Company Insider Tape

908 Devices Inc insider transactions

Executive and director filing history, acquisition and disposal balance, executive concentration, cadence, and stored market context.

Symbol MASS Latest filing 2 Jul 2026

Company Read

Net disposal

MASS has 60 stored insider filings. Acquisitions account for 41.7% of classified filings and disposals account for 58.3%. The largest stored filing is $1.5M from AWM, INVESTMENT COMPANY, INC..

Latest filing 2 Jul 2026most recent stored row
Largest filing $1.5Mreported transaction value
Total filings 60stored transaction rows
Acquisition value $025 acquisitions
Disposal value $4.5M35 disposals
Net value $-4.5Macquisitions minus disposals

Filing cadence

Last 12 active months
Apr 2026 3
May 2026 15
Jun 2026 40
Jul 2026 2

Acquisitions 41.7% · Disposals 58.3%

Apr 2026 $0
May 2026 $3.0M
Jun 2026 $1.5M
Jul 2026 $21.9K

Executive concentration

By filing count
AWM, INVESTMENT COMPANY, INC. 10% Owner · 12 filings
BROWN, CHRISTOPHER D. Director · 7 filings
LEONHART, MICHELE M. Director · 6 filings
KNOPP, KEVIN J. Director, President and CEO · 5 filings
KENNEWEG, JOHN SVP, Sales & Product Marketing · 5 filings
HUNT, ANTHONY Director · 4 filings
CRANDELL, KEITH Director · 4 filings
ELOI, FENEL M Director · 4 filings

Market Context

MASS weekly market snapshot

Week 31 Jul 2026
Latest close 8.01 USDstored weekly close
1-week move +12.2%latest weekly bar
13-week move -7.8%medium-term context
Relative Strength 5.9Sharemaestro indicator
Fair value gap +36.1%price vs fair value
Trend signal 1smoothed trend state

Transaction History

Latest insider filings for MASS

Showing 31-60 of 60
Date 10 Jun 2026
Insider LEONHART, MICHELE M.Director
Side Acquisition
Shares 14083
Price -
Value -
Security Common Stock
Date 10 Jun 2026
Insider SPOTO, MARKDirector
Side Acquisition
Shares 14083
Price -
Value -
Security Common Stock
Date 10 Jun 2026
Insider CRANDELL, KEITHDirector
Side Disposal
Shares 14083
Price 0.00
Value 0
Security Restricted Stock Units
Date 10 Jun 2026
Insider ELOI, FENEL MDirector
Side Disposal
Shares 14083
Price 0.00
Value 0
Security Restricted Stock Units
Date 10 Jun 2026
Insider HRUSOVSKY, E KEVINDirector
Side Disposal
Shares 14083
Price 0.00
Value 0
Security Restricted Stock Units
Date 10 Jun 2026
Insider HUNT, ANTHONYDirector
Side Disposal
Shares 14083
Price 0.00
Value 0
Security Restricted Stock Units
Date 10 Jun 2026
Insider LEONHART, MICHELE M.Director
Side Disposal
Shares 14083
Price 0.00
Value 0
Security Restricted Stock Units
Date 10 Jun 2026
Insider SPOTO, MARKDirector
Side Disposal
Shares 14083
Price 0.00
Value 0
Security Restricted Stock Units
Date 4 Jun 2026
Insider AWM, INVESTMENT COMPANY, INC.10% Owner
Side Disposal
Shares 39782
Price 8.97
Value 356856
Security 908 DEVICES, INC.
Date 4 Jun 2026
Insider BROWN, CHRISTOPHER D.Director
Side Disposal
Shares 100
Price 9.00
Value 900
Security Common Stock
Date 3 Jun 2026
Insider BROWN, CHRISTOPHER D.Director
Side Disposal
Shares 20000
Price 8.73
Value 174600
Security Common Stock
Date 2 Jun 2026
Insider AWM, INVESTMENT COMPANY, INC.10% Owner
Side Disposal
Shares 2500
Price 8.95
Value 22375
Security 908 DEVICES, INC.
Date 28 May 2026
Insider AWM, INVESTMENT COMPANY, INC.10% Owner
Side Disposal
Shares 170442
Price 8.66
Value 1475925
Security 908 DEVICES, INC.
Date 28 May 2026
Insider BROWN, CHRISTOPHER D.Director
Side Disposal
Shares 30000
Price 9.00
Value 270000
Security Common Stock
Date 28 May 2026
Insider GRIFFITH, JOSEPH H. IVChief Financial Officer
Side Disposal
Shares 6940
Price 9.03
Value 62668
Security Common Stock
Date 27 May 2026
Insider AWM, INVESTMENT COMPANY, INC.10% Owner
Side Disposal
Shares 15000
Price 8.25
Value 123791
Security 908 DEVICES, INC.
Date 27 May 2026
Insider AWM, INVESTMENT COMPANY, INC.10% Owner
Side Disposal
Shares 1500
Price 8.25
Value 12375
Security 908 DEVICES, INC.
Date 11 May 2026
Insider AWM, INVESTMENT COMPANY, INC.10% Owner
Side Disposal
Shares 5000
Price 8.25
Value 41257
Security Common Stock
Date 8 May 2026
Insider KENNEWEG, JOHNSVP, Sales & Product Marketing
Side Disposal
Shares 18255
Price 8.11
Value 148048
Security Common Stock
Date 8 May 2026
Insider AWM, INVESTMENT COMPANY, INC.10% Owner
Side Disposal
Shares 3025
Price 8.20
Value 24805
Security 908 DEVICES, INC.
Date 7 May 2026
Insider AWM, INVESTMENT COMPANY, INC.10% Owner
Side Disposal
Shares 12819
Price 8.20
Value 105170
Security 908 DEVICES, INC.
Date 6 May 2026
Insider AWM, INVESTMENT COMPANY, INC.10% Owner
Side Disposal
Shares 57365
Price 8.06
Value 462155
Security 908 DEVICES, INC.
Date 6 May 2026
Insider BROWN, CHRISTOPHER D.Director
Side Disposal
Shares 20000
Price 7.23
Value 144600
Security Common Stock
Date 6 May 2026
Insider AWM, INVESTMENT COMPANY, INC.10% Owner
Side Disposal
Shares 5000
Price 8.00
Value 40000
Security 908 DEVICES, INC.
Date 1 May 2026
Insider KENNEWEG, JOHNSVP, Sales & Product Marketing
Side Acquisition
Shares 26042
Price -
Value -
Security Common Stock
Date 1 May 2026
Insider KENNEWEG, JOHNSVP, Sales & Product Marketing
Side Disposal
Shares 7787
Price 6.83
Value 53185
Security Common Stock
Date 1 May 2026
Insider KENNEWEG, JOHNSVP, Sales & Product Marketing
Side Disposal
Shares 26042
Price 0.00
Value 0
Security Performance Stock Units
Date 28 Apr 2026
Insider KENNEWEG, JOHNSVP, Sales & Product Marketing
Side Acquisition
Shares 26042
Price 0.00
Value 0
Security Performance Stock Units
Date 21 Apr 2026
Insider OTITOJU, KOLAWOLE A.Chief Bus. & Strategy Officer
Side Acquisition
Shares 110193
Price 0.00
Value 0
Security Restricted Stock Units
Date 21 Apr 2026
Insider OTITOJU, KOLAWOLE A.Chief Bus. & Strategy Officer
Side Acquisition
Shares 146789
Price 0.00
Value 0
Security Stock Option (right to buy)