FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Michie James Arvo 2. Issuer Name and Ticker or Trading Symbol S&T BANCORP INC [STBA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Executive Vice President (Last) (First) (Middle) 800 PHILADELPHIA STREET 3. Date of Earliest Transaction (Month/Day/Year) 04/01/2025 (Street) INDIANA, PA 15701 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 04/01/2025 M(1) 1,686 A $37.15 4,345 D Common Stock 04/01/2025 F(2) 574 D $37.15 3,771 D Common Stock 04/01/2025 M(1) 335 A $37.15 4,106 D Common Stock 04/01/2025 F(2) 115 D $37.15 3,991 D Common Stock 04/01/2025 M(1) 698 A $37.15 4,689 D Common Stock 04/01/2025 F(2) 238 D $37.15 4,451 D Common Stock 04/01/2025 M(1) 750 A $37.15 5,201 D Common Stock 04/01/2025 F(2) 256 D $37.15 4,945 D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Underlying Securities (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(3)							(4)	(4)	Common Stock	1,700		1,700	D
Restricted Stock Units	(5)	04/01/2025		A		1,686		(6)	(6)	Common Stock	1,686	$ 0	1,686	D
Restricted Stock Units	(5)	04/01/2025		M(1)			1,686	(6)	(6)	Common Stock	1,686	$ 0	0	D
Restricted Stock Units	(3)	04/01/2025		M(1)			335	(7)	(7)	Common Stock	335	$ 0	0	D
Restricted Stock Units	(3)	04/01/2025		M(1)			698	(8)	(8)	Common Stock	698	$ 0	721	D
Restricted Stock Units(9)	(3)	04/01/2025		M(1)			750	(10)	(10)	Common Stock	750	$ 0	1,523	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Michie James Arvo 800 PHILADELPHIA STREET INDIANA, PA 15701			Executive Vice President

Signatures

/s/ Susan L. Rager-Parr, attorney-in-fact for James Arvo Michie		04/03/2025
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Upon vest, automatically converts into equal number of shares of common stock.
(2)	Shares of common stock withheld for payment of tax liability for vested and converted RSU's.
(3)	Each restricted stock unit represents a contingent right to receive one share of S&T Bancorp, Inc. common stock.
(4)	The Registrant awarded a special grant to the executive officer that will vest equally over the three successive anniversary dates of the grant date.
(5)	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.
(6)	The restricted performance units awarded on April 1, 2022 vesting on April 1, 2025. Vested shares will be delivered to the reporting person upon vesting.
(7)	The restricted stock units vest in three equal annual installments beginning April 1, 2023. Vested shares will be delivered to the reporting person upon vesting.
(8)	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.
(9)	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.
(10)	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.

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