S&T Bancorp director exercises RSUs, gets new grant

S&T Bancorp Inc. director Jeffrey D. Grube reported equity compensation changes.

Rhea-AI Filing Summary

S&T Bancorp Inc. director Jeffrey D. Grube reported equity compensation changes. He exercised 1,290 shares of Director Restricted Stock Units into an equal number of Common Stock shares at $44.03 per share, bringing his direct common stock holdings to 46,275 shares.

Grube also received a new grant of 1,136 Director Restricted Stock Units. Each unit represents a contingent right to receive one share of S&T Bancorp common stock and will vest in 364 days from the date of issuance, after which vested shares will be delivered to him.

Insider Trade Summary

1,290 shares exercised/converted

Exercise 3 txns

Insider GRUBE JEFFREY D

Role Director

Type	Security	Shares	Price	Value
Exercise	Director Restricted Stock Units	1,290	$0.00	$0.00
Grant/Award	Director Restricted Stock Units	1,136	$0.00	$0.00
Exercise	Common Stock	1,290	$44.03	$57K

Holdings After Transaction: Director Restricted Stock Units — 1,136 contracts (Direct); Common Stock — 46,275 shares (Direct)

Footnotes (3)

1. F1. Upon vest, automatically converts into equal number of shares of common stock.
2. F2. Each restricted stock unit represents a contingent right to receive one share of S&T Bancorp, Inc. common stock.
3. F3. The restricted stock units vest in 364 days from date of issuance. Vested shares will be delivered to the reporting person upon vesting.

Key Figures

RSUs exercised: 1,290 shares Exercise price: $44.03 per share Common shares held: 46,275 shares +2 more

5 metrics

RSUs exercised 1,290 shares Director Restricted Stock Units converted to Common Stock

Exercise price $44.03 per share Price for RSUs exercised into Common Stock

Common shares held 46,275 shares Direct Common Stock holdings after transactions

New RSU grant 1,136 units Director Restricted Stock Units granted to Jeffrey D. Grube

RSU vesting period 364 days New Director Restricted Stock Units vest 364 days from issuance

Key Terms

Director Restricted Stock Units, restricted stock units, derivative security, contingent right

4 terms

Director Restricted Stock Units financial

"security_title: "Director Restricted Stock Units""

Director restricted stock units are promises by a company to give board members company shares in the future, usually after a set time or when certain conditions are met. They matter to investors because they can dilute existing shareholders when converted to shares and reveal how the board’s pay is tied to the company’s performance—like a delayed paycheck in company stock that aligns a director’s interests with shareholders and can affect share supply when released.

restricted stock units financial

"The restricted stock units vest in 364 days from date of issuance."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

derivative security financial

"transaction_code_description: "Exercise or conversion of derivative security""

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

contingent right financial

"Each restricted stock unit represents a contingent right to receive one share"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did S&T Bancorp (STBA) director Jeffrey Grube report?

Director Jeffrey D. Grube exercised 1,290 Director Restricted Stock Units into common stock at $44.03 per share and received a new grant of 1,136 Director Restricted Stock Units that will convert into common shares upon vesting.

How many S&T Bancorp (STBA) shares does Jeffrey Grube hold after these transactions?

After exercising 1,290 Director Restricted Stock Units, Jeffrey D. Grube directly holds 46,275 shares of S&T Bancorp common stock. This figure reflects his position immediately following the reported transactions on the Form 4.

What are the terms of the new Director Restricted Stock Units granted to S&T Bancorp (STBA) director Jeffrey Grube?

Jeffrey D. Grube received 1,136 Director Restricted Stock Units, each representing a contingent right to one S&T Bancorp common share. These units vest in 364 days from the issuance date, and vested shares will be delivered to him upon vesting.

Did Jeffrey Grube buy or sell S&T Bancorp (STBA) shares on the open market?

The filing shows no open-market buys or sells. Jeffrey D. Grube’s activity consists of exercising 1,290 Director Restricted Stock Units into common stock and receiving a grant of 1,136 new restricted stock units as equity compensation.

What does exercising Director Restricted Stock Units mean for S&T Bancorp (STBA) director Jeffrey Grube?

Exercising 1,290 Director Restricted Stock Units converted them into 1,290 S&T Bancorp common shares at a reported price of $44.03 per share, increasing Jeffrey D. Grube’s direct common stock holdings to 46,275 shares after the transactions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 05/14/2026 - 03:51 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^*

GRUBE JEFFREY D

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/12/2026

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	05/12/2026		M(1)		1,290	A	$44.03	46,275	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
Director Restricted Stock Units	(2)	05/12/2026		M(1)			1,290	(3)	(3)	Common Stock	1,290	$0	0	D
Director Restricted Stock Units	(2)	05/12/2026		A		1,136		(3)	(3)	Common Stock	1,136	$0	1,136	D

Explanation of Responses:

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

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

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

Remarks:

	/s/ Jackie Kennane, attorney-in-fact for Jeffrey D. Grube	05/14/2026
	** 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)