Insider Trading
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MASS Stock Insider Trading Activity
Corporate insiders are required to disclose purchases or sales of their own stock within two business days of when they occur. Using these disclosures, we collect data on MASS stock insider trading activity, which can give hints on whether 908 Devices Inc executives are bullish or bearish on their own company.
Recent insider purchases and sales - MASS
| Name / Title | Purchase / Sale | Shares | Date | Disclosed (EST) |
|---|---|---|---|---|
|
Turner Michael S.
Chief Legal & Admin Officer
|
Sale | 7148 | Jun 17, 2025 | June 18, 2025, 4:35 p.m. |
|
Turner Michael S.
Chief Legal & Admin Officer
|
Sale | 1373 | Jun 18, 2025 | June 18, 2025, 4:35 p.m. |
|
Turner Michael S.
Chief Legal & Admin Officer
|
Sale | 16082 | Jun 16, 2025 | June 18, 2025, 4:35 p.m. |
|
Griffith Joseph H. IV
Chief Financial Officer
|
Sale | 6940 | Jun 04, 2025 | June 6, 2025, 5:51 p.m. |
|
Knopp Kevin J.
President and CEO
|
Purchase | 15000 | May 15, 2025 | May 19, 2025, 4:37 p.m. |
|
Spoto Mark
|
Purchase | 7000 | May 14, 2025 | May 15, 2025, 4:52 p.m. |
|
Spoto Mark
|
Purchase | 3000 | May 14, 2025 | May 15, 2025, 4:52 p.m. |
|
Knopp Kevin J.
President and CEO
|
Purchase | 15000 | May 14, 2025 | May 14, 2025, 4:28 p.m. |
|
Griffith Joseph H. IV
Chief Financial Officer
|
Sale | 1960 | Feb 03, 2025 | Feb. 4, 2025, 5:51 p.m. |
|
Griffith Joseph H. IV
Chief Financial Officer
|
Sale | 4321 | Feb 03, 2025 | Feb. 4, 2025, 5:51 p.m. |
|
Griffith Joseph H. IV
Chief Financial Officer
|
Sale | 3955 | Feb 03, 2025 | Feb. 4, 2025, 5:51 p.m. |
|
Turner Michael S.
Chief Legal & Admin Officer
|
Sale | 1703 | Feb 03, 2025 | Feb. 4, 2025, 5:50 p.m. |
|
Turner Michael S.
Chief Legal & Admin Officer
|
Sale | 4162 | Feb 03, 2025 | Feb. 4, 2025, 5:50 p.m. |
|
Turner Michael S.
Chief Legal & Admin Officer
|
Sale | 3807 | Feb 03, 2025 | Feb. 4, 2025, 5:50 p.m. |
|
Knopp Kevin J.
President and CEO
|
Sale | 4318 | Feb 03, 2025 | Feb. 4, 2025, 5:50 p.m. |
|
Knopp Kevin J.
President and CEO
|
Sale | 6524 | Feb 03, 2025 | Feb. 4, 2025, 5:50 p.m. |
|
Knopp Kevin J.
President and CEO
|
Sale | 5159 | Feb 03, 2025 | Feb. 4, 2025, 5:50 p.m. |
|
Brown Christopher D.
Chief Product Officer
|
Sale | 3641 | Feb 03, 2025 | Feb. 4, 2025, 5:49 p.m. |
|
Brown Christopher D.
Chief Product Officer
|
Sale | 1667 | Feb 03, 2025 | Feb. 4, 2025, 5:49 p.m. |
|
Brown Christopher D.
Chief Product Officer
|
Sale | 2459 | Feb 03, 2025 | Feb. 4, 2025, 5:49 p.m. |
|
Knopp Kevin J.
President and CEO
|
Purchase | 10000 | May 13, 2024 | May 13, 2024, 4:42 p.m. |
|
Knopp Kevin J.
President and CEO
|
Purchase | 10000 | May 10, 2024 | May 10, 2024, 6:36 p.m. |
|
Knopp Kevin J.
President and CEO
|
Purchase | 10000 | May 09, 2024 | May 9, 2024, 4:34 p.m. |
|
Knopp Kevin J.
President and CEO
|
Purchase | 10000 | May 08, 2024 | May 8, 2024, 9:31 p.m. |
|
Knopp Kevin J.
