- Corporate Officers - D
- Duggan Robert W
Insider Trading History of Duggan Robert W
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Duggan Robert W since 2017.
This trader's CIK number is 1055919.
At the time of last reporting, Duggan Robert W was the Co-Chief Executive Officer of Summit Therapeutics Inc.. (stock ticker symbol SMMT).
Also see all insider trading activities at Summit Therapeutics Inc..
Note that in the past
DUGGAN ROBERT W also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Achaogen, Inc. (AKAO) by Duggan Robert W
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2019 | AKAO | 0 | $0 | 3,631,895 | $2,107,782 | 0 | $0 |
| 2018 | AKAO | 3,714,812 | $31,808,835 | 0 | $0 | 0 | $0 |
| 2017 | AKAO | 95,012 | $1,057,483 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Pulse Biosciences, Inc. (PLSE) by Duggan Robert W
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2024 | PLSE | 156,714 | $2,684,470 | 0 | $0 | 0 | $0 |
| 2023 | PLSE | 11,060,178 | $74,783,744 | 0 | $0 | 200,679 | $1,008,532 |
| 2021 | PLSE | 3,048,780 | $49,999,991 | 0 | $0 | 0 | $0 |
| 2018 | PLSE | 21,353 | $494,535 | 0 | $0 | 0 | $0 |
| 2017 | PLSE | 3,735,334 | $66,225,228 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Summit Therapeutics Inc. (SMMT) by Duggan Robert W
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | SMMT | 0 | $0 | 0 | $0 | 74,545 | $196,798 |
| 2023 | SMMT | 376,489,880 | $395,314,374 | 0 | $0 | 0 | $0 |
| 2022 | SMMT | 94,849,203 | $92,003,726 | 0 | $0 | 0 | $0 |
| 2020 | SMMT | 14,071,856 | $46,999,999 | 0 | $0 | 0 | $0 |
Insider trading activities at 3 companies by Duggan Robert W:
1. Achaogen, Inc. (AKAO)
2. Pulse Biosciences, Inc. (PLSE)
3. Summit Therapeutics Inc. (SMMT)
Table 1. Insider trading of Achaogen, Inc. (AKAO) by Duggan Robert W
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2019-03-18 | AKAO | Sale | 271,879 | .56 | 152,252 |
| 2019-03-19 | AKAO | Sale | 956,009 | .53 | 506,684 |
| 2019-03-20 | AKAO | Sale | 50,000 | .53 | 26,500 |
| 2019-03-11 | AKAO | Sale | 520,102 | .63 | 327,664 |
| 2019-03-13 | AKAO | Sale | 1,199,930 | .59 | 707,958 |
| 2019-03-12 | AKAO | Sale | 633,975 | .61 | 386,724 |
| 2018-12-10 | AKAO | Buy | 436,500 | 1.60 | 697,963 |
| 2018-12-11 | AKAO | Buy | 306,848 | 1.65 | 505,071 |
| 2018-12-07 | AKAO | Buy | 22,431 | 1.40 | 31,403 |
| 2018-11-23 | AKAO | Buy | 80,175 | 1.89 | 151,610 |
| 2018-11-27 | AKAO | Buy | 77,585 | 1.68 | 129,954 |
| 2018-11-20 | AKAO | Buy | 231,495 | 1.93 | 447,016 |
| 2018-11-19 | AKAO | Buy | 4,648 | 1.62 | 7,525 |
| 2018-05-03 | AKAO | Buy | 976,880 | 11.43 | 11,166,715 |
