ITS
InsiderTrading
TradesInsidersCompaniesCluster BuysRankingsAbout
ITS
InsiderTrading Screener

Track SEC Form 4 insider trades. See what corporate insiders are buying and selling.

Browse

  • Trades
  • Insiders
  • Companies
  • Cluster Buys
  • Rankings

Top Insiders

  • Mark Zuckerberg
  • Elon Musk
  • Jamie Dimon
  • Satya Nadella
  • Lisa Su
  • Jensen Huang

Screeners

  • CEO & CFO Purchases
  • Director Purchases
  • Top Buys This Week
  • Top Sales This Week
  • 10b5-1 Trades
  • Buy/Sell Ratios
  • Politician Overlap
  • Sectors

Learn

  • Learn
  • What is a Form 4?
  • About & Methodology
  • What are Cluster Buys?
  • Top Insider Rankings
  • Contact Us
  • Privacy Policy
  • Terms of Use

Data

  • SEC EDGAR Form 4 ↗
  • CongressStock.com ↗
  • Track13F.com ↗
  • About the data
© 2026 InsiderTradingScreener.com. Data from SEC EDGAR Form 4 filings.For informational purposes only. Not financial advice.
Home/Companies/908 Devices Inc.

908 Devices Inc.

123 insider trades tracked

MASS
Insider trades
123
Bought (open market)
$0
Sold (open market)
$8.9M
Unique insiders
15

12-month activity

Monthly insider buy vs sell totals for 908 Devices Inc..

BuysSellsFilings with no price (gifts, grants)
Show data table
MonthBuysSellsFilings
October 2025$0$45K3
November 2025$0$00
December 2025$0$01
January 2026$0$00
February 2026$0$358K17
March 2026$0$491
April 2026$0$470K12
May 2026$0$3M14
June 2026$0$1.5M33
July 2026$0$22K2
August 2026$0$3.2M14
September 2026$0$317K1

Recent insider trades

Most recent Form 4 filings for 908 Devices Inc..

  • Brown Christopher D.sold30,000 shares ofMASSat $10.58$317KSep 2 · filed Sep 4Details
  • Griffith Joseph H. IVsold11,459 shares ofMASSat $10.95$125KAug 25 · filed Aug 27Details
  • AWM Investment Company, Inc.sold41,578 shares ofMASSat $10.61$441K

Insiders at this company

Executives and directors who have filed Form 4s.

  • Knopp Kevin J.26 trades
  • Brown Christopher D.23 trades
  • AWM Investment Company, Inc.15 trades
  • Griffith Joseph H. IV12 trades
  • Turner Michael S.8 trades
  • McCallion Kevin J.7 trades
  • Vann Brandi C5 trades
  • Spoto Mark5 trades

Explore insider screeners

Latest CEO & CFO PurchasesLatest CEO & CFO SalesDirector PurchasesOfficer PurchasesTop Purchases This WeekTop Sales This WeekTop Officer Buys (Month)10% Owner Filings10b5-1 Planned TradesDiscretionary TradesBuy/Sell RatiosPolitician-Insider Overlap
Aug 21
· filed Aug 24
Details
  • AWM Investment Company, Inc.sold8,422 shares ofMASSat $10.525$89KAug 20 · filed Aug 24Details
  • Knopp Kevin J.sold20,000 shares ofMASSat $10.35$207KAug 17Details
  • Knopp Kevin J.sold7,622 shares ofMASSat $10.06$77KAug 13 · filed Aug 17Details
  • Knopp Kevin J.sold2,747 shares ofMASSat $10.07$28KAug 12Details
  • Knopp Kevin J.sold30,170 shares ofMASSat $10.16$307KAug 11 · filed Aug 12Details
  • Knopp Kevin J.sold115,748 shares ofMASSat $9.83$1.1MAug 11 · filed Aug 12Details
  • Brown Christopher D.sold8,358 shares ofMASSat $9.23$77KAug 11 · filed Aug 12Details
  • Knopp Kevin J.sold348 shares ofMASSat $9.06$3KAug 10 · filed Aug 12Details
  • Brown Christopher D.sold9,442 shares ofMASSat $9.03$85KAug 10 · filed Aug 12Details
  • Brown Christopher D.sold20,000 shares ofMASSat $8.49$170KAug 5 · filed Aug 7Details
  • AWM Investment Company, Inc.sold50,000 shares ofMASSat $8.355$418KAug 4 · filed Aug 6Details
  • Vann Brandi Cexercised5,192 shares ofMASSAug 1 · filed Aug 3Details
  • Brown Christopher D.sold2,200 shares ofMASSat $9.02$20KJul 2 · filed Jul 7Details
  • Knopp Kevin J.sold222 shares ofMASSat $9.07$2KJul 2 · filed Jul 7Details
  • Brown Christopher D.sold20,000 shares ofMASSat $8.84$177KJun 30 · filed Jul 2Details
  • Knopp Kevin J.sold2,798 shares ofMASSat $9.09$25KJun 26 · filed Jun 30Details
  • Leonhart Michele M.exercised6,486 shares ofMASSJun 25Details
  • Knopp Kevin J.sold16,388 shares ofMASSat $9.1$149KJun 25Details
  • Knopp Kevin J.sold40,535 shares ofMASSat $9.14$370KJun 24 · filed Jun 25Details
  • Brown Christopher D.sold9,900 shares ofMASSat $9.04$89KJun 23 · filed Jun 25Details
  • Knopp Kevin J.sold3,422 shares ofMASSat $9.06$31KJun 23 · filed Jun 25Details
  • AWM Investment Company, Inc.sold3,050 shares ofMASSat $9.004$27KJun 23 · filed Jun 24Details
  • AWM Investment Company, Inc.sold4,668 shares ofMASSat $8.99$42KJun 22 · filed Jun 24Details
  • Vann Brandi Cgranted6,209 shares ofMASSat $0Jun 11 · filed Jun 12Details
  • Vann Brandi Cgranted13,656 shares ofMASSat $0Jun 11 · filed Jun 12Details
  • Leonhart Michele M.granted6,209 shares ofMASSat $0Jun 11 · filed Jun 12Details
  • Leonhart Michele M.granted13,656 shares ofMASSat $0Jun 11 · filed Jun 12Details
  • View all trades for MASS →
    Kenneweg John
    4 trades
  • Leonhart Michele M.4 trades
  • CRANDELL KEITH3 trades
  • ELOI FENEL M3 trades
  • HRUSOVSKY E KEVIN3 trades
  • Hunt Anthony3 trades
  • Otitoju Kolawole A.2 trades