Logo image of MASS

908 DEVICES INC (MASS) Stock Ownership and Short Interest

USA - NASDAQ:MASS - US65443P1021 - Common Stock

8.86 USD
-0.13 (-1.45%)
Last: 10/21/2025, 11:02:31 AM
MASS Ownership Chart.MASS Ownership Chart: showing Insider, Institutional ownership and shares available to the public.MASS Ownership.InsiderInstitutionalPublic



Shares Outstanding36.09M
Float33.07M
Float Short Interest Percentage5.68%
Owners (insider)5.64%
Owners (institutional)83.42%
Owners (insider) change0.47%
Owners (institutional) change0.16%
MASS Institutional Ownership HistoryMASS Institutional Ownership HistoryMASS Institutional Ownership History Dec 2021 Mar 2022 Jun 2022 Sep 2022 Dec 2022 Mar 2023 Jun 2023 Sep 2023 Dec 2023 Mar 2024 Jun 2024 Sep 2024 Dec 2024 Mar 2025 Jun 2025 Sep 2025 5M 10M 15M 20M
MASS Historical Insider Transactions ChartMASS Historical Insider Buy and Sell Transactions ChartMASS Historical Insider Transactions Nov 2024 Dec 2024 Jan 2025 Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 0 50K 100K 150K 200K
Date Name Type Shares Price Amount
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
Feb 3, 2025 Griffith Joseph H. IV Open Market Sale 10236 2.34 $ 23,984.72
Feb 3, 2025 Turner Michael S. Open Market Sale 9672 2.33 $ 22,498.90
Feb 3, 2025 Knopp Kevin J. Open Market Sale 16001 2.32 $ 37,109.45
Feb 3, 2025 Brown Christopher D. Open Market Sale 7767 2.34 $ 18,190.74
Feb 1, 2025 Griffith Joseph H. IV Option Excercise 26669 $ 0.00
Feb 1, 2025 Turner Michael S. Option Excercise 25170 $ 0.00
Feb 1, 2025 Knopp Kevin J. Option Excercise 41709 $ 0.00
Feb 1, 2025 Brown Christopher D. Option Excercise 23436 $ 0.00
Dec 19, 2024 Brown Christopher D. Option Excercise 55131 1.58 $ 87,106.98
Dec 13, 2024 Knopp Kevin J. Option Excercise 158044 1.63 $ 257,770.58