908 Devices Inc. reports stock sale
- Christopher D. Brown sold 30,000 shares at $11.89
- Brown acquired 60,000 shares at $1.75
- Brown holds 745,559 shares directly
Christopher D. Brown, reporting
MASS
908 Devices Inc. SEC filings
Every EDGAR filing for 908 Devices Inc. (MASS), newest first, with AI summaries and stories.
- Ticker
- MASS
- CIK
- 1555279
- Latest filing
- Oct 9
Next: earnings expected ~Nov 9 · 10-Q expected ~Nov 9 (deadline Nov 16)
Insider activity
No open-market insider buys in the last 30 days.
Also: 3 open-market sales ($491K), 2 planned 10b5-1 sales ($422K), 1 grant or exercise.
Filings
Every filing, newest first. MAJOR and NOTABLE filings lead the app's feed; ROUTINE ones are kept here.
ROUTINE4908 Devices Inc.MASSLIVE ROUTINE4908 Devices Inc.MASSLIVE 908 Devices Inc. reports stock sale
- Joseph H. Griffith sold 5,000 shares on 10/06/2026
- Price per share was $13.03
- He now holds 116,497 shares directly
Joseph H. Griffith IV, reporting
ROUTINE144908 Devices Inc.MASSLIVE 908 Devices Inc. files Form 144
- Filer: Joseph Griffith
- 5,000 shares to be sold
- Date of sale: 10/06/2026
Joseph H. Griffith IV, reporting
ROUTINE4908 Devices Inc.MASSLIVE AWM Investment Company, Inc., insider filing for MASS
AWM Investment Company, Inc.
ROUTINE4908 Devices Inc.MASSLIVE AWM Investment Company, Inc., insider filing for MASS
AWM Investment Company, Inc., reporting
ROUTINE4908 Devices Inc.MASSLIVE John Kenneweg, insider filing for MASS
John Kenneweg, reporting
ROUTINE144908 Devices Inc.MASSLIVE John Kenneweg, planned sale of MASS shares
John Kenneweg, reporting
ROUTINE4908 Devices Inc.MASSLIVE Christopher D. Brown, insider filing for MASS
Christopher D. Brown, reporting
ROUTINE4908 Devices Inc.MASSLIVE Joseph H. Griffith IV, insider filing for MASS
Joseph H. Griffith IV, reporting
ROUTINE144908 Devices Inc.MASSLIVE Joseph H. Griffith IV, planned sale of MASS shares
Joseph H. Griffith IV, reporting
ROUTINE4908 Devices Inc.MASSLIVE AWM Investment Company, Inc., insider filing for MASS
AWM Investment Company, Inc., reporting
ROUTINE4908 Devices Inc.MASSLIVE Kevin J. Knopp, insider filing for MASS
Kevin J. Knopp, reporting
ROUTINE144908 Devices Inc.MASSLIVE Kevin J. Knopp, planned sale of MASS shares
Kevin J. Knopp, reporting
ROUTINESCHEDULE 13G/A908 Devices Inc.MASSLIVE Ownership stake disclosure by ARCH Venture Fund VII, L.P. (amended)
ARCH Venture Fund VII, L.P., filed by
ROUTINESCHEDULE 13G/A908 Devices Inc.MASSLIVE 2 13G filings
Ownership stake disclosure by ARK Investment Management LLC (amended)
Show all 2
- SCHEDULE 13G/AOwnership stake disclosure (amended)
- SCHEDULE 13G/AOwnership stake disclosure (amended)
ARK Investment Management LLC, filed by
ROUTINE4908 Devices Inc.MASSLIVE 2 insider filings
Kevin J. Knopp, insider filing for MASS
Show all 2
- 4Insider filing for MASS
- 4Insider filing for MASS
Kevin J. Knopp, reporting
ROUTINE144908 Devices Inc.MASSLIVE Kevin J. Knopp, planned sale of MASS shares
Kevin J. Knopp, reporting
NOTABLE10-Q908 Devices Inc.MASSLIVE ROUTINE8-K908 Devices Inc.MASSLIVE ROUTINE144908 Devices Inc.MASSLIVE Christopher D. Brown, planned sale of MASS shares
Christopher D. Brown, reporting
ROUTINE4908 Devices Inc.MASSLIVE Christopher D. Brown, insider filing for MASS
Christopher D. Brown, reporting
ROUTINE4908 Devices Inc.MASSLIVE AWM Investment Company, Inc., insider filing for MASS
AWM Investment Company, Inc., reporting
ROUTINE4908 Devices Inc.MASSLIVE Brandi C Vann, insider filing for MASS
Brandi C Vann, reporting
ROUTINESCHEDULE 13G908 Devices Inc.MASSLIVE Ownership stake disclosure by BlackRock, Inc.
BlackRock, Inc., filed by
ROUTINE8-K908 Devices Inc.MASSLIVE ROUTINE4908 Devices Inc.MASSLIVE 2 insider filings
Kevin J. Knopp, insider filing for MASS
Show all 2
- 4Insider filing for MASS
- 4Insider filing for MASS
Kevin J. Knopp, reporting
ROUTINE4908 Devices Inc.MASSLIVE Christopher D. Brown, insider filing for MASS
Christopher D. Brown, reporting
ROUTINE4908 Devices Inc.MASSLIVE Kevin J. Knopp, insider filing for MASS
Kevin J. Knopp, reporting
ROUTINE4908 Devices Inc.MASSLIVE 2 insider filings
Kevin J. Knopp, insider filing for MASS
Show all 2
- 4Insider filing for MASS
- 4Insider filing for MASS
Kevin J. Knopp, reporting
ROUTINE4908 Devices Inc.MASSLIVE Michele M. Leonhart, insider filing for MASS
Michele M. Leonhart, reporting
ROUTINE4908 Devices Inc.MASSLIVE AWM Investment Company, Inc., insider filing for MASS
AWM Investment Company, Inc., reporting
ROUTINE144908 Devices Inc.MASSLIVE Kevin J. Knopp, planned sale of MASS shares
Kevin J. Knopp, reporting
ROUTINE4908 Devices Inc.MASSLIVE 7 insider filings
Brandi C Vann, insider filing for MASS
Show all 7
- 4Insider filing for MASS
- 4Insider filing for MASS
- 4Insider filing for MASS
- 4Insider filing for MASS
- 4Insider filing for MASS
- 4Insider filing for MASS
- 4Insider filing for MASS
Brandi C Vann, reporting
ROUTINE8-K908 Devices Inc.MASSLIVE ROUTINE4908 Devices Inc.MASSLIVE Christopher D. Brown, insider filing for MASS
Christopher D. Brown, reporting
ROUTINESCHEDULE 13G/A908 Devices Inc.MASSLIVE Ownership stake disclosure by ARK Investment Management LLC (amended)
ARK Investment Management LLC, filed by
ROUTINE4908 Devices Inc.MASSLIVE 2 insider filings
AWM Investment Company, Inc., insider filing for MASS
Show all 2
- 4Insider filing for MASS
- 4Insider filing for MASS
AWM Investment Company, Inc., reporting
ROUTINE144908 Devices Inc.MASSLIVE Christopher D. Brown, planned sale of MASS shares
Christopher D. Brown, reporting
ROUTINE4908 Devices Inc.MASSLIVE AWM Investment Company, Inc., insider filing for MASS
AWM Investment Company, Inc., reporting