Manesh Balachandran Prabhu - 26 Aug 2026 Form 4 Insider Report for Columbia Financial, Inc./MD/ (CLBK)

Reporting relationship
EVP & CIO
Issuer ticker
CLBK
Reported as of
26 Aug 2026
Net transaction value
$0
Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
28 Aug 2026, 14:21:20 UTC
Prior SEC filing
22 Jul 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Thomas F. Splaine, Jr., Power of Attorney

Key filing fact

Manesh Balachandran Prabhu filed Form 4 for Columbia Financial, Inc./MD/ (CLBK) on 28 Aug 2026.

Key facts

  • This page summarizes Manesh Balachandran Prabhu's Form 4 filing for Columbia Financial, Inc./MD/ (CLBK).
  • 1 reported transaction and 6 derivative rows are listed below.
  • Accepted by SEC: 28 Aug 2026, 14:21.

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 0001949911 Primary reporting owner

Prabhu Manesh Balachandran

Relationship
EVP & CIO
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
+10
Change %
+0.43%
Price
$11.62*
Shares after
2,259
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
15,613
Date
26 Aug 2026
Ownership
Direct
CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
15,000
Date
26 Aug 2026
Ownership
By IRA
CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
4,601
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
7,114
Date
26 Aug 2026
Ownership
By ESOP
Footnotes
F2
CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,911
Date
26 Aug 2026
Ownership
By SERP
Footnotes
F2
CLBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
22,628
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
24,239
Date
26 Aug 2026
Ownership
By Stock Award IV
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
28,567
Date
26 Aug 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
28,567
Exercise price
$9.34
Footnotes
F6
CLBK holding Derivative

Stock Options (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
18,609
Date
26 Aug 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
18,609
Exercise price
$7.25
Footnotes
F6
CLBK holding Derivative

Stock Options (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
18,251
Date
26 Aug 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
18,251
Exercise price
$7.50
Footnotes
F7
CLBK holding Derivative

Stock Options (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
41,989
Date
26 Aug 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
41,989
Exercise price
$7.38
Footnotes
F8
CLBK holding Derivative

Stock Options (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
42,999
Date
26 Aug 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
42,999
Exercise price
$8.31
Footnotes
F9
CLBK holding Derivative

Phantom Stock Unit

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
16,871
Date
26 Aug 2026
Ownership
Deferred Stock Unit Plan
Underlying class
Common Stock
Underlying amount
16,871
Exercise price
Footnotes
F10, F11
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 11 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 2 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 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 March 6, 2025.

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 3, 2026.

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 2, 2027.

Footnote F10

One phantom stock unit is the economic equivalent of one share of CLBK Common Stock. Phantom stock units were granted under the Columbia Financial, Inc. 2026 Phantom Stock Plan and will be settled in cash upon distribution.

Footnote F11

On the settlement date, phantom stock units will be payable in cash. The cash value will be calculated, in accordance with the Columbia Financial, Inc. 2026 Phantom Stock Plan, based on the closing stock price of the Company's Common Stock on the determination date.

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