- Corporate Officers - D
- Dupont Jakob
Insider Trading History of Dupont Jakob
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Dupont Jakob since 2015.
This trader's CIK number is 1553335.
At the time of last reporting, Dupont Jakob was the Officer of Pyxis Oncology, Inc.. (stock ticker symbol PYXS).
Also see all insider trading activities at Pyxis Oncology, Inc..
Note that in the past
Dupont Jakob also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Gossamer Bio, Inc. (GOSS) by Dupont Jakob
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2019 | GOSS | 0 | $0 | 41,994 | $631,535 | 41,994 | $449,755 |
Yearly summary of insider trading at Pyxis Oncology, Inc. (PYXS) by Dupont Jakob
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2026 | PYXS | 0 | $0 | 70,000 | $214,200 | 70,000 | $112,000 |
Yearly summary of insider trading at Oncomed Pharmaceuticals Inc (OMED) by Dupont Jakob
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2016 | OMED | 0 | $0 | 4,662 | $97,410 | 2,500 | $11,399 |
| 2015 | OMED | 0 | $0 | 31,000 | $691,704 | 31,000 | $141,350 |
Yearly summary of insider trading at Atara Biotherapeutics, Inc. (ATRA) by Dupont Jakob
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2023 | ATRA | 0 | $0 | 5,074 | $18,403 | 0 | $0 |
| 2022 | ATRA | 0 | $0 | 19,560 | $162,795 | 5,000 | $47,900 |
| 2021 | ATRA | 0 | $0 | 14,351 | $236,348 | 10,000 | $95,800 |
Insider trading activities at 4 companies by Dupont Jakob:
1. Gossamer Bio, Inc. (GOSS)
2. Pyxis Oncology, Inc. (PYXS)
3. Oncomed Pharmaceuticals Inc (OMED)
4. Atara Biotherapeutics, Inc. (ATRA)
Table 1. Insider trading of Gossamer Bio, Inc. (GOSS) by Dupont Jakob
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2019-12-30 | GOSS | Sale | 40,000 | 15.00 | 600,000 |
| 2019-12-30 | GOSS | Option Ex | 40,000 | 10.71 | 428,400 |
| 2019-12-27 | GOSS | Sale | 1,994 | 15.81 | 31,535 |
| 2019-12-27 | GOSS | Option Ex | 1,994 | 10.71 | 21,355 |
Table 2. Insider trading of Pyxis Oncology, Inc. (PYXS) by Dupont Jakob
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2026-06-30 | PYXS | Option Ex | 35,000 | 1.60 | 56,000 |
| 2026-06-30 | PYXS | Sale | 35,000 | 3.06 | 107,100 |
| 2026-06-30 | PYXS | Option Ex | 35,000 | 1.60 | 56,000 |
| 2026-06-30 | PYXS | Sale | 35,000 | 3.06 | 107,100 |
Table 3. Insider trading of Oncomed Pharmaceuticals Inc (OMED) by Dupont Jakob
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2016-01-11 | OMED | Sale | 2,500 | 20.01 | 50,020 |
| 2016-01-11 | OMED | Option Ex | 2,500 | 4.56 | 11,399 |
| 2016-01-06 | OMED | Sale | 2,161 | 21.92 | 47,369 |
| 2016-01-07 | OMED | Sale | 1 | 21.33 | 21 |
| 2015-12-10 | OMED | Sale | 2,500 | 20.49 | 51,232 |
| 2015-12-10 | OMED | Option Ex | 2,500 | 4.56 | 11,399 |
| 2015-11-10 | OMED | Option Ex | 2,500 | 4.56 | 11,399 |
| 2015-11-10 | OMED | Sale | 2,500 | 21.17 | 52,922 |
| 2015-10-26 | OMED | Sale | 5,000 | 20.00 | 100,000 |
| 2015-10-26 | OMED | Option Ex | 5,000 | 4.56 | 22,799 |
| 2015-08-10 | OMED | Option Ex | 2,500 | 4.56 | 11,399 |
| 2015-08-10 | OMED | Sale | 2,500 | 22.25 | 55,622 |
| 2015-07-10 | OMED | Sale | 2,500 | 20.13 | 50,325 |
| 2015-07-10 | OMED | Option Ex | 2,500 | 4.56 | 11,399 |
| 2015-07-06 | OMED | Option Ex | 2,500 | 4.56 | 11,399 |
| 2015-07-06 | OMED | Sale | 2,500 | 21.22 | 53,050 |
| 2015-04-10 | OMED | Option Ex | 1,500 | 4.56 | 6,839 |
| 2015-04-10 | OMED | Sale | 1,500 | 26.51 | 39,765 |
| 2015-03-10 | OMED | Option Ex | 1,500 | 4.56 | 6,839 |
| 2015-03-10 | OMED | Sale | 1,500 | 27.17 | 40,753 |
| 2015-02-10 | OMED | Sale | 1,500 | 24.23 | 36,351 |
| 2015-02-10 | OMED | Option Ex | 1,500 | 4.56 | 6,839 |
| 2015-01-12 | OMED | Option Ex | 1,500 | 4.56 | 6,839 |
| 2015-01-12 | OMED | Sale | 1,500 | 26.12 | 39,184 |
| 2015-01-05 | OMED | Sale | 7,500 | 23.00 | 172,500 |
| 2015-01-05 | OMED | Option Ex | 7,500 | 4.56 | 34,200 |
Table 4. Insider trading of Atara Biotherapeutics, Inc. (ATRA) by Dupont Jakob
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2023-03-02 | ATRA | Sale | 5,074 | 3.63 | 18,403 |
| 2022-11-16 | ATRA | Sale | 4,342 | 4.49 | 19,499 |
| 2022-08-16 | ATRA | Sale | 4,124 | 5.03 | 20,760 |
| 2022-05-17 | ATRA | Sale | 3,873 | 5.32 | 20,596 |
| 2022-03-01 | ATRA | Sale | 2,221 | 9.86 | 21,890 |
| 2022-01-03 | ATRA | Option Ex | 5,000 | 9.58 | 47,900 |
| 2022-01-03 | ATRA | Sale | 5,000 | 16.01 | 80,050 |
| 2021-12-01 | ATRA | Sale | 5,000 | 17.94 | 89,690 |
| 2021-12-01 | ATRA | Option Ex | 5,000 | 9.58 | 47,900 |
| 2021-11-16 | ATRA | Sale | 2,199 | 17.12 | 37,640 |
| 2021-11-02 | ATRA | Sale | 5,000 | 16.41 | 82,050 |
| 2021-11-02 | ATRA | Option Ex | 5,000 | 9.58 | 47,900 |
| 2021-08-17 | ATRA | Sale | 2,152 | 12.53 | 26,968 |
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 Dupont Jakob
(Officer of Pyxis Oncology, Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.