Insider Trading for GMTX
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: Sep 14, 2023 to Jan 10, 2024
ORBIMED ADVISORS LLC
DirectorDirector
-569.1K shares
14 transactions
Ashiya Mona
DirectorDirector
-569.1K shares
14 transactions
Atlas Venture Fund X, L.P.
Other10 Percent Owner
-334.6K shares
25 transactions
Bitterman Kevin
DirectorDirector
-96.1K shares
12 transactions
White William Richard
DirectorDirector
-33.5K shares
10 transactions
Transaction Details
| Date | Insider | Role | Transaction | Shares | Price | Value | Owned After | SEC Filing |
|---|---|---|---|---|---|---|---|---|
| Jan 10, 2024 | Bitterman Kevin | DDirector | Sale | 20.0K | $64.00 | $1,280,000.00 | 786.2K | View |
| Jan 10, 2024 | Atlas Venture Fund X, L.P. | 10 Percent Owner | Sale | 30.0K | $64.00 | $1,920,000.00 | 1.4M | View |
| Jan 10, 2024 | Atlas Venture Fund X, L.P. | 10 Percent Owner | Sale | 20.0K | $64.00 | $1,280,000.00 | 786.2K | View |
Dec 29, 2023 | Locked | — | — | — | — | — | — | — |
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Dec 27, 2023 | Locked | — | — | — | — | — | — | — |
Dec 27, 2023 | Locked | — | — | — | — | — | — | — |
Dec 18, 2023 | Locked | — | — | — | — | — | — | — |
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Dec 18, 2023 | Locked | — | — | — | — | — | — | — |
Dec 18, 2023 | Locked | — | — | — | — | — | — | — |
Dec 14, 2023 | Locked | — | — | — | — | — | — | — |
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Dec 13, 2023 | Locked | — | — | — | — | — | — | — |
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Dec 12, 2023 | Locked | — | — | — | — | — | — | — |
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Dec 12, 2023 | Locked | — | — | — | — | — | — | — |
Dec 5, 2023 | Locked | — | — | — | — | — | — | — |
Dec 5, 2023 | Locked | — | — | — | — | — | — | — |
Dec 5, 2023 | Locked | — | — | — | — | — | — | — |
Dec 5, 2023 | Locked | — | — | — | — | — | — | — |
Dec 5, 2023 | Locked | — | — | — | — | — | — | — |
Dec 5, 2023 | Locked | — | — | — | — | — | — | — |
Dec 5, 2023 | Locked | — | — | — | — | — | — | — |
Nov 22, 2023 | Locked | — | — | — | — | — | — | — |
Nov 22, 2023 | Locked | — | — | — | — | — | — | — |
Nov 22, 2023 | Locked | — | — | — | — | — | — | — |
Nov 22, 2023 | Locked | — | — | — | — | — | — | — |
Nov 15, 2023 | Locked | — | — | — | — | — | — | — |
Nov 14, 2023 | Locked | — | — | — | — | — | — | — |
Nov 14, 2023 | Locked | — | — | — | — | — | — | — |
Nov 14, 2023 | Locked | — | — | — | — | — | — | — |
Nov 3, 2023 | Locked | — | — | — | — | — | — | — |
Nov 3, 2023 | Locked | — | — | — | — | — | — | — |
Nov 3, 2023 | Locked | — | — | — | — | — | — | — |
Sep 14, 2023 | Locked | — | — | — | — | — | — | — |
Click "View" in the SEC Filing column to access the detailed SEC form submission for each transaction.
Executive Activity:
Executives have been net sellers of GMTX stock, though this may be part of planned diversification.