AlphaYouMM
Insider buying
Mark Martinelli bought $18K of Chain Bridge Bancorp Inc (CBNA) stock
Mark Martinelli, Dir of Chain Bridge Bancorp Inc (CBNA), bought 400 shares of CBNA stock worth $18K, per an SEC Form 4 filed Jul 31, 2026.
It was an open-market purchase.
The trade happened on Jul 29, 2026, 2 days before it was made public.
CBNA has moved +6.4% since the trade date, from $44.36 to $47.22 (Sep 21, 2026 close).
- Traded
- Jul 29, 2026
- Disclosed
- Jul 31, 2026
- Filing delay
- 2 days
- Price since
- +6.4%
- Role
- Dir
- Source
- SEC Form 4
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.