[Form 4/A] Northfield Bancorp, Inc. Amended Insider Trading Activity

Rhea-AI Filing Summary

Northfield Bancorp, Inc. executive vice president and principal accounting officer William R. Jacobs reported receiving 15,888 restricted stock units on February 4, 2026. Each unit represents a right to receive cash equal to the value of one share of common stock at vesting, in three equal annual installments beginning one year after the grant date.

After this award, Jacobs directly holds 15,888 restricted stock units and also reports beneficial ownership of common stock through plan accounts, including 69,065 shares held directly, 12,718.99 shares through a 401(k) plan, and 35,846.22 shares through an ESOP.

Insider Trade Summary

4 transactions reported

Mixed 4 txns

Insider Jacobs William R.

Role EVP & PAO

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	15,888	$0.00	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Restricted Stock Units — 15,888 shares (Direct); Common Stock — 69,065 shares (Direct); Common Stock — 12,718.99 shares (Indirect, By 401(k))

Footnotes (1)

1. Reflects transactions not required to be reported pursuant to Section 16 of the Securities Exchange Act of 1934, as amended. Each restricted stock unit represents a contingent right to receive cash equal to the value of one share of Issuer common stock on date of vesting. Restricted stock units vest in three equal annual installments beginning one year following the date of grant.

Form 4 Insider Transactions: What Each Field Means →

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^*

Jacobs William R.

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
02/04/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)
02/05/2026

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

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

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								69,065	D
Common Stock								12,718.99	I	By 401(k)(1)
Common Stock								35,846.22	I	By ESOP(1)

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
Restricted Stock Units	(2)	02/04/2026		A		15,888		(3)	(3)	Common Stock	15,888	$0	15,888	D

Explanation of Responses:

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

2. Each restricted stock unit represents a contingent right to receive cash equal to the value of one share of Issuer common stock on date of vesting.

3. Restricted stock units vest in three equal annual installments beginning one year following the date of grant.

Remarks:

	/s/ William R. Jacobs	02/06/2026
	** 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.
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