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| SEC Filing | Insider | Company | Trade Date | Transaction | Shares | Avg. Price | Total | % Holdings | Return |
|---|---|---|---|---|---|---|---|---|---|
| 05-Feb-24 7:18 PM View:  | Jones Erin EVP, CHIEF OPERATING OFFICER | Gritstone Bio, Inc. (GRTS) | 01-Feb-24 | Grant | 40,000 | -- | -- | 14% 284.62K to 324.62K | |
| 05-Feb-24 7:03 PM View: | Cho James SVP, CHIEF ACCOUNTING OFFICER | Gritstone Bio, Inc. (GRTS) | 01-Feb-24 | Grant | 18,000 | -- | -- | 15% 120.64K to 138.64K | |
| 05-Feb-24 7:22 PM View: | Hawryluk Matthew EVP, CHIEF BUSINESS OFFICER | Gritstone Bio, Inc. (GRTS) | 01-Feb-24 | Grant | 35,000 | -- | -- | 14% 251.88K to 286.88K | |
| 05-Feb-24 6:57 PM View: | Allen Andrew R President and CEO Director | Gritstone Bio, Inc. (GRTS) | 01-Feb-24 | Grant | 105,000 | -- | -- | 5% 2.24M to 2.35M | |
| 05-Feb-24 7:08 PM View: | Jooss Karin See Remarks | Gritstone Bio, Inc. (GRTS) | 01-Feb-24 | Grant | 40,000 | -- | -- | 7% 608.85K to 648.85K | |
| 05-Feb-24 7:14 PM View: | Economides Vassiliki EVP, CHIEF FINANCIAL OFFICER | Gritstone Bio, Inc. (GRTS) | 01-Feb-24 | Grant | 35,000 | -- | -- | 18% 192.76K to 227.76K | |
| 24-May-23 5:24 PM View: | Economides Vassiliki See Remarks | Gritstone Bio, Inc. (GRTS) | 23-May-23 | Private Purchase | 12,000 | $1.90 | $22,828.80 | 6% 202.06K to 214.06K | |
| 06-Feb-23 5:31 PM View: | Jones Erin See Remarks | Gritstone Bio, Inc. (GRTS) | 02-Feb-23 | Grant | 252,845 | -- | -- | 476% 53.07K to 305.91K | |
| 06-Feb-23 5:26 PM View: | Allen Andrew R President and CEO Director | Gritstone Bio, Inc. (GRTS) | 02-Feb-23 | Grant | 738,550 | -- | -- | 47% 1.57M to 2.31M | |
| 06-Feb-23 5:29 PM View: | Hawryluk Matthew See Remarks | Gritstone Bio, Inc. (GRTS) | 02-Feb-23 | Grant | 191,771 | -- | -- | 339% 56.54K to 248.31K | |
| 06-Feb-23 5:32 PM View: | Jooss Karin See Remarks | Gritstone Bio, Inc. (GRTS) | 02-Feb-23 | Grant | 252,763 | -- | -- | 67% 377.38K to 630.15K | |
| 06-Feb-23 5:28 PM View: | Economides Vassiliki See Remarks | Gritstone Bio, Inc. (GRTS) | 02-Feb-23 | Grant | 179,058 | -- | -- | 779% 23.0K to 202.06K | |
| 06-Feb-23 5:27 PM View: | Cho James Chief Accounting Officer | Gritstone Bio, Inc. (GRTS) | 02-Feb-23 | Grant | 64,515 | -- | -- | 138% 46.89K to 111.41K | |
| 20-Apr-22 4:20 PM View: | Allen Andrew R President and CEO Director | Gritstone Bio, Inc. (GRTS) | 31-Jan-22 | Grant | 70,000 | -- | -- | 5% 1.5M to 1.57M | |
| 20-Apr-22 4:32 PM View: | Hawryluk Matthew See Remarks | Gritstone Bio, Inc. (GRTS) | 31-Jan-22 | Grant | 21,612 | -- | -- | 68% 31.74K to 53.35K | |
| 20-Apr-22 4:29 PM View: | Economides Vassiliki EVP & CFO | Gritstone Bio, Inc. (GRTS) | 31-Jan-22 | Grant | 23,000 | -- | -- | 100% 0 to 23.0K | |
