John Kenneweg

Companies

• 908 Devices Inc.Vice President, Government 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. MASS57,784 shares²$690.5K at $11.95Sep 17, 2026

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

Recent filings

• Sep 17, 2026Sold 5,257 shares at $10.22 of 908 Devices Inc.²
• Sep 17, 2026Exercised options 5,257 shares at $0.96 of 908 Devices Inc.²
• Sep 16, 2026Sold 21,399 shares at $10.11 of 908 Devices Inc.²
• Sep 16, 2026Exercised options 21,399 shares at $0.96 of 908 Devices Inc.²
• Sep 15, 2026Sold 1,000 shares at $10.00 of 908 Devices Inc.²
• Sep 15, 2026Exercised options 1,000 shares at $0.96 of 908 Devices Inc.²
• May 8, 2026Sold 18,255 shares at $8.11 of 908 Devices Inc.³
• May 1, 2026Sold 7,787 shares at $6.83 of 908 Devices Inc.⁴
• May 1, 2026Exercised options 26,042 shares of 908 Devices Inc.⁴
• Apr 12, 2022Sold 9,880 shares at $20.07 of 908 Devices Inc.⁵
• Apr 12, 2022Exercised options 9,880 shares at $0.35 of 908 Devices Inc.⁵
• Mar 18, 2022Sold 19,881 shares at $20.06 of 908 Devices Inc.⁶
• Mar 18, 2022Exercised options 19,881 shares at $0.35 of 908 Devices Inc.⁶
• Mar 11, 2022Sold 119 shares at $20.00 of 908 Devices Inc.⁷
• Mar 11, 2022Exercised options 119 shares at $0.35 of 908 Devices Inc.⁷
• Jan 11, 2022Sold 9,300 shares at $20.15 of 908 Devices Inc.⁸
• Jan 11, 2022Exercised options 9,300 shares at $0.35 of 908 Devices Inc.⁸
• Jan 10, 2022Sold 700 shares at $20.04 of 908 Devices Inc.⁸
• Jan 10, 2022Exercised options 700 shares at $0.35 of 908 Devices Inc.⁸
• Nov 16, 2021Sold 502 shares at $31.10 of 908 Devices Inc.⁹
• Nov 16, 2021Sold 9,498 shares at $30.28 of 908 Devices Inc.⁹
• Nov 16, 2021Exercised options 10,000 shares at $0.35 of 908 Devices Inc.⁹
• Oct 18, 2021Sold 10,000 shares at $32.22 of 908 Devices Inc.¹⁰
• Oct 18, 2021Exercised options 10,000 shares at $0.35 of 908 Devices Inc.¹⁰