Turner Michael S., Chief Legal and Admin Officer at 908 Devices Inc. ($MASS), sold shares on the open market three times over the last year, totaling about $185,000. His most recent sale occurred on June 18, 2025. These sales rank 8,587th among 11,678 individual insiders in our database, where the average is $8.6 million across 6.4 transactions per insider. He made no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| June 16, 2025 | 908 Devices Inc. | $MASS | Turner Michael S. | Chief Legal & Admin Officer | S | Common Stock | 16082 | $7.51 | 8,521.0000 | 35,386,483 | 65.37% | 0.05% |
| June 17, 2025 | 908 Devices Inc. | $MASS | Turner Michael S. | Chief Legal & Admin Officer | S | Common Stock | 7148 | $7.51 | 1,373.0000 | 35,386,483 | 83.89% | 0.02% |
| June 18, 2025 | 908 Devices Inc. | $MASS | Turner Michael S. | Chief Legal & Admin Officer | S | Common Stock | 1373 | $7.50 | 0.0000 | 35,386,483 | 100.00% | 0.00% |
| March 3, 2025 | 908 Devices Inc. | $MASS | Turner Michael S. | Chief Legal & Admin Officer | A | Stock Option (option to buy) | 57111 | $0.00 | 57,111.0000 | 34,076,321 | 9999.99% | 0.17% |
| March 3, 2025 | 908 Devices Inc. | $MASS | Turner Michael S. | Chief Legal & Admin Officer | A | Restricted Stock Units | 125470 | $0.00 | 125,470.0000 | 34,076,321 | 9999.99% | 0.37% |
| Feb. 1, 2025 | 908 Devices Inc. | $MASS | Turner Michael S. | Chief Legal & Admin Officer | M | Common Stock | 4427 | $0.00 | 13,532.0000 | 34,076,321 | 48.62% | 0.01% |
| Feb. 1, 2025 | 908 Devices Inc. | $MASS | Turner Michael S. | Chief Legal & Admin Officer | M | Common Stock | 9909 | $0.00 | 23,441.0000 | 34,076,321 | 73.23% | 0.03% |
| Feb. 1, 2025 | 908 Devices Inc. | $MASS | Turner Michael S. | Chief Legal & Admin Officer | M | Common Stock | 10834 | $0.00 | 34,275.0000 | 34,076,321 | 46.22% | 0.03% |
| Feb. 3, 2025 | 908 Devices Inc. | $MASS | Turner Michael S. | Chief Legal & Admin Officer | S | Common Stock | 1703 | $2.36 | 32,572.0000 | 34,076,321 | 4.97% | 0.00% |
| Feb. 3, 2025 | 908 Devices Inc. | $MASS | Turner Michael S. | Chief Legal & Admin Officer | S | Common Stock | 3807 | $2.32 | 28,765.0000 | 34,076,321 | 11.69% | 0.01% |
| Feb. 3, 2025 | 908 Devices Inc. | $MASS | Turner Michael S. | Chief Legal & Admin Officer | S | Common Stock | 4162 | $2.32 | 24,603.0000 | 34,076,321 | 14.47% | 0.01% |
| Feb. 1, 2025 | 908 Devices Inc. | $MASS | Turner Michael S. | Chief Legal & Admin Officer | M | Restricted Stock Units | 4427 | $0.00 | 4,427.0000 | 34,076,321 | 50.00% | 0.01% |
| Feb. 1, 2025 | 908 Devices Inc. | $MASS | Turner Michael S. | Chief Legal & Admin Officer | M | Restricted Stock Units | 9909 | $0.00 | 19,819.0000 | 34,076,321 | 33.33% | 0.03% |
| Feb. 1, 2025 | 908 Devices Inc. | $MASS | Turner Michael S. | Chief Legal & Admin Officer | M | Restricted Stock Units | 10834 | $0.00 | 32,500.0000 | 34,076,321 | 25.00% | 0.03% |
| March 1, 2024 | 908 Devices Inc. | $MASS | Turner Michael S. | Chief Legal & Admin Officer | A | Stock Option (option to buy) | 59201 | $0.00 | 59,201.0000 | 32,239,394 | 9999.99% | 0.18% |
| March 1, 2024 | 908 Devices Inc. | $MASS | Turner Michael S. | Chief Legal & Admin Officer | A | Restricted Stock Units | 43334 | $0.00 | 43,334.0000 | 32,239,394 | 9999.99% | 0.13% |
| Feb. 1, 2024 | 908 Devices Inc. | $MASS | Turner Michael S. | Chief Legal & Admin Officer | M | Common Stock | 4427 | $0.00 | 4,427.0000 | 32,239,394 | 9999.99% | 0.01% |
| Feb. 1, 2024 | 908 Devices Inc. | $MASS | Turner Michael S. | Chief Legal & Admin Officer | M | Common Stock | 9910 | $0.00 | 14,337.0000 | 32,239,394 | 223.85% | 0.03% |
| Feb. 1, 2024 | 908 Devices Inc. | $MASS | Turner Michael S. | Chief Legal & Admin Officer | S | Common Stock | 1616 | $7.03 | 12,721.0000 | 32,239,394 | 11.27% | 0.01% |
| Feb. 1, 2024 | 908 Devices Inc. | $MASS | Turner Michael S. | Chief Legal & Admin Officer | S | Common Stock | 3616 | $6.97 | 9,105.0000 | 32,239,394 | 28.43% | 0.01% |
| Feb. 1, 2024 | 908 Devices Inc. | $MASS | Turner Michael S. | Chief Legal & Admin Officer | M | Restricted Stock Units | 4427 | $0.00 | 8,854.0000 | 32,239,394 | 33.33% | 0.01% |
| Feb. 1, 2024 | 908 Devices Inc. | $MASS | Turner Michael S. | Chief Legal & Admin Officer | M | Restricted Stock Units | 9910 | $0.00 | 29,728.0000 | 32,239,394 | 25.00% | 0.03% |
| March 1, 2023 | 908 Devices Inc. | $MASS | Turner Michael S. | VP, General Counsel | A | Stock Option (option to buy) | 60138 | $0.00 | 60,138.0000 | 31,492,531 | 9999.99% | 0.19% |
| March 1, 2023 | 908 Devices Inc. | $MASS | Turner Michael S. | VP, General Counsel | A | Restricted Stock Unit | 39638 | $0.00 | 39,638.0000 | 31,492,531 | 9999.99% | 0.13% |
| Feb. 1, 2023 | 908 Devices Inc. | $MASS | Turner Michael S. | VP, General Counsel | M | Common Stock | 4427 | $0.00 | 4,427.0000 | 31,492,531 | 9999.99% | 0.01% |
| Feb. 1, 2023 | 908 Devices Inc. | $MASS | Turner Michael S. | VP, General Counsel | S | Common Stock | 1579 | $9.17 | 2,848.0000 | 31,492,531 | 35.67% | 0.01% |
| Feb. 2, 2023 | 908 Devices Inc. | $MASS | Turner Michael S. | VP, General Counsel | S | Common Stock | 2848 | $10.02 | 0.0000 | 31,492,531 | 100.00% | 0.01% |
| Feb. 1, 2023 | 908 Devices Inc. | $MASS | Turner Michael S. | VP, General Counsel | M | Restricted Stock Unit | 4427 | $0.00 | 13,281.0000 | 31,492,531 | 25.00% | 0.01% |