CBNA insider buying and SEC filings, explained
Chain Bridge Bancorp Inc. · CIK 1392272
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$93K
Insiders who bought
3
Sold (not marked 10b5-1)
$71K
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Jul 29, 2026 | Purchase (code P) | Mark Martinelli (Director) bought 400 shares at $44.00 ($18K), reported as a purchase (code P). Holdings up 15% to 3,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 31, 2026 |
| Mar 6, 2026 | Purchase (code P) | Leigh-Alexandra Basha (Director) bought 400 shares at $35.04 ($14K), reported as a purchase (code P). Holdings up 50% to 1,200 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 10, 2026 |
| Jun 29–Nov 18, 2025 | Purchase (code P) Amended filing | Leigh-Alexandra Basha (Director) bought 800 shares between Jun 29, 2025 and Nov 18, 2025 at about $30.23 ($24K), reported as a purchase (code P). New position of 800 shares. Not marked as a 10b5-1 plan trade. This amends a filing from Mar 6. | SEC filing Filed Mar 10, 2026 |
| Mar 5, 2026 | Purchase (code P) | James R. Pollock (Corporate Development Officer) bought 714 shares at $35.25 ($25K), reported as a purchase (code P). Holdings up 23% to 3,845 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 6, 2026 |
| Mar 3, 2026 | Sale | Benita Thompson-Byas (Director) sold 2,000 shares at $35.44 ($71K). Holdings down 11% to 16,208 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 4, 2026 |
| Nov 11, 2025 | Purchase (code P) Amended filing | Mark Martinelli (Director) bought 430 shares at $28.55 ($12K), reported as a purchase (code P). Holdings up 21% to 2,500 shares. Not marked as a 10b5-1 plan trade. This amends a filing from Nov 12, 2025. | SEC filing Filed Nov 12, 2025 |
5 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
2 insiders bought in 30 days
$39K in purchases since Mar 5, 2026 · Purchases traded Mar 5, 2026 to Mar 6, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| James R. Pollock (Corporate Development Officer) | $25K | Mar 5, 2026 | SEC filing |
| Leigh-Alexandra Basha (Director) | $14K | Mar 6, 2026 | SEC filing |
2 insiders bought in 30 days
$36K in purchases since Nov 11, 2025 · Purchases traded Nov 11, 2025 to Nov 18, 2025 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Mark Martinelli (Director) | $12K | Nov 11, 2025 | SEC filing |
| Leigh-Alexandra Basha (Director) | $24K | Nov 18, 2025 | SEC filing |
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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