SEC Form 4 · accession 0001729835-26-000011

· CLBK

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Dennis E. Gibney

Officer — 1st Sr. EVP, CBO · Director

Period of report

Jul 20, 2026

Accepted (ET)

Jul 22, 2026 · 9:17 pm EDT

Rule 10b5-1 plan

box not checked

Issuer CIK

0002115119

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock	Jul 20, 2026	P	20,500	$10.00	A	376,592	D
Common Stock	Jul 20, 2026	P	12,500	$10.00	A	34,500	I	By SEP-IRA
Common Stock	Jul 20, 2026	P	11,500	$10.00	A	11,500	I	By 401(k)
Common Stock	holding	—	—		—	4,296	I	By Stock-Based Deferral Plan
Common Stock	holding	—	—		—	19,115	I	By ESOP
Common Stock	holding	—	—		—	25,086	I	By SERP
Common Stock	holding	—	—		—	6,600	I	By IRA
Common Stock	holding	—	—		—	22,000	I	By Spouse
Common Stock^F1	holding	—	—		—	26,882	I	By Stock Award III
Common Stock^F2	holding	—	—		—	28,899	I	By Stock Award IV
Common Stock^F3	holding	—	—		—	68,668	I	By Stock Award V

Table II — derivative securities

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Stock Options (right to buy)^F4	$7.10	holding	—	—	—	Jul 23, 2020	Jul 23, 2029	Common Stock	528,000	528,000	D
Stock Options (right to buy)^F4	$7.25	holding	—	—	—	May 1, 2024	May 1, 2033	Common Stock	29,475	29,475	D
Stock Options (right to buy)^F5	$7.50	holding	—	—	—	Mar 6, 2025	Mar 6, 2034	Common Stock	21,683	21,683	D
Stock Options (right to buy)^F6	$7.38	holding	—	—	—	Mar 3, 2026	Mar 3, 2035	Common Stock	50,065	50,065	D
Stock Options (right to buy)^F7	$8.31	holding	—	—	—	Mar 2, 2027	Mar 2, 2036	Common Stock	116,672	116,672	D

Explanation of responses

F1Stock 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.
F2Stock 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.
F3Stock 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 2, 2029.
F4Stock Options granted pursuant to the Columbia Financial, Inc. 2019 Equity Incentive Plan are fully vested and exercisable.
F5Stock Options granted pursuant to the Columbia Financial, Inc. 2019 Equity Incentive Plan vest in three approximately equal annual installments commencing on March 6, 2025.
F6Stock Options granted pursuant to the Columbia Financial, Inc. 2019 Equity Incentive Plan vest in three approximately equal annual installments commencing on March 3, 2026.
F7Stock Options granted pursuant to the Columbia Financial, Inc. 2019 Equity Incentive Plan vest in three approximately equal annual installments commencing on March 2, 2027.

Remarks

Exhibit List: Exhibit 24 Power of Attorney