List of insiders holdings for Gritstone bio Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Redmile Group LLC Green Jeremy 10% Owner | 2025-02-14 20:00:57 | 13,163,457 0 | 13,163,457 | Form 13G |
| 2 | Woiwode Thomas Director | 2021-08-27 17:49:26 | 256 3,574,233 | 3,574,489 | Form 4 |
| 3 | Versant Venture Capital V L.P. Versant Venture Capital V (Canada) LP Versant Ophthalmic Affiliates I L.P. Versant Affiliates Fund V L.P. 10% Owner | 2023-02-09 16:30:57 | 2,895,695 0 | 2,895,695 | Form 13G |
| 4 | Clarus Lifesciences III L.P. Clarus Ventures III GP L.P. Clarus Ventures III LLC 10% Owner | 2019-01-10 18:13:33 | 2,567,445 0 | 2,567,445 | Form 13D |
| 5 | Allen Andrew R PRESIDENT AND CEO | 2024-06-26 21:25:58 | 985,360 1,449,275 | 2,434,635 | Form 4 |
| 6 | Jooss Karin SEE REMARKS | 2024-05-17 21:57:14 | 918,526 0 | 918,526 | Form 4 |
| 7 | Jones Erin EVP, CHIEF OPERATING OFFICER | 2024-05-17 21:57:57 | 594,293 0 | 594,293 | Form 4 |
| 8 | Hawryluk Matthew EVP, CHIEF BUSINESS OFFICER | 2024-05-17 21:56:19 | 493,931 0 | 493,931 | Form 4 |
| 9 | Economides Vassiliki EVP, CHIEF FINANCIAL OFFICER | 2025-04-08 21:00:34 | 250,437 0 | 250,437 | Form 4 |
| 10 | Yelensky Roman See Remarks | 2021-11-19 18:20:29 | 234,672 0 | 234,672 | Form 4/A |
| 11 | Thompson Rahsaan EVP and General Counsel | 2022-04-20 16:43:17 | 174,138 0 | 174,138 | Form 4 |
| 12 | Cho James SVP, CHIEF ACCOUNTING OFFICER | 2025-04-08 20:59:51 | 155,123 0 | 155,123 | Form 4 |
| 13 | Bellemin Jean-Marc See Remarks | 2020-02-27 17:26:02 | 110,000 0 | 110,000 | Form 4 |
| 14 | Aphale Jayant See Remarks | 2018-09-27 17:29:07 | 92,027 0 | 92,027 | Form 3 |
| 15 | Krognes Steve E. Director | 2023-06-21 16:48:50 | 51,800 0 | 51,800 | Form 4 |
| 16 | Yabannavar Vijay See Remarks | 2021-11-19 17:57:01 | 31,696 0 | 31,696 | Form 4 |
| 17 | Rousseau Raphael See Remarks | 2021-11-19 17:42:56 | 29,700 0 | 29,700 | Form 4 |
| 18 | Webster Stephen W Director | 2025-04-08 20:54:21 | 25,000 0 | 25,000 | Form 4 |
| 19 | Heyman Richard A. Director | 2022-06-22 17:32:03 | 19,000 0 | 19,000 | Form 4 |
| 20 | Li Judith Director | 2021-11-19 17:27:52 | 19,000 0 | 19,000 | Form 4 |
| 21 | Simon Nicholas Director 10% Owner | 2020-06-22 17:39:20 | 12,500 0 | 12,500 | Form 4 |
| 22 | Svennilson Peter Director 10% Owner | 2019-06-20 16:16:14 | 8,570 0 | 8,570 | Form 4 |
| 23 | Agarwal Shefali Director | 2025-04-08 20:56:52 | 0 0 | 0 | Form 4 |
| 24 | Corey Lawrence Director | 2025-04-08 20:57:37 | 0 0 | 0 | Form 4 |
| 25 | Jones Elaine V Director | 2025-04-08 20:58:24 | 0 0 | 0 | Form 4 |
| 26 | Fisher Clare Director | 2025-04-08 20:59:11 | 0 0 | 0 | Form 4 |
| 27 | COLUMN GROUP II LP Column Group II GP LP Svennilson Peter GOEDDEL DAVID V 10% Owner | 2021-02-12 18:12:52 | 0 0 | 0 | Form 13G |
| 28 | Rizvi Naiyer Director | 2025-04-08 21:02:31 | 0 0 | 0 | Form 4 |