CLBK insider buying
2 cluster buysColumbia Financial, Inc./MD/
When two or more insiders at Columbia Financial, Inc./MD/ buy CLBK on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in CLBK plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.
Detected clusters
- Jul 20 – Jul 20, 2026Detected Jul 23, 2026High conviction16 insidersTotal bought$4.8MMarket capUnknown
- Jul 20 – Jul 20, 2026Detected Jul 23, 2026High conviction11 insidersTotal bought$3.5MMarket capUnknown
All notable open-market buys in CLBK
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Jul 20, 2026 | Splaine Thomas Jrcluster EVP, CFO | 50,000 | $10.00 | $500.0K | SEC ↗ |
| Jul 20, 2026 | Klein Steven Mcluster Director, Sr. EVP, COO | 50,000 | $10.00 | $500.0K | SEC ↗ |
| Jul 20, 2026 | Schlesinger Allyson Katzcluster SEVP&Head of Consumer Banking | 44,400 | $10.00 | $444.0K | SEC ↗ |
| Jul 20, 2026 | Kemly Thomas J.cluster Director, President & CEO | 40,000 | $10.00 | $400.0K | SEC ↗ |
| Jul 20, 2026 | Klimowich Johncluster SEVP & Chief Risk Officer | 30,000 | $10.00 | $300.0K | SEC ↗ |
| Jul 20, 2026 | Randall Elizabeth E.cluster Director | 27,200 | $10.00 | $272.0K | SEC ↗ |
| Jul 20, 2026 | Van Dyk Robertcluster Director | 25,000 | $10.00 | $250.0K | SEC ↗ |
| Jul 20, 2026 | Gibney Dennis E.cluster Director, 1st Sr. EVP, CBO | 20,500 | $10.00 | $205.0K | SEC ↗ |
| Jul 20, 2026 | Sorrentini Lucycluster Director | 20,000 | $10.00 | $200.0K | SEC ↗ |
| Jul 20, 2026 | Prabhu Manesh Balachandrancluster EVP & CIO | 15,000 | $10.00 | $150.0K | SEC ↗ |
| Jul 20, 2026 | Massood Michael Jr.cluster Director | 15,000 | $10.00 | $150.0K | SEC ↗ |
| Jul 20, 2026 | Lewis Oliver Edward Jrcluster SEVP & Head Commercial Banking | 14,500 | $10.00 | $145.0K | SEC ↗ |
| Jul 20, 2026 | Kemly Thomas J.cluster Director, President & CEO | 13,057 | $10.00 | $130.6K | SEC ↗ |
| Jul 20, 2026 | Gibney Dennis E.cluster Director, 1st Sr. EVP, CBO | 12,500 | $10.00 | $125.0K | SEC ↗ |
| Jul 20, 2026 | Randall Elizabeth E.cluster Director | 12,200 | $10.00 | $122.0K | SEC ↗ |
| Jul 20, 2026 | Gibney Dennis E.cluster Director, 1st Sr. EVP, CBO | 11,500 | $10.00 | $115.0K | SEC ↗ |
| Jul 20, 2026 | Randall Elizabeth E.cluster Director | 10,580 | $10.00 | $105.8K | SEC ↗ |
| Jul 20, 2026 | WAINWRIGHT JIM HOBARTcluster Director | 10,000 | $10.00 | $100.0K | SEC ↗ |
| Jul 20, 2026 | Kuiken James Michaelcluster Director | 10,000 | $10.00 | $100.0K | SEC ↗ |
| Jul 20, 2026 | Massood Michael Jr.cluster Director | 10,000 | $10.00 | $100.0K | SEC ↗ |
| Jul 20, 2026 | Rinaldi Mayra Lisethcluster EVP, Corp Governance & Culture | 9,000 | $10.00 | $90.0K | SEC ↗ |
| Jul 20, 2026 | Holland Noel R.cluster Director | 7,500 | $10.00 | $75.0K | SEC ↗ |
| Jul 20, 2026 | Holland Noel R.cluster Director | 7,500 | $10.00 | $75.0K | SEC ↗ |
| Jul 20, 2026 | Schlesinger Allyson Katzcluster SEVP&Head of Consumer Banking | 5,600 | $10.00 | $56.0K | SEC ↗ |
| Jul 20, 2026 | Klimowich Johncluster SEVP & Chief Risk Officer | 5,000 | $10.00 | $50.0K | SEC ↗ |
CLBK insider buying — FAQ
- Are insiders buying CLBK stock?
- Yes — 16 distinct insiders have bought CLBK (Columbia Financial, Inc./MD/) on the open market, including 2 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Jul 23, 2026.
- How much CLBK stock have insiders bought?
- Insiders have bought a combined $4.8M of CLBK across 30 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in CLBK?
- A cluster buy is two or more distinct Columbia Financial, Inc./MD/ insiders — officers, directors, or 10% owners — each buying CLBK on the open market within a rolling window. CLBK has 2 detected cluster buys to date.
- Where does this CLBK insider trading data come from?
- Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.
How we track insider buying in CLBK
We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy CLBK within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding CLBK.