Insider Trading for GRPH
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
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Shares Disposed
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Net Position
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Recent Activity (30 Days)
No insider transactions in the past 30 days.
Quarterly Activity (3 Months)
No insider transactions in the past 3 months.
Key Insider Activity: Jan 13, 2021 to Jul 28, 2023
Lehrer-Graiwer Joshua
ExecutiveChief Executive Officer
+4.3M shares
18 transactions
Samsara BioCapital, L.P.
Other10 Percent Owner
+641.0K shares
12 transactions
Jerel Davis
DirectorDirector
-19.6M shares
7 transactions
Versant Venture Capital VI, L.P.
Other10 Percent Owner
-19.7M shares
5 transactions
Gutry Phil
ExecutiveOfficer: Chief Business Officer
+451.5K shares
12 transactions
Transaction Details
| Date | Insider | Role | Transaction | Shares | Price | Value | Owned After | SEC Filing |
|---|---|---|---|---|---|---|---|---|
| Jul 28, 2023 | Drapkin Kimberlee C | DDirector | Award/Grant | 40.0K | $2.52 | $100,800.00 | 40.0K | View |
| Jul 28, 2023 | Drapkin Kimberlee C | DDirector: | Unknown | 0 | $0.00 | $0.00 | 0 | View |
| Jul 19, 2023 | Viney Joanne L. | DDirector | Award/Grant | 20.0K | $2.72 | $54,400.00 | 20.0K | View |
Jul 19, 2023 | Locked | — | — | — | — | — | — | — |
Jul 19, 2023 | Locked | — | — | — | — | — | — | — |
Jul 19, 2023 | Locked | — | — | — | — | — | — | — |
Jul 19, 2023 | Locked | — | — | — | — | — | — | — |
Jul 19, 2023 | Locked | — | — | — | — | — | — | — |
Jul 19, 2023 | Locked | — | — | — | — | — | — | — |
Jul 19, 2023 | Locked | — | — | — | — | — | — | — |
Jul 19, 2023 | Locked | — | — | — | — | — | — | — |
Feb 21, 2023 | Locked | — | — | — | — | — | — | — |
Feb 21, 2023 | Locked | — | — | — | — | — | — | — |
Jan 6, 2023 | Locked | — | — | — | — | — | — | — |
Jun 21, 2022 | Locked | — | — | — | — | — | — | — |
Jun 21, 2022 | Locked | — | — | — | — | — | — | — |
Jun 21, 2022 | Locked | — | — | — | — | — | — | — |
Jun 21, 2022 | Locked | — | — | — | — | — | — | — |
Jun 21, 2022 | Locked | — | — | — | — | — | — | — |
Jun 21, 2022 | Locked | — | — | — | — | — | — | — |
Jun 21, 2022 | Locked | — | — | — | — | — | — | — |
Jun 21, 2022 | Locked | — | — | — | — | — | — | — |
Jun 21, 2022 | Locked | — | — | — | — | — | — | — |
Jun 21, 2022 | Locked | — | — | — | — | — | — | — |
Jun 21, 2022 | Locked | — | — | — | — | — | — | — |
Jun 21, 2022 | Locked | — | — | — | — | — | — | — |
Apr 11, 2022 | Locked | — | — | — | — | — | — | — |
Apr 11, 2022 | Locked | — | — | — | — | — | — | — |
Apr 1, 2022 | Locked | — | — | — | — | — | — | — |
Apr 1, 2022 | Locked | — | — | — | — | — | — | — |
Feb 16, 2022 | Locked | — | — | — | — | — | — | — |
Feb 16, 2022 | Locked | — | — | — | — | — | — | — |
Jan 24, 2022 | Locked | — | — | — | — | — | — | — |
Jan 21, 2022 | Locked | — | — | — | — | — | — | — |
Jan 20, 2022 | Locked | — | — | — | — | — | — | — |
Jan 19, 2022 | Locked | — | — | — | — | — | — | — |
Dec 15, 2021 | Locked | — | — | — | — | — | — | — |
Nov 22, 2021 | Locked | — | — | — | — | — | — | — |
Oct 15, 2021 | Locked | — | — | — | — | — | — | — |
Oct 14, 2021 | Locked | — | — | — | — | — | — | — |
