Duggan Robert W: insider buys
Every open-market stock purchase reported by Duggan Robert W to the SEC on Form 4.
Total bought$64.95M
Purchases4
Companies2
Last purchase filedJun 12, 2026
Return on these buys+50%
Duggan Robert W has made 4 open-market purchases worth $64.95M in 2 companies since Oct 23, 2025, according to SEC Form 4 filings. The most recent was filed on Jun 12, 2026: 3,810,000 shares of SMMT at $13.12 (Co-Chief Executive Officer, Director, 10% Owner), worth $49.99M. Taken together, these purchases are up 50% at the latest closing prices (split-adjusted, weighted by amount).
Companies Duggan Robert W bought
| Ticker | Company | Role | Buys | Total | Since buy | Last filed |
|---|---|---|---|---|---|---|
| SMMT | Summit Therapeutics Inc. | Co-Chief Executive Officer, Direc… | 3 | $51.95M | +21% | Jun 12 |
| PLSE | Pulse Biosciences, Inc. | Director, 10% Owner | 1 | $13M | +165% | May 11 |
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| Filed | Stock | Insider | Value | Shares | Price | Since buy | Stake | Trade | |
|---|---|---|---|---|---|---|---|---|---|
| Jun 12 | SMMTSummit Therapeutics Inc. | Duggan Robert WCo-Chief Executive Officer, Direc… | $49.99M | 3,810,000 | $13.12 | +22% | +1% | Jun 12 | SEC |
| Jun 4 | SMMTSummit Therapeutics Inc. | Duggan Robert WCo-Chief Executive Officer, Direc… | $1.46M | 100,000 | $14.60 | +9.8% | +0% | Jun 4 | SEC |
| May 11 | PLSEPulse Biosciences, Inc. | Duggan Robert WDirector, 10% Owner | $13M | 660,233 | $19.69 | +165% | +1% | May 11 | SEC |
| Oct 23 | SMMTSummit Therapeutics Inc. | Duggan Robert WCo-Chief Executive Officer, Direc… | $499.98K | 26,680 | $18.74 | -14% | +53% | Oct 21 | SEC |