GARY L. GUERRIERI - 10 Dec 2025 Form 4 Insider Report for FNB CORP/PA/ (FNB)

Role: Chief Credit Officer
Signature: Gary L. Guerrieri
Issuer symbol: FNB
Transactions as of: 10 Dec 2025
Net transactions value: -$265,050
Form type: 4
Filing time: 12 Dec 2025, 17:00:00 UTC
Previous filing: 20 Mar 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
GUERRIERI GARY L	Chief Credit Officer	626 WASHINGTON PLACE, PITTSBURGH	Gary L. Guerrieri	12 Dec 2025	0001438642

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	FNB	Common Stock	Sale	$265,050	-15,000	-5.1%	$17.67	279,883	10 Dec 2025	Direct	F1
holding	FNB	Common Stock						920	10 Dec 2025	As custodian for child
holding	FNB	Common Stock						87,344	10 Dec 2025	By 401K Plan

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The total reported in Column 5 also includes shares acquired under the Company's dividend reinvestment plan and dividend equivalent units accrued on restricted stock units since the last filing by the reporting person.