Gibney Dennis E. 4

4 · Columbia Financial, Inc. · Filed Mar 4, 2026

Insider Transaction Report

Form 4

Period: 2026-03-02

Columbia Financial, Inc.CLBK

Gibney Dennis E.

1st Sr. EVP, CBO

Transactions

Award
Common Stock
[F1]
2026-03-02+31,213→ 31,213 total(indirect: By Stock Award V)
Award
Stock Options (right to buy)
[F7]
2026-03-02+53,033→ 53,033 total
Exercise: $18.28From: 2027-03-02Exp: 2036-03-02→ Common Stock (53,033 underlying)

Holdings

Common Stock
(indirect: By Stock-Based Deferral Plan)
1,953.325
Common Stock
[F2]
156,801
Common Stock
[F3]
(indirect: By ESOP)
7,620
Common Stock
[F3]
(indirect: By SERP)
10,614
Common Stock
(indirect: By IRA)
10,000
Common Stock
(indirect: By IRA)
3,000
Common Stock
(indirect: By Spouse)
10,000
Common Stock
[F4]
(indirect: By Stock Award II)
15,349
Common Stock
[F5]
(indirect: By Stock Award III)
13,441
Common Stock
[F6]
(indirect: By Stock Award IV)
13,136
Stock Options (right to buy)
[F8]
Exercise: $15.60From: 2020-07-23Exp: 2029-07-23→ Common Stock (240,000 underlying)
240,000
Stock Options (right to buy)
[F9]
Exercise: $15.94From: 2024-05-01Exp: 2033-05-01→ Common Stock (13,398 underlying)
13,398
Stock Options (right to buy)
[F10]
Exercise: $16.49From: 2025-03-06Exp: 2034-03-06→ Common Stock (9,856 underlying)
9,856
Stock Options (right to buy)
[F11]
Exercise: $16.23From: 2026-03-03Exp: 2035-03-03→ Common Stock (22,757 underlying)
22,757

Footnotes (11)

[F1]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 2, 2029.
[F10]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.
[F11]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.
[F2]The number of shares held directly includes certain shares that were previously held by Stock Award and that have subsequently vested.
[F3]This form reflects increases in beneficial ownership resulting from exempt acquisitions pursuant to rule 16b-3(c).
[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 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.
[F5]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.
[F6]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.
[F7]Stock Options granted pursuant to the Columbia Financial, Inc. 2019 Equity Incentive Plan vest in three approximately equal annual installments commencing on March 2, 2027.
[F8]Stock Options granted pursuant to the Columbia Financial, Inc. 2019 Equity Incentive Plan are fully vested and exercisable.
[F9]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.

Signature

/s/ Dennis E. Gibney|2026-03-04

Documents

1 file

4
wk-form4_1772653560.xmlPrimary
FORM 4