Form 8-K

8-K — S&T BANCORP INC

Accession: 0000719220-26-000077

Filed: 2026-05-15

Period: 2026-05-12

CIK: 0000719220

SIC: 6022 (STATE COMMERCIAL BANKS)

Item: Submission of Matters to a Vote of Security Holders

Item: Other Events

Documents

8-K — stba-20260512.htm (Primary)

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8-K

8-K (Primary)

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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

May 12, 2026

Date of Report (date of earliest event reported)

S&T BANCORP, INC.

(Exact name of registrant as specified in its charter)

Pennsylvania

0-12508

25-1434426

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification No.)

800 Philadelphia Street

Indiana

15701

(Address of Principal Executive Offices)

(Zip Code)

(800) 325-2265

Registrant's telephone number, including area code

(Not applicable)

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered

Common Stock, $2.50 par value STBA The NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.07 Submission of Matters to a Vote of Security Holders.

On May 12, 2026, S&T Bancorp, Inc. ("S&T") held its 2026 Annual Meeting of Shareholders ("Annual Meeting"). A total of 36,548,632 shares of S&T's common stock were entitled to vote as of February 27, 2026, the record date for the Annual Meeting. There were 30,376,794 shares voted at the Annual Meeting, at which the shareholders were asked to vote on three proposals. Set forth below are the matters acted upon by the shareholders at the Annual Meeting, and the final voting results of each such proposal.

Proposal No. 1 Election of Directors

The 11 directors named in S&T's proxy statement were elected to serve a one-year term until the next annual meeting of shareholders and until their successors are elected and qualified.

FOR WITHHELD BROKER NON-VOTES

Lewis W. Adkins, Jr. 25,972,790 470,143 3,933,861

David G. Antolik 25,706,983 735,950 3,933,861

Peter R. Barsz 25,942,817 500,116 3,933,861

Christina A. Cassotis 26,033,257 409,676 3,933,861

Stephanie N. Doliveira 26,306,050 136,883 3,933,861

Michael J. Donnelly 25,216,124 1,226,809 3,933,861

Jeffrey D. Grube 25,741,035 701,898 3,933,861

Peter G. Gurt 25,983,500 459,433 3,933,861

William J. Hieb 26,195,372 247,561 3,933,861

Christopher J. McComish 26,120,115 322,818 3,933,861

Bhaskar Ramachandran 25,985,769 457,164 3,933,861

Proposal No. 2 Ratification of the Selection of Independent Registered Public Accounting Firm for Fiscal Year 2026

The shareholders voted to ratify the selection of Ernst & Young LLP as S&T's independent registered public accounting firm for the fiscal year 2026. The results of the vote were as follows:

FOR AGAINST WITHHELD

30,178,173 162,408 36,213

Proposal No. 3 Advisory Vote to Approve Compensation of S&T's Named Executive Officers

The shareholders voted to approve the non-binding, advisory proposal on the compensation of S&T's named executive officers. The results of the vote were as follows:

FOR AGAINST WITHHELD BROKER NON-VOTES

25,880,791 367,554 194,588 3,933,861

Item 8.01 Other Events.

Reorganization of Committees of the Board of Directors

On May 12, 2026, upon the recommendation of the Nominating and Corporate Governance Committee, the Board of Directors of S&T (the "Board") approved the reorganization of its committees, which included the dissolution of the Credit Risk Committee and the establishment of an executive management-level credit risk committee overseen by the Risk Committee and a Technology and Operations Committee to assist the Board with oversight regarding technology and operations matters. The Technology and Operations Committee charter and the Risk Committee charter were updated as a result of this reorganization and are available on S&T’s website at www.stbancorp.com under Governance.

The information on S&T's website and in this Current Report on Form 8-K is being furnished under Item 8.01 and shall not be deemed to be “filed” for the purposes of Section 18 of the Securities and Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of such section, nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933 or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Board Committee Appointments

Following this reorganization, the Board appointed its members to serve on the committees of the Board as outlined below:

Executive Committee

Christopher J. McComish, Chair

Jeffrey D. Grube

Peter R. Barsz

Christina A. Cassotis

Michael J. Donnelly

William J. Hieb

Bhaskar Ramachandran

Audit Committee

Peter R. Barsz, Chair

Christina A. Cassotis

Stephanie N. Doliveira

Jeffrey D. Grube

William J. Hieb

Compensation and Benefits

Christina A. Cassotis, Chair

Lewis W. Adkins, Jr.

Stephanie N. Doliveira

Michael J. Donnelly

Peter G. Gurt

Technology and Operations

Bhaskar Ramachandran, Chair

David G. Antolik

Christina A. Cassotis

Stephanie N. Doliveira

William J. Hieb

Nominating and Corporate Governance

Michael J. Donnelly, Chair

Lewis W. Adkins, Jr.

Peter R. Barsz

Jeffrey D. Grube

Peter G. Gurt

Bhaskar Ramachandran

Risk

William J. Hieb, Chair

Lewis W. Adkins, Jr.

Peter R. Barsz

Michael J. Donnelly

Peter G. Gurt

Bhaskar Ramachandran

As previously disclosed, Mr. McComish and Mr. Grube will serve as Chair and Lead Independent Director, respectively, of the Board.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed by the undersigned thereunto duly authorized.

S&T Bancorp Inc.

/s/ Mark Kochvar

May 15, 2026

Mark Kochvar

Senior Executive Vice President,

Chief Financial Officer

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