| 2018-04-25 | AKAO | Buy | 77,247 | 13.02 | 1,005,987 |
| 2018-04-26 | AKAO | Buy | 50,000 | 12.96 | 647,750 |
| 2018-04-27 | AKAO | Buy | 102,849 | 12.96 | 1,333,128 |
| 2018-04-19 | AKAO | Buy | 119,700 | 12.76 | 1,527,252 |
| 2018-04-20 | AKAO | Buy | 216,150 | 13.23 | 2,860,529 |
| 2018-04-23 | AKAO | Buy | 132,487 | 13.06 | 1,730,942 |
| 2018-04-02 | AKAO | Buy | 20,000 | 12.51 | 250,200 |
| 2018-04-03 | AKAO | Buy | 24,100 | 12.46 | 300,237 |
| 2018-04-04 | AKAO | Buy | 47,361 | 12.44 | 588,981 |
| 2018-03-28 | AKAO | Buy | 30,000 | 12.44 | 373,110 |
| 2018-03-20 | AKAO | Buy | 25,000 | 11.09 | 277,150 |
| 2018-03-19 | AKAO | Buy | 11,300 | 11.20 | 126,559 |
| 2018-03-14 | AKAO | Buy | 19,660 | 11.57 | 227,485 |
| 2018-03-15 | AKAO | Buy | 30,000 | 11.22 | 336,750 |
| 2018-03-09 | AKAO | Buy | 50,000 | 11.41 | 570,500 |
| 2018-03-12 | AKAO | Buy | 20,000 | 11.39 | 227,800 |
| 2018-03-02 | AKAO | Buy | 96,790 | 10.14 | 981,644 |
| 2018-03-01 | AKAO | Buy | 410,606 | 10.33 | 4,243,202 |
| 2018-02-28 | AKAO | Buy | 20,000 | 10.70 | 213,920 |
| 2018-02-13 | AKAO | Buy | 558 | 10.96 | 6,118 |
| 2018-02-14 | AKAO | Buy | 9,442 | 10.96 | 103,484 |
| 2018-01-05 | AKAO | Buy | 50,000 | 11.51 | 575,500 |
| 2018-01-03 | AKAO | Buy | 15,000 | 10.89 | 163,350 |
| 2017-12-18 | AKAO | Buy | 95,012 | 11.13 | 1,057,483 |
Table 2. Insider trading of Pulse Biosciences, Inc. (PLSE) by Duggan Robert W
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2024-12-13 | PLSE | Buy | 55,256 | 17.18 | 949,298 |
| 2024-12-12 | PLES | Buy | 45,404 | 17.13 | 777,770 |
| 2024-12-11 | PLSE | Buy | 56,054 | 17.08 | 957,402 |
| 2023-12-12 | PLSE | Buy | 17,999 | 9.15 | 164,690 |
| 2023-12-11 | PLSE | Buy | 90,118 | 9.36 | 843,504 |
| 2023-12-08 | PLSE | Buy | 116,656 | 9.54 | 1,112,898 |
| 2023-12-07 | PLSE | Buy | 74,852 | 9.19 | 687,889 |
| 2023-12-06 | PLSE | Option Ex | 9,933 | 5.95 | 59,101 |
| 2023-12-06 | PLSE | Buy | 82,813 | 9.06 | 750,285 |
| 2023-12-05 | PLSE | Buy | 66,021 | 9.34 | 616,636 |
| 2023-12-04 | PLSE | Option Ex | 40,347 | 10.66 | 430,099 |
| 2023-12-04 | PLSE | Buy | 27,000 | 10.38 | 280,260 |
| 2023-12-01 | PLSE | Buy | 45,600 | 9.07 | 413,592 |
| 2023-11-30 | PLSE | Buy | 152,944 | 9.06 | 1,385,672 |
| 2023-11-29 | PLSE | Buy | 218,600 | 9.32 | 2,038,444 |
| 2023-11-29 | PLSE | Option Ex | 1,667 | 5.95 | 9,918 |
| 2023-11-28 | PLSE | Buy | 124,397 | 8.98 | 1,117,085 |
| 2023-11-17 | PLSE | Buy | 20,241 | 6.10 | 123,470 |
| 2023-11-07 | PLSE | Option Ex | 13,265 | 5.95 | 78,926 |
| 2023-08-25 | PLSE | Option Ex | 1,667 | 5.95 | 9,918 |
