John Klimowich - 17 Apr 2026 Form 4 Insider Report for Columbia Financial, Inc. (CLBK)

Reporting relationship: SEVP & Chief Risk Officer
Issuer ticker: CLBK
Reported as of: 17 Apr 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 21 Apr 2026, 10:21:09 UTC
Prior SEC filing: 07 Apr 2026
Next SEC filing: 05 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Thomas J. Kemly, Power of Attorney

Key filing fact

John Klimowich filed Form 4 for Columbia Financial, Inc. (CLBK) on 21 Apr 2026.

Key facts

This page summarizes John Klimowich's Form 4 filing for Columbia Financial, Inc. (CLBK).
1 reported transaction and 5 derivative rows are listed below.
Accepted by SEC: 21 Apr 2026, 10:21.

Change

Previous filing in this sequence was filed on 07 Apr 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001729859 Primary reporting owner

Klimowich John

Relationship: SEVP & Chief Risk Officer
Address: 19-01 ROUTE 208 NORTH, FAIR LAWN
Signature: /s/ Thomas J. Kemly, Power of Attorney
Signature date: 21 Apr 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CLBK transaction

Common Stock

Award

Transaction value
Shares: +37
Change %: +0.41%
Price: $18.56^*
Shares after: 9,042
Date: 17 Apr 2026
Ownership: By Stock-Based Deferral Plan
Footnotes: F1

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 61,464
Date: 17 Apr 2026
Ownership: Direct

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 17,130
Date: 17 Apr 2026
Ownership: By 401(k)

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 8,689
Date: 17 Apr 2026
Ownership: By ESOP

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 7,627
Date: 17 Apr 2026
Ownership: By SERP

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 4,214
Date: 17 Apr 2026
Ownership: By SIM

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 13,781
Date: 17 Apr 2026
Ownership: By Stock Award II
Footnotes: F2

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 10,971
Date: 17 Apr 2026
Ownership: By Stock Award III
Footnotes: F3

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 11,723
Date: 17 Apr 2026
Ownership: By Stock Award IV
Footnotes: F4

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 11,906
Date: 17 Apr 2026
Ownership: By Stock Award V
Footnotes: F5

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CLBK holding Derivative

Stock Options (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 188,235
Date: 17 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 188,235
Exercise price: $15.60
Footnotes: F6

CLBK holding Derivative

Stock Options (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 12,030
Date: 17 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 12,030
Exercise price: $15.94
Footnotes: F7

CLBK holding Derivative

Stock Options (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 8,850
Date: 17 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 8,850
Exercise price: $16.49
Footnotes: F8

CLBK holding Derivative

Stock Options (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 20,310
Date: 17 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 20,310
Exercise price: $16.23
Footnotes: F9

CLBK holding Derivative

Stock Options (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 20,227
Date: 17 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 20,227
Exercise price: $18.28
Footnotes: F10

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 10 footnotes

Footnote 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.

Footnote F2

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.

Footnote 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 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.

Footnote F4

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.

Footnote 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 2, 2029.

Footnote F6

Stock Options granted pursuant to the Columbia Financial, Inc. 2019 Equity Incentive Plan are fully vested and exercisable.

Footnote 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.

Footnote 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.

Footnote 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.

Footnote 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.

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