GRTS Insider Trading Activity and SEC Form 4 Filings
GRTS insider trading summary
No open-market insider purchases or sales of Gritstone bio, Inc. (GRTS) have been reported on SEC Form 4 in the past 12 months.
Latest GRTS insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Dec 18, 2024 | Vassiliki Economides | EVP, Chief Financial Officer | Sell | $180 (12,000 @ $0.01) |
| May 16, 2024 | Andrew R Allen | President and CEO | Sell | $18K (24,263 @ $0.75) |
| May 16, 2024 | Vassiliki Economides | EVP, Chief Financial Officer | Sell | $10K (13,749 @ $0.75) |
| May 16, 2024 | Erin Jones | EVP, Chief Operating Officer | Sell | $10K (13,749 @ $0.75) |
| May 16, 2024 | Matthew Hawryluk | EVP, Chief Business Officer | Sell | $7K (9,259 @ $0.75) |
| May 16, 2024 | Karin Jooss | See Remarks | Sell | $10K (13,749 @ $0.75) |
| May 23, 2023 | Vassiliki Economides | See Remarks | Buy | $23K (12,000 @ $1.90) |
| Dec 1, 2021 | Erin Jones | Chief Operating Officer | Sell | $13K (1,000 @ $13.01) |
| Nov 1, 2021 | Erin Jones | See Remarks | Sell | $11K (1,000 @ $11.14) |
| Oct 4, 2021 | Erin Jones | See Remarks | Sell | $11K (1,000 @ $10.71) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.