Joseph H. Griffith Iv.

Companies

• 908 Devices Inc.Chief financial officer Dec 17, 2020 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• 9D908 Devices Inc. MASS121,497 shares²$1.5M at $11.95Aug 25, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Aug 25, 2026Sold 11,459 shares at $10.95 of 908 Devices Inc.²
• May 28, 2026Sold 6,940 shares at $9.03 of 908 Devices Inc.³
• Feb 2, 2026Sold 23,175 shares at $6.18 of 908 Devices Inc.⁴
• Feb 1, 2026Exercised options 43,473 shares of 908 Devices Inc.⁴
• Feb 1, 2026Exercised options 11,260 shares of 908 Devices Inc.⁴
• Feb 1, 2026Exercised options 10,306 shares of 908 Devices Inc.⁴
• Feb 1, 2026Exercised options 5,102 shares of 908 Devices Inc.⁴
• Oct 3, 2025Sold 4,292 shares at $9.05 of 908 Devices Inc.⁵
• Oct 2, 2025Sold 708 shares at $9.04 of 908 Devices Inc.⁵
• Sep 19, 2025Sold 5,000 shares at $7.07 of 908 Devices Inc.⁶
• Jun 4, 2025Sold 6,940 shares at $7.08 of 908 Devices Inc.⁷
• Feb 3, 2025Sold 4,321 shares at $2.35 of 908 Devices Inc.⁸
• Feb 3, 2025Sold 3,955 shares at $2.34 of 908 Devices Inc.⁸
• Feb 3, 2025Sold 1,960 shares at $2.34 of 908 Devices Inc.⁸
• Feb 1, 2025Exercised options 11,261 shares of 908 Devices Inc.⁸
• Feb 1, 2025Exercised options 10,306 shares of 908 Devices Inc.⁸
• Feb 1, 2025Exercised options 5,102 shares of 908 Devices Inc.⁸
• Mar 26, 2024Exercised options 8,437 shares at $1.58 of 908 Devices Inc.⁹
• Feb 2, 2024Sold 9,711 shares at $7.09 of 908 Devices Inc.¹⁰
• Feb 1, 2024Sold 3,810 shares at $7.00 of 908 Devices Inc.¹⁰
• Feb 1, 2024Sold 1,888 shares at $7.00 of 908 Devices Inc.¹⁰
• Feb 1, 2024Exercised options 10,306 shares of 908 Devices Inc.¹⁰
• Feb 1, 2024Exercised options 5,103 shares of 908 Devices Inc.¹⁰
• Dec 28, 2023Sold 6,000 shares at $12.08 of 908 Devices Inc.¹¹
• Dec 19, 2023Sold 5,580 shares at $9.08 of 908 Devices Inc.¹²