Northwest Biotherapeutics's three largest insider shareholders as of April 28, 2026 are Marnix L Bosch (Chief Technical Officer, 119.36K shares), Jerry J Jasinowski (Director, 28.23K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Marnix L Bosch | Chief Technical Officer | 119,355 | 0 | 05 Apr, 2023 |
| Jerry J Jasinowski | - | 28,235 | 0 | 05 Dec, 2022 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 29 Aug, 2024 | Alton L Boynton | STOCK OPTIONS | D | 1,000,000 | $0.00 | 967,065 | D | G |
| 09 Aug, 2024 | Marnix L Bosch | STOCK OPTIONS | D | 3,000,000 | $0.00 | 4,549,157 | D | G |
| 08 Aug, 2024 | Alton L Boynton | STOCK OPTIONS | D | 1,000,000 | $0.00 | 1,967,065 | D | G |
| 26 Jul, 2024 | Navid Malik | Stock Option | D | 657,895 | $0.38 | 23,339,393 | D | S |
| 16 Nov, 2023 | Navid Malik | Common Stock | A | 125,000 | $0.84 | 445,000 | D | S |
| 17 Nov, 2023 | Navid Malik | Common Stock | A | 150,000 | $0.82 | 295,000 | D | S |
| 17 Nov, 2023 | Navid Malik | Common Stock | A | 295,000 | $0.82 | 0 | D | S |
| 04 Apr, 2023 | Alton L Boynton | STOCK OPTIONS | D | 6,794,191 | $0.00 | 2,967,065 | D | G |
| 03 Apr, 2023 | Marnix L Bosch | Common Stock | A | 119,355 | $0.25 | 119,355 | D | A |
| 01 Dec, 2022 | Jerry J Jasinowski | Series C Convertible Preferred Stock | A | 28,235 | $21.25 | 28,235 | D | A |
| 19 Jan, 2021 | Alton L Boynton | Employee Stock Option (Right to Buy) | D | 3,402,935 | $0.00 | 0 | D | G |
| 14 Oct, 2020 | Linda F Powers | Options to purchase Common Stock | D | 3,000,000 | $0.00 | 29,558,724 | D | G |
| 02 Jul, 2020 | Linda F Powers | Options to purchase Common Stock, par value $0.001 | A | 2,104,905 | $0.00 | 2,104,905 | D | A |
| 02 Jul, 2020 | Linda F Powers | Warrants to purchase Common Stock | A | 15,249,474 | $0.00 | 15,249,474 | D | A |
| 02 Jul, 2020 | Leslie J. Goldman | Options to purchase Common Stock, par value $0.001 | A | 1,315,566 | $0.00 | 1,315,566 | D | A |
| 02 Jul, 2020 | Alton L Boynton | Options to purchase Common Stock, par value $0.001 | A | 15,697,693 | $0.00 | 15,697,693 | D | A |
| 02 Jul, 2020 | Linda F Powers | Options to purchase Common Stock, par value $0.001 | A | 32,558,724 | $0.00 | 32,558,724 | D | A |
| 02 Jul, 2020 | Leslie J. Goldman | Options to purchase Common Stock, par value $0.001 | A | 21,822,937 | $0.00 | 21,822,937 | D | A |
| 02 Jul, 2020 | Alton L Boynton | Options to purchase Common Stock, par value $0.001 | A | 605,160 | $0.00 | 605,160 | D | A |
| 02 Jul, 2020 | Marnix L Bosch | Options to purchase Common Stock, par value $0.001 | A | 16,630,726 | $0.00 | 16,630,726 | D | A |