CBNA insider buying
3 cluster buysCHAIN BRIDGE BANCORP INC · Financials
When two or more insiders at CHAIN BRIDGE BANCORP INC buy CBNA 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 CBNA 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
- Mar 5 – Mar 6, 2026Detected Mar 6, 2026High conviction2 insidersTotal bought$39.2KMarket cap$284.7M
- Feb 3 – Feb 25, 2025Detected Feb 25, 20252 insidersTotal bought$626.3KMarket cap$284.7M
- Oct 3 – Oct 3, 2024Detected Oct 3, 2024High conviction14 insidersTotal bought$516.9KMarket cap$284.7M
All notable open-market buys in CBNA
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 |
|---|---|---|---|---|---|
| Mar 6, 2026 | Basha Leigh-Alexandracluster Director | 400 | $35.04 | $14.0K | SEC ↗ |
| Mar 5, 2026 | Pollock James R.cluster Corporate Development Officer | 714 | $35.25 | $25.2K | SEC ↗ |
| Nov 18, 2025 | Director | 400 | $30.48 | $12.2K | SEC ↗ |
| Aug 29, 2025 | Director | 400 | $29.81 | $11.9K | SEC ↗ |
| Jun 29, 2025 | Director | 400 | $29.97 | $12.0K | SEC ↗ |
| Feb 25, 2025 | Friedman Martin S.cluster 10% Owner | 8,514 | $24.13 | $205.4K | SEC ↗ |
| Feb 24, 2025 | Friedman Martin S.cluster 10% Owner | 16,194 | $24.46 | $396.1K | SEC ↗ |
| Feb 4, 2025 | Conover Michael J.cluster Director | 300 | $24.61 | $7.4K | SEC ↗ |
| Feb 3, 2025 | Conover Michael J.cluster Director | 700 | $24.75 | $17.3K | SEC ↗ |
| Oct 3, 2024 | Leavitt Paul W.cluster Director | 4,696 | $22.00 | $103.3K | SEC ↗ |
| Oct 3, 2024 | Pollock James R.cluster Corporate Development Officer | 3,131 | $22.00 | $68.9K | SEC ↗ |
| Oct 3, 2024 | Fitzgerald Andrew J.cluster Director, 10% Owner | 2,504 | $22.00 | $55.1K | SEC ↗ |
| Oct 3, 2024 | Fitzgerald Thomas G. Jr.cluster Director, 10% Owner | 2,504 | $22.00 | $55.1K | SEC ↗ |
| Oct 3, 2024 | Conover Michael J.cluster Director | 2,250 | $22.00 | $49.5K | SEC ↗ |
| Oct 3, 2024 | Martinelli Markcluster Director | 2,000 | $22.00 | $44.0K | SEC ↗ |
| Oct 3, 2024 | Nunez Yonesy F.cluster Director | 1,807 | $22.00 | $39.8K | SEC ↗ |
| Oct 3, 2024 | Fitzgerald Joseph MICHAELcluster Director | 1,252 | $22.00 | $27.5K | SEC ↗ |
| Oct 3, 2024 | Brough John Jcluster Director, Chief Executive Officer | 1,252 | $22.00 | $27.5K | SEC ↗ |
| Oct 3, 2024 | Williamson Joanna R.cluster Chief Financial Officer | 753 | $22.00 | $16.6K | SEC ↗ |
| Oct 3, 2024 | Korsmo Michelle L.cluster Director | 626 | $22.00 | $13.8K | SEC ↗ |
| Oct 3, 2024 | Miller Rachel G.cluster Counsel & Corporate Secretary | 407 | $22.00 | $9.0K | SEC ↗ |
| Oct 3, 2024 | Thompson-Byas Benitacluster Director | 188 | $22.00 | $4.1K | SEC ↗ |
| Oct 3, 2024 | Evinger David M.cluster Director, President, Chief Risk Officer | 125 | $22.00 | $2.8K | SEC ↗ |
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CBNA insider buying — FAQ
- Are insiders buying CBNA stock?
- Yes — 16 distinct insiders have bought CBNA (CHAIN BRIDGE BANCORP INC) on the open market, including 3 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Mar 10, 2026.
- How much CBNA stock have insiders bought?
- Insiders have bought a combined $1.2M of CBNA across 23 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in CBNA?
- A cluster buy is two or more distinct CHAIN BRIDGE BANCORP INC insiders — officers, directors, or 10% owners — each buying CBNA on the open market within a rolling window. CBNA has 3 detected cluster buys to date.
- Where does this CBNA 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 CBNA
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 CBNA 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 CBNA.