Columbia Financial director buys 10,000 CLBK shares

Columbia Financial, Inc. director James Michael Kuiken reported purchasing 10,000 shares of common stock on July 20, 2026 at $10.00 per share, held indirectly through an IRA.

Rhea-AI Filing Summary

Columbia Financial, Inc. director James Michael Kuiken reported purchasing 10,000 shares of common stock on July 20, 2026 at $10.00 per share, held indirectly through an IRA. Following this purchase, he reported 10,000 indirect IRA shares, 35,356 directly held shares, and 6,494 additional indirect shares as stock awards that vest on March 12, 2027 under the 2019 Equity Incentive Plan.

Insider Trade Summary

Net Buyer: 10,000 shares

Net Buy 3 txns

Insider Kuiken James Michael

Role Director

Bought 10,000 shs ($100K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	10,000	$10.00	$100K
holding	Common Stock	--	--	--
holding	Common Stock F1	--	--	--

Holdings After Transaction: Common Stock — 10,000 shares (Indirect, By IRA); Common Stock — 35,356 shares (Direct); Common Stock — 6,494 shares (Indirect, By Stock Award V)

Footnotes (1)

1. F1. Stock Awards granted pursuant to the Columbia Financial, Inc. 2019 Equity Incentive Plan which vest in one year on March 12, 2027.

Key Figures

Shares purchased: 10,000 shares Purchase price: $10.00 per share Indirect IRA holdings after purchase: 10,000 shares +3 more

6 metrics

Shares purchased 10,000 shares Common Stock bought on July 20, 2026

Purchase price $10.00 per share Common Stock purchase on July 20, 2026

Indirect IRA holdings after purchase 10,000 shares Common Stock held indirectly by IRA following transaction

Direct holdings after transaction 35,356 shares Common Stock held directly by reporting person

Indirect stock award holdings 6,494 shares Stock Awards held indirectly, vesting March 12, 2027

Vesting date for stock awards March 12, 2027 Vesting date for 6,494 Stock Award shares

Key Terms

IRA, Stock Awards, 2019 Equity Incentive Plan, indirect ownership

4 terms

IRA financial

"10,000 shares were held indirectly "By IRA" after the purchase"

An individual retirement account (IRA) is a savings account designed to help people put aside money for their retirement, often with tax advantages that encourage long-term savings. It matters to investors because it can grow over time, providing financial security later in life, and offers benefits that can reduce current taxes or allow investments to compound more effectively.

Stock Awards financial

"6,494 shares were held indirectly "By Stock Award V""

2019 Equity Incentive Plan financial

"Stock Awards granted pursuant to the Columbia Financial, Inc. 2019 Equity Incentive Plan"

indirect ownership financial

"Ownership type marked as indirect with nature of ownership By IRA"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did CLBK director James Michael Kuiken report?

James Michael Kuiken reported purchasing 10,000 shares of Columbia Financial, Inc. common stock on July 20, 2026 at $10.00 per share, held indirectly through an IRA, increasing his reported ownership positions.

How many CLBK shares did James Michael Kuiken buy and at what price?

He bought 10,000 shares of Columbia Financial, Inc. (CLBK) common stock at $10.00 per share. The transaction was reported as an indirect purchase through an IRA on July 20, 2026.

What are James Michael Kuiken’s total direct CLBK holdings after this Form 4?

After the reported transactions, James Michael Kuiken reported 35,356 shares of Columbia Financial, Inc. common stock held directly, separate from his indirect IRA and stock award holdings disclosed in the same filing.

What indirect CLBK holdings does James Michael Kuiken report after the transaction?

He reports 10,000 shares held indirectly via an IRA from the July 20, 2026 purchase and 6,494 shares held indirectly as Stock Awards under the 2019 Equity Incentive Plan.

When do James Michael Kuiken’s CLBK stock awards vest and how many shares are included?

A footnote states that 6,494 Stock Award shares were granted under the 2019 Equity Incentive Plan and will vest in one year on March 12, 2027, subject to the plan’s terms.

Was the CLBK insider purchase by James Michael Kuiken under a Rule 10b5-1 plan?

The Form 4 indicates the Rule 10b5-1 checkbox is not marked as used for this transaction, and there is no footnote stating that the July 20, 2026 purchase was made under a trading plan.

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

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Accepted by SEC EDGAR 07/22/2026 - 09:19 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^*

Kuiken James Michael

(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)
07/20/2026

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	07/20/2026		P		10,000	A	$10	10,000	I	By IRA
Common Stock								35,356	D
Common Stock								6,494	I	By Stock Award V(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

Explanation of Responses:

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

Remarks:

Exhibit List: Exhibit 24 Power of Attorney

	/s/ Thomas F. Splaine, Jr., Power of Attorney	07/22/2026
	** 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)