S&T BANCORP INC - Director's Dealing 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: S&T BANCORP INC (STBA)
CIK: 0000719220
Period of Report: 2025-05-13

Reporting Person: Cassotis Christina Anne (Director)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-05-13	Common Stock	M	1573	$38.76	Acquired	15280.3724	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-05-13	Director Restricted Stock Units	$	M	1573	Disposed		Common Stock (1573)	Direct
2025-05-13	Director Restricted Stock Units	$	A	1290	Acquired		Common Stock (1290)	Direct

F1: Upon vest, automatically converts into equal number of shares of common stock.

F2: Each restricted stock unit represents a contingent right to receive one share of S&T Bancorp, Inc. common stock.

F3: The restricted stock units vest in 364 days from date of issuance. Vested shares will be delivered to the reporting person upon vesting.