Investor Duggan Robert W
13D/G Filings

This page shows a list of all the recent 13D/G filings made by Duggan Robert W . Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

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Date Form Target Prev
Shares		 Current
Shares		 Change
(Percent)		 Ownership
(Percent)		 Change
(Percent)
2024-12-19 13D/A PLSE / Pulse Biosciences, Inc. 48,623,225 48,792,335
2024-09-13 13D/A SMMT / Summit Therapeutics Inc. 175,864,281 555,736,060
2024-07-08 13D/A PLSE / Pulse Biosciences, Inc. 37,975,319 48,623,225
2023-12-15 13D/A PLSE / Pulse Biosciences, Inc. 37,454,260 37,975,319
2023-12-04 13D/A PLSE / Pulse Biosciences, Inc. 36,904,880 37,454,260
2023-05-11 13D/A PLSE / Pulse Biosciences, Inc. 26,754,809 36,904,880
2023-02-16 13D/A SMMT / Summit Therapeutics Inc. 175,864,281 175,864,281
2022-12-09 13D/A SMMT / Summit Therapeutics Inc. 166,517,847 175,864,281
2022-08-18 13D/A SMMT / Summit Therapeutics Inc. 71,647,509 166,517,847
2022-06-13 13D/A PLSE / Pulse Biosciences, Inc. 15,196,495 26,754,809
2021-07-02 13D/A PLSE / Pulse Biosciences, Inc. 12,142,715 15,196,495
2021-05-14 13D/A SUMM / SUMMIT THERAPEUTICS PLC 60,281,588 71,647,509
2021-05-11 13D/A PLSE / Pulse Biosciences, Inc. 12,100,284 12,142,715
2021-04-22 13D/A SUMM / SUMMIT THERAPEUTICS PLC 60,281,588 60,281,588
2021-03-26 13D/A SUMM / SUMMIT THERAPEUTICS PLC 60,281,588
2020-11-10 13D/A SMMT / Summit Therapeutics Inc. 55,940,271 60,281,588
2020-10-07 13D/A SMMT / Summit Therapeutics Inc. 55,940,271 55,940,271
2020-10-06 13D/A SMMT / Summit Therapeutics Inc. 46,209,732 55,940,271
2020-09-28 13D SMMT / Summit Therapeutics Inc. 231,048,661 46,209,732
2020-06-17 13D/A PLSE / Pulse Biosciences, Inc. 9,080,731 12,100,284
2020-01-16 13D/A SMMT / Summit Therapeutics Inc. 269,368,810 231,048,661
2019-12-27 13D/A SMMT / Summit Therapeutics Inc. 78,288,205 269,368,810
2019-12-10 13D/A SMMT / Summit Therapeutics Inc. 78,288,205 78,288,205
2019-04-12 13D/A / Achaogen Inc 3,384,153 2,982,453
2019-04-05 13D/A / Achaogen Inc 4,320,551 3,384,153
2019-03-28 13D/A / Achaogen Inc 5,757,839 4,320,551
2019-03-20 13D/A / Achaogen Inc 7,035,727 5,757,839
2019-03-13 13D/A / Achaogen Inc 9,389,734 7,035,727
2019-02-26 13D/A / Achaogen Inc 9,389,734 9,389,734
2019-01-22 13D SMMT / Summit Therapeutics Inc. 78,288,205
2019-01-18 13D/A AUPH / Aurinia Pharmaceuticals Inc. 4,912,284 4,245,365
2018-12-17 13D/A PLSE / Pulse Biosciences, Inc. 5,832,612 9,080,731
2018-12-12 13D/A / Achaogen Inc 8,230,052 9,389,734
2018-05-07 13D/A / Achaogen Inc 7,023,076 8,230,052
2018-04-24 13D/A / Achaogen Inc 7,023,076 7,023,076
2018-04-23 13D/A / Achaogen Inc 6,347,318 7,023,076
2018-03-14 13D/A / Achaogen Inc 6,347,318 6,347,318
2018-03-13 13D/A / Achaogen Inc 5,579,910 6,347,318
2017-12-11 13D/A / Achaogen Inc 5,579,910 5,579,910
2017-12-09 13D/A / Achaogen Inc 3,074,717 5,579,910
2017-10-23 13D/A AUPH / Aurinia Pharmaceuticals Inc. 5,766,887 4,912,284
2017-10-20 13D/A / Achaogen Inc 2,035,888 3,074,717
2017-09-26 13D/A PLSE / Pulse Biosciences, Inc. 3,832,612 5,832,612
2017-09-18 13D/A PLSE / Pulse Biosciences, Inc. 3,422,694 3,832,612
2017-08-03 13D/A PLSE / Pulse Biosciences, Inc. 3,061,316 3,422,694
2017-05-12 13D/A PLSE / Pulse Biosciences, Inc. 2,898,192 3,061,316
2017-05-01 13D AUPH / Aurinia Pharmaceuticals Inc. 5,766,887
2017-04-20 13D/A PLSE / Pulse Biosciences, Inc. 2,578,950 2,898,192
2017-04-11 13D/A PLSE / Pulse Biosciences, Inc. 2,173,359 2,578,950
2017-03-28 13D / Achaogen Inc 2,035,888
2017-02-21 13D PLSE / Pulse Biosciences, Inc. 2,173,359
2015-06-01 13D/A PCYC / Pharmacyclics 13,553,330 0
2015-03-09 13D/A PCYC / Pharmacyclics 13,553,330