CHAIN BRIDGE BANCORP INC (CBNA) Insider Trading & SEC Filings
Last SEC filing
CHAIN BRIDGE BANCORP INC (CBNA) has filed 1 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-31. Insiders disclosed 1 open-market purchases totaling $18K. 3 Form 8-K material event filings were reported by CBNA in the last 90 days. InsiderAlpha tracks every CBNA SEC filing - Form 4, Form 144, and 8-K - in real time, including Rule 10b5-1 plan detection.
About CHAIN BRIDGE BANCORP INC (CBNA)
CHAIN BRIDGE BANCORP INC trades under the ticker CBNA. InsiderAlpha tracks 27 primary SEC Form 4 filings from 15 reporting insiders for CBNA since 2024, sourced directly from SEC EDGAR.
| Sector | Financials insider trading |
|---|---|
| SIC classification | National Commercial Banks (SIC 6021) |
| SEC CIK | 0001392272 |
90-Day SEC Filing Activity
| Insider purchases (90d) | 1 ($18K) |
|---|---|
| Form 4 filings (90d) | 1 |
| Form 8-K filings (90d) | 3 |
| Latest Form 4 filing | 2026-07-31 |
Recent CBNA Insider Transactions (Form 4)
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Mark Martinelli | Director | P - Open-market purchase | 400 | $44.00 | $18K | SEC | |
| Leigh-Alexandra Basha | Director | P - Open-market purchase | 400 | $35.04 | $14K | SEC | |
| James R. Pollock | Corporate Development Officer | P - Open-market purchase | 714 | $35.25 | $25K | SEC | |
| Benita Thompson-Byas | Director | S - Open-market sale | 2.0K | $35.44 | $71K | SEC | |
| Benita Thompson-Byas | Director | J - Other acquisition / disposition | 18.0K | $36.46 | $657K | SEC | |
| Leigh-Alexandra Basha | Director | P - Open-market purchase | 400 | $30.48 | $12K | SEC | |
| Joseph Michael Fitzgerald | Director | J - Other acquisition / disposition | 27.9K | $30.19 | $842K | SEC | |
| Joseph Michael Fitzgerald | Director | J - Other acquisition / disposition | 27.9K | $30.19 | $842K | SEC | |
| Mark Martinelli | Director | A - Grant or award | 430 | $28.55 | $12K | SEC | |
| Mark Martinelli | Director | J - Other acquisition / disposition | 170 | $29.93 | $5K | SEC | |
| Leigh-Alexandra Basha | Director | P - Open-market purchase | 400 | $29.81 | $12K | SEC | |
| David M. Evinger | President, Chief Risk Officer | J - Other acquisition / disposition | 125 | $0.00 | - | SEC | |
| Leigh-Alexandra Basha | Director | P - Open-market purchase | 400 | $29.97 | $12K | SEC | |
| Paul W. Leavitt | Director | G - Bona-fide gift | 700 | $0.00 | - | SEC | |
| Paul W. Leavitt | Director | G - Bona-fide gift | 700 | $0.00 | - | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for CHAIN BRIDGE BANCORP INC (CBNA). Updated in real time as new filings are submitted to the SEC.
Most-Active CBNA Insiders - Last 90 Days
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Mark Martinelli | 1 | $18K |
Recent CBNA Form 8-K Material Events
Recent Insider Filings
- - Mark Martinelli (Director)
- - Leigh-Alexandra Basha (Director)
- - James R. Pollock (Corporate Development Officer)
- - Leigh-Alexandra Basha (Director)
- - Benita Thompson-Byas (Director)
Form 4 Transaction Code Reference
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in CBNA insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
CBNA Insider Trading - FAQ
- What is the latest insider trade for CBNA?
- CHAIN BRIDGE BANCORP INC (CBNA) had 1 insider filings in the last 90 days, with the most recent on 2026-07-31. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
- How many insiders are buying CBNA stock?
- 1 insider purchase of CBNA was filed in the last 90 days, totaling $18K.
- How many insiders are selling CBNA stock?
- 0 insider sales of CBNA were filed in the last 90 days.
- Where can I see CBNA SEC filings (Form 4, 10-K, 10-Q, 8-K)?
- This page tracks CBNA Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Learn More
- What is SEC Form 4?
- How to read insider buying signals
- Rule 10b5-1 trading plans explained
- The cluster buying signal
Open the live CBNA dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.