John Neil Mason - 24 Feb 2026 Form 4 Insider Report for Gouverneur Bancorp, Inc./MD/ (GOVB)

Role: Director
Signature: /s/ Stephen F. Donahoe, Power of Attorney
Issuer symbol: GOVB
Transactions as of: 24 Feb 2026
Net transactions value: +$6,612
Form type: 4
Filing time: 24 Feb 2026, 17:43:00 UTC
Previous filing: 13 Feb 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Mason John Neil	Director	42 CHURCH STREET, GOUVERNEUR	/s/ Stephen F. Donahoe, Power of Attorney	24 Feb 2026	0001995265

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	GOVB	Common Stock	Options Exercise	$6,612	+542	+17%	$12.20	3,789	24 Feb 2026	Direct	F1
holding	GOVB	Common Stock						992	24 Feb 2026	By Stock Award	F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	GOVB	Stock Option (right to buy)	Options Exercise	$0	-542	-20%	$0.000000	2,170	24 Feb 2026	Common Stock	542	$12.20	Direct	F3

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

Explanation of Responses:

Id	Content
F1	The number of shares held directly includes certain shares that were previously held by Stock Award and that have subsequently vested.
F2	Stock Awards granted pursuant to the Gouverneur Bancorp, Inc. 2025 Equity Incentive Plan vest in approximately five equal annual installments commencing on February 11, 2026.
F3	Stock Options granted pursuant to the Gouverneur Bancorp, Inc. 2025 Equity Incentive Plan vest in five approximately equal annual installments commencing on February 11, 2026.