Griffith Joseph H. IV, CFO of 908 Devices Inc. ($MASS), made five open market sales of company shares over the past year, totaling $273 thousand. His latest sale occurred on February 2, 2026. These transactions rank 7,766th among 11,678 insiders in our database, well below the average sale value of $8.6 million across 6 sales per insider. He recorded 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 1, 2026 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | M | Restricted Stock Units | 5102 | $0.00 | 0.0000 | 36,101,051 | 100.00% | 0.01% |
| Feb. 2, 2026 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | S | Common Stock | 23175 | $6.18 | 139,896.0000 | 36,101,051 | 14.21% | 0.06% |
| Feb. 1, 2026 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | M | Common Stock | 43473 | $0.00 | 163,071.0000 | 36,101,051 | 36.35% | 0.12% |
| Feb. 1, 2026 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | M | Common Stock | 11260 | $0.00 | 119,598.0000 | 36,101,051 | 10.39% | 0.03% |
| Feb. 1, 2026 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | M | Common Stock | 10306 | $0.00 | 108,338.0000 | 36,101,051 | 10.51% | 0.03% |
| Feb. 1, 2026 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | M | Common Stock | 5102 | $0.00 | 98,032.0000 | 36,101,051 | 5.49% | 0.01% |
| Feb. 2, 2026 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | A | Stock Option (option to buy) | 52967 | $0.00 | 52,967.0000 | 36,101,051 | 9999.99% | 0.15% |
| Feb. 2, 2026 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | A | Restricted Stock Units | 121164 | $0.00 | 121,164.0000 | 36,101,051 | 9999.99% | 0.34% |
| Feb. 1, 2026 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | M | Restricted Stock Units | 43473 | $0.00 | 86,945.0000 | 36,101,051 | 33.33% | 0.12% |
| Feb. 1, 2026 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | M | Restricted Stock Units | 11260 | $0.00 | 22,521.0000 | 36,101,051 | 33.33% | 0.03% |
| Feb. 1, 2026 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | M | Restricted Stock Units | 10306 | $0.00 | 10,306.0000 | 36,101,051 | 50.00% | 0.03% |
| Oct. 3, 2025 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | S | Common Stock | 4292 | $9.05 | 92,930.0000 | 36,101,051 | 4.41% | 0.01% |
| Oct. 2, 2025 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | S | Common Stock | 708 | $9.04 | 97,222.0000 | 36,101,051 | 0.72% | 0.00% |
| Sept. 19, 2025 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | S | Common Stock | 5000 | $7.07 | 97,930.0000 | 35,877,947 | 4.86% | 0.01% |
| June 4, 2025 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | S | Common Stock | 6940 | $7.08 | 102,930.0000 | 35,386,483 | 6.32% | 0.02% |
| March 3, 2025 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | A | Restricted Stock Units | 130418 | $0.00 | 130,418.0000 | 34,076,321 | 9999.99% | 0.38% |
| March 3, 2025 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | A | Stock Option (option to buy) | 59362 | $0.00 | 59,362.0000 | 34,076,321 | 9999.99% | 0.17% |
| Feb. 1, 2025 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | M | Restricted Stock Units | 10306 | $0.00 | 20,612.0000 | 34,076,321 | 33.33% | 0.03% |
| Feb. 1, 2025 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | M | Common Stock | 5102 | $0.00 | 98,539.0000 | 34,076,321 | 5.46% | 0.01% |
| Feb. 1, 2025 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | M | Common Stock | 10306 | $0.00 | 108,845.0000 | 34,076,321 | 10.46% | 0.03% |
| Feb. 1, 2025 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | M | Common Stock | 11261 | $0.00 | 120,106.0000 | 34,076,321 | 10.35% | 0.03% |
| Feb. 3, 2025 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | S | Common Stock | 1960 | $2.34 | 118,146.0000 | 34,076,321 | 1.63% | 0.01% |
