CLBK Columbia Financial, Inc.

NASDAQ
$11.33

Columbia Financial, Inc. (CLBK) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

Insider signal Bullish Insiders bought more than they sold over this window — uncommon at any size.
Cluster activity 1 buyer in the last 30 days 16 buyers in the last 90 days 0 sellers in the last 90 days
Insiders buying
16
31 transactions
Insiders selling
0
0 transactions
Purchases
$4.8M
477,894 shares
Sales
$0
0 shares
Net activity
$4.8M
purchases less sales

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: September 3, 2026 , by Holland Noel R. .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Holland Noel R. Director Buy 20 $11.68 $234 80,817
Kemly Thomas J. 2 fills President & CEO Buy 53,057 $10.00 $530.6K 588,391
Splaine Thomas Jr EVP, CFO Buy 50,000 $10.00 $500.0K 50,862
Klein Steven M Sr. EVP, COO Buy 50,000 $10.00 $500.0K 711,570
Schlesinger Allyson Katz 2 fills SEVP&Head of Consumer Banking Buy 50,000 $10.00 $500.0K 192,490
Randall Elizabeth E. 3 fills Director Buy 49,980 $10.00 $499.8K 105,490
Gibney Dennis E. 3 fills 1st Sr. EVP, CBO Buy 44,500 $10.00 $445.0K 376,592
Klimowich John 2 fills SEVP & Chief Risk Officer Buy 35,000 $10.00 $350.0K 145,056
Massood Michael Jr. 2 fills Director Buy 25,000 $10.00 $250.0K 93,063
Van Dyk Robert Director Buy 25,000 $10.00 $250.0K 322,013
Sorrentini Lucy Director Buy 20,000 $10.00 $200.0K 20,000
Lewis Oliver Edward Jr 2 fills SEVP & Head Commercial Banking Buy 15,000 $10.00 $150.0K 65,296
Prabhu Manesh Balachandran EVP & CIO Buy 15,000 $10.00 $150.0K 15,000
Holland Noel R. 2 fills Director Buy 15,000 $10.00 $150.0K 109,316
Rinaldi Mayra Liseth 5 fills EVP, Corp Governance & Culture Buy 10,337 $10.00 $103.4K 17,104
WAINWRIGHT JIM HOBART Director Buy 10,000 $10.00 $100.0K 17,055
Kuiken James Michael Director Buy 10,000 $10.00 $100.0K 10,000

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.