Manesh Balachandran Prabhu - 06 Mar 2026 Form 4 Insider Report for Columbia Financial, Inc. (CLBK)

Role
EVP & CIO
Signature
/s/ Dennis E. Gibney, Power of Attorney
Issuer symbol
CLBK
Transactions as of
06 Mar 2026
Net transactions value
$0
Form type
4
Filing time
10 Mar 2026, 16:15:40 UTC
Previous filing
04 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Prabhu Manesh Balachandran EVP & CIO 19-01 ROUTE 208 NORTH, FAIR LAWN /s/ Dennis E. Gibney, Power of Attorney 10 Mar 2026 0001949911

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CLBK Common Stock Tax liability -382 -6.5% $18.06* 5,504 06 Mar 2026 Direct F1
holding CLBK Common Stock 546 06 Mar 2026 By Stock-Based Deferral Plan
holding CLBK Common Stock 1,680 06 Mar 2026 By 401(k) F2
holding CLBK Common Stock 2,150 06 Mar 2026 By ESOP
holding CLBK Common Stock 437 06 Mar 2026 By SERP
holding CLBK Common Stock 9,690 06 Mar 2026 By Stock Award II F3
holding CLBK Common Stock 10,286 06 Mar 2026 By Stock Award III F4
holding CLBK Common Stock 11,018 06 Mar 2026 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) 12,985 06 Mar 2026 Common Stock 12,985 $20.54 Direct F6
holding CLBK Stock Options (right to buy) 8,459 06 Mar 2026 Common Stock 8,459 $15.94 Direct F7
holding CLBK Stock Options (right to buy) 8,296 06 Mar 2026 Common Stock 8,296 $16.49 Direct F8
holding CLBK Stock Options (right to buy) 19,086 06 Mar 2026 Common Stock 19,086 $16.23 Direct F9
holding CLBK Stock Options (right to buy) 19,545 06 Mar 2026 Common Stock 19,545 $18.28 Direct F10
holding CLBK Phantom Stock Unit 7,669 06 Mar 2026 Common Stock 7,669 Deferred Stock Unit Plan F11, F12
* 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.
F10 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.
F11 One phantom stock unit is the economic equivalent of one share of CLBK Common Stock. Phantom stock units were granted under the Columbia Financial, Inc. 2026 Phantom Stock Plan and will be settled in cash upon distribution.
F12 On the settlement date, phantom stock units will be payable in cash. The cash value will be calculated, in accordance with the Columbia Financial, Inc. 2026 Phantom Stock Plan, based on the closing stock price of the Company's Common Stock on the determination date.