Griffith Joseph H. IV - Insider Non-Derivative Transactions at 908 Devices Inc. (MASS) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Oct 3, 2025, Griffith Joseph H. IV's relationship to 908 Devices Inc. (MASS) is Officer (Chief Financial Officer), and currently has 92,930 shares of Common Stock, and 93,437 shares of Common Stock, par value $0.001.
The charts below show the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other MASS insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
Griffith Joseph H. IV - Insider Non-Derivative Transactions of MASS Common Stock
Griffith Joseph H. IV - Insider Non-Derivative Transactions of MASS Common Stock, par value $0.001
Griffith Joseph H. IV - Insider Non-Derivative Transactions at MASS
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Oct 4, 2025 | Sell -- (Common Stock) | 4292 | 9.05 | 92930 |
| Oct 3, 2025 | Sell -- (Common Stock) | 708 | 9.04 | 97222 |
| Sep 20, 2025 | Sell -- (Common Stock) | 5000 | 7.07 | 97930 |
| Jun 5, 2025 | Sell -- (Common Stock) | 6940 | 7.08 | 102930 |
| Feb 4, 2025 | Sell -- (Common Stock) | 4321 | 2.35 | 109870 |
| Feb 4, 2025 | Sell -- (Common Stock) | 3955 | 2.34 | 114191 |
| Feb 4, 2025 | Sell -- (Common Stock) | 1960 | 2.34 | 118146 |
| Feb 2, 2025 | M -- (Common Stock) | 5102 | 0 | 98539 |
| Feb 2, 2025 | M -- (Common Stock) | 10306 | 0 | 108845 |
| Feb 2, 2025 | M -- (Common Stock) | 11261 | 0 | 120106 |
| Mar 27, 2024 | M -- (Common Stock, par value $0.001) | 8437 | 1.58 | 93437 |
| Feb 3, 2024 | Sell -- (Common Stock) | 9711 | 7.09 | 80000 |
| Feb 2, 2024 | M -- (Common Stock) | 5103 | 0 | 85103 |
| Feb 2, 2024 | Sell -- (Common Stock) | 3810 | 7 | 89711 |
| Feb 2, 2024 | Sell -- (Common Stock) | 1888 | 7 | 93521 |
| Feb 2, 2024 | M -- (Common Stock) | 10306 | 0 | 95409 |
| Dec 29, 2023 | Sell -- (Common Stock) | 6000 | 12.08 | 80000 |
| Dec 20, 2023 | Sell -- (Common Stock) | 5580 | 9.08 | 86000 |
| Mar 23, 2023 | M -- (Common Stock, par value $0.001) | 5000 | 1.58 | 96580 |
| Feb 3, 2023 | Sell -- (Common Stock) | 3266 | 10.03 | 91580 |
| Feb 2, 2023 | Sell -- (Common Stock) | 1836 | 9.17 | 94846 |
| Feb 2, 2023 | M -- (Common Stock) | 5102 | 0 | 96682 |
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