Zanganeh Mahkam: insider buys
Every open-market stock purchase reported by Zanganeh Mahkam to the SEC on Form 4.
Total bought$51.95M
Purchases3
Companies1
Last purchase filedJun 12, 2026
Return on these buys+21%
Zanganeh Mahkam has made 3 open-market purchases worth $51.95M in 1 company 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 21% at the latest closing prices (split-adjusted, weighted by amount).
Companies Zanganeh Mahkam 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 |
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| Filed | Stock | Insider | Value | Shares | Price | Since buy | Stake | Trade | |
|---|---|---|---|---|---|---|---|---|---|
| Jun 12 | SMMTSummit Therapeutics Inc. | Zanganeh MahkamCo-Chief Executive Officer, Direc… | $49.99M | 3,810,000 | $13.12 | +22% | +1% | Jun 12 | SEC |
| Jun 4 | SMMTSummit Therapeutics Inc. | Zanganeh MahkamCo-Chief Executive Officer, Direc… | $1.46M | 100,000 | $14.60 | +9.8% | +0% | Jun 4 | SEC |
| Oct 23 | SMMTSummit Therapeutics Inc. | Zanganeh MahkamCo-Chief Executive Officer, Direc… | $499.98K | 26,680 | $18.74 | -14% | +53% | Oct 21 | SEC |