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Duggan Robert W
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EDGAR CIK
0001055919
Summit Therapeutics Inc. - SMMT
Manufacturing
Chemicals
Pharmaceutical Preparations
CEO
Director
10% owner
Co-Chief Executive Officer
Direct Buys
2
$5.98 M
338,394
Shares
Direct Sells
0
$0
0
Shares
Indirect Buys
2
$1.96 M
126,680
Shares
Indirect Sells
0
$0
0
Shares
Monthly Values
Show Transactions
Transaction
Filed
Type
Shares @ Price
Value
Balance ( Change % )
Ownership
06/04/2026
06/04/2026
Buy
100,000 @ $14.60
$1,460,000
25,824,474
(0.39%)
Indirect - By the Mahkam Zanganeh Revocable Trust, with the Spouse of Reporting Person as Trustee
10/21/2025
10/23/2025
Buy
26,680 @ $18.74
$499,983
76,680
(53.36%)
Indirect - Immediate family member of Spouse
09/11/2025
09/11/2025
Buy
5,000 @ $18.07
$90,350
556,093,090
(0.00%)
Direct
09/10/2025
09/11/2025
Buy
333,394 @ $17.68
$5,894,406
556,088,090
(0.06%)
Direct
Pulse Biosciences, Inc. - PLSE
Manufacturing
Specialty Instruments
Surgical & Medical Instruments & Apparatus
Director
10% owner
Direct Buys
2
$13.51 M
694,892
Shares
Direct Sells
0
$0
0
Shares
Indirect Buys
0
$0
0
Shares
Indirect Sells
0
$0
0
Shares
Monthly Values
Show Transactions
Transaction
Filed
Type
Shares @ Price
Value
Balance ( Change % )
Ownership
05/11/2026
05/15/2026
Buy
660,233 @ $19.69
$12,999,988
48,370,047
(1.38%)
Direct
09/10/2025
09/12/2025
Buy
34,659 @ $14.66
$508,101
47,551,200
(0.07%)
Direct