908 Devices Inc. (MASS) Insider Ownership

Historic Insider Ownership Trends

Data spanning the past 90 days through February 19, 2026 reveals that 908 Devices's three principal insider shareholders consist of Director Christopher D. Brown (985.56K shares), President And Ceo Kevin J. Knopp (795.97K shares), Director E Kevin Hrusovsky (151.31K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Christopher D. Brown 985,559 03 Feb, 2026
Kevin J. Knopp President And Ceo 795,968 03 Feb, 2026
E Kevin Hrusovsky 151,307 13 Jun, 2025
Joseph H. Iv Griffith Chief Financial Officer 139,896 03 Feb, 2026
Trent A. Basarsky Vp And Corporate Development 80,000 28 Apr, 2022
Mark Spoto 74,335 13 Jun, 2025
Anthony Hunt 30,085 13 Jun, 2025
Nicolas Barthelemy 28,920 17 Jun, 2022
Jeffrey P. George 26,814 13 Jun, 2025
Fenel M Eloi 26,814 13 Jun, 2025
Marcia Eisenberg 25,957 13 Jun, 2025
Keith Crandell 25,291 13 Jun, 2025
Michele M. Leonhart 6,485 27 Jun, 2025
Maura Fitzpatrick Vp And Product Management & Mktg 2,834 03 Feb, 2023

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
02 Feb, 2026 Joseph H. Iv Griffith Common Stock D 23,175 $6.18 139,896 D S
02 Feb, 2026 Kevin J. Knopp Common Stock D 34,764 $6.18 795,968 D S
01 Feb, 2026 Joseph H. Iv Griffith Common Stock A 11,260 - 119,598 D M
01 Feb, 2026 Joseph H. Iv Griffith Common Stock A 43,473 - 163,071 D M
01 Feb, 2026 Joseph H. Iv Griffith Common Stock A 10,306 - 108,338 D M
01 Feb, 2026 Joseph H. Iv Griffith Common Stock A 5,102 - 98,032 D M
01 Feb, 2026 Kevin J. Knopp Common Stock A 11,255 - 733,988 D M
01 Feb, 2026 Kevin J. Knopp Common Stock A 13,449 - 747,437 D M
01 Feb, 2026 Kevin J. Knopp Common Stock A 17,007 - 764,444 D M
01 Feb, 2026 Kevin J. Knopp Common Stock A 66,288 - 830,732 D M
01 Feb, 2026 Christopher D. Brown Common Stock A 10,992 - 985,559 D M
01 Feb, 2026 Christopher D. Brown Common Stock A 7,418 - 974,567 D M
01 Feb, 2026 Christopher D. Brown Common Stock A 5,027 - 967,149 D M
03 Oct, 2025 Joseph H. Iv Griffith Common Stock D 4,292 $9.05 92,930 D S
02 Oct, 2025 Joseph H. Iv Griffith Common Stock D 708 $9.04 97,222 D S
19 Sep, 2025 Joseph H. Iv Griffith Common Stock D 5,000 $7.07 97,930 D S
25 Jun, 2025 Michele M. Leonhart Common Stock A 6,485 - 6,485 D M
25 Jun, 2025 Michele M. Leonhart - - 6,485 D
18 Jun, 2025 Michael S. Turner - - 0 D
18 Jun, 2025 Michael S. Turner Common Stock D 1,373 $7.50 0 D S