Mayra Liseth Rinaldi - 01 May 2025 Form 4 Insider Report for Columbia Financial, Inc. (CLBK)

Role: EVP, Corp Governance & Culture
Signature: /s/ Dennis E. Gibney, Power of Attorney
Issuer symbol: CLBK
Transactions as of: 01 May 2025
Net transactions value: -$4,069
Form type: 4
Filing time: 05 May 2025, 15:23:37 UTC
Previous filing: 10 Mar 2025
Next filing: 04 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Rinaldi Mayra Liseth	EVP, Corp Governance & Culture	19-01 ROUTE 208 NORTH, FAIR LAWN	/s/ Dennis E. Gibney, Power of Attorney	05 May 2025	0001957684

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CLBK	Common Stock	Tax liability	$4,069	-277	-1.5%	$14.69	18,160	01 May 2025	Direct	F1
holding	CLBK	Common Stock						7,249	01 May 2025	By 401(k)
holding	CLBK	Common Stock						6,686	01 May 2025	By ESOP	F2
holding	CLBK	Common Stock						68	01 May 2025	By SERP
holding	CLBK	Common Stock						200	01 May 2025	By UTMA Custodian for Daughter
holding	CLBK	Common Stock						40	01 May 2025	By UTMA Custodian for God Daughter
holding	CLBK	Common Stock						1,624	01 May 2025	By Spouse - IRA
holding	CLBK	Common Stock						8,614	01 May 2025	By Stock Award II	F3
holding	CLBK	Common Stock						6,537	01 May 2025	By Stock Award III	F4
holding	CLBK	Common Stock						6,474	01 May 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)						49,412	01 May 2025	Common Stock	49,412	$15.60	Direct	F6
holding	CLBK	Stock Options (right to buy)						7,519	01 May 2025	Common Stock	7,519	$15.94	Direct	F7
holding	CLBK	Stock Options (right to buy)						4,794	01 May 2025	Common Stock	4,794	$16.49	Direct	F8
holding	CLBK	Stock Options (right to buy)						11,215	01 May 2025	Common Stock	11,215	$16.23	Direct	F9

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

Explanation of Responses:

Id	Content
F1	The number of shares held directly includes certain shares that were previously held by Stock Award and that have subsequently vested.
F2	This form reflects increases in beneficial ownership resulting from exempt acquisitions pursuant to rule 16b-3(c).
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 are fully vested and exercisable.
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.