Melanie A. Lazzari - 31 Dec 2025 Form 5 Insider Report for S&T BANCORP INC (STBA)

Signature
/s/ Jackie Kennane, attorney-in-fact for Melanie A. Lazzari
Issuer symbol
STBA
Transactions as of
31 Dec 2025
Net transactions value
+$29,792
Form type
5
Filing time
13 Feb 2026, 16:33:10 UTC
Previous filing
11 Apr 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Lazzari Melanie A Executive Vice President 800 PHILADELPHIA STREET, INDIANA /s/ Jackie Kennane, attorney-in-fact for Melanie A. Lazzari 13 Feb 2026 0001658977

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction STBA Common Stock Other $12,621 +321 +4.2% $39.35 8,041 31 Dec 2025 401(k) F1
transaction STBA Common Stock Other $17,171 +436 +3.4% $39.35 13,368 31 Dec 2025 Direct F2
holding STBA Common Stock 9 31 Dec 2025 Spouse IRA

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 1,117 31 Dec 2025 Common Stock 1,117 Direct F3, F4
holding STBA Restricted Stock Units 1,444 31 Dec 2025 Common Stock 1,444 Direct F3, F5, F6
holding STBA Restricted Stock Units 523 31 Dec 2025 Common Stock 523 Direct F3, F7
holding STBA Restricted Stock Units 510 31 Dec 2025 Common Stock 510 Direct F3, F8
* 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 Increase due to reinvested dividends in a dividend reinvestment plan.
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, 2025. Vested shares will be delivered to the reporting person upon vesting.
F5 Filing delay due by April 3, 2025, caused by software unable to attach footnotes to awards.
F6 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.
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.
F8 On April 10, 2023, the Registrant awarded a special grant to the executive officer that will vest equally over the three successive anniversary dates of the grant date.