| 20-Apr-22 4:40 PM View: | Jooss Karin See Remarks | Gritstone Bio, Inc. (GRTS) | 31-Jan-22 | Grant | 27,600 | -- | -- | 8% 349.78K to 377.38K | |
| 20-Apr-22 4:43 PM View: | Thompson Rahsaan EVP and General Counsel | Gritstone Bio, Inc. (GRTS) | 31-Jan-22 | Grant | 19,240 | -- | -- | 49% 39.46K to 58.7K | |
| 20-Apr-22 4:24 PM View: | Cho James Chief Accounting Officer | Gritstone Bio, Inc. (GRTS) | 31-Jan-22 | Grant | 4,400 | -- | -- | 11% 39.1K to 43.51K | |
| 20-Apr-22 4:38 PM View: | Jones Erin Chief Operating Officer | Gritstone Bio, Inc. (GRTS) | 31-Jan-22 | Grant | 27,169 | -- | -- | 105% 25.9K to 53.07K | |
| 03-Dec-21 4:47 PM View: | Jones Erin Chief Operating Officer | Gritstone Bio, Inc. (GRTS) | 01-Dec-21 | Option Exercise | 1,000 | $0.34 | $345.00 | 2% 45.9K to 46.9K | |
| 03-Dec-21 4:47 PM View: | Jones Erin Chief Operating Officer | Gritstone Bio, Inc. (GRTS) | 01-Dec-21 | Market Option Sale (Planned) | 1,000 | $13.01 | $13,010.00 | (2%) 46.9K to 45.9K | |
| 03-Nov-21 4:42 PM View: | Jones Erin Chief Operating Officer | Gritstone Bio, Inc. (GRTS) | 01-Nov-21 | Market Option Sale (Planned) | 1,000 | $11.14 | $11,140.00 | (5%) 21.0K to 20.0K | |
| 03-Nov-21 4:42 PM View: | Jones Erin Chief Operating Officer | Gritstone Bio, Inc. (GRTS) | 01-Nov-21 | Option Exercise | 1,000 | $0.34 | $345.00 | 5% 20.0K to 21.0K | |
| 05-Oct-21 4:30 PM View: | Jones Erin See Remarks | Gritstone Bio, Inc. (GRTS) | 04-Oct-21 | Option Exercise | 1,000 | $0.34 | $345.00 | 5% 20.0K to 21.0K | |
| 05-Oct-21 4:30 PM View: | Jones Erin See Remarks | Gritstone Bio, Inc. (GRTS) | 04-Oct-21 | Market Option Sale (Planned) | 1,000 | $10.71 | $10,710.00 | (5%) 21.0K to 20.0K | |
| 05-Oct-21 4:30 PM View: | Jones Erin See Remarks | Gritstone Bio, Inc. (GRTS) | 01-Oct-21 | Option Exercise | 1,000 | $0.34 | $345.00 | 5% 20.0K to 21.0K | |
| 05-Oct-21 4:30 PM View: | Jones Erin See Remarks | Gritstone Bio, Inc. (GRTS) | 01-Oct-21 | Market Option Sale (Planned) | 1,000 | $10.68 | $10,680.00 | (5%) 21.0K to 20.0K | |
| 10-Sep-21 4:19 PM View: | Jones Erin See Remarks | Gritstone Bio, Inc. (GRTS) | 08-Sep-21 | Option Exercise | 2,000 | $0.34 | $690.00 | 10% 20.0K to 22.0K | |
| 10-Sep-21 4:19 PM View: | Jones Erin See Remarks | Gritstone Bio, Inc. (GRTS) | 08-Sep-21 | Market Option Sale (Planned) | 2,000 | $11.37 | $22,747.60 | (9%) 22.0K to 20.0K | |
| 03-Jun-21 6:34 PM View: | Rousseau Raphael See Remarks | Gritstone Bio, Inc. (GRTS) | 27-May-21 | Market Option Sale | 2,900 | $9.00 | $26,111.60 | (100%) 2.9K to 0 | |
| 03-Jun-21 6:34 PM View: | Rousseau Raphael See Remarks | Gritstone Bio, Inc. (GRTS) | 27-May-21 | Option Exercise | 2,900 | $0.76 | $2,201.10 | 100% 0 to 2.9K | |
| 16-Apr-21 10:00 PM View: | Yelensky Roman See Remarks | Gritstone Bio, Inc. (GRTS) | 08-Mar-21 | Option Exercise | 50,724 | $0.76 | $38,499.50 | 38% 133.22K to 183.95K | |