| Feb. 3, 2025 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | S | Common Stock | 3955 | $2.34 | 114,191.0000 | 34,076,321 | 3.35% | 0.01% |
| Feb. 3, 2025 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | S | Common Stock | 4321 | $2.35 | 109,870.0000 | 34,076,321 | 3.78% | 0.01% |
| Feb. 1, 2025 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | M | Restricted Stock Units | 5102 | $0.00 | 5,102.0000 | 34,076,321 | 50.00% | 0.01% |
| Feb. 1, 2025 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | M | Restricted Stock Units | 11261 | $0.00 | 33,781.0000 | 34,076,321 | 25.00% | 0.03% |
| March 26, 2024 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | M | Common Stock, par value $0.001 | 8437 | $1.58 | 93,437.0000 | 32,239,394 | 9.93% | 0.03% |
| March 26, 2024 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | M | Stock Option (option to buy) | 8437 | $0.00 | 5,000.0000 | 32,239,394 | 62.79% | 0.03% |
| March 1, 2024 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | A | Restricted Stock Units | 45042 | $0.00 | 45,042.0000 | 32,239,394 | 9999.99% | 0.14% |
| March 1, 2024 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | A | Stock Option (option to buy) | 61535 | $0.00 | 61,535.0000 | 32,239,394 | 9999.99% | 0.19% |
| Feb. 1, 2024 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | M | Restricted Stock Units | 10306 | $0.00 | 30,918.0000 | 32,239,394 | 25.00% | 0.03% |
| Feb. 1, 2024 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | M | Restricted Stock Units | 5103 | $0.00 | 10,204.0000 | 32,239,394 | 33.34% | 0.02% |
| Feb. 2, 2024 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | S | Common Stock | 9711 | $7.09 | 80,000.0000 | 32,239,394 | 10.82% | 0.03% |
| Feb. 1, 2024 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | S | Common Stock | 3810 | $7.00 | 89,711.0000 | 32,239,394 | 4.07% | 0.01% |
| Feb. 1, 2024 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | S | Common Stock | 1888 | $7.00 | 93,521.0000 | 32,239,394 | 1.98% | 0.01% |
| Feb. 1, 2024 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | M | Common Stock | 10306 | $0.00 | 95,409.0000 | 32,239,394 | 12.11% | 0.03% |
| Feb. 1, 2024 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | M | Common Stock | 5103 | $0.00 | 85,103.0000 | 32,239,394 | 6.38% | 0.02% |
| Dec. 28, 2023 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | S | Common Stock | 6000 | $12.08 | 80,000.0000 | 32,345,925 | 6.98% | 0.02% |
| Dec. 19, 2023 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | S | Common Stock | 5580 | $9.08 | 86,000.0000 | 32,345,925 | 6.09% | 0.02% |
| March 22, 2023 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | M | Common Stock, par value $0.001 | 5000 | $1.58 | 96,580.0000 | 31,492,531 | 5.46% | 0.02% |
| March 22, 2023 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | M | Stock Option (option to buy) | 5000 | $0.00 | 13,437.0000 | 31,492,531 | 27.12% | 0.02% |
| March 1, 2023 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | A | Restricted Stock Unit | 41224 | $0.00 | 41,224.0000 | 31,492,531 | 9999.99% | 0.13% |
| March 1, 2023 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | A | Stock Option (option to buy) | 62543 | $0.00 | 62,543.0000 | 31,492,531 | 9999.99% | 0.20% |
| Feb. 1, 2023 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | M | Common Stock | 5102 | $0.00 | 96,682.0000 | 31,492,531 | 5.57% | 0.02% |
| Feb. 1, 2023 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | S | Common Stock | 1836 | $9.17 | 94,846.0000 | 31,492,531 | 1.90% | 0.01% |
| Feb. 2, 2023 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | S | Common Stock | 3266 | $10.03 | 91,580.0000 | 31,492,531 | 3.44% | 0.01% |
| Feb. 1, 2023 | 908 Devices Inc. | $MASS | Griffith Joseph H. IV | Chief Financial Officer | M | Restricted Stock Unit | 5102 | $0.00 | 15,307.0000 | 31,492,531 | 25.00% | 0.02% |