Christopher J. McComish - 01 Apr 2026 Form 4 Insider Report for S&T BANCORP INC (STBA)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: STBA
Reported as of: 01 Apr 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 03 Apr 2026, 15:07:29 UTC
Prior SEC filing: 04 Apr 2025
Source filing: View source filing
Reporting owner signature: /s/ Jackie Kennane, attorney-in-fact for Christopher J. McComish

Key filing fact

Christopher J. McComish filed Form 4 for S&T BANCORP INC (STBA) on 03 Apr 2026.

Key facts

This page summarizes Christopher J. McComish's Form 4 filing for S&T BANCORP INC (STBA).
3 reported transactions and 6 derivative rows are listed below.
Accepted by SEC: 03 Apr 2026, 15:07.

Change

Previous filing in this sequence was filed on 04 Apr 2025.
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.

View source filing

Reporting Owners (1)

CIK 0001744487 Primary reporting owner

MCCOMISH CHRISTOPHER J.

Relationship: Chief Executive Officer, Director
Address: 800 PHILADELPHIA STREET, INDIANA
Signature: /s/ Jackie Kennane, attorney-in-fact for Christopher J. McComish
Signature date: 03 Apr 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

STBA transaction

Common Stock

Options Exercise

Transaction value
Shares: +3,432
Change %: +73%
Price: $42.28^*
Shares after: 8,107
Date: 01 Apr 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

STBA transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +9,566
Change %
Price: $0.000000^*
Shares after: 9,566
Date: 01 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 9,566
Exercise price
Footnotes: F2, F3

STBA transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -3,432
Change %: -33%
Price: $0.000000^*
Shares after: 6,970
Date: 01 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 3,432
Exercise price
Footnotes: F1, F2, F4

STBA holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 11,603
Date: 01 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 11,603
Exercise price
Footnotes: F2, F5

STBA holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 21,335
Date: 01 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 21,335
Exercise price
Footnotes: F6, F7

STBA holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 12,460
Date: 01 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 12,460
Exercise price
Footnotes: F2, F8

STBA holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 12,404
Date: 01 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 12,404
Exercise price
Footnotes: F2, F9

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 9 footnotes

Footnote F1

Upon vest, automatically converts into equal number of shares of common stock.

Footnote F2

Each restricted stock unit represents a contingent right to receive one share of S&T Bancorp, Inc. common stock.

Footnote F3

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.

Footnote 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.

Footnote F5

The restricted stock units vest in three equal annual installments beginning April 1, 2024. In accordance with a pre-established deferral election made by the reporting person, vested shares will be delivered to the reporting person upon separation from service or sooner upon the occurrence of certain events.

Footnote F6

Acquired upon achievement of certain performance criteria pursuant to the performance-based restricted stock units granted April 1, 2022, under the Issuer's 2022 Long Term Incentive Plan. The performance period for the restricted stock units was January 1, 2022, until December 31, 2024, with achievement of the applicable performance criteria subject to determination by the Issuer's Compensation Committee. This determination was obtained on March 25, 2025.

Footnote F7

The restricted performance units awarded on April 1, 2022 vesting on April 1, 2025. In accordance with a pre-established deferral election made by the reporting person, vested shares will be delivered to the reporting person upon separation from service or sooner upon the occurrence of certain events.

Footnote F8

The restricted stock units vest in three equal annual installments beginning April 1, 2025. In accordance with a pre-established deferral election made by the reporting person, vested shares will be delivered to the reporting person upon separation from service or sooner upon the occurrence of certain events.

Footnote F9

The restricted stock units vest in three equal annual installments beginning April 1, 2023. V In accordance with a pre-established deferral election made by the reporting person, vested shares will be delivered to the reporting person upon separation from service or sooner upon the occurrence of certain events.