908 DEVICES INC (MASS) Stock Ownership

NASDAQ:MASS • US65443P1021

Current stock price

6.96 USD
-0.07 (-1%)
At close:
6.96 USD
0 (0%)
After Hours:

MASS Ownership information

MASS Ownership Chart.MASS Ownership Chart: showing Insider, Institutional ownership and shares available to the public.MASS Ownership.InsiderInstitutionalPublic



Shares Outstanding37.38M
Float33.95M
Float Short Interest Percentage11.05%
Owners (insider)6.54%
Owners (institutional)89.65%
Owners (insider) change0.79%
Owners (institutional) change0%
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 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 Mar 2026 Apr 2026 0 50K -50K 100K 150K 200K
DateNameTypeSharesPriceAmount
Mar 2, 2026McCallion Kevin J.Open Market Sale77.00$ 49.00
Mar 2, 2026McCallion Kevin J.Option Excercise71.05$ 7.35
Mar 2, 2026McCallion Kevin J.Open Market Sale77.00$ 49.00
Feb 2, 2026Knopp Kevin J.Open Market Sale347646.18$ 214,841.52
Feb 2, 2026Griffith Joseph H. IVOpen Market Sale231756.18$ 143,221.50
Feb 1, 2026Brown Christopher D.Option Excercise23437$ 0.00
Feb 1, 2026Knopp Kevin J.Option Excercise107999$ 0.00
Feb 1, 2026Griffith Joseph H. IVOption Excercise70141$ 0.00
Oct 2, 2025Griffith Joseph H. IVOpen Market Sale50009.05$ 45,246.81
Sep 19, 2025Griffith Joseph H. IVOpen Market Sale50007.07$ 35,338.50
Jun 25, 2025Leonhart Michele M.Option Excercise6485$ 0.00
Jun 16, 2025Turner Michael S.Open Market Sale246037.51$ 184,788.93
Jun 11, 2025CRANDELL KEITHOption Excercise11364$ 0.00
Jun 11, 2025Spoto MarkOption Excercise11364$ 0.00
Jun 11, 2025HRUSOVSKY E KEVINOption Excercise11364$ 0.00
Jun 11, 2025Hunt AnthonyOption Excercise11364$ 0.00
Jun 11, 2025ELOI FENEL MOption Excercise11364$ 0.00
Jun 11, 2025George Jeffrey P.Option Excercise11364$ 0.00
Jun 11, 2025Eisenberg MarciaOption Excercise11364$ 0.00
Jun 4, 2025Griffith Joseph H. IVOpen Market Sale69407.08$ 49,135.20
May 15, 2025Knopp Kevin J.Open Market Purchase150004.44$ 66,595.50
May 14, 2025Knopp Kevin J.Open Market Purchase150004.32$ 64,788.00
May 14, 2025Spoto MarkOpen Market Purchase100004.29$ 42,850.00