Paul Stahlin - 20 Jul 2026 Form 4 Insider Report for Northfield Bancorp, Inc. (NFBK)

Reporting relationship: Director
Issuer ticker: NFBK
Reported as of: 20 Jul 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 20 Jul 2026, 21:35:58 UTC
Prior SEC filing: 17 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ William R. Jacobs, pursuant to Power of Attorney

Key filing fact

Paul Stahlin filed Form 4 for Northfield Bancorp, Inc. (NFBK) on 20 Jul 2026.

Key facts

This page summarizes Paul Stahlin's Form 4 filing for Northfield Bancorp, Inc. (NFBK).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 20 Jul 2026, 21:35.

Change

Previous filing in this sequence was filed on 17 Jun 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001764337 Primary reporting owner

Stahlin Paul

Relationship: Director
Address: 581 MAIN STREET, SUITE 810, WOODBRIDGE
Signature: /s/ William R. Jacobs, pursuant to Power of Attorney
Signature date: 20 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

NFBK transaction

Common Stock

Disposed to Issuer

Transaction value
Shares: -54,354
Change %: -100%
Price
Shares after: 0
Date: 20 Jul 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

NFBK transaction Derivative

Restricted Stock Units

Disposed to Issuer

Transaction value
Shares: -4,383
Change %: -100%
Price
Shares after: 0
Date: 20 Jul 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 4,383
Exercise price
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Section 16 status

Paul Stahlin is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.

Explanation of responses 2 footnotes

Footnote F1

Pursuant to the Agreement and Plan of Merger dated as of January 31, 2026, by and among Columbia Financial, Inc., a Delaware corporation, Columbia Financial, Inc., a Maryland corporation (Newco), Columbia Bank MHC and Northfield Bancorp, Inc. (Merger Agreement), at the effective time of the merger between Northfield Bancorp, Inc, and Newco, each issued and outstanding share of Northfield Bancorp, Inc. common stock was converted into the right to receive, at the election of the holder, either (i) 1.425 shares of Newco common stock or (ii) $14.25 in cash.

Footnote F2

Pursuant to the Merger Agreement, each restricted stock unit was converted into the right to receive 1.425 units that will be settled in cash based on the closing price of Newco common stock on the day of vesting.