Spitznagel Thomas (CIK 1675464) reported 6 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-02-17). Recent activity: Buy MGNX (13,332 shares), Sell MGNX (5,520 shares), Buy MGNX (6,001 shares), Sell MGNX (2,485 shares), Buy MGNX (8,999 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-17 | MACROGENICS INC (MGNX) | Sr VP, Technical Ops | Buy | 13,332 | $0 |
| 2026-02-17 | MACROGENICS INC (MGNX) | Sr VP, Technical Ops | Sell | 5,520 | $9,439 |
| 2026-02-10 | MACROGENICS INC (MGNX) | Sr VP, Technical Ops | Buy | 6,001 | $0 |
| 2026-02-10 | MACROGENICS INC (MGNX) | Sr VP, Technical Ops | Sell | 2,485 | $4,498 |
| 2026-02-10 | MACROGENICS INC (MGNX) | Sr VP, Technical Ops | Buy | 8,999 | $0 |
| 2026-02-10 | MACROGENICS INC (MGNX) | Sr VP, Technical Ops | Sell | 3,186 | $5,767 |
Source: SEC Form 4 filings · as of 2026-02-17