Gritstone bio, Inc. (GRTS)
Data as of , from SEC Form 4 filings.
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About Gritstone bio, Inc. (GRTS)
Gritstone bio, Inc. files with the SEC under CIK 0001656634 and is classified as biological products (no diagnostic substances). We track it alongside the rest of the Health Care sector.
GRTS Form 4 activity by transaction type, last 90 days
No Form 4 activity for GRTS in the last 90 days.
GRTS insider transactions (Form 4)
72 Form 4 filings on record, the earliest from Dec 20, 2024, newest first.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Elaine V. Jones | Other | Stock Option (Right to Buy) | 51,800 | $0.00 | - | |
| Elaine V. Jones | Other | Stock Option (Right to Buy) | 51,800 | $0.00 | - | |
| Elaine V. Jones | Other | Stcok Option (right to buy) | 19,000 | $0.00 | - | |
| Elaine V. Jones | Other | Stock Option (Right to Buy) | 19,000 | $0.00 | - | |
| Elaine V. Jones | Other | Stock Option (Right to Buy) | 12,500 | $0.00 | - | |
| Elaine V. Jones | Other | Stock Option (Right to Buy) | 15,942 | $0.00 | - | |
| Vassiliki Economides - Officer | Open-market sale | Common Stock | 12,000 | $0.02 | $180 |
GRTS insider trading FAQ
What is the latest insider trade for GRTS?
Gritstone bio, Inc. (GRTS) has filed no insider reports in the last 90 days. The most recent on record is dated 2025-04-04. The full record for GRTS runs to 2 Form 4 filings, the earliest from 2024-12-20. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying GRTS stock?
No insider purchases of GRTS were filed in the last 90 days.
How many insiders are selling GRTS stock?
No insider sales of GRTS were filed in the last 90 days. 1 sale is on record for this company.
Where can I see GRTS SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects GRTS Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Health Care companies with insider activity
Recent insider filings
2The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Elaine V. Jones view on EDGAR
- - Vassiliki Economides view on EDGAR
Related companies with recent insider activity
Learn more
- What the Form 4 transaction codes mean
- Grants, option exercises, gifts and tax withholding are not trades on the market. The codes say which is which.
- Insider activity in Health Care
- Where GRTS's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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- The daily trading plan of ranked insider buys, on a delay, with the plan archive
