Summit Therapeutics Inc. (SMMT) insider trading
Over the last 12 months, 3 insiders bought $104M and 0 insiders sold $0 of Summit Therapeutics Inc. stock on the open market, according to SEC Form 4 filings.
Latest insider buys and sells
- Jun 12, 2026: Duggan Robert W bought 3,810,000 shares ($50.0M)
- Jun 12, 2026: Zanganeh Mahkam bought 3,810,000 shares ($50.0M)
- Jun 4, 2026: Soni Manmeet Singh bought 50,000 shares ($722K)
- Jun 4, 2026: Duggan Robert W bought 100,000 shares ($1.46M)
- Jun 4, 2026: Zanganeh Mahkam bought 100,000 shares ($1.46M)
- Oct 21, 2025: Xia Yu bought 533,617 shares ($10.00M)
- Oct 21, 2025: Duggan Robert W bought 26,680 shares ($500K)
- Oct 21, 2025: Zanganeh Mahkam bought 26,680 shares ($500K)
- Sep 11, 2025: Duggan Robert W bought 338,394 shares ($5.98M)
- Sep 11, 2025: Zanganeh Mahkam bought 338,394 shares ($5.98M)