John Klimowich - 26 Aug 2026 Form 4 Insider Report for Columbia Financial, Inc./MD/ (CLBK)

Reporting relationship: SEVP & Chief Risk Officer
Issuer ticker: CLBK
Reported as of: 26 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 28 Aug 2026, 14:19:45 UTC
Prior SEC filing: 25 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Thomas F. Splaine, Jr., Power of Attorney

Key filing fact

John Klimowich filed Form 4 for Columbia Financial, Inc./MD/ (CLBK) on 28 Aug 2026.

Key facts

This page summarizes John Klimowich's Form 4 filing for Columbia Financial, Inc./MD/ (CLBK).
2 reported transactions and 5 derivative rows are listed below.
Accepted by SEC: 28 Aug 2026, 14:19.

Change

Previous filing in this sequence was filed on 25 Aug 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 F. Splaine, Jr., Power of Attorney
Signature date: 28 Aug 2026

Reported non-derivative transactions

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

CLBK transaction

Common Stock

Award

Transaction value
Shares: +88
Change %: +0.43%
Price: $11.62^*
Shares after: 20,611
Date: 26 Aug 2026
Ownership: By Stock-Based Deferral Plan
Footnotes: F1

CLBK transaction

Common Stock

Award

Transaction value
Shares: +39
Change %: +0.42%
Price: $11.62^*
Shares after: 9,309
Date: 26 Aug 2026
Ownership: By SIM
Footnotes: F2

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 145,056
Date: 26 Aug 2026
Ownership: Direct

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 67,975
Date: 26 Aug 2026
Ownership: By 401(k)
Footnotes: F3

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 19,198
Date: 26 Aug 2026
Ownership: By ESOP
Footnotes: F3

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 16,852
Date: 26 Aug 2026
Ownership: By SERP
Footnotes: F3

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 24,135
Date: 26 Aug 2026
Ownership: By Stock Award III
Footnotes: F4

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 25,790
Date: 26 Aug 2026
Ownership: By Stock Award IV
Footnotes: F5

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 26,193
Date: 26 Aug 2026
Ownership: By Stock Award V
Footnotes: F6

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: 414,117
Date: 26 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 414,117
Exercise price: $7.10
Footnotes: F7

CLBK holding Derivative

Stock Options (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 26,466
Date: 26 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 26,466
Exercise price: $7.25
Footnotes: F7

CLBK holding Derivative

Stock Options (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 19,470
Date: 26 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 19,470
Exercise price: $7.50
Footnotes: F8

CLBK holding Derivative

Stock Options (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 44,682
Date: 26 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 44,682
Exercise price: $7.38
Footnotes: F9

CLBK holding Derivative

Stock Options (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 44,499
Date: 26 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 44,499
Exercise price: $8.31
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 dividends which are exempt under Rule 16b-3 in connection with the Columbia Bank Stock Based Deferral Plan.

Footnote F2

Represents dividends which are exempt under Rule 16b-3 in connection with the Columbia Bank Savings Income Maintenance Plan.

Footnote F3

This form reflects increases in beneficial ownership resulting from exempt acquisitions pursuant to rule 16b-3(c).

Footnote 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.

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 3, 2028.

Footnote 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 2, 2029.

Footnote F7

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

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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