Jeffrey Stuart Peters sold $129k of MGNX
Senior VP, GC, and Secretary at MACROGENICS INC. 31,105 shares at an average of $4.15, traded Aug 19, 2026, filed Aug 20, 2026.
Score components
- +15RoleOfficer
- +11Trade size$129k at market
- +20Share of holdings soldSold 100% of holdings
- 0ClusterNo other insider selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001706903-26-000006, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 19, 2026 | SOpen-market sale Common Stock10b5-1 | -31,105 | $4.15 | $129k | 0 | Aug 20, 2026 |
Related signals
Other insiders at MACROGENICS INC and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 36Weak | MGNXbuy MACROGENICS INC | William K Heiden director | $151k 100,000 shares | +909% | |
| 22Weak | MACROGENICS INC | Jeffrey Stuart Peters Senior VP and General Counsel | $799k 51,395 shares | -100% | |
| 31Weak | MACROGENICS INC | Jeffrey Stuart Peters Senior VP and General Counsel | $422k 19,625 shares | -69% | |
| 42Moderate | MACROGENICS INC | James Karrels SVP, CFO and Secretary | $615k 30,000 shares | -15% | |
| 27Weak | MACROGENICS INC | Thomas Spitznagel Sr VP, Technical Ops | $200k 10,000 shares | -55% | |
| 42Moderate | MACROGENICS INC | Eric Blasius Risser Chief Operating Officer | $814k 41,159 shares | -51% | |
| 44Moderate | MACROGENICS INC | Jeffrey Stuart Peters Senior VP and General Counsel | $278k 16,124 shares | -64% | |
| 10Weak | MACROGENICS INC | Ezio Bonvini Sr VP, Research & CSO | $60k 3,334 shares | -4% | |
| 33Weak | MACROGENICS INC | Jeffrey Stuart Peters Senior VP and General Counsel | $1.3M 76,251 shares | -100% | |
| 20Weak | MACROGENICS INC | Ezio Bonvini Sr VP, Research & CSO | $200k 13,316 shares | -15% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.