Summit Therapeutics Inc. (SMMT) is a publicly traded company in the Unknown sector. Across all available filings, 10 corporate insiders have executed 66 transactions totaling $332.8M, demonstrating a bullish sentiment with $332.1M in net insider flow. The most recent transaction on Jan 8, 2026 involved a transaction of 30,000 shares valued at $0.
No significant insider buying has been recorded for SMMT in the recent period.
No significant insider selling has been recorded for SMMT in the recent period.
Based on recent SEC filings, insider sentiment for SMMT is bullish with an Insider Alignment Score of 100/100 and a net flow of $332.1M. Insiders are accumulating shares, which historically signals confidence in the company's future performance.
Insider trading at Summit Therapeutics Inc. (SMMT) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 10 insiders are actively trading SMMT stock, having executed 66 transactions in the past 90 days. The most active insider is Robert W. Duggan (Executive), who has made 13 transactions totaling $547.6M.
Get notified when executives and directors at SMMT file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Jan 8, 2026 | Anand Bhaskar | Chief Accounting Officer | Award | 30,000 | $N/A | $0 | |
| Jan 2, 2026 | W. Duggan Robert | Executive | Award | 11,232 | $8.76 | $98.4K | |
| Jan 2, 2026 | Ronaghi Mostafa | Executive | Award | 35,000 | $N/A | $0 | |
| Oct 21, 2025 | Zanganeh Mahkam | Executive | Award | 13,980,789 | $18.74 | $262.0M | Large |
| Oct 21, 2025 | Zanganeh Mahkam | Executive | Purchase | 26,680 | $18.74 | $500.0K | |
| Oct 21, 2025 | Zanganeh Mahkam | Executive | Award | 266,808 | $18.74 | $5.0M | Large |
| Oct 21, 2025 | W. Duggan Robert | Executive | Award | 13,980,789 | $18.74 | $262.0M | Large |
| Oct 21, 2025 | W. Duggan Robert | Executive | Purchase | 26,680 | $18.74 | $500.0K | |
| Oct 21, 2025 | W. Duggan Robert | Executive | Award | 266,808 | $18.74 | $5.0M | Large |
| Oct 21, 2025 | Singh Soni Manmeet | Executive | Award | 53,361 | $18.74 | $1000.0K | Large |
| Oct 21, 2025 | Anand Bhaskar | Executive | Award | 26,680 | $18.74 | $500.0K | |
| Oct 21, 2025 | Xia Yu | Executive | Purchase | 533,617 | $18.74 | $10.0M | Large |
| Sep 11, 2025 | W. Duggan Robert | Executive | Purchase | 5,000 | $18.07 | $90.3K | |
| Sep 11, 2025 | Zanganeh Mahkam | Executive | Purchase | 5,000 | $18.07 | $90.3K | |
| Sep 10, 2025 | W. Duggan Robert | Executive | Purchase | 333,394 | $17.68 | $5.9M | Large |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Award(A) | 14 | $614.6M | 64.8% |
Purchase(P) | 36 | $332.4M | 35.0% |
Exercise (Options)(X) | 2 | $1.2M | 0.1% |
Sale(S) | 5 | $321.5K | 0.0% |
Exercise(M) | 6 | $138.1K | 0.0% |
Other(J) | 3 | $0 | 0.0% |
Insiders at Summit Therapeutics Inc. are accumulating shares at an accelerated pace. With 10 insiders making 66 transactions totaling $332.4M in purchases versus $321.5K in sales, the net buying activity of $332.1M signals strong executive confidence. Robert W. Duggan (Executive) leads the buying activity with $547.6M in transactions across all time.