MARTINELLI MARK purchased 15.4% of their position (400.00 shares) of CHAIN BRIDGE BANCORP INC on the open market
Open‑market purchase worth $17.6K — a significant purchase. The strongest form of insider conviction signal.
P · 1 purchase
Filed: 7/31/2026ACC: 0001393085-26-000003
+400.00
Net shares
Net buyer
$17.6K
Total acquired
1
Open market trades
1B · 0S
1
Total transactions
400.00 acquired
Non-Derivative Transactions1
Class A Common Stock
Direct
Shares
+400.00
Price / share
$44.00
Trade value
$17.60K
% of position
15.4%
7/29/2026
2.60K→3K
Total
Net shares
+400.00
Net value
$17.60K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Class A Common Stock Direct | 7/29/2026 | P · Purchase | +400.00 | $44.00 | $17.60K | 15.4% | 2.60K | 3K |
| Total | +400.00 | $17.60K | ||||||
Derivative Transactions0
No derivative transactions reported