Form4insider filings, from the source

Company · CIK 0001392272 · SIC 6021 — National Commercial Banks · NYSE

CHAIN BRIDGE BANCORP INC · CBNA

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $18k · 1sales $0 · 0net $18k
$10k$10k$100k$100k$1M$1MbuyssalesJul 28Jul 28Jul 28Jul 29Jul 29Jul 29Jul 30

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jul 29, 2026 PForm 4 →Jul 31, 4:02 pm EDTMark MartinelliDirector400$44.00$17,6003,000+15.4%

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 26, 2026 GForm 4 →Aug 28, 10:08 am EDTDavid M. EvingerPresident, Chief Risk Officer, Director680——0—