NICHOLSON SUSAN A (Executive Vice President) exercised options at S&T BANCORP INC

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise

NICHOLSON SUSAN A

Filed: 7/31/2026ACC: 0000719220-26-000092

InsiderNICHOLSON SUSAN ACIK 1920913

→

IssuerS&T BANCORP INCCIK 719220

Officer· Executive Vice President

Since Mar 2022

-434.00

Net shares

Net seller

$23.0K

Total sold

Open market trades

0B · 0S

Total transactions

990.00 acquired · 1.42K disposed

Non-Derivative Transactions2

Common Stock

Direct

M · Option Exercise

+990.00

Price / share

$52.95

Trade value

$52.42K

% of position

11.0%

7/29/2026

8.98K→9.97K

Common Stock

Direct

F · Tax Withholding

−434.00

Price / share

$52.95

Trade value

$22.98K

% of position

4.4%

7/29/2026

9.97K→9.54K

Total

Net shares

+556.00

Net value

$29.44K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	7/29/2026	M · Option Exercise	+990.00	$52.95	$52.42K	11.0%	8.98K	9.97K
Common Stock Direct	7/29/2026	F · Tax Withholding	−434.00	$52.95	$22.98K	4.4%	9.97K	9.54K
Total			+556.00		$29.44K

Derivative Transactions1

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

990.00 shares

−990.00

Strike price

Held after

1.02K

Exercisable

—

7/29/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Restricted Stock Units Direct	Common Stock990.00 shares	7/29/2026	M · Option Exercise	−990.00		—	1.02K

Non-Derivative Holdings (Post-Transaction)0

No non-derivative holdings reported

Derivative Holdings (Post-Transaction)4

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

1.17K

Shares owned

1.17K

Exercise price

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

Shares owned

Exercise price

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

705.00

Shares owned

705.00

Exercise price

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

1.66K

Shares owned

1.66K

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

6.53K

Owned

6.53K

Security	Underlying	Exercise Window	Expiration	Underlying Shares	Shares Owned
Restricted Stock Units Direct	Common Stock	—	—	1.17K	1.17K
Restricted Stock Units Direct	Common Stock	—	—	3K	3K
Restricted Stock Units Direct	Common Stock	—	—	705.00	705.00
Restricted Stock Units Direct	Common Stock	—	—	1.66K	1.66K
Total				6.53K	6.53K