Hagler Mark Arnold (CIK 2126029) reported 1 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-04-28). Recent activity: Buy NBP (230,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-28 | NovaBridge Biosciences (NBP) | See Remarks | Buy | 230,000 | $577,300 |
Source: SEC Form 4 filings · as of 2026-04-28