David G. Antolik - 01 Apr 2026 Form 4 Insider Report for S&T BANCORP INC (STBA)

Role: PRESIDENT, Director
Signature: /s/ Jackie Kennane, attorney-in-fact for David G. Antolik
Issuer symbol: STBA
Transactions as of: 01 Apr 2026
Net transactions value: $0
Form type: 4
Filing time: 03 Apr 2026, 15:12:35 UTC
Previous filing: 13 Feb 2026
SEC: View on sec.gov

Key filing fact

David G. Antolik filed Form 4 for S&T BANCORP INC (STBA) on 03 Apr 2026.

Key facts

This page summarizes David G. Antolik's Form 4 filing for S&T BANCORP INC (STBA).
14 reported transactions and 6 derivative rows are listed below.
Filing timestamp: 03 Apr 2026, 15:12.

Change

Previous filing in this sequence was filed on 13 Feb 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

See Original Filing

Reporting Owners (1)

CIK 0001164377 Primary reporting owner

ANTOLIK DAVID G

Relationship: PRESIDENT, Director
Address: 800 PHILADELPHIA STREET, INDIANA
Signature: /s/ Jackie Kennane, attorney-in-fact for David G. Antolik
Signature date: 03 Apr 2026

Transactions Table

STBA transaction

Common Stock

Options Exercise

Transaction value
Shares: +5,493
Change %: +8.5%
Price: $42.28^*
Shares after: 70,046
Date: 01 Apr 2026
Ownership: Direct
Footnotes: F1

STBA transaction

Common Stock

Tax liability

Transaction value
Shares: -2,403
Change %: -3.4%
Price: $42.28^*
Shares after: 67,643
Date: 01 Apr 2026
Ownership: Direct
Footnotes: F2

STBA transaction

Common Stock

Options Exercise

Transaction value
Shares: +1,316
Change %: +1.9%
Price: $42.28^*
Shares after: 68,959
Date: 01 Apr 2026
Ownership: Direct
Footnotes: F1

STBA transaction

Common Stock

Tax liability

Transaction value
Shares: -576
Change %: -0.84%
Price: $42.28^*
Shares after: 68,383
Date: 01 Apr 2026
Ownership: Direct
Footnotes: F2

STBA transaction

Common Stock

Options Exercise

Transaction value
Shares: +1,347
Change %: +2%
Price: $42.28^*
Shares after: 69,730
Date: 01 Apr 2026
Ownership: Direct
Footnotes: F1

STBA transaction

Common Stock

Tax liability

Transaction value
Shares: -590
Change %: -0.85%
Price: $42.28^*
Shares after: 69,140
Date: 01 Apr 2026
Ownership: Direct
Footnotes: F2

STBA transaction

Common Stock

Options Exercise

Transaction value
Shares: +1,125
Change %: +1.6%
Price: $42.28^*
Shares after: 70,265
Date: 01 Apr 2026
Ownership: Direct
Footnotes: F1

STBA transaction

Common Stock

Tax liability

Transaction value
Shares: -493
Change %: -0.7%
Price: $42.28^*
Shares after: 69,772
Date: 01 Apr 2026
Ownership: Direct
Footnotes: F2

STBA holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 11,745
Date: 01 Apr 2026
Ownership: 401k

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

STBA transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +5,493
Change %
Price: $0.000000^*
Shares after: 5,493
Date: 01 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 5,493
Exercise price
Footnotes: F3, F4

STBA transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -5,493
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 01 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 5,493
Exercise price
Footnotes: F3, F4

STBA transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -1,316
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 01 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,316
Exercise price
Footnotes: F5, F6

STBA transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -1,347
Change %: -49%
Price: $0.000000^*
Shares after: 1,390
Date: 01 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,347
Exercise price
Footnotes: F5, F7

STBA transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -1,125
Change %: -33%
Price: $0.000000^*
Shares after: 2,285
Date: 01 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,125
Exercise price
Footnotes: F5, F8

STBA transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +3,108
Change %
Price: $0.000000^*
Shares after: 3,108
Date: 01 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 3,108
Exercise price
Footnotes: F5, F9

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Upon vest, automatically converts into equal number of shares of common stock.
F2	Shares of common stock withheld for payment of tax liability for vested and converted restricted stock units.
F3	Acquired upon achievement of certain performance criteria pursuant to the performance-based restricted stock units granted April 1, 2023, under the Issuer's 2023 Long Term Incentive Plan. The performance period for the restricted stock units was January 1, 2023, until December 31, 2025, with achievement of the applicable performance criteria subject to determination by the Issuer's Compensation Committee. This determination was obtained on March 24, 2026.
F4	The restricted performance units awarded on April 1, 2023 vesting on April 1, 2026. Vested shares will be delivered to the reporting person upon vesting.
F5	Each restricted stock unit represents a contingent right to receive one share of S&T Bancorp, Inc. common stock.
F6	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.
F7	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.
F8	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.
F9	The restricted stock units vest in three equal annual installments beginning April 1, 2027. Vested shares will be delivered to the reporting person upon vesting.