Gritstone Oncology, Inc. (GRTS) is a publicly traded company in the Unknown sector. Across all available filings, 17 corporate insiders have executed 91 transactions totaling $16.4M, demonstrating a bullish sentiment with $13.7M in net insider flow. The most recent transaction on Jun 24, 2024 involved a transaction of 325,000 shares valued at $0.
No significant insider buying has been recorded for GRTS in the recent period.
No significant insider selling has been recorded for GRTS in the recent period.
Based on recent SEC filings, insider sentiment for GRTS is bullish with an Insider Alignment Score of 92/100 and a net flow of $13.7M. Insiders are accumulating shares, which historically signals confidence in the company's future performance.
Insider trading at Gritstone Oncology, Inc. (GRTS) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 17 insiders are actively trading GRTS stock, having executed 91 transactions in the past 90 days. The most active insider is Thomas Woiwode (Executive), who has made 8 transactions totaling $5.0M.
Get notified when executives and directors at GRTS file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Jun 24, 2024 | R. Allen Andrew | Executive | Gift | 325,000 | $N/A | $0 | |
| Jun 24, 2024 | R. Allen Andrew | Executive | Gift | 325,000 | $N/A | $0 | |
| May 16, 2024 | Economides Vassiliki | Executive | Sale | 13,749 | $0.75 | $10.3K | |
| May 16, 2024 | Hawryluk Matthew | Executive | Sale | 9,259 | $0.75 | $6.9K | |
| May 16, 2024 | Jooss Karin | Executive | Sale | 13,749 | $0.75 | $10.3K | |
| May 16, 2024 | Jones Erin | Executive | Sale | 13,749 | $0.75 | $10.3K | |
| May 16, 2024 | R. Allen Andrew | Executive | Sale | 24,263 | $0.75 | $18.2K | |
| May 15, 2024 | Economides Vassiliki | Executive | Award | 27,128 | $N/A | $0 | |
| May 15, 2024 | Hawryluk Matthew | Executive | Award | 19,149 | $N/A | $0 | |
| May 15, 2024 | Jooss Karin | Executive | Award | 27,128 | $N/A | $0 | |
| May 15, 2024 | Jones Erin | Executive | Award | 27,128 | $N/A | $0 | |
| May 15, 2024 | R. Allen Andrew | Executive | Award | 47,873 | $N/A | $0 | |
| May 3, 2024 | Cho James | Executive | Award | 10,800 | $N/A | $0 | |
| Feb 1, 2024 | R. Allen Andrew | Executive | Award | 105,000 | $N/A | $0 | |
| Feb 1, 2024 | Cho James | Executive | Award | 18,000 | $N/A | $0 |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Purchase(P) | 4 | $15.0M | 91.0% |
Sale(S) | 20 | $1.4M | 8.2% |
Exercise(M) | 17 | $120.6K | 0.7% |
Gift(G) | 2 | $0 | 0.0% |
Award(A) | 33 | $0 | 0.0% |
Other(J) | 6 | $0 | 0.0% |
Conversion(C) | 9 | $0 | 0.0% |
Insiders at Gritstone Oncology, Inc. are accumulating shares at an accelerated pace. With 17 insiders making 91 transactions totaling $15.0M in purchases versus $1.4M in sales, the net buying activity of $13.7M signals strong executive confidence. Thomas Woiwode (Executive) leads the buying activity with $5.0M in transactions across all time.