Chain Bridge Bancorp (CBNA)Director bought ~$12K

~$12K

Approx. value · 430 sh @ $28.55

2,500

Holds after · shares reported

Traded

Nov 11, 2025

Filed

Nov 12, 2025

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Oct 28, 2025Company filing · Form 8-K · ResultsReported its results
2. Nov 11, 2025 · this disclosureInsiderDirector purchased ~$12K of CBNA shares in the open market

What came next

1. Nov 18, 2025InsiderDirector purchased ~$12K of CBNA shares in the open market
2. Dec 4, 2025Company filing · Form 8-K · Executive changeChanged a top executive or board member“(b) Retirement of Director Paul W. Leavitt submitted his notice of retirement to the Board of Directors (the “Board”) of Chain Bridge Bancorp, Inc. (the “Company”), and the Board of Directors of Chain Bridge Bank, N.A. (the “Bank”), the Company’s wholly owned subsidiary, on December 4, 2025.”
3. Dec 31, 2025Company filing · Form 8-K · Executive changeChanged a top executive or board member“On December 31, 2025, the Board of Directors of the Company and the Board of Directors of the Bank each appointed William C. Leavitt as a director effective January 1, 2026, to fill the vacancy created by Paul W. Leavitt's previously announced retirement on December 31, 2025.”
4. Jan 20, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“On January 20, 2026, the Board of Directors of the Company, acting upon the recommendation of its Governance and Nominating Committee, appointed Mr. Leavitt to serve as a member of the Company’s Audit Committee and the Company’s Compensation Committee, each effective as of January 20, 2026.”
5. Jan 28, 2026Company filing · Form 8-K · ResultsReported its results
6. Mar 3, 2026InsiderDirector sold ~$71K of CBNA shares in the open market
7. Mar 5, 2026InsiderOfficer purchased ~$25K of CBNA shares in the open market
8. Mar 6, 2026InsiderDirector purchased ~$14K of CBNA shares in the open market

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Chain Bridge Bancorp

For Chain Bridge Bancorp, OQRO holds 1 insider filing (SEC Form 4 or Form 144) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its CBNA page.

Other recent filings by Mark Martinelli, Director

• SEC Form 4 at Chain Bridge Bancorp (CBNA)Jul 31, 2026
• SEC Form 4 at Chain Bridge Bancorp (CBNA)Oct 7, 2024

The full history of Mark Martinelli, Director is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at Chain Bridge Bancorp

• SEC Form 4Jul 31, 2026
• SEC Form 4Mar 10, 2026
• SEC Form 4Mar 10, 2026
• SEC Form 4Mar 6, 2026
• SEC Form 4Mar 4, 2026
• SEC Form 4Sep 2, 2025

Everything OQRO holds on this company is on its CBNA page.