S&T Bancorp EVP granted 1,500 RSUs on June 1

S&T Bancorp Inc Executive Vice President Rachel Lynn Smydo received a grant of 1,500 restricted stock units on June 1, 2026.

Rhea-AI Filing Summary

S&T Bancorp Inc Executive Vice President Rachel Lynn Smydo received a grant of 1,500 restricted stock units on June 1, 2026. Each restricted stock unit represents a contingent right to receive one share of S&T Bancorp common stock and carries a zero exercise price.

The new 1,500-unit award vests in three equal annual installments beginning June 1, 2027, with shares delivered upon vesting. Smydo also holds 11,767 shares of common stock directly and several earlier restricted stock unit awards of 1,755, 1,219, and 722 units that vest in three equal installments beginning April 1, 2025, 2026, and 2027.

Insider Trade Summary

Grant/Award: 1,500 shares

Grant/Award 5 txns

Insider Smydo Rachel Lynn

Role Executive Vice President

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	1,500	$0.00	$0.00
holding	Restricted Stock Units	--	--	--
holding	Restricted Stock Units	--	--	--
holding	Restricted Stock Units	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Restricted Stock Units — 5,196 contracts for 3,696 underlying shares (Direct); Common Stock — 11,767 shares (Direct)

Footnotes (5)

1. F1. Each restricted stock unit represents a contingent right to receive one share of S&T Bancorp, Inc. common stock.
2. F2. The restricted stock units vest in three equal annual installments beginning June 1, 2027. Vested shares will be delivered to the reporting person upon vesting.
3. F3. 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.
4. 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.
5. F5. 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.

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Accepted by SEC EDGAR 06/03/2026 - 02:51 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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 for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Smydo Rachel Lynn

(Last) (First) (Middle)

800 PHILADELPHIA STREET

(Street)

INDIANA PENNSYLVANIA 15701

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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								11,767	D

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 Securities Underlying Derivative Security (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: 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	(1)	06/01/2026		A		1,500		(2)	(2)	Common Stock	1,500	$0	1,500	D
Restricted Stock Units	(1)							(3)	(3)	Common Stock	1,219		1,219	D
Restricted Stock Units	(1)							(4)	(4)	Common Stock	722		722	D
Restricted Stock Units	(1)							(5)	(5)	Common Stock	1,755		1,755	D

Explanation of Responses:

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

2. The restricted stock units vest in three equal annual installments beginning June 1, 2027. Vested shares will be delivered to the reporting person upon vesting.

3. 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.

4. 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.

5. 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.

Remarks:

	/s/ Jackie Kennane, attorney-in-fact for Rachel Lynn Smydo	06/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)