[Form 4] Columbia Financial, Inc./MD/ Insider Trading Activity

Columbia Financial, Inc. (symbol: CLBK) is the issuer of record for a Form 4 filing submitted to the SEC.

Rhea-AI Filing Summary

Columbia Financial, Inc. (symbol: CLBK) is the issuer of record for a Form 4 filing submitted to the SEC.

Insider Trade Summary

Grant/Award: 14.5658 shares

Grant/Award 5 txns

Insider Holland Noel R.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1	14.5658	$11.70	$170.42
holding	Stock Options (right to buy) F3	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock F2	--	--	--

Holdings After Transaction: Common Stock — 29,832.546 shares (Indirect, By Stock-Based Deferral Plan); Stock Options (right to buy) — 183,246 contracts (Direct); Common Stock — 80,797 shares (Direct); Common Stock — 109,316 shares (Indirect, By SEP-IRA); Common Stock — 6,494 shares (Indirect, By Stock Award V)

Footnotes (3)

1. F1. Represents phantom stock purchased, on a non-discretionary basis, by the trustee of the Bank's rabbi trust maintained in connection with the Columbia Bank Stock Based Deferral Plan, a non-qualified stock-based deferral plan. Stock unit interests under the Columbia Bank Stock Based Deferral Plan will be settled in shares of stock upon distribution to the reporting person.
2. F2. Stock Awards granted pursuant to the Columbia Financial, Inc. 2019 Equity Incentive Plan which vest in one year on March 12, 2027.
3. F3. Stock Options granted pursuant to the Columbia Financial, Inc. 2019 Equity Incentive Plan are fully vested and exercisable.

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Available on EDGAR 09/09/2026 - 12:20 PM Accepted by SEC EDGAR 09/09/2026 - 12:20 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^*

Holland Noel R.

(Last) (First) (Middle)

19-01 ROUTE 208 NORTH

(Street)

FAIR LAWN NEW JERSEY 07410

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Columbia Financial, Inc./MD/ [ CLBK ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/04/2026

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

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

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/04/2026		A		14.5658(1)	A	$11.7	29,832.546	I	By Stock-Based Deferral Plan
Common Stock								80,797	D
Common Stock								109,316	I	By SEP-IRA
Common Stock								6,494	I	By Stock Award V(2)

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 (right to buy)	$7.1							07/23/2020(3)	07/23/2029	Common Stock	183,246		183,246	D

Explanation of Responses:

1. Represents phantom stock purchased, on a non-discretionary basis, by the trustee of the Bank's rabbi trust maintained in connection with the Columbia Bank Stock Based Deferral Plan, a non-qualified stock-based deferral plan. Stock unit interests under the Columbia Bank Stock Based Deferral Plan will be settled in shares of stock upon distribution to the reporting person.

2. Stock Awards granted pursuant to the Columbia Financial, Inc. 2019 Equity Incentive Plan which vest in one year on March 12, 2027.

3. Stock Options granted pursuant to the Columbia Financial, Inc. 2019 Equity Incentive Plan are fully vested and exercisable.

Remarks:

	/s/ Thomas F. Splaine, Jr., Power of Attorney	09/09/2026
	** 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.
* Form 4: SEC 1474 (03-26)