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Northfield Bancorp (NFBK) director’s 267k shares converted in Columbia Financial merger

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Northfield Bancorp, Inc. director Frank P. Patafio reported the disposition to the issuer of 267,362 shares of common stock and 4,383 restricted stock units on July 20, 2026, leaving him with no reported Northfield common stock or RSUs following these transactions.

These dispositions occurred in connection with a merger under an Agreement and Plan of Merger dated January 31, 2026 with Columbia Financial, Inc. At the effective time, each Northfield common share was converted into the right to receive either 1.425 shares of Newco common stock or $14.25 in cash. Each restricted stock unit was converted into the right to receive 1.425 cash-settled units based on Newco’s closing stock price on the vesting date.

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Insider Patafio Frank P.
Role Director
Type Security Shares Price Value
Disposition Restricted Stock Units F2 4,383 -- --
Disposition Common Stock F1 267,362 -- --
Holdings After Transaction: Restricted Stock Units — 0 shares (Direct); Common Stock — 0 shares (Direct)
Footnotes (2)
  1. 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.
  2. 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.
Common shares disposed 267,362 shares Issuer disposition of Northfield Bancorp common stock by director on July 20, 2026
Restricted stock units disposed 4,383 units Issuer disposition of restricted stock units with underlying Northfield common stock
Stock consideration ratio 1.425 shares Newco common stock per Northfield Bancorp common share in the merger
Cash consideration per share $14.25 Cash alternative per Northfield Bancorp common share in the merger
RSU conversion ratio 1.425 units Cash-settled units received per restricted stock unit under the merger agreement
Agreement and Plan of Merger regulatory
"Pursuant to the Agreement and Plan of Merger dated as of January 31, 2026"
An Agreement and Plan of Merger is a formal document where two companies agree to combine into one, outlining how the process will happen. It’s like a step-by-step plan for merging, and it matters because it shows both sides have agreed on the details before the official transition takes place.
restricted stock unit financial
"each restricted stock unit was converted into the right to receive 1.425 units"
A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.
effective time of the merger regulatory
"at the effective time of the merger between Northfield Bancorp, Inc, and Newco"
The effective time of the merger is the exact moment when a planned combination of two companies legally takes effect, usually specified in the merger agreement and reflected by the formal filing or timestamp. For investors, it is the point when ownership, voting rights, financial reporting and control shift—like a light switch flipping that joins two rooms into one—so it determines when shares convert, who controls corporate decisions and which results appear in financial statements.
cash settled financial
"1.425 units that will be settled in cash based on the closing price"
A contract described as cash settled is one where, at the end, one party pays the monetary difference in value rather than delivering the actual underlying asset. For investors this matters because it simplifies transactions (like settling a bet by paying the win amount instead of handing over a physical item), affects liquidity and timing of cash flows, and changes exposure to storage, delivery logistics and certain tax or counterparty considerations.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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FAQ

What insider transaction did Northfield Bancorp (NFBK) director Frank P. Patafio report?

Frank P. Patafio reported disposing of 267,362 shares of Northfield Bancorp common stock and 4,383 restricted stock units. These were issuer dispositions tied to the completion of a merger with Columbia Financial, converting his Northfield holdings into merger consideration.

How were Northfield Bancorp (NFBK) common shares treated in the Columbia Financial merger?

Each Northfield common share was converted into the right to receive 1.425 shares of Newco common stock or $14.25 in cash, at the holder’s election. This applies to all issued and outstanding Northfield Bancorp common shares at the merger’s effective time.

What happened to Frank P. Patafio’s restricted stock units in Northfield Bancorp (NFBK)?

His 4,383 restricted stock units were disposed of to the issuer and, under the merger terms, each RSU was converted into 1.425 cash-settled units. Those units will be settled in cash using the closing price of Newco common stock on the vesting date.

Did Frank P. Patafio retain any Northfield Bancorp (NFBK) common stock after the merger-related transactions?

No. After the reported issuer disposition of 267,362 common shares, his reported holdings of Northfield Bancorp common stock were 0 shares. His economic interest shifted to the merger consideration in Newco stock or cash, as provided in the merger agreement.

What is the key consideration structure in the Northfield Bancorp (NFBK) merger with Columbia Financial?

For each Northfield share, holders became entitled to either 1.425 Newco common shares or $14.25 in cash. The choice was at each holder’s election, with the merger effective time triggering conversion of all issued and outstanding Northfield common shares.
SEC Form 4
FORM 4UNITED 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
X
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*
Patafio Frank P.

(Last)(First)(Middle)
581 MAIN STREET, SUITE 810

(Street)
WOODBRIDGE NEW JERSEY 07095

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Northfield Bancorp, Inc. [ NFBK ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/20/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
CodeVAmount(A) or (D)Price
Common Stock07/20/2026D267,362D(1)0D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units(2)07/20/2026D4,383 (2) (2)Common Stock4,383(2)0D
Explanation of Responses:
1. 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.
2. 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.
Remarks:
/s/ William R. Jacobs, pursuant to Power of Attorney07/20/2026
** Signature of Reporting PersonDate
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.
* Form 4: SEC 1474 (03-26)