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Summit Therapeutics Inc.

Summit Therapeutics Inc.

SMMT
NASDAQHealthcare

Insider Trading for SMMT

View recent insider trading activity including purchases, sales, and awards. Insider trading can provide insights into how executives view their company's prospects.

Insider Trading Summary

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Shares Disposed
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Net Position
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Recent Activity (30 Days)

No insider transactions in the past 30 days.

Quarterly Activity (3 Months)

Acquisitions: 7.9M shares
Dispositions: 0 shares
Net: 7.9M shares

Insiders have been net buyers over the quarter, suggesting potential confidence in medium-term business fundamentals.

Key Insider Activity: Dec 31, 2023 to Jun 12, 2026

DUGGAN ROBERT W
ExecutiveCorporate Officer
+40.9M shares
17 transactions
Zanganeh Mahkam
ExecutiveCorporate Officer
+40.5M shares
26 transactions
Soni Manmeet Singh
ExecutiveChief Financial Officer
+15.2M shares
7 transactions
Xia Yu
DirectorDirector
+844.1K shares
7 transactions
Anand Bhaskar
ExecutiveCorporate Officer
+1.5M shares
9 transactions

Transaction Details

DateInsiderRoleTransactionSharesPriceValueOwned AfterSEC Filing
Jun 12, 2026Zanganeh MahkamECorporate OfficerPurchase3.8M$13.12$49,987,200.00573.9MView
Jun 12, 2026DUGGAN ROBERT WECorporate OfficerPurchase3.8M$13.12$49,987,200.00573.9MView
Jun 4, 2026DUGGAN ROBERT WECorporate OfficerPurchase100.0K$14.60$1,460,000.0025.8MView
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Click "View" in the SEC Filing column to access the detailed SEC form submission for each transaction.

Executive Activity:

Executives have been net buyers of SMMT stock, which is typically a strong positive signal.