Insider Transactions Reported by 21 Insiders of 908 Devices Inc.

Symbol
MASS on Nasdaq
Location
Burlington, MA

Insiders trading volume in the past year

908 Devices Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Keith Crandell Director, 10%+ Owner $26,739,062 11 Jun 2025
AWM Investment Company, Inc. 10%+ Owner $12,235,421 04 Mar 2025
Kevin J. Knopp President and CEO, Director $7,760,502 -$83,458 -1.1% 01 Feb 2026
Christopher D. Brown Director $5,174,184 01 Feb 2026
E. Kevin Hrusovsky Director $2,236,565 11 Jun 2025
Trent A. Basarsky VP, Corporate Development $966,400 27 Apr 2022
Joseph H. Griffith IV Chief Financial Officer $864,557 -$272,942 -24% 01 Feb 2026
Mark Spoto Director $414,024 +$42,850 +12% 14 Oct 2025
John Kenneweg SVP, Sales & Product Marketing $370,395 26 Feb 2026
Nicolas Barthelemy Director $349,353 15 Jun 2022
Kevin J. McCallion SVP, Products and Production $287,969 02 Mar 2026
Anthony Hunt Director $139,895 11 Jun 2025
Fenel M. Eloi Director $124,685 11 Jun 2025
Jeffrey P. George Director $124,685 11 Jun 2025
Marcia Eisenberg Director $120,700 11 Jun 2025
Michele M. Leonhart Director $38,650 25 Jun 2025
Maura Fitzpatrick VP, Product Management & Mktg $34,235 01 Feb 2023
Michael S. Turner Chief Legal & Admin Officer $0 -$184,789 -100% 16 Jun 2025
Brandi C. Vann Director 01 Aug 2025
Michele Fournier Chief People Officer 29 Apr 2022
Mark S. Levine Chief Legal and Admin. Officer 26 Feb 2026