Oct 13, 2021 | Locked | — | — | — | — | — | — | — |
Oct 8, 2021 | Locked | — | — | — | — | — | — | — |
Oct 7, 2021 | Locked | — | — | — | — | — | — | — |
Oct 6, 2021 | Locked | — | — | — | — | — | — | — |
Jun 29, 2021 | Locked | — | — | — | — | — | — | — |
Jun 29, 2021 | Locked | — | — | — | — | — | — | — |
Jun 29, 2021 | Locked | — | — | — | — | — | — | — |
Jun 29, 2021 | Locked | — | — | — | — | — | — | — |
Jun 29, 2021 | Locked | — | — | — | — | — | — | — |
Jun 29, 2021 | Locked | — | — | — | — | — | — | — |
Jun 29, 2021 | Locked | — | — | — | — | — | — | — |
Jun 29, 2021 | Locked | — | — | — | — | — | — | — |
Jun 29, 2021 | Locked | — | — | — | — | — | — | — |
Jun 29, 2021 | Locked | — | — | — | — | — | — | — |
Jun 29, 2021 | Locked | — | — | — | — | — | — | — |
Jun 29, 2021 | Locked | — | — | — | — | — | — | — |
Jun 29, 2021 | Locked | — | — | — | — | — | — | — |
Jun 29, 2021 | Locked | — | — | — | — | — | — | — |
Jun 29, 2021 | Locked | — | — | — | — | — | — | — |
Jun 29, 2021 | Locked | — | — | — | — | — | — | — |
Jun 29, 2021 | Locked | — | — | — | — | — | — | — |
Jun 29, 2021 | Locked | — | — | — | — | — | — | — |
Jun 29, 2021 | Locked | — | — | — | — | — | — | — |
Jun 29, 2021 | Locked | — | — | — | — | — | — | — |
Jun 29, 2021 | Locked | — | — | — | — | — | — | — |
Jun 29, 2021 | Locked | — | — | — | — | — | — | — |
Jun 29, 2021 | Locked | — | — | — | — | — | — | — |
Apr 18, 2021 | Locked | — | — | — | — | — | — | — |
Apr 18, 2021 | Locked | — | — | — | — | — | — | — |
Apr 15, 2021 | Locked | — | — | — | — | — | — | — |
Mar 17, 2021 | Locked | — | — | — | — | — | — | — |
Mar 17, 2021 | Locked | — | — | — | — | — | — | — |
Mar 17, 2021 | Locked | — | — | — | — | — | — | — |
Mar 17, 2021 | Locked | — | — | — | — | — | — | — |
Mar 17, 2021 | Locked | — | — | — | — | — | — | — |
Mar 17, 2021 | Locked | — | — | — | — | — | — | — |
Mar 17, 2021 | Locked | — | — | — | — | — | — | — |
Mar 17, 2021 | Locked | — | — | — | — | — | — | — |
Mar 17, 2021 | Locked | — | — | — | — | — | — | — |
Mar 17, 2021 | Locked | — | — | — | — | — | — | — |
Mar 11, 2021 | Locked | — | — | — | — | — | — | — |
Mar 11, 2021 | Locked | — | — | — | — | — | — | — |
Mar 11, 2021 | Locked | — | — | — | — | — | — | — |
Mar 11, 2021 | Locked | — | — | — | — | — | — | — |
Mar 11, 2021 | Locked | — | — | — | — | — | — | — |
Mar 11, 2021 | Locked | — | — | — | — | — | — | — |
Jan 16, 2021 | Locked | — | — | — | — | — | — | — |
Jan 16, 2021 | Locked | — | — | — | — | — | — | — |
Jan 16, 2021 | Locked | — | — | — | — | — | — | — |
Jan 16, 2021 | Locked | — | — | — | — | — | — | — |
Jan 15, 2021 | Locked | — | — | — | — | — | — | — |
Jan 15, 2021 | Locked | — | — | — | — | — | — | — |
Jan 14, 2021 | Locked | — | — | — | — | — | — | — |
Jan 14, 2021 | Locked | — | — | — | — | — | — | — |
Jan 13, 2021 | Locked | — | — | — | — | — | — | — |
Jan 13, 2021 | Locked | — | — | — | — | — | — | — |
Jan 13, 2021 | Locked | — | — | — | — | — | — | — |
Jan 13, 2021 | Locked | — | — | — | — | — | — | — |
Jan 13, 2021 | Locked | — | — | — | — | — | — | — |
Jan 13, 2021 | 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 GRPH stock, which is typically a strong positive signal.