MASS

908 Devices Inc.

Latest Form 4:Sale$125KbyGriffith Joseph H. IV (Chief Financial Officer) · filed Aug 27, 2026

908 Devices Inc. (MASS) has 44 SEC Form 4 filings (79 transaction rows) in the rolling window, disclosed by 6 distinct insiders. Most recent filing: Aug 27, 2026.

The most active filer is 10% Owner AWM Investment Company, Inc. with 13 filings. Insiders have net sold $8.1M over the trailing 6 months.

  • Industry:Medical - Specialties
  • CEO:Kevin J. Knopp
  • Employees:172
  • HQ:Burlington, MA, US
  • IPO:2020-12-18

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$8.5M

reported sales (SEC code S)

Unique Insiders

6

in the rolling window

Market Cap

$443.5M

latest known value

Source
Griffith Joseph H. IVFirst in 3 months
Sale$125KAug 27SEC ↗
Sale$89KAug 24SEC ↗
Sale$441KAug 24SEC ↗
Sale$77KAug 17SEC ↗
Sale$207KAug 17SEC ↗
Sale$3KAug 12SEC ↗
Sale$1.4MAug 12SEC ↗
Sale$28KAug 12SEC ↗
Sale$85KAug 12SEC ↗
Sale$77KAug 12SEC ↗
Sale$170KAug 7SEC ↗
Sale$418KAug 6SEC ↗
Sale$2KJul 7SEC ↗
Sale$20KJul 7SEC ↗
Sale$177KJul 2SEC ↗
Sale$25KJun 30SEC ↗
Knopp Kevin J.First in 5 months
Sale$31KJun 25SEC ↗
Knopp Kevin J.First in 5 months
Sale$370KJun 25SEC ↗
Knopp Kevin J.First in 5 months
Sale$149KJun 25SEC ↗
Sale$89KJun 25SEC ↗
Sale$42KJun 24SEC ↗
Sale$27KJun 24SEC ↗
Sale$900Jun 5SEC ↗
Sale$22KJun 4SEC ↗
Sale$357KJun 4SEC ↗
Sale$175KJun 4SEC ↗
Sale$136KMay 29SEC ↗
Sale$1.5MMay 29SEC ↗
Sale$270KMay 29SEC ↗
Griffith Joseph H. IVFirst in 4 months
Sale$63KMay 29SEC ↗
Sale$41KMay 13SEC ↗
Sale$148KMay 11SEC ↗
Sale$502KMay 8SEC ↗
Sale$105KMay 8SEC ↗
Sale$25KMay 8SEC ↗
Sale$145KMay 7SEC ↗
Kenneweg JohnFirst filing
Sale$53KMay 4SEC ↗
Sale$19KApr 14SEC ↗
Sale$131KApr 10SEC ↗
Sale$38KApr 10SEC ↗
Sale$106KApr 10SEC ↗
Sale$52KApr 10SEC ↗
Sale$124KApr 10SEC ↗
Sale$49Mar 5SEC ↗
Griffith Joseph H. IVFirst in 4 months
Sale$143KFeb 3SEC ↗
Knopp Kevin J.First filing
Sale$215KFeb 3SEC ↗
Sale$6KOct 6SEC ↗
Sale$39KOct 6SEC ↗
Sale$35KSep 23SEC ↗

Related companies

908 Devices Inc. is in the Manufacturing sector.