Recent Insider Transactions by Companies or Individuals for 908 Devices Inc.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Kevin J. McCallion MASS Common Stock Sale -0.02% -7 44,925 02 Mar 2026 Direct
Kevin J. McCallion MASS Common Stock Options Exercise 0.02% 7 44,932 02 Mar 2026 Direct
Kevin J. McCallion MASS Stock Option (right to buy) Options Exercise -0.03% -7 26,686 02 Mar 2026 Direct
Kevin J. Knopp MASS Common Stock Sale -4.18% $214,842 $6.18 -34,764 795,968 02 Feb 2026 Direct
Kevin J. Knopp MASS Stock Option (option to buy) Award 90,043 90,043 02 Feb 2026 Direct
Kevin J. Knopp MASS Restricted Stock Units Award 205,978 205,978 02 Feb 2026 Direct
Joseph H. Griffith IV MASS Common Stock Sale -14.2% $143,222 $6.18 -23,175 139,896 02 Feb 2026 Direct
Joseph H. Griffith IV MASS Stock Option (option to buy) Award 52,967 52,967 02 Feb 2026 Direct
Joseph H. Griffith IV MASS Restricted Stock Units Award 121,164 121,164 02 Feb 2026 Direct
Christopher D. Brown MASS Common Stock Options Exercise 2.44% 23,437 985,559 01 Feb 2026 Direct
Christopher D. Brown MASS Restricted Stock Units Options Exercise -100% -23,437 0 01 Feb 2026 Direct
Kevin J. Knopp MASS Common Stock Options Exercise 14.9% 107,999 830,732 01 Feb 2026 Direct
Kevin J. Knopp MASS Restricted Stock Units Options Exercise -100% -107,999 0 01 Feb 2026 Direct
Joseph H. Griffith IV MASS Common Stock Options Exercise 75.5% 70,141 163,071 01 Feb 2026 Direct
Joseph H. Griffith IV MASS Restricted Stock Units Options Exercise -100% -70,141 0 01 Feb 2026 Direct
Mark Spoto MASS Common Stock Gift 1.25% 928 75,263 30 Dec 2025 Direct
Mark Spoto MASS Common Stock Gift -100% -928 0 30 Dec 2025 By spouse
Mark Spoto MASS Common Stock Will/Inheritance 928 928 14 Oct 2025 By spouse
Joseph H. Griffith IV MASS Common Stock Sale -4.41% $38,849 $9.05 -4,292 92,930 03 Oct 2025 Direct
Joseph H. Griffith IV MASS Common Stock Sale -0.72% $6,398 $9.04 -708 97,222 02 Oct 2025 Direct
Joseph H. Griffith IV MASS Common Stock Sale -4.86% $35,338 $7.07 -5,000 97,930 19 Sep 2025 Direct
Brandi C. Vann MASS Stock Option (option to buy) Award 20,409 20,409 01 Aug 2025 Direct
Brandi C. Vann MASS Restricted Stock Unit Award 15,577 15,577 01 Aug 2025 Direct
Michele M. Leonhart MASS Common Stock Options Exercise 6,485 6,485 25 Jun 2025 Direct
Michele M. Leonhart MASS Restricted Stock Units Options Exercise -33.3% -6,485 12,971 25 Jun 2025 Direct
Michael S. Turner MASS Common Stock Sale -100% $10,298 $7.50 -1,373 0 18 Jun 2025 Direct
Michael S. Turner MASS Common Stock Sale -83.9% $53,653 $7.51 -7,148 1,373 17 Jun 2025 Direct
Michael S. Turner MASS Common Stock Sale -65.4% $120,839 $7.51 -16,082 8,521 16 Jun 2025 Direct
Michele M. Leonhart MASS Stock Option (option to buy) Award 6,516 6,516 12 Jun 2025 Direct
Michele M. Leonhart MASS Restricted Stock Units Award 14,083 14,083 12 Jun 2025 Direct
E. Kevin Hrusovsky MASS Stock Option (option to buy) Award 6,516 6,516 12 Jun 2025 Direct
E. Kevin Hrusovsky MASS Restricted Stock Units Award 14,083 14,083 12 Jun 2025 Direct
Anthony Hunt MASS Stock Option (option to buy) Award 6,516 6,516 12 Jun 2025 Direct
Anthony Hunt MASS Restricted Stock Units Award 14,083 14,083 12 Jun 2025 Direct
Jeffrey P. George MASS Stock Option (option to buy) Award 6,516 6,516 12 Jun 2025 Direct
Jeffrey P. George MASS Restricted Stock Units Award 14,083 14,083 12 Jun 2025 Direct
Fenel M. Eloi MASS Stock Option (option to buy) Award 6,516 6,516 12 Jun 2025 Direct
Fenel M. Eloi MASS Restricted Stock Units Award 14,083 14,083 12 Jun 2025 Direct
Keith Crandell MASS Stock Option (option to buy) Award 6,516 6,516 12 Jun 2025 Direct
Keith Crandell MASS Restricted Stock Units Award 14,083 14,083 12 Jun 2025 Direct
Mark Spoto MASS Stock Option (option to buy) Award 6,516 6,516 12 Jun 2025 Direct
Mark Spoto MASS Restricted Stock Units Award 14,083 14,083 12 Jun 2025 Direct
E. Kevin Hrusovsky MASS Common Stock Options Exercise 8.12% 11,364 151,307 11 Jun 2025 Direct
E. Kevin Hrusovsky MASS Restricted Stock Units Options Exercise -100% -11,364 0 11 Jun 2025 Direct
Anthony Hunt MASS Common Stock Options Exercise 60.7% 11,364 30,085 11 Jun 2025 Direct
Anthony Hunt MASS Restricted Stock Units Options Exercise -100% -11,364 0 11 Jun 2025 Direct
Jeffrey P. George MASS Common Stock Options Exercise 73.6% 11,364 26,814 11 Jun 2025 Direct
Jeffrey P. George MASS Restricted Stock Units Options Exercise -100% -11,364 0 11 Jun 2025 Direct
Fenel M. Eloi MASS Common Stock Options Exercise 73.6% 11,364 26,814 11 Jun 2025 Direct
Fenel M. Eloi MASS Restricted Stock Units Options Exercise -100% -11,364 0 11 Jun 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.