statements are subject to the following principal risks and uncertainties: risks, uncertainties and other factors relating

EX-99.1 Exhibit 99.1 Subtitle Copy Subordinated Notes Offering Investor Presentation March 15, 2022 1 Forward Looking Statements and Non-GAAP Financial Information Forward-Looking Statements Sandy Spring Bancorp’s forward-looking statements are subject to the following principal risks and uncertainties: risks, uncertainties and other factors relating to the COVID-19 pandemic, including the effect

February 18, 2022 EX-21

Subsidiaries of the Registrant

Exhibit 21 Subsidiaries of the Registrant Name Jurisdiction of Incorporation Sandy Spring Bank Maryland Sandy Spring Insurance Corporation* Maryland West Financial Services, Inc.* Maryland SSB Wealth Management, Inc.*(1) Maryland *Direct subsidiary of Sandy Spring Bank (1) Does business under the name ?Rembert Pendleton Jackson?.

February 18, 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 ☐ TRANSITION REPORT PURSUANT TO SECTI

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 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 0-19065 SANDY SPRING BANCORP, INC. (Exact name of registrant as specified

February 18, 2022 EX-31.B

Rule 13a-14(a)/15d-14(a) Certification

Exhibit 31 (b) CERTIFICATION Rule 13a-14(a) / 15d-14(a) Certifications I, Philip J.

February 18, 2022 EX-32.B

18 U.S.C. Section 1350 Certification

Exhibit 32(b) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-K of Sandy Spring Bancorp, Inc. ("Bancorp") for the period ended December 31, 2021, fully complies with the requirements of section 13(a) or 15(d) of the Se

February 18, 2022 EX-10.8

Employment Agreement dated as of September 23, 2019 by and among Sandy Spring Bancorp, Inc., Sandy Spring Bank and Kenneth C. Cook

EMPLOYMENT AGREEMENT (Execution Version) THIS AGREEMENT (the ?Agreement?), made as of this 23rd day of September, 2019 by and among Sandy Spring Bancorp, Inc.

February 18, 2022 EX-31.A

Rule 13a-14(a)/15d-14(a) Certification

Exhibit 31 (a) CERTIFICATION Rule 13a-14(a) / 15d-14(a) Certifications I, Daniel J.

February 18, 2022 EX-32.A

18 U.S.C. Section 1350 Certification

Exhibit 32(a) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-K of Sandy Spring Bancorp, Inc. ("Bancorp") for the period ended December 31, 2021, fully complies with the requirements of section 13(a) or 15(d) of the Se

February 10, 2022 SC 13G/A

SASR / Sandy Spring Bancorp, 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.: 2)* Name of issuer: Sandy Spring Bancorp Inc. Title of Class of Securities: Common Stock CUSIP Number: 800363103 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is fi

February 9, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 8, 2022 SANDY SPRING BANCORP, INC.

February 8, 2022 SC 13G/A

SASR / Sandy Spring Bancorp, Inc. / DIMENSIONAL FUND ADVISORS LP - 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. 8 )* Sandy Spring Bancorp Inc (Name of Issuer) Common Stock (Title of Class of Securities) 800363103 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which th

January 20, 2022 EX-99.2

4th Quarter Supplemental Information January 20, 2022 1 Specific Industry Summary As of December 31, 2021 (1) Amounts exclude PPP loans and net deferred fees/costs (2) Criticized includes all performing and non-performing loans risk rated Special Men

4th Quarter Supplemental Information January 20, 2022 1 Specific Industry Summary As of December 31, 2021 (1) Amounts exclude PPP loans and net deferred fees/costs (2) Criticized includes all performing and non-performing loans risk rated Special Mention, Substandard and Doubtful (3) Services industry includes, but is not limited to: Landscaping, Computer Services, Day Care, Community Housing and Dry Cleaning 2 ($ in millions) Loans with Accruing Loans Total Balance Active Payment 30+ Days Non-Performing % of Portfolio PPP Industry Commitments(1) Outstanding(1) Accommodation Past Due Loans Criticized(2) Loans Hotels $389 $382 $0 0.

January 20, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 20, 2022 SANDY SPRING BANCORP, INC.

January 20, 2022 EX-99.1

SANDY SPRING BANCORP REPORTS RECORD ANNUAL EARNINGS OF $235.1 MILLION Company Achieves Record Loan Production in the Fourth Quarter

EX-99.1 2 sasr-12022xexx991earningsr.htm EX-99.1 Exhibit 99.1 NEWS RELEASE FOR IMMEDIATE RELEASE SANDY SPRING BANCORP REPORTS RECORD ANNUAL EARNINGS OF $235.1 MILLION Company Achieves Record Loan Production in the Fourth Quarter OLNEY, MARYLAND, January 20, 2022 — Sandy Spring Bancorp, Inc., (Nasdaq-SASR), the parent company of Sandy Spring Bank, reported net income of $45.4 million ($0.99 per dil

November 5, 2021 EX-31.A

Certification of Chief Executive Officer pursuant to Rule 13a-14(a)/15d-14(a)

Exhibit 31 (a) CERTIFICATION Rule 13a-14(a) / 15d-14(a) Certifications I, Daniel J.

November 5, 2021 EX-32.A

Certification of Chief Executive Officer pursuant to 18 U.S. Section 1350

Exhibit 32 (a) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-Q of Sandy Spring Bancorp, Inc. (“Bancorp”) for the quarterly period ended September 30, 2021, fully complies with the requirements of section 13(a) or 15(

November 5, 2021 EX-31.B

Certification of Chief Financial Officer pursuant to Rule 13a-14(a)/15d-14(a)

Exhibit 31 (b) CERTIFICATION I, Philip J. Mantua, Executive Vice President and Chief Financial Officer of Sandy Spring Bancorp, Inc. (“Bancorp”), certify that: 1.I have reviewed this quarterly report on Form 10-Q of Sandy Spring Bancorp, Inc. 2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statemen

November 5, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended September 30, 2021 ☐ TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ? 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: 0-19065 SANDY SPRING BANCO

November 5, 2021 EX-32.B

Certification of Chief Financial Officer pursuant to 18 U.S. Section 1350

Exhibit 32 (b) 18 U.S.C. Section 1350 Certification I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-Q of Sandy Spring Bancorp, Inc. (?Bancorp?) for the quarterly period ended September 30, 2021, fully complies with the requirements of section 13(a) or 15(

November 3, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 3, 2021 SANDY SPRING BANCORP, INC.

October 28, 2021 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 27, 2021 SANDY SPRING BANCORP, INC.

October 28, 2021 EX-10.1

Sandy Spring Bank Non-Qualified Deferred Compensation Plan

Sandy Spring Bank Non-Qualified Deferred Compensation Plan Article I Establishment and Purpose Sandy Spring Bank (the ?Company?) has adopted this Sandy Spring Bank Non-Qualified Deferred Compensation Plan, applicable to Compensation deferred under Compensation Deferral Agreements submitted on and after the Effective Date and Company Contributions credited on or after the Effective Date.

Fintel data has been cited in the following publications:
Daily Mail Fox Business Business Insider Wall Street Journal The Washington Post Bloomberg Financial Times Globe and Mail
NASDAQ.com Reuters The Guardian Associated Press FactCheck.org Snopes Politifact
Federal Register The Intercept Forbes Fortune Magazine TheStreet Time Magazine Canadian Broadcasting Corporation International Business Times
Cambridge University Press Investopedia MarketWatch NY Daily News Entrepreneur Newsweek Barron's El Economista