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Insider ActivitySMMT
Zanganeh Mahkam, Co-Chief Executive Officer, Director, 10% Owner at Summit Therapeutics Inc., bought $50.0M of SMMT
Updated Jun 17, 2026
Zanganeh Mahkam
Co-Chief Executive Officer, Director, 10% Owner
Summit Therapeutics Inc. ·
$SMMT
Transaction Details
| Insider | Zanganeh Mahkam |
|---|---|
| Title | Co-Chief Executive Officer, Director, 10% Owner |
| Company | Summit Therapeutics Inc. |
| Ticker | SMMT |
| Transaction Type | Purchase |
| Transaction Date | 2026-06-12 |
| Shares Traded | 3,810,000 |
| Price Per Share | $13.12 |
| Total Value | $50.0M |
| Filed Date | 2026-06-12 |
| Accession Number | 0001507650-26-000007 |
Ownership Context
| Shares Owned After Transaction | 573,883,879 |
|---|---|
| Ownership Type | Indirect |
SEC Filing
Accession: 0001507650-26-000007
Other Insider Trades — SMMT
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| DUGGAN ROBERT W | Co-Chief Executive Officer, Director, 10% Owner | bought | $50.0M | 2026-06-12 |
| Soni Manmeet Singh | COO and CFO, Director | bought | $362K | 2026-06-04 |
| Zanganeh Mahkam | Co-Chief Executive Officer, Director, 10% Owner | bought | $1.5M | 2026-06-04 |
| DUGGAN ROBERT W | Co-Chief Executive Officer, Director, 10% Owner | bought | $1.5M | 2026-06-04 |
Other Trades by Zanganeh Mahkam
| Ticker | Company | Action | Value | Date |
|---|---|---|---|---|
| PLSE | PULSE BIOSCIENCES, INC. | traded | — | 2026-06-11 |
| PLSE | PULSE BIOSCIENCES, INC. | traded | — | 2026-06-11 |
| SMMT | Summit Therapeutics Inc. | bought | $1.5M | 2026-06-04 |
Full Ticker Profile
View all insider trades, dark pool activity, congressional filings, and the Whisper Score for SMMT — Summit Therapeutics Inc. →
Whisper Score — SMMT
50.0
Active Discussion
Current Whisper Score
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: June 17, 2026 at 07:00 UTC