MGNX Insider Trading Activity and SEC Form 4 Filings
MGNX insider trading summary
Over the past 12 months, insiders at Macrogenics Inc (MGNX) reported 1 sale worth $129K by 1 insider and no open-market purchases on SEC Form 4. Net insider selling was $129K.
Latest MGNX insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Aug 19, 2026 | Jeffrey Stuart Peters | Senior VP, GC, and Secretary | Sell | $129K (31,105 @ $4.15) |
| Aug 20, 2025 | William K Heiden | Director | Buy | $74K (49,500 @ $1.49) |
| Aug 19, 2025 | William K Heiden | Director | Buy | $77K (50,500 @ $1.52) |
| Feb 15, 2025 | Beth Ann Smith | VP, Controller & Treasurer | Sell | $1K (423 @ $2.56) |
| Apr 4, 2024 | Jeffrey Stuart Peters | Senior VP and General Counsel | Sell | $58K (3,165 @ $18.22) |
| Apr 4, 2024 | Jeffrey Stuart Peters | Senior VP and General Counsel | Sell | $2K (147 @ $15.51) |
| Apr 4, 2024 | Jeffrey Stuart Peters | Senior VP and General Counsel | Sell | $640K (42,500 @ $15.07) |
| Apr 4, 2024 | Jeffrey Stuart Peters | Senior VP and General Counsel | Sell | $95K (5,351 @ $17.74) |
| Apr 4, 2024 | Jeffrey Stuart Peters | Senior VP and General Counsel | Sell | $4K (232 @ $16.38) |
| Mar 6, 2024 | Jeffrey Stuart Peters | Senior VP and General Counsel | Sell | $422K (19,625 @ $21.50) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.