Steven M. Klein - 20 Jul 2026 Form 4 Insider Report for Columbia Financial, Inc./MD/

Reporting relationship: Sr. EVP, COO, Director
Issuer ticker: CLBK on Nasdaq
Reported as of: 20 Jul 2026
Net transaction value: +$500,000
SEC form: 4
Accepted by SEC: 22 Jul 2026, 21:22:36 UTC
Prior SEC filing: 15 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Thomas F. Splaine, Jr., Power of Attorney

Key filing fact

Steven M. Klein filed Form 4 for Columbia Financial, Inc./MD/ on 22 Jul 2026.

Key facts

This page summarizes Steven M. Klein's Form 4 filing for Columbia Financial, Inc./MD/.
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 22 Jul 2026, 21:22.

Change

Previous filing in this sequence was filed on 15 Jul 2026.
Current net transaction value: +$500,000.

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 0001409460 Primary reporting owner

Klein Steven M

Relationship: Sr. EVP, COO, Director
Address: 19-01 ROUTE 208 NORTH, FAIR LAWN
Signature: /s/ Thomas F. Splaine, Jr., Power of Attorney
Signature date: 22 Jul 2026

Reported non-derivative transactions

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

No ticker transaction

Common Stock

Purchase

Transaction value: $500,000
Shares: +50,000
Change %: +7.6%
Price: $10.00
Shares after: 711,570
Date: 20 Jul 2026
Ownership: Direct

No ticker holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 95,470
Date: 20 Jul 2026
Ownership: By 401(k)

No ticker holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 84,244
Date: 20 Jul 2026
Ownership: By ESOP
Footnotes: F1

Reported derivative securities

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

No ticker holding Derivative

Stock Options (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 57,000
Date: 20 Jul 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 57,000
Exercise price: $11.85

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Does not reflect the final allocation of shares from the Northfield Bank employee stock ownership plan, which was terminated effective as of July 10, 2026.

SEC remarks

Exhibit List: Exhibit 24 Power of Attorney