Spoto Mark bought shares of 908 Devices Inc. ($MASS) on the open market twice in the last year, totaling $42,850. His most recent purchase was on May 14, 2025. These buys rank 3,181st among 4,983 insiders, below the average of about $1.5 million per buyer and 3.3 transactions. Spoto Mark made no open market sales in the period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec. 30, 2025 | 908 Devices Inc. | $MASS | Spoto Mark | Not found | G | Common Stock | 928 | $0.00 | 78,862.0000 | 36,101,051 | 1.19% | 0.00% |
| Dec. 30, 2025 | 908 Devices Inc. | $MASS | Spoto Mark | Not found | G | Common Stock | 928 | $0.00 | 78,862.0000 | 36,101,051 | 1.16% | 0.00% |
| Oct. 14, 2025 | 908 Devices Inc. | $MASS | Spoto Mark | Not found | W | Common Stock | 928 | $0.00 | 79,790.0000 | 36,101,051 | 1.18% | 0.00% |
| June 12, 2025 | 908 Devices Inc. | $MASS | Spoto Mark | Not found | A | Stock Option (option to buy) | 6516 | $0.00 | 6,516.0000 | 35,386,483 | 9999.99% | 0.02% |
| June 11, 2025 | 908 Devices Inc. | $MASS | Spoto Mark | Not found | M | Common Stock | 11364 | $0.00 | 77,934.0000 | 35,386,483 | 17.07% | 0.03% |
| June 11, 2025 | 908 Devices Inc. | $MASS | Spoto Mark | Not found | M | Restricted Stock Units | 11364 | $0.00 | 0.0000 | 35,386,483 | 100.00% | 0.03% |
| June 12, 2025 | 908 Devices Inc. | $MASS | Spoto Mark | Not found | A | Restricted Stock Units | 14083 | $0.00 | 14,083.0000 | 35,386,483 | 9999.99% | 0.04% |
| May 14, 2025 | 908 Devices Inc. | $MASS | Spoto Mark | Not found | P | Common Stock | 7000 | $4.30 | 63,570.0000 | 35,386,483 | 12.37% | 0.02% |
| May 14, 2025 | 908 Devices Inc. | $MASS | Spoto Mark | Not found | P | Common Stock | 3000 | $4.25 | 66,570.0000 | 35,386,483 | 4.72% | 0.01% |
| June 13, 2024 | 908 Devices Inc. | $MASS | Spoto Mark | Not found | A | Stock Option (option to buy) | 15996 | $0.00 | 15,996.0000 | 32,710,894 | 9999.99% | 0.05% |
| June 12, 2024 | 908 Devices Inc. | $MASS | Spoto Mark | Not found | M | Restricted Stock Unit | 7777 | $0.00 | 0.0000 | 32,710,894 | 100.00% | 0.02% |
| June 13, 2024 | 908 Devices Inc. | $MASS | Spoto Mark | Not found | A | Restricted Stock Unit | 11364 | $0.00 | 11,364.0000 | 32,710,894 | 9999.99% | 0.03% |
| June 12, 2024 | 908 Devices Inc. | $MASS | Spoto Mark | Not found | M | Common Stock | 7777 | $0.00 | 56,570.0000 | 32,710,894 | 15.94% | 0.02% |
| June 15, 2023 | 908 Devices Inc. | $MASS | Spoto Mark | Not found | A | Stock Option (option to buy) | 12076 | $0.00 | 12,076.0000 | 31,965,799 | 9999.99% | 0.04% |
| June 14, 2023 | 908 Devices Inc. | $MASS | Spoto Mark | Not found | M | Common Stock | 4771 | $0.00 | 48,793.0000 | 31,965,799 | 10.84% | 0.01% |
| June 14, 2023 | 908 Devices Inc. | $MASS | Spoto Mark | Not found | M | Restricted Stock Units | 4771 | $0.00 | 0.0000 | 31,965,799 | 100.00% | 0.01% |
| June 15, 2023 | 908 Devices Inc. | $MASS | Spoto Mark | Not found | A | Restricted Stock Units | 7777 | $0.00 | 7,777.0000 | 31,965,799 | 9999.99% | 0.02% |