Allyson Katz Schlesinger - 01 May 2026 Form 4 Insider Report for Columbia Financial, Inc. (CLBK)

Reporting relationship: SEVP&Head of Consumer Banking
Issuer ticker: CLBK
Reported as of: 01 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 05 May 2026, 16:08:08 UTC
Prior SEC filing: 10 Mar 2026
Next SEC filing: 22 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Dennis E. Gibney, Power of Attorney

Key filing fact

Allyson Katz Schlesinger filed Form 4 for Columbia Financial, Inc. (CLBK) on 05 May 2026.

Key facts

This page summarizes Allyson Katz Schlesinger's Form 4 filing for Columbia Financial, Inc. (CLBK).
2 reported transactions and 5 derivative rows are listed below.
Accepted by SEC: 05 May 2026, 16:08.

Change

Previous filing in this sequence was filed on 10 Mar 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 0001752640 Primary reporting owner

Schlesinger Allyson Katz

Relationship: SEVP&Head of Consumer Banking
Address: 19-01 ROUTE 208 NORTH, FAIR LAWN
Signature: /s/ Dennis E. Gibney, Power of Attorney
Signature date: 05 May 2026

Reported non-derivative transactions

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

CLBK transaction

Common Stock

Disposed to Issuer

Transaction value
Shares: -10,852
Change %: -14%
Price: $0.000000^*
Shares after: 68,623
Date: 01 May 2026
Ownership: Direct
Footnotes: F1, F2

CLBK transaction

Common Stock

Tax liability

Transaction value
Shares: -1,309
Change %: -1.9%
Price: $19.25^*
Shares after: 67,314
Date: 01 May 2026
Ownership: Direct
Footnotes: F2

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 13,543
Date: 01 May 2026
Ownership: By Stock-Based Deferral Plan

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 7,753
Date: 01 May 2026
Ownership: By ESOP
Footnotes: F3

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 7,130
Date: 01 May 2026
Ownership: By SERP
Footnotes: F3

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 4,683
Date: 01 May 2026
Ownership: By SIM

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 11,520
Date: 01 May 2026
Ownership: By Stock Award III
Footnotes: F4

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 12,288
Date: 01 May 2026
Ownership: By Stock Award IV
Footnotes: F5

CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 12,574
Date: 01 May 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: 155,294
Date: 01 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 155,294
Exercise price: $15.60
Footnotes: F7

CLBK holding Derivative

Stock Options (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 12,632
Date: 01 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 12,632
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: 9,292
Date: 01 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 9,292
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: 21,289
Date: 01 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 21,289
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: 21,364
Date: 01 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 21,364
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 the forfeiture of performance-based restricted stock granted to the reporting person on May 1, 2023 that were eligible to vest based on certain performance objectives. On May 1, 2026 the Company determined that, based on the Company's performance over the applicable performance period, 2,171 shares would vest and 10,852 shares would be forfeited.

Footnote F2

The number of shares held directly includes certain shares that were previously held by Stock Award and that have subsequently vested.

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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