Form4insider filings, from the source

Insider · CIK 0001706903

Jeffrey Stuart Peters

Files at: MGNX. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $129k · 1net −$129k
$10k$10k$100k$100k$1M$1MbuyssalesMar 28Apr 27May 28Jun 28Jul 29Aug 28Sep 28

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 19, 2026 SForm 4 →Aug 20, 6:19 pm EDTMACROGENICS INCMGNX31,105$4.15$129,0860−100%10b5-1

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.