908 DEVICES INC (MASS) Stock Ownership

USA • Nasdaq • NASDAQ:MASS • US65443P1021

6.77 USD
-0.12 (-1.74%)
At close: Feb 10, 2026
6.77 USD
0 (0%)
After Hours: 2/10/2026, 4:04:34 PM
MASS Ownership Chart.MASS Ownership Chart: showing Insider, Institutional ownership and shares available to the public.MASS Ownership.InsiderInstitutionalPublic



Shares Outstanding36.19M
Float33.18M
Float Short Interest Percentage10.02%
Owners (insider)5.6%
Owners (institutional)90.99%
Owners (insider) change0.74%
Owners (institutional) change2.16%
MASS Institutional Ownership HistoryMASS Institutional Ownership HistoryMASS Institutional Ownership History Dec 2021 Jun 2022 Dec 2022 Jun 2023 Dec 2023 Jun 2024 Dec 2024 Jun 2025 Dec 2025 5M 10M 15M 20M 25M
MASS Historical Insider Transactions ChartMASS Historical Insider Buy and Sell Transactions ChartMASS Historical Insider Transactions Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 0 50K -50K 100K 150K 200K
Date Name Type Shares Price Amount
Feb 2, 2026 Knopp Kevin J. Open Market Sale 34764 6.18 $ 214,841.52
Feb 2, 2026 Griffith Joseph H. IV Open Market Sale 23175 6.18 $ 143,221.50
Feb 1, 2026 Brown Christopher D. Option Excercise 23437 $ 0.00
Feb 1, 2026 Knopp Kevin J. Option Excercise 107999 $ 0.00
Feb 1, 2026 Griffith Joseph H. IV Option Excercise 70141 $ 0.00
Oct 2, 2025 Griffith Joseph H. IV Open Market Sale 5000 9.05 $ 45,246.81
Sep 19, 2025 Griffith Joseph H. IV Open Market Sale 5000 7.07 $ 35,338.50
Jun 25, 2025 Leonhart Michele M. Option Excercise 6485 $ 0.00
Jun 16, 2025 Turner Michael S. Open Market Sale 24603 7.51 $ 184,788.93
Jun 11, 2025 HRUSOVSKY E KEVIN Option Excercise 11364 $ 0.00
Jun 11, 2025 Hunt Anthony Option Excercise 11364 $ 0.00
Jun 11, 2025 ELOI FENEL M Option Excercise 11364 $ 0.00
Jun 11, 2025 George Jeffrey P. Option Excercise 11364 $ 0.00
Jun 11, 2025 Eisenberg Marcia Option Excercise 11364 $ 0.00
Jun 11, 2025 CRANDELL KEITH Option Excercise 11364 $ 0.00
Jun 11, 2025 Spoto Mark Option Excercise 11364 $ 0.00
Jun 4, 2025 Griffith Joseph H. IV Open Market Sale 6940 7.08 $ 49,135.20
May 15, 2025 Knopp Kevin J. Open Market Purchase 15000 4.44 $ 66,595.50
May 14, 2025 Knopp Kevin J. Open Market Purchase 15000 4.32 $ 64,788.00
May 14, 2025 Spoto Mark Open Market Purchase 10000 4.29 $ 42,850.00
Mar 2, 2025 Hunt Anthony Option Excercise 2058 $ 0.00