Insider Transactions and Holdings
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Entity Type
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Individual
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Role
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Chief Financial Officer
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Stock Symbol
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MASS on Nasdaq
Joseph H. Griffith IV - trading volume in the past year for 908 Devices Inc.
Holdings reported by Joseph H. Griffith IV for 908 Devices Inc.
| Security |
Num Shares |
Value |
Price $ |
Transaction Date |
Ownership |
Underlying Class |
Underlying Amount |
| Common Stock |
92.9K |
$841K |
$9.05 |
Oct 3, 2025 |
Direct |
|
|
| Stock Option (option to buy) |
59.4K |
$104K |
$1.75 |
Mar 3, 2025 |
Direct |
Common Stock, par value $0.001 |
|
| Restricted Stock Units |
130K |
|
|
Mar 3, 2025 |
Direct |
Common Stock, par value $0.001 |
|
Transactions reported by Joseph H. Griffith IV for 908 Devices Inc.
| Sym |
Class |
Transaction |
% |
Value $ |
* Price $ |
Shares |
Shares After |
Date |
Ownership |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.