Dennis E. Gibney - 26 Aug 2026 Form 4 Insider Report for Columbia Financial, Inc./MD/ (CLBK)

Reporting relationship: 1st Sr. EVP, CBO, Director
Issuer ticker: CLBK
Reported as of: 26 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 28 Aug 2026, 14:19:13 UTC
Prior SEC filing: 22 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Thomas F. Splaine, Jr., Power of Attorney

Key filing fact

Dennis E. Gibney filed Form 4 for Columbia Financial, Inc./MD/ (CLBK) on 28 Aug 2026.

Key facts

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

Change

Previous filing in this sequence was filed on 22 Jul 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 0001729835 Primary reporting owner

Gibney Dennis E.

Relationship: 1st Sr. EVP, CBO, Director
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: +18
Change %: +0.43%
Price: $11.62^*
Shares after: 4,316
Date: 26 Aug 2026
Ownership: By Stock-Based Deferral Plan
Footnotes: F1

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 376,592
Date: 26 Aug 2026
Ownership: Direct

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 11,549
Date: 26 Aug 2026
Ownership: By 401(k)
Footnotes: F2

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: F2

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 25,194
Date: 26 Aug 2026
Ownership: By SERP
Footnotes: F2

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 6,600
Date: 26 Aug 2026
Ownership: By IRA

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 22,000
Date: 26 Aug 2026
Ownership: By Spouse

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 34,500
Date: 26 Aug 2026
Ownership: By SEP-IRA

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 26,881
Date: 26 Aug 2026
Ownership: By Stock Award III
Footnotes: F3, F4

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 28,899
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: 68,668
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: 528,000
Date: 26 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 528,000
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: 29,475
Date: 26 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 29,475
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: 21,683
Date: 26 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 21,683
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: 50,065
Date: 26 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 50,065
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: 116,672
Date: 26 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 116,672
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

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

Footnote F3

This form accounts for a decrease of 1 share from the prior report due to the rounding of fractional shares.

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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