| Insider | Role | Shares | Value | Buys | Sells |
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| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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| Insider | Role | Shares | Value | Buys | Sells |
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Chief Financial Officer
1 company
Griffith Joseph H. IV is a Chief Financial Officer at 908 Devices Inc.. Recent SEC Form 4 filings include 0 buys and 18 sells.
Estimated insider holdings value: $707K based on current market prices.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Oct 3, 2025 | MASS 908 Devices Inc. | Chief Financial Officer | Sell | 5,000 | $9.05 | $45,246.81 | -2.6% | -43.9% | - | |
| Sep 19, 2025 | MASS 908 Devices Inc. | Chief Financial Officer | Sell | 5,000 | $7.07 | $35,338.50 | -4.9% | -25.6% | - | |
| Jun 4, 2025 | MASS 908 Devices Inc. | Chief Financial Officer | Sell | 6,940 | $7.08 | $49,135.20 | -6.3% | -13.9% | - | |
| Feb 3, 2025 | MASS 908 Devices Inc. | Chief Financial Officer | Sale+OE | 10,236 | $2.34 | $23,984.72 | -2.9% | +135.8% | +181.2% | |
| Feb 2, 2024 | MASS 908 Devices Inc. | Chief Financial Officer | Sale+OE | 15,409 | $7.06 | $108,765.48 | -5.5% | -20.8% | -65.1% | |
| Dec 28, 2023 | MASS 908 Devices Inc. | Chief Financial Officer | Sell | 6,000 | $12.08 | $72,480.00 | -7.0% | -44.0% | -81.8% | |
| Dec 19, 2023 | MASS 908 Devices Inc. | Chief Financial Officer | Sell | 5,580 | $9.08 | $50,666.40 | -6.1% | -25.6% | -79.1% | |
| Feb 2, 2023 | MASS 908 Devices Inc. | Chief Financial Officer | Sale+OE | 5,102 | $9.72 | $49,594.10 | -2.7% | -38.6% | -32.8% | |
| Aug 4, 2022 | MASS 908 Devices Inc. | Chief Financial Officer | Sale+OE | 13,333 | $24.39 | $325,131.87 | -6.8% | -40.3% | -74.6% | |
| Jun 27, 2022 | MASS 908 Devices Inc. | Chief Financial Officer | Sale+OE | 18,188 | $19.12 | $347,683.49 | -9.0% | -20.8% | -65.3% |