Northfield Bancorp CEO sells shares for tax bill

Northfield Bancorp, Inc. Chairman, President & CEO Steven M. Klein reported routine share sales to cover taxes tied to an equity award vesting.

Rhea-AI Filing Summary

Northfield Bancorp, Inc. Chairman, President & CEO Steven M. Klein reported routine share sales to cover taxes tied to an equity award vesting. On January 24, 2026, he disposed of 3,957 shares of common stock at $11.89 per share, and on January 26, 2026, he disposed of an additional 2,680 shares at the same price, both coded "F" for tax-withholding related transactions. After these moves, he directly owned 477,305 common shares.

He also reported indirect holdings of common stock, including 55,459.19 shares by an ESOP and 65,806.61 shares by a 401(k), plus 40,000 stock options exercisable at $16.89 per share and expiring on November 1, 2027. The filing notes that some reflected plan transactions are not required to be reported under Section 16, underscoring the administrative nature of these updates.

Insider Trade Summary

Exercise Price or Tax Liability: 6,637 shares

Exercise Price or Tax Liability 5 txns

Insider Klein Steven M

Role Chairman, President & CEO

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	2,680	$11.89	$32K
Exercise Price or Tax Liability	Common Stock	3,957	$11.89	$47K
holding	Stock Options	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 477,305 shares (Direct); Stock Options — 40,000 contracts (Direct); Common Stock — 55,459.19 shares (Indirect, By ESOP); Common Stock — 65,806.61 shares (Indirect, By 401(k))

Footnotes (2)

1. F1. Represents shares sold by the Reporting Person to satisfy tax obligations in connection with the vesting of an equity award.
2. F2. Reflects transactions not required to be reported pursuant to Section 16 of the Security Exchange Act of 1934, as amended.

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Accepted by SEC EDGAR 01/27/2026 - 03:42 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^*

Klein Steven M

(Last) (First) (Middle)

581 MAIN STREET, SUITE 810

(Street)

WOODBRIDGE NJ 07095

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Northfield Bancorp, Inc. [ NFBK ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chairman, President & CEO

3. Date of Earliest Transaction (Month/Day/Year)
01/24/2026

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

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

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

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	01/24/2026		F		3,957(1)	D	$11.89	479,985	D
Common Stock	01/26/2026		F		2,680(1)	D	$11.89	477,305	D
Common Stock								55,459.19(2)	I	By ESOP
Common Stock								65,806.61(2)	I	By 401(k)

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
Stock Options	$16.89							11/01/2018	11/01/2027	Common Stock	40,000		40,000	D

Explanation of Responses:

1. Represents shares sold by the Reporting Person to satisfy tax obligations in connection with the vesting of an equity award.

2. Reflects transactions not required to be reported pursuant to Section 16 of the Security Exchange Act of 1934, as amended.

Remarks:

	/s/ William R. Jacobs, pursuant to Power of Attorney	01/27/2026
	** 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.