DAVID G. ANTOLIK - 31 Dec 2025 Form 5 Insider Report for S&T BANCORP INC (STBA)

Signature
/s/ Jackie Kennane, attorney-in-fact for David G. Antolik
Issuer symbol
STBA
Transactions as of
31 Dec 2025
Net transactions value
+$15,951
Form type
5
Filing time
13 Feb 2026, 16:37:28 UTC
Previous filing
04 Apr 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
ANTOLIK DAVID G PRESIDENT, Director 800 PHILADELPHIA STREET, INDIANA /s/ Jackie Kennane, attorney-in-fact for David G. Antolik 13 Feb 2026 0001164377

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction STBA Common Stock Other $15,951 +405 +3.6% $39.35 11,745 31 Dec 2025 401k F1
holding STBA Common Stock 64,553 31 Dec 2025 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding STBA Restricted Stock Units 3,410 31 Dec 2025 Common Stock 3,410 Direct F2, F3, F4
holding STBA Restricted Stock Units 2,737 31 Dec 2025 Common Stock 2,737 Direct F3, F5, F6
holding STBA Restricted Stock Units 1,316 31 Dec 2025 Common Stock 1,316 Direct F3, F7
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These shares represent the YTD increase in shares held in a 401K/IRA plan.
F2 Filing delay due by April 3, 2025, caused by software unable to attach footnotes to awards.
F3 Each restricted stock unit represents a contingent right to receive one share of S&T Bancorp, Inc. common stock.
F4 The restricted stock units vest in three equal annual installments beginning April 1, 2026. Vested shares will be delivered to the reporting person upon vesting.
F5 Correction to the name of the award. It is not a Director's award, but officer award. All other aspects of the award, including date of award, number of shares, and vesting remain unchanged.
F6 The restricted stock units vest in three equal annual installments beginning April 1, 2025. Vested shares will be delivered to the reporting person upon vesting.
F7 The restricted stock units vest in three equal annual installments beginning April 1, 2024. Vested shares will be delivered to the reporting person upon vesting.