Summit Therapeutics PLC

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Summit Therapeutics PLC
TickerSMMT
CIK #0001599298
CUSIP86627R102
SectorLife Sciences - Pharmaceutical Preparations
Address136A Eastern Avenue Milton Park, Abingdon, OX14 4SB
Source [EDGAR]
Reg D Offering (Form D) Filed Raised Terms
Summit Therapeutics Inc 2024-09-26 235.0 M Exemption: 506(b) · Duration: One year or less · Revenue: Decline to Disclose
Summit Therapeutics PLC 2020-01-02 47.4 M Exemption: 506(b) · Duration: One year or less · Revenue: Decline to Disclose
Summit Corp PLC 2014-03-04 11.6 M Exemption: 506(b) · Duration: One year or less · Commission: $698,640 · Revenue: Decline to Disclose
CIK Filing 2011 - 2026
[0001599298] 10-K
[0001599298] 10-Q
[0001599298] 3
[0001599298] 4
[0001599298] 5
[0001599298] 6-K
[0001599298] 8-K
[0001599298] D
[0001599298] SC 13D
[0001599298] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Polar Capital Holdings PLC Summit Therapeutics Inc [2021-02-16] 7.05
Zanganeh Maky Summit Therapeutics Inc [2020-09-28] 7.8
Duggan Robert W Summit Therapeutics Inc [2020-09-28] 64.89
Zanganeh Maky Summit Therapeutics PLC [2020-01-23] 7.14
Duggan Robert W Summit Therapeutics PLC [2019-01-22] 48.81
Lansdowne Partners UK LLP Summit Therapeutics PLC [2015-03-16] 27.0
Point72 Asset Management LP Summit Therapeutics PLC [2015-03-11] 6.6
Form 3/4/5 Filer 2011 - 2026
Zanganeh Mahkam
Summit Therapeutics Inc
Duggan Robert W
Soni Manmeet Singh
Anand Bhaskar
Ronaghi Mostafa
Huber Jeff
Booth Robert F
Cesano Alessandra
Xia Yu
Clark Kenneth A
Dhingra Ankur
Mahatme Ujwala
Gayko Urte
Maranian Jeffrey R
Wang Luhua
Donaldson Michael Paul
Erdtmann Rainer M
Powell David Jonathan
Graham Camilla
Stefanov Ventzislav
Houbiers Jos
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Anand Bhaskar
Stock Option (right to buy) · derivative
2026-01-08 Grant 30,000
Duggan Robert W
Stock Option (right to buy) · derivative
2026-01-02 Grant 11,232 $8.76 98,392
Zanganeh Mahkam
Stock Option (right to buy) · derivative
2026-01-02 Grant 11,232 $8.76 98,392
Booth Robert F
Stock Option (right to buy) · derivative
2026-01-02 Grant 35,000
Booth Robert F
Stock Option (right to buy) · derivative
2026-01-02 Grant 7,180 $8.76 62,897
Xia Yu
Stock Option (right to buy) · derivative
2026-01-02 Grant 35,000
Huber Jeff
Stock Option (right to buy) · derivative
2026-01-02 Grant 9,885 $8.76 86,593
Huber Jeff
Stock Option (right to buy) · derivative
2026-01-02 Grant 35,000
Ronaghi Mostafa
Stock Option (right to buy) · derivative
2026-01-02 Grant 35,000
Clark Kenneth A
Stock Option (right to buy) · derivative
2026-01-02 Grant 35,000
Clark Kenneth A
Stock Option (right to buy) · derivative
2026-01-02 Grant 17,796 $8.76 155,893
Cesano Alessandra
Stock Option (right to buy) · derivative
2026-01-02 Grant 35,000
Cesano Alessandra
Stock Option (right to buy) · derivative
2026-01-02 Grant 3,219 $8.76 28,198
Soni Manmeet Singh
Common Stock
2025-10-21 Grant 53,361 $18.74 999,985
Xia Yu
Common Stock
2025-10-21 Buy 533,617 $18.74 9,999,983
Anand Bhaskar
Common Stock
2025-10-21 Grant 26,680 $18.74 499,983
Duggan Robert W
Common Stock
2025-10-21 Grant 266,808 $18.74 4,999,982
Duggan Robert W
Common Stock
2025-10-21 Buy 26,680 $18.74 499,983
Duggan Robert W
Common Stock
2025-10-21 Grant 13,980,789 $18.74 261,999,986
Zanganeh Mahkam
Common Stock
2025-10-21 Grant 266,808 $18.74 4,999,982
showing 20 of 182 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 226 114,726,510
2025-12-31 212 114,905,447
2025-09-30 241 107,219,745
2025-06-30 244 101,472,887
2025-03-31 223 97,481,715
2024-12-31 215 90,162,422
2024-09-30 172 84,078,128
2024-06-30 131 72,309,421
2024-03-31 107 51,458,411
2023-12-31 99 33,466,493
2023-09-30 94 32,931,082
2023-06-30 101 35,070,930
Form 13F Holdings
Firm Period DFND Voting Shares
TEMA ETFS LLC [2026-06-30] SOLE 121,097 121,097
Assenagon Asset Management SA [2026-06-30] SOLE 59,621 59,621
Handelsbanken Fonder AB [2026-06-30] SOLE 0 55,500
Farther Finance Advisors LLC [2026-06-30] SOLE 0 25,301
Adirondack Trust Co [2026-06-30] SOLE 2,500 2,500
Gamma Investing LLC [2026-06-30] DFND 1,668 1,668
Vermillion Wealth Management Inc [2026-06-30] SOLE 0 1,000
CX Institutional [2026-06-30] SOLE 0 591
Rosenberg Matthew Hamilton [2026-06-30] SOLE 501 501
LRI Investments LLC [2026-06-30] SOLE 500 500
IFP Advisors LLC [2026-06-30] SOLE 169 169
Capital Advisors Ltd LLC [2026-06-30] SOLE 0 85
Physician Wealth Advisors Inc [2026-06-30] SOLE 0 35
Allied Private Wealth LLC [2026-06-30] SOLE 30 30
True Wealth Design LLC [2026-06-30] SOLE 0 10
Activest Wealth Management [2026-06-30] SOLE 0 0
MassMutual Private Wealth & Trust FSB [2026-06-30] SOLE 0 0
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