Jenifer White Walden - 05 Sep 2025 Form 4 Insider Report for Columbia Financial, Inc. (CLBK)

Role: EVP & CHRO
Signature: /s/ Dennis E. Gibney, Power of Attorney
Issuer symbol: CLBK
Transactions as of: 05 Sep 2025
Net transactions value: +$533
Form type: 4
Filing time: 09 Sep 2025, 12:13:19 UTC
Previous filing: 26 Aug 2025
Next filing: 23 Sep 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Walden Jenifer White	EVP & CHRO	19-01 ROUTE 208 NORTH, FAIR LAWN	/s/ Dennis E. Gibney, Power of Attorney	09 Sep 2025	0001934144

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CLBK	Common Stock	Award	$533	+35	+1.3%	$15.01	2,775	05 Sep 2025	By Stock-Based Deferral Plan	F1
holding	CLBK	Common Stock						3,352	05 Sep 2025	Direct
holding	CLBK	Common Stock						2,073	05 Sep 2025	By ESOP
holding	CLBK	Common Stock						45	05 Sep 2025	By SERP
holding	CLBK	Common Stock						14	05 Sep 2025	By SIM
holding	CLBK	Common Stock						649	05 Sep 2025	By Stock Award	F2
holding	CLBK	Common Stock						7,106	05 Sep 2025	By Stock Award II	F3
holding	CLBK	Common Stock						6,964	05 Sep 2025	By Stock Award III	F4
holding	CLBK	Common Stock						6,521	05 Sep 2025	By Stock Award IV	F5

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	CLBK	Stock Options (right to buy)						5,540	05 Sep 2025	Common Stock	5,540	$20.54	Direct	F6
holding	CLBK	Stock Options (right to buy)						6,203	05 Sep 2025	Common Stock	6,203	$15.94	Direct	F7
holding	CLBK	Stock Options (right to buy)						5,107	05 Sep 2025	Common Stock	5,107	$16.49	Direct	F8
holding	CLBK	Stock Options (right to buy)						11,297	05 Sep 2025	Common Stock	11,297	$16.23	Direct	F9

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
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.
F2	Stock Awards granted pursuant to the Columbia Financial, Inc. 2019 Equity Incentive Plan, which vest in three equal annual installments commencing on October 31, 2023.
F3	Stock Awards granted pursuant to the Columbia Financial, Inc. 2019 Equity Incentive plan, 25% of which vest in three approximately equal annual installments commencing on May 1, 2024; and the remaining 75% of which vest upon achievement of certain specified performance-based vesting criteria, which if achieved, such Awards would vest three years after the date of the Award.
F4	Stock Awards granted pursuant to the Columbia Financial, Inc. 2019 Equity Incentive plan, 25% of which vest in three approximately equal annual installments commencing on March 6, 2025; and the remaining 75% of which vest upon achievement of certain specified performance-based vesting criteria, which if achieved, such Awards would vest three years after the date of the Award.
F5	Stock Awards granted pursuant to the Columbia Financial, Inc. 2019 Equity Incentive plan, which vest upon achievement of certain specified performance-based vesting criteria, which if achieved, such Awards would vest three years after the date of the Award on March 3, 2028.
F6	Stock Options granted pursuant to the Columbia Financial, Inc. 2019 Equity Incentive Plan vest in three equal annual installments commencing on October 31, 2023.
F7	Stock Options granted pursuant to the Columbia Financial, Inc. 2019 Equity Incentive Plan vest in three approximately equal annual installments commencing on May 1, 2024.
F8	Stock Options granted pursuant to the Columbia Financial, Inc. 2019 Equity Incentive Plan vest in three approximately equal annual installments commencing on March 6, 2025.
F9	Stock Options granted pursuant to the Columbia Financial, Inc. 2019 Equity Incentive Plan vest in three approximately equal annual installments commencing on March 3, 2026.