| 21-Jan-21 5:11 PM View: | Rousseau Raphael See Remarks | Gritstone Bio, Inc. (GRTS) | 20-Jan-21 | Option Exercise | 10,000 | $0.76 | $7,600.00 | 100% 0 to 10.0K | |
| 21-Jan-21 5:11 PM View: | Rousseau Raphael See Remarks | Gritstone Bio, Inc. (GRTS) | 20-Jan-21 | Market Option Sale (Planned) | 10,000 | $25.07 | $250,705.00 | (100%) 10.0K to 0 | |
| 21-Jan-21 5:06 PM View: | Yelensky Roman See Remarks | Gritstone Bio, Inc. (GRTS) | 19-Jan-21 | Market Sale | 10,000 | $22.10 | $221,029.00 | (7%) 143.22K to 133.22K | (15%) |
| 21-Jan-21 5:11 PM View: | Rousseau Raphael See Remarks | Gritstone Bio, Inc. (GRTS) | 19-Jan-21 | Market Option Sale (Planned) | 20,000 | $17.53 | $350,564.00 | (100%) 20.0K to 0 | |
| 21-Jan-21 5:11 PM View: | Rousseau Raphael See Remarks | Gritstone Bio, Inc. (GRTS) | 19-Jan-21 | Option Exercise | 20,000 | $0.76 | $15,200.00 | 100% 0 to 20.0K | |
| 19-Nov-21 5:42 PM View: | Rousseau Raphael See Remarks | Gritstone Bio, Inc. (GRTS) | 07-Jan-21 | Grant | 29,700 | -- | -- | 100% 0 to 29.7K | |
| 19-Nov-21 5:40 PM View: | Yelensky Roman See Remarks | Gritstone Bio, Inc. (GRTS) | 07-Jan-21 | Grant | 27,400 | -- | -- | 19% 143.22K to 170.62K | |
| 19-Nov-21 5:57 PM View: | Yabannavar Vijay See Remarks | Gritstone Bio, Inc. (GRTS) | 07-Jan-21 | Grant | 28,000 | -- | -- | 758% 3.7K to 31.7K | |
| 19-Nov-21 4:28 PM View: | Allen Andrew R President and CEO Director | Gritstone Bio, Inc. (GRTS) | 07-Jan-21 | Grant | 48,200 | -- | -- | 3% 1.45M to 1.5M | |
| 19-Nov-21 4:45 PM View: | Hawryluk Matthew See Remarks | Gritstone Bio, Inc. (GRTS) | 07-Jan-21 | Grant | 19,600 | -- | -- | 426% 4.6K to 24.2K | |
| 19-Nov-21 6:32 PM View: | Jones Erin See Remarks | Gritstone Bio, Inc. (GRTS) | 07-Jan-21 | Grant | 25,900 | -- | -- | 129% 20.0K to 45.9K | |
| 19-Nov-21 5:37 PM View: | Thompson Rahsaan EVP and General Counsel | Gritstone Bio, Inc. (GRTS) | 07-Jan-21 | Grant | 25,500 | -- | -- | 640% 3.99K to 29.49K | |
| 19-Nov-21 5:20 PM View: | Jooss Karin See Remarks | Gritstone Bio, Inc. (GRTS) | 07-Jan-21 | Grant | 27,900 | -- | -- | 9% 321.88K to 349.78K | |
| 04-Jan-21 6:02 PM View: | Woiwode Thomas Director | Gritstone Bio, Inc. (GRTS) | 30-Dec-20 | Market Purchase | 1,347,710 | $3.71 | $5,000,000.00 | 43% 3.1M to 4.45M | 6% |
| 19-Aug-20 7:05 PM View: | Jones Erin See Remarks | Gritstone Bio, Inc. (GRTS) | 17-Aug-20 | Option Exercise | 10,000 | $0.34 | $3,450.00 | 100% 10.0K to 20.0K | |
| 23-Aug-19 4:08 PM View: | Rousseau Raphael See Remarks | Gritstone Bio, Inc. (GRTS) | 21-Aug-19 | Market Option Sale | 10,000 | $10.76 | $107,631.00 | (100%) 10.0K to 0 | 61% |
| 23-Aug-19 4:08 PM View: | Rousseau Raphael See Remarks | Gritstone Bio, Inc. (GRTS) | 21-Aug-19 | Option Exercise | 10,000 | $0.76 | $7,600.00 | 100% 0 to 10.0K |
