Insider Trading for GRTX
View recent insider trading activity including purchases, sales, and awards. Insider trading can provide insights into how executives view their company's prospects.
Insider Trading Summary
Shares Acquired
Sign in to see amounts
Shares Disposed
Sign in to see amounts
Net Position
Sign in to see net activity
Unlock for free
Already registered? Sign in
Recent Activity (30 Days)
No insider transactions in the past 30 days.
Quarterly Activity (3 Months)
Acquisitions: 20.8M shares
Dispositions: 20.8K shares
Net: 20.8M shares
Insiders have been net buyers over the quarter, suggesting potential confidence in medium-term business fundamentals.
Key Insider Activity: Apr 17, 2014 to May 15, 2026
Bachleda Mark
ExecutiveCorporate Officer
+421.0K shares
5 transactions
Sorensen Mel
ExecutiveChief Executive Officer
+6.7M shares
6 transactions
Stacey Jennifer Evans
ExecutiveOfficer: See Remarks
+340.0K shares
3 transactions
Schneid Yair
Other10 Percent Owner
+3.7M shares
29 transactions
Degnan Chris
ExecutiveCorporate Officer
+330.0K shares
3 transactions
Transaction Details
| Date | Insider | Role | Transaction | Shares | Price | Value | Owned After | SEC Filing |
|---|---|---|---|---|---|---|---|---|
| May 15, 2026 | Emerald Bioventures, LLC | 10 Percent Owner | C-Conversion | 20.8M | $0.00 | $0.00 | 61.0M | View |
| May 15, 2026 | Emerald Bioventures, LLC | 10 Percent Owner | C-Conversion | 20.8K | $0.00 | $0.00 | 0 | View |
| Apr 7, 2026 | Emerald Bioventures, LLC | 10 Percent Owner | Unknown | 0 | $0.00 | $0.00 | 40.2M | View |
Apr 7, 2026 | Locked | — | — | — | — | — | — | — |
Apr 7, 2026 | Locked | — | — | — | — | — | — | — |
Apr 7, 2026 | Locked | — | — | — | — | — | — | — |
Apr 7, 2026 | Locked | — | — | — | — | — | — | — |
Apr 7, 2026 | Locked | — | — | — | — | — | — | — |
Nov 20, 2025 | Locked | — | — | — | — | — | — | — |
May 1, 2025 | Locked | — | — | — | — | — | — | — |
May 1, 2025 | Locked | — | — | — | — | — | — | — |
Feb 24, 2025 | Locked | — | — | — | — | — | — | — |
Feb 24, 2025 | Locked | — | — | — | — | — | — | — |
Feb 24, 2025 | Locked | — | — | — | — | — | — | — |
Feb 24, 2025 | Locked | — | — | — | — | — | — | — |
Dec 30, 2024 | Locked | — | — | — | — | — | — | — |
Dec 30, 2024 | Locked | — | — | — | — | — | — | — |
Dec 30, 2024 | Locked | — | — | — | — | — | — | — |
Dec 30, 2024 | Locked | — | — | — | — | — | — | — |
Dec 30, 2024 | Locked | — | — | — | — | — | — | — |
Aug 16, 2024 | Locked | — | — | — | — | — | — | — |
Apr 19, 2024 | Locked | — | — | — | — | — | — | — |
Apr 19, 2024 | Locked | — | — | — | — | — | — | — |
Apr 19, 2024 | Locked | — | — | — | — | — | — | — |
Apr 19, 2024 | Locked | — | — | — | — | — | — | — |
Apr 18, 2024 | Locked | — | — | — | — | — | — | — |
Apr 18, 2024 | Locked | — | — | — | — | — | — | — |
Apr 18, 2024 | Locked | — | — | — | — | — | — | — |
Apr 18, 2024 | Locked | — | — | — | — | — | — | — |
Apr 18, 2024 | Locked | — | — | — | — | — | — | — |
Apr 18, 2024 | Locked | — | — | — | — | — | — | — |
Apr 18, 2024 | Locked | — | — | — | — | — | — | — |
Apr 17, 2024 | Locked | — | — | — | — | — | — | — |
Apr 17, 2024 | Locked | — | — | — | — | — | — | — |
Apr 17, 2024 | Locked | — | — | — | — | — | — | — |
Apr 17, 2024 | Locked | — | — | — | — | — | — | — |
Apr 17, 2024 | Locked | — | — | — | — | — | — | — |
Apr 17, 2024 | Locked | — | — | — | — | — | — | — |
