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 412, 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 ~~Global~~Stock ~~Select~~ 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 75.0107 ~~Regulation~~Submission FDof ~~Disclosure~~Matters to a Vote of Security Holders.

~~The~~On ~~attached~~May ~~investor~~12, ~~presentation~~2026, ~~contains~~S&T ~~financial~~Bancorp, ~~data~~Inc. ~~that~~("S&T") ~~members~~held ofits ~~management~~2026 ~~will~~Annual ~~use~~Meeting ~~from~~of ~~time~~Shareholders to("Annual ~~time~~Meeting"). ~~during~~A ~~visits~~total ~~with~~of ~~investors~~36,548,632 ~~analysts~~shares ~~and~~of ~~other~~S&T's ~~interested~~common ~~parties~~stock towere ~~assist~~entitled into ~~their~~vote ~~understanding~~as of ~~S&T~~February ~~Bancorp~~27, ~~Inc.~~2026, ~~(“S&T”)~~the record date for the Annual Meeting. ~~This~~There ~~investor~~were ~~presentation~~30,376,794 isshares ~~available~~voted onat ~~S&T’s~~the ~~website~~Annual Meeting, at ~~www~~which the shareholders were asked to vote on three proposals.~~stbancorp.com.~~ ASet ~~copy~~forth ofbelow are the ~~investor~~matters ~~presentation~~acted isupon ~~attached~~by ~~as Exhibit~~the ~~99.1 to~~shareholders ~~this~~at ~~report~~the Annual Meeting, and isthe ~~incorporated~~final ~~herein~~voting byresults ~~reference~~of each such proposal.

~~The~~Proposal ~~information in this Current Report on Form 8-K is being furnished under Item 7~~No.01 ~~and~~1 ~~shall~~Election ~~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.Directors

~~Item~~The ~~9.01~~11 ~~Financial~~directors ~~Statements~~named in S&T's proxy statement were elected to serve a one-year term until the next annual meeting of shareholders and ~~Exhibits.~~until their successors are elected and qualified.

(d) Exhibits.


	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

Exhibit No.						Description of Exhibit
99.1						Investor Presentation
104						Cover Page Interactive Data File (embedded in the cover page formatted in Inline XBRL)

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&T Bancorp Inc.
			/s/ Mark Kochvar
February 11, 2026			Mark KochvarSenior Executive Vice President,Chief Financial Officer
May 15, 2026			Mark KochvarSenior Executive Vice President,Chief Financial Officer

Filing Compare · S&T BANCORP INC