Robin Lefkowitz - 14 Jul 2026 Form 4 Insider Report for Northfield Bancorp, Inc. (NFBK)

Reporting relationship: EVP
Issuer ticker: NFBK
Reported as of: 14 Jul 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 15 Jul 2026, 13:03:24 UTC
Prior SEC filing: 06 Feb 2026
Next SEC filing: 20 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ William R. Jacobs, pursuant to Power of Attorney

Key filing fact

Robin Lefkowitz filed Form 4 for Northfield Bancorp, Inc. (NFBK) on 15 Jul 2026.

Key facts

This page summarizes Robin Lefkowitz's Form 4 filing for Northfield Bancorp, Inc. (NFBK).
1 reported transaction and 2 derivative rows are listed below.
Accepted by SEC: 15 Jul 2026, 13:03.

Change

Previous filing in this sequence was filed on 06 Feb 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 0001667478 Primary reporting owner

Lefkowitz Robin

Relationship: EVP
Address: 581 MAIN STREET, SUITE 810, WOODBRIDGE
Signature: /s/ William R. Jacobs, pursuant to Power of Attorney
Signature date: 15 Jul 2026

Reported non-derivative transactions

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

NFBK transaction

Common Stock

Tax liability

Transaction value
Shares: -3,423
Change %: -13%
Price: $14.72^*
Shares after: 23,534
Date: 14 Jul 2026
Ownership: Direct
Footnotes: F1

NFBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 26,136
Date: 14 Jul 2026
Ownership: By 401(k)
Footnotes: F2

NFBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 38,388
Date: 14 Jul 2026
Ownership: By ESOP
Footnotes: F2

Reported derivative securities

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

NFBK holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 13,879
Date: 14 Jul 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 13,879
Exercise price
Footnotes: F3, F4

NFBK holding Derivative

Stock Options

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 40,000
Date: 14 Jul 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 40,000
Exercise price: $18.44

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

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

Footnote F2

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

Footnote F3

Each restricted stock unit represents a contingent right to receive cash equal to the value of one share of Issuer common stock

Footnote F4

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