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Insider selling
Jeffrey Stuart Peters sold $129K of Macrogenics Inc (MGNX) stock
Jeffrey Stuart Peters, Senior VP, GC, and Secretary of Macrogenics Inc (MGNX), sold 31,105 shares of MGNX stock worth $129K, per an SEC Form 4 filed Aug 20, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on Aug 19, 2026, 1 day before it was made public.
MGNX has moved -1.2% since the trade date, from $4.17 to $4.12 (Sep 21, 2026 close).
- Traded
- Aug 19, 2026
- Disclosed
- Aug 20, 2026
- Filing delay
- 1 day
- Price since
- -1.2%
- Role
- Senior VP, GC, and Secretary
- Source
- SEC Form 4
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.