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Columbia Financial, Inc. (CLBK)

Columbia Financial, Inc. (CLBK) Insider Trading

Directors, officers and holders of more than 10% of CLBK report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 427 transactions on file: 18 with code P, 0 with code S and 32 with other codes.

DateInsiderCodeShares
Oct 30, 2026Kemly Thomas J.A Award168
Oct 16, 2026Klimowich JohnA Award64
Oct 16, 2026Kemly Thomas J.A Award174
Oct 2, 2026Kemly Thomas J.A Award163
Oct 2, 2026Klimowich JohnA Award60
Oct 2, 2026Holland Noel R.A Award15
Sep 18, 2026Klimowich JohnA Award59
Sep 18, 2026Kemly Thomas J.A Award160
Sep 4, 2026Kemly Thomas J.A Award159
Sep 4, 2026Holland Noel R.A Award15
Sep 4, 2026Klimowich JohnA Award59
Sep 3, 2026Holland Noel R.P Purchase20
Sep 3, 2026Holland Noel R.G Gift20
Aug 26, 2026Klimowich JohnA Award39
Aug 26, 2026Lewis Oliver Edward JrA Award6
Aug 26, 2026Kemly Thomas J.A Award392
Aug 26, 2026Randall Elizabeth E.A Award212
Aug 26, 2026Gibney Dennis E.A Award18
Aug 26, 2026Klimowich JohnA Award88
Aug 26, 2026Holland Noel R.A Award128
Aug 26, 2026Schlesinger Allyson KatzA Award128
Aug 26, 2026Schlesinger Allyson KatzA Award44
Aug 26, 2026Kemly Thomas J.A Award661
Aug 26, 2026Lewis Oliver Edward JrA Award46
Aug 26, 2026Sorrentini LucyA Award73
Aug 26, 2026Prabhu Manesh BalachandranA Award10
Aug 21, 2026Kemly Thomas J.A Award158
Aug 21, 2026Klimowich JohnA Award58
Aug 7, 2026Holland Noel R.A Award16
Aug 7, 2026Klimowich JohnA Award63
Aug 7, 2026Kemly Thomas J.A Award171
Jul 24, 2026Kemly Thomas J.A Award171
Jul 24, 2026Klimowich JohnA Award63
Jul 20, 2026Kuiken James MichaelP Purchase22,000
Jul 20, 2026Rinaldi Mayra LisethP Purchase110
Jul 20, 2026Klimowich JohnP Purchase11,000
Jul 20, 2026Gibney Dennis E.P Purchase27,500
Jul 20, 2026Gibney Dennis E.P Purchase45,100
Jul 20, 2026Gibney Dennis E.P Purchase25,300
Jul 20, 2026Klimowich JohnP Purchase66,000
Jul 20, 2026Rinaldi Mayra LisethP Purchase19,800
Jul 20, 2026Massood Michael Jr.P Purchase22,000
Jul 20, 2026Kemly Thomas J.P Purchase28,725
Jul 20, 2026Massood Michael Jr.P Purchase33,000
Jul 20, 2026Rinaldi Mayra LisethP Purchase2,545
Jul 20, 2026Prabhu Manesh BalachandranP Purchase33,000
Jul 20, 2026Splaine Thomas JrP Purchase110,000
Jul 20, 2026Schlesinger Allyson KatzP Purchase97,680
Jul 20, 2026Sorrentini LucyP Purchase44,000
Jul 20, 2026Randall Elizabeth E.P Purchase23,276

The full Form 4 history is on the CLBK company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.