Apr 17, 2024 | Locked | — | — | — | — | — | — | — |
Apr 17, 2024 | Locked | — | — | — | — | — | — | — |
Apr 17, 2024 | Locked | — | — | — | — | — | — | — |
Apr 16, 2024 | Locked | — | — | — | — | — | — | — |
Apr 16, 2024 | Locked | — | — | — | — | — | — | — |
Feb 8, 2024 | Locked | — | — | — | — | — | — | — |
Feb 7, 2024 | Locked | — | — | — | — | — | — | — |
Feb 7, 2024 | Locked | — | — | — | — | — | — | — |
Feb 6, 2024 | Locked | — | — | — | — | — | — | — |
Feb 5, 2024 | Locked | — | — | — | — | — | — | — |
Jan 30, 2024 | Locked | — | — | — | — | — | — | — |
Jan 29, 2024 | Locked | — | — | — | — | — | — | — |
Jan 5, 2024 | Locked | — | — | — | — | — | — | — |
Dec 31, 2023 | Locked | — | — | — | — | — | — | — |
Oct 31, 2023 | Locked | — | — | — | — | — | — | — |
Jul 1, 2023 | Locked | — | — | — | — | — | — | — |
Jul 1, 2023 | Locked | — | — | — | — | — | — | — |
Jun 14, 2023 | Locked | — | — | — | — | — | — | — |
Jun 14, 2023 | Locked | — | — | — | — | — | — | — |
Jun 14, 2023 | Locked | — | — | — | — | — | — | — |
Jun 14, 2023 | Locked | — | — | — | — | — | — | — |
Jun 14, 2023 | Locked | — | — | — | — | — | — | — |
Mar 16, 2023 | Locked | — | — | — | — | — | — | — |
Mar 13, 2023 | Locked | — | — | — | — | — | — | — |
Mar 10, 2023 | Locked | — | — | — | — | — | — | — |
Feb 25, 2023 | Locked | — | — | — | — | — | — | — |
Feb 25, 2023 | Locked | — | — | — | — | — | — | — |
Feb 25, 2023 | Locked | — | — | — | — | — | — | — |
Feb 25, 2023 | Locked | — | — | — | — | — | — | — |
Feb 25, 2023 | Locked | — | — | — | — | — | — | — |
Feb 25, 2023 | Locked | — | — | — | — | — | — | — |
Nov 21, 2022 | Locked | — | — | — | — | — | — | — |
Nov 21, 2022 | Locked | — | — | — | — | — | — | — |
Sep 1, 2022 | Locked | — | — | — | — | — | — | — |
Sep 1, 2022 | Locked | — | — | — | — | — | — | — |
Sep 1, 2022 | Locked | — | — | — | — | — | — | — |
Jul 18, 2022 | Locked | — | — | — | — | — | — | — |
Jul 1, 2022 | Locked | — | — | — | — | — | — | — |
Jul 1, 2022 | Locked | — | — | — | — | — | — | — |
Jun 15, 2022 | Locked | — | — | — | — | — | — | — |
Jun 15, 2022 | Locked | — | — | — | — | — | — | — |
Jun 15, 2022 | Locked | — | — | — | — | — | — | — |
Jun 15, 2022 | Locked | — | — | — | — | — | — | — |
Jun 15, 2022 | Locked | — | — | — | — | — | — | — |
Jun 15, 2022 | Locked | — | — | — | — | — | — | — |
Jun 15, 2022 | Locked | — | — | — | — | — | — | — |
Jun 15, 2022 | Locked | — | — | — | — | — | — | — |
Jun 15, 2022 | Locked | — | — | — | — | — | — | — |
Jun 15, 2022 | Locked | — | — | — | — | — | — | — |
Feb 28, 2022 | Locked | — | — | — | — | — | — | — |
Feb 28, 2022 | Locked | — | — | — | — | — | — | — |
Feb 28, 2022 | Locked | — | — | — | — | — | — | — |
Feb 28, 2022 | Locked | — | — | — | — | — | — | — |
Feb 28, 2022 | Locked | — | — | — | — | — | — | — |
Feb 28, 2022 | Locked | — | — | — | — | — | — | — |
Dec 17, 2021 | Locked | — | — | — | — | — | — | — |
Dec 17, 2021 | Locked | — | — | — | — | — | — | — |
Dec 17, 2021 | Locked | — | — | — | — | — | — | — |
Oct 8, 2021 | Locked | — | — | — | — | — | — | — |
Oct 8, 2021 | Locked | — | — | — | — | — | — | — |
Oct 8, 2021 | Locked | — | — | — | — | — | — | — |
Apr 17, 2014 | Locked | — | — | — | — | — | — | — |
Click "View" in the SEC Filing column to access the detailed SEC form submission for each transaction.
Executive Activity:
Executives have been net buyers of GRTX stock, which is typically a strong positive signal.