President and CEO
|
Purchase | 10000 | May 07, 2024 | May 7, 2024, 6:07 p.m. |
|
Griffith Joseph H. IV
Chief Financial Officer
|
Sale | 3810 | Feb 01, 2024 | Feb. 2, 2024, 8:10 p.m. |
|
Griffith Joseph H. IV
Chief Financial Officer
|
Sale | 9711 | Feb 02, 2024 | Feb. 2, 2024, 8:10 p.m. |
|
Griffith Joseph H. IV
Chief Financial Officer
|
Sale | 1888 | Feb 01, 2024 | Feb. 2, 2024, 8:10 p.m. |
|
Turner Michael S.
Chief Legal & Admin Officer
|
Sale | 3616 | Feb 01, 2024 | Feb. 2, 2024, 5:40 p.m. |
|
Turner Michael S.
Chief Legal & Admin Officer
|
Sale | 1616 | Feb 01, 2024 | Feb. 2, 2024, 5:40 p.m. |
|
Knopp Kevin J.
President and CEO
|
Sale | 4099 | Feb 01, 2024 | Feb. 2, 2024, 5:39 p.m. |
|
Knopp Kevin J.
President and CEO
|
Sale | 4972 | Feb 01, 2024 | Feb. 2, 2024, 5:39 p.m. |
|
Brown Christopher D.
Chief Product Officer
|
Sale | 1599 | Feb 01, 2024 | Feb. 2, 2024, 5:37 p.m. |
|
Brown Christopher D.
Chief Product Officer
|
Sale | 2358 | Feb 01, 2024 | Feb. 2, 2024, 5:37 p.m. |
|
Griffith Joseph H. IV
Chief Financial Officer
|
Sale | 6000 | Dec 28, 2023 | Jan. 2, 2024, 6:01 p.m. |
|
Griffith Joseph H. IV
Chief Financial Officer
|
Sale | 5580 | Dec 19, 2023 | Dec. 21, 2023, 5:47 p.m. |
|
Brown Christopher D.
Chief Product Officer
|
Sale | 5235 | Dec 20, 2023 | Dec. 21, 2023, 5:46 p.m. |
|
Brown Christopher D.
Chief Product Officer
|
Sale | 6090 | Dec 19, 2023 | Dec. 21, 2023, 5:46 p.m. |
|
Brown Christopher D.
Chief Product Officer
|
Sale | 7370 | Dec 21, 2023 | Dec. 21, 2023, 5:46 p.m. |
|
Brown Christopher D.
Chief Product Officer
|
Sale | 1305 | Dec 19, 2023 | Dec. 21, 2023, 5:46 p.m. |
|
Brown Christopher D.
Chief Product Officer
|
Sale | 4470 | Jun 07, 2023 | June 9, 2023, 4:17 p.m. |
|
Brown Christopher D.
Chief Technology Officer
|
Sale | 10000 | May 23, 2023 | May 25, 2023, 4:12 p.m. |
|
Knopp Kevin J.
President and CEO
|
Sale | 60000 | May 23, 2023 | May 25, 2023, 4:08 p.m. |
|
Knopp Kevin J.
President and CEO
|
Sale | 4842 | Feb 16, 2023 | Feb. 17, 2023, 5:06 p.m. |
|
Knopp Kevin J.
President and CEO
|
Sale | 15158 | Feb 15, 2023 | Feb. 17, 2023, 5:06 p.m. |
|
Turner Michael S.
VP, General Counsel
|
Sale | 2848 | Feb 02, 2023 | Feb. 3, 2023, 6:17 p.m. |
|
Turner Michael S.
VP, General Counsel
|
Sale | 1579 | Feb 01, 2023 | Feb. 3, 2023, 6:17 p.m. |
|
Knopp Kevin J.
President and CEO
|
Sale | 4049 | Feb 01, 2023 | Feb. 3, 2023, 6:16 p.m. |
|
Knopp Kevin J.
President and CEO
|
Sale | 40000 | Feb 02, 2023 | Feb. 3, 2023, 6:16 p.m. |
|
Griffith Joseph H. IV
Chief Financial Officer
|
Sale | 3266 | Feb 02, 2023 | Feb. 3, 2023, 6:16 p.m. |