The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Turner Michael S. since 2020.
This trader's CIK number is 1836524.
At the time of last reporting, Turner Michael S. was the Chief Legal & Admin Officer of 908 Devices Inc.. (stock ticker symbol MASS).
Also see all insider trading activities at 908 Devices Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | MASS | 0 | $0 | 34,275 | $207,344 | 25,170 | $0 |
| 2024 | MASS | 0 | $0 | 5,232 | $36,613 | 14,337 | $0 |
| 2023 | MASS | 0 | $0 | 4,427 | $43,015 | 4,427 | $0 |
| 2022 | MASS | 0 | $0 | 30,000 | $609,500 | 25,000 | $197,750 |
| 2021 | MASS | 0 | $0 | 21,848 | $799,309 | 21,848 | $172,817 |
| 2020 | MASS | 5,000 | $100,000 | 0 | $0 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-06-16 | MASS | Sale | 16,082 | 7.51 | 120,840 |
| 2025-06-17 | MASS | Sale | 7,148 | 7.51 | 53,652 |
| 2025-06-18 | MASS | Sale | 1,373 | 7.50 | 10,297 |
| 2025-02-03 | MASS | Sale | 9,672 | 2.33 | 22,555 |
| 2025-02-01 | MASS | Option Ex | 25,170 | .00 | 0 |
| 2024-02-01 | MASS | Option Ex | 14,337 | .00 | 0 |
| 2024-02-01 | MASS | Sale | 5,232 | 7.00 | 36,613 |
| 2023-02-01 | MASS | Option Ex | 4,427 | .00 | 0 |
| 2023-02-01 | MASS | Sale | 1,579 | 9.17 | 14,479 |
| 2023-02-02 | MASS | Sale | 2,848 | 10.02 | 28,536 |
| 2022-08-17 | MASS | Option Ex | 5,000 | 7.91 | 39,550 |
| 2022-08-17 | MASS | Sale | 5,000 | 18.15 | 90,750 |
| 2022-08-02 | MASS | Option Ex | 10,000 | 7.91 | 79,100 |
| 2022-08-02 | MASS | Sale | 10,000 | 23.96 | 239,600 |
| 2022-06-29 | MASS | Sale | 5,000 | 20.03 | 100,150 |
| 2022-06-23 | MASS | Sale | 10,000 | 17.90 | 179,000 |
| 2022-06-23 | MASS | Option Ex | 10,000 | 7.91 | 79,100 |
| 2021-09-09 | MASS | Option Ex | 21,848 | 7.91 | 172,817 |
| 2021-09-09 | MASS | Sale | 21,848 | 36.59 | 799,309 |
| 2020-12-22 | MASS | Buy | 5,000 | 20.00 | 100,000 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Turner Michael S. (Chief Legal & Admin Officer of 908 Devices Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.