| 2023-07-25 | PLSE | Option Ex | 1,667 | 5.95 | 9,918 |
| 2023-07-05 | PLSE | Option Ex | 65,000 | 2.14 | 139,100 |
| 2023-07-07 | PLSE | Option Ex | 67,133 | 4.04 | 271,552 |
| 2023-05-09 | PLSE | Buy | 10,022,937 | 6.51 | 65,249,319 |
| 2021-06-30 | PLSE | Buy | 3,048,780 | 16.40 | 49,999,991 |
| 2018-05-11 | PLSE | Buy | 21,353 | 23.16 | 494,535 |
| 2017-12-13 | PLSE | Buy | 20,556 | 22.44 | 461,276 |
| 2017-10-19 | PLSE | Buy | 22,901 | 22.79 | 521,867 |
| 2017-09-24 | PLSE | Buy | 2,000,000 | 15.02 | 30,040,000 |
| 2017-09-15 | PLSE | Buy | 197,098 | 15.43 | 3,041,813 |
| 2017-09-18 | PLSE | Buy | 31,200 | 15.31 | 477,547 |
| 2017-09-14 | PLSE | Buy | 181,620 | 13.23 | 2,402,287 |
| 2017-08-03 | PLSE | Buy | 68,964 | 23.70 | 1,634,722 |
| 2017-08-01 | PLSE | Buy | 155,486 | 22.28 | 3,463,761 |
| 2017-08-02 | PLSE | Buy | 53,000 | 24.75 | 1,311,538 |
| 2017-05-22 | PLSE | Buy | 34,728 | 26.41 | 917,097 |
| 2017-05-23 | PLSE | Buy | 49,200 | 27.46 | 1,351,179 |
| 2017-05-11 | PLSE | Buy | 17,600 | 21.03 | 370,180 |
| 2017-05-09 | PLSE | Buy | 25,789 | 20.32 | 524,084 |
| 2017-04-28 | PLSE | Buy | 60,000 | 23.93 | 1,435,500 |
| 2017-05-02 | PLSE | Buy | 5,000 | 23.40 | 117,000 |
| 2017-05-01 | PLSE | Buy | 19,348 | 23.81 | 460,714 |
| 2017-04-27 | PLSE | Buy | 200 | 22.95 | 4,590 |
| 2017-04-26 | PLSE | Buy | 10,000 | 24.47 | 244,690 |
| 2017-04-25 | PLSE | Buy | 25,187 | 24.94 | 628,113 |
| 2017-04-17 | PLSE | Buy | 107,300 | 24.29 | 2,606,746 |
| 2017-04-18 | PLSE | Buy | 61,819 | 25.54 | 1,578,857 |
| 2017-04-19 | PLSE | Buy | 150,123 | 23.81 | 3,574,428 |
| 2017-04-10 | PLSE | Buy | 31,964 | 20.89 | 667,600 |
| 2017-04-07 | PLSE | Buy | 94,100 | 19.59 | 1,843,795 |
| 2017-04-06 | PLSE | Buy | 65,400 | 19.12 | 1,250,513 |
| 2017-03-16 | PLSE | Buy | 73,782 | 23.87 | 1,761,250 |
| 2017-03-17 | PLSE | Buy | 25,859 | 24.07 | 622,451 |
| 2017-03-18 | PLSE | Buy | 105,486 | 23.01 | 2,427,127 |
| 2017-02-09 | PLSE | Buy | 41,624 | 11.64 | 484,503 |
Table 3. Insider trading of Summit Therapeutics Inc. (SMMT) by Duggan Robert W
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-05-30 | SMMT | Option Ex | 74,545 | 2.64 | 196,798 |
| 2023-03-06 | SMMT | Buy | 376,489,880 | 1.05 | 395,314,374 |
| 2022-08-16 | SMMT | Buy | 94,849,203 | .97 | 92,003,726 |
| 2020-11-06 | SMMT | Buy | 14,071,856 | 3.34 | 46,999,999 |
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above table cannot be completely guaranteed as to their accuracy.
For more information regarding the trades made by Duggan Robert W
(Co-Chief Executive Officer of Summit Therapeutics Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.