Summit Therapeutics Inc. (SMMT): 10 insider purchases in the last two years (4 opportunistic).
| Filed | Insider | Shares | Price | Value | Type |
|---|---|---|---|---|---|
| Jun 12, 2026 | Zanganeh Mahkam Director, Officer, TenPercentOwner | 3,810,000 | $13.12 | $50.0M | opportunistic |
| Jun 12, 2026 | Duggan Robert W Director, Officer, TenPercentOwner | 3,810,000 | $13.12 | $50.0M | no history |
| Jun 4, 2026 | Zanganeh Mahkam Director, Officer, TenPercentOwner | 100,000 | $14.60 | $1.5M | opportunistic |
| Jun 4, 2026 | Soni Manmeet Singh Director, Officer | 50,000 | $14.45 | $722.2K | no history |
| Jun 4, 2026 | Duggan Robert W Director, Officer, TenPercentOwner | 100,000 | $14.60 | $1.5M | no history |
| Oct 23, 2025 | Zanganeh Mahkam Director, Officer, TenPercentOwner | 26,680 | $18.74 | $500.0K | opportunistic |
| Oct 23, 2025 | Duggan Robert W Director, Officer, TenPercentOwner | 26,680 | $18.74 | $500.0K | no history |
| Oct 23, 2025 | Xia Yu Director | 533,617 | $18.74 | $10.0M | no history |
| Sep 11, 2025 | Duggan Robert W Director, Officer, TenPercentOwner | 338,394 | $17.69 | $6.0M | no history |
| Sep 11, 2025 | Zanganeh Mahkam Director, Officer, TenPercentOwner | 338,394 | $17.69 | $6.0M | opportunistic |
Open-market purchases from SEC Form 4. "Opportunistic" = this insider trades every year but not on a fixed schedule (Cohen, Malloy & Pomorski); "routine" buys carry little information.
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