908 Devices Inc. (MASS) Insider Ownership

Historic Insider Ownership Trends

As of March 23, 2026, 908 Devices's top three insider holders are Christopher D. Brown (Director, 985.56K shares), Kevin J. Knopp (President And Ceo, 795.97K shares), E Kevin Hrusovsky (Director, 151.31K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Christopher D. Brown 985,559 0 03 Feb, 2026
Kevin J. Knopp President And Ceo 795,968 0 03 Feb, 2026
E Kevin Hrusovsky 151,307 0 13 Jun, 2025
Joseph H. Iv Griffith Chief Financial Officer 139,896 0 03 Feb, 2026
Trent A. Basarsky Vp, Corporate Development 80,000 0 28 Apr, 2022
Mark Spoto 74,335 0 13 Jun, 2025
Kevin J. Mccallion Svp, Products And Production 44,925 0 04 Mar, 2026
Anthony Hunt 30,085 0 13 Jun, 2025
Jeffrey P. George 26,814 0 13 Jun, 2025
Fenel M Eloi 26,814 0 13 Jun, 2025
Marcia Eisenberg 25,957 0 13 Jun, 2025
Keith Crandell 25,291 0 13 Jun, 2025
Nicolas Barthelemy 15,379 0 17 Jun, 2022
Nicolas Barthelemy Vp, Corporate Development 0 13,541 25 Jun, 2021
Michele M. Leonhart 6,485 0 27 Jun, 2025
Maura Fitzpatrick Vp, Product Management Mktg 2,834 0 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 Mar, 2026 Kevin J. Mccallion Common Stock A 7 $1.05 44,932 D M
02 Mar, 2026 Kevin J. Mccallion Common Stock D 7 $7.00 44,918 D S
02 Mar, 2026 Kevin J. Mccallion Common Stock D 7 $7.00 44,925 D S
02 Mar, 2026 Kevin J. Mccallion Stock Option (right to buy) D 7 $0.00 26,686 D M
01 Feb, 2026 Joseph H. Iv Griffith Common Stock A 5,102 - 98,032 D M
01 Feb, 2026 Christopher D. Brown Common Stock A 5,027 - 967,149 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 Christopher D. Brown Common Stock A 7,418 - 974,567 D M
01 Feb, 2026 Joseph H. Iv Griffith Common Stock A 10,306 - 108,338 D M
01 Feb, 2026 Kevin J. Knopp Common Stock A 17,007 - 764,444 D M
01 Feb, 2026 Joseph H. Iv Griffith Common Stock A 11,260 - 119,598 D M
01 Feb, 2026 Christopher D. Brown Common Stock A 10,992 - 985,559 D M
01 Feb, 2026 Joseph H. Iv Griffith Common Stock A 43,473 - 163,071 D M
01 Feb, 2026 Christopher D. Brown Restricted Stock Units D 5,027 $0.00 0 D M
01 Feb, 2026 Kevin J. Knopp Common Stock A 66,288 - 830,732 D M
02 Feb, 2026 Kevin J. Knopp Common Stock D 34,764 $6.18 795,968 D S
02 Feb, 2026 Joseph H. Iv Griffith Common Stock D 23,175 $6.18 139,896 D S
01 Feb, 2026 Christopher D. Brown Restricted Stock Units D 7,418 $0.00 7,418 D M
01 Feb, 2026 Christopher D. Brown Restricted Stock Units D 10,992 $0.00 21,982 D M