CHAIN BRIDGE BANCORP (CBNA) stock: insider trades, news & valuation
Strong buyingShare price and insider trades
CHAIN BRIDGE BANCORP insider trading at a glance (Oct 9, 2026): in the past 12 months, 3 insiders bought $105K and 1 sold $71K of CBNA stock on the open market.
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CBNA insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | $18K | 1 | — | 0 |
| Q2 2026 | — | 0 | — | 0 |
| Q1 2026 | $39K | 2 | $71K | 1 |
| Q4 2025 | $37K | 3 | — | 0 |
| Q3 2025 | — | 0 | — | 0 |
| Q2 2025 | $12K | 1 | — | 0 |
Valuation, profit and volume
Summary
Over the past 12 months, 3 CHAIN BRIDGE BANCORP INC insiders reported open-market purchases totaling $105K, while 1 insider reported sales totaling $71K. Among insiders with enough purchase history to measure, Leigh-alexandra Basha (Director) has the highest Insider Score at 38. 0 of 1 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Jul 31SEC | Mark MartinelliDirector | Buy | 4003,000 held (+15%) | $44.00 | $18K | +11.9% | — |
| Mar 10SEC | Leigh-alexandra BashaDirector | Buy | 4001,200 held (+50%) | $35.04 | $14K | +40.6% | 38 |
| Mar 10SEC | Leigh-alexandra BashaDirector | Buy | 400800 held (+100%) | $30.48 | $12K | +61.6% | 38 |
| Mar 6SEC | James R. PollockCorporate Development Officer | Buy | 7143,845 held (+23%) | $35.25 | $25K | +39.7% | — |
| Mar 6SEC | Leigh-alexandra BashaDirector | Buy | 4001,200 held (+50%) | $30.48 | $12K | +61.6% | 38 |
| Mar 6SEC | Leigh-alexandra BashaDirector | Buy | 400new position | $29.97 | $12K | +64.3% | 38 |
| Mar 4SEC | Benita Thompson-byasDirector | Sell | 2,00016,208 held (−11%) | $35.44 | $71K | +39.0% | — |
| Nov 12SEC | Mark MartinelliDirector | Buy | 4302,500 held (+21%) | $28.55 | $12K | +72.5% | — |
Insiders at CHAIN BRIDGE BANCORP INC
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Leigh-alexandra BashaDirector | $50K | — | Mar 10, 2026 | 38 |
| Mark MartinelliDirector | $30K | — | Jul 31, 2026 | — |
| James R. PollockCorporate Development Officer | $25K | — | Mar 6, 2026 | — |
| Benita Thompson-byasDirector | — | $71K | Mar 4, 2026 | — |
CBNA stock: common questions
Are CHAIN BRIDGE BANCORP INC insiders buying CBNA stock?
In the past 12 months, 3 insiders reported open-market purchases of CBNA worth $105K. The latest was Director Mark Martinelli bought $18K of CBNA at $44.00 — largest purchase by this insider in our records.
Are CHAIN BRIDGE BANCORP INC insiders selling CBNA stock?
1 insiders reported sales worth $71K over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is CBNA's 52-week range?
Over the past year CBNA has traded between $29.12 and $49.60. It last closed at $49.25 on Oct 9, 2026.