LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
MASSCIK 0001555279

908 Devices Inc.

136 transactions by 14 insiders, from October 14, 2025 to October 7, 2026.

Transactions
13614 insiders
Bought · P
Nonenobody bought on the open market
Sold · S
$10.0Mopen market
Net
−$10.0Mnet selling

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

InsiderTradesPlannedBoughtSold
Christopher D. BrownDir2317/23—$2.2M
Kevin J. KnoppCEO2211/22—$2.6M
Joseph H. Griffith IVCFO143/14—$397K
John KennewegSVP149/14—$481K
Kevin J. McCallionSVP1010/10—$188K
Mark SpotoDir7———
Michele M. LeonhartDir6———
Keith CrandellDir4———
Fenel M. EloiDir4———
E. Kevin HrusovskyDir4———
Anthony HuntDir4———
Brandi C. VannDir4———
Kolawole A. OtitojuChief2———

Large holders and funds

Holders above 10%, often funds. They file the same form, but they trade for portfolio reasons, not because of what they know.

InsiderTradesPlannedBoughtSold
AWM Investment Company, Inc.10%18——$4.2M

All transactions

136 in total, newest filings first.

InsiderDateCodeSharesPriceValue
Christopher D. BrownDirDERIVOct 7MPLAN60,000$0.00—?
Christopher D. BrownDirOct 7MPLAN60,000$1.75$105K
Christopher D. BrownDirOct 7SPLAN30,000$11.89$357K
Joseph H. Griffith IVCFOOct 6SPLAN5,000$13.03$65K
AWM Investment Company, Inc.10%Sep 29S18,000$11.52$207K
AWM Investment Company, Inc.10%Sep 24S24,000$11.36$273K
AWM Investment Company, Inc.10%Sep 23S1,000$11.25$11K
John KennewegSVPDERIVSep 17MPLAN5,257$0.00—?
John KennewegSVPDERIVSep 16MPLAN21,399$0.00—?
John KennewegSVPDERIVSep 15MPLAN1,000$0.00—?
John KennewegSVPSep 17SPLAN5,257$10.22$54K
John KennewegSVPSep 17MPLAN5,257$0.96$5K
John KennewegSVPSep 16SPLAN21,399$10.11$216K
John KennewegSVPSep 16MPLAN21,399$0.96$21K
John KennewegSVPSep 15SPLAN1,000$10.00$10K
John KennewegSVPSep 15MPLAN1,000$0.96$960
Christopher D. BrownDirSep 2SPLAN30,000$10.58$317K
Joseph H. Griffith IVCFOAug 25SPLAN11,459$10.95$125K
AWM Investment Company, Inc.10%Aug 21S41,578$10.61$441K
AWM Investment Company, Inc.10%Aug 20S8,422$10.52$89K
Kevin J. KnoppCEOAug 17SPLAN20,000$10.35$207K
Kevin J. KnoppCEOAug 13SPLAN7,622$10.06$77K
Christopher D. BrownDirAug 11SPLAN8,358$9.23$77K
Christopher D. BrownDirAug 10SPLAN9,442$9.03$85K
Kevin J. KnoppCEOAug 12SPLAN2,747$10.07$28K
Kevin J. KnoppCEOAug 11SPLAN30,170$10.16$307K
Kevin J. KnoppCEOAug 11SPLAN115,748$9.83$1.1M
Kevin J. KnoppCEOAug 10SPLAN348$9.06$3K
Christopher D. BrownDirAug 5SPLAN20,000$8.49$170K
AWM Investment Company, Inc.10%Aug 4S50,000$8.36$418K
Brandi C. VannDirDERIVAug 1M5,192$0.00—?
Brandi C. VannDirAug 1M5,192——
Christopher D. BrownDirJul 2SPLAN2,200$9.02$20K
Kevin J. KnoppCEOJul 2SPLAN222$9.07$2K
Christopher D. BrownDirJun 30SPLAN20,000$8.84$177K
Kevin J. KnoppCEOJun 26SPLAN2,798$9.09$25K
Michele M. LeonhartDirDERIVJun 25M6,486$0.00—?
Michele M. LeonhartDirJun 25M6,486——
Christopher D. BrownDirJun 23SPLAN9,900$9.04$89K
Kevin J. KnoppCEOJun 25SPLAN16,388$9.10$149K
Kevin J. KnoppCEOJun 24SPLAN40,535$9.14$370K
Kevin J. KnoppCEOJun 23SPLAN3,422$9.06$31K
AWM Investment Company, Inc.10%Jun 23S3,050$9.00$27K
AWM Investment Company, Inc.10%Jun 22S4,668$8.99$42K
Brandi C. VannDirDERIVJun 11A6,209$0.00—?
Brandi C. VannDirDERIVJun 11A13,656$0.00—?
Michele M. LeonhartDirDERIVJun 11A6,209$0.00—?
Michele M. LeonhartDirDERIVJun 11A13,656$0.00—?
Michele M. LeonhartDirDERIVJun 10M14,083$0.00—?
Michele M. LeonhartDirJun 10M14,083——
Mark SpotoDirDERIVJun 11A6,209$0.00—?
Mark SpotoDirDERIVJun 11A13,656$0.00—?
Mark SpotoDirDERIVJun 10M14,083$0.00—?
Mark SpotoDirJun 10M14,083——
Anthony HuntDirDERIVJun 11A6,209$0.00—?
Anthony HuntDirDERIVJun 11A13,656$0.00—?
Anthony HuntDirDERIVJun 10M14,083$0.00—?
Anthony HuntDirJun 10M14,083——
E. Kevin HrusovskyDirDERIVJun 11A6,209$0.00—?
E. Kevin HrusovskyDirDERIVJun 11A13,656$0.00—?
E. Kevin HrusovskyDirDERIVJun 10M14,083$0.00—?
E. Kevin HrusovskyDirJun 10M14,083——
Fenel M. EloiDirDERIVJun 11A6,209$0.00—?
Fenel M. EloiDirDERIVJun 11A13,656$0.00—?
Fenel M. EloiDirDERIVJun 10M14,083$0.00—?
Fenel M. EloiDirJun 10M14,083——
Keith CrandellDirDERIVJun 11A6,209$0.00—?
Keith CrandellDirDERIVJun 11A13,656$0.00—?
Keith CrandellDirDERIVJun 10M14,083$0.00—?
Keith CrandellDirJun 10M14,083——
Christopher D. BrownDirJun 4SPLAN100$9.00$900
Christopher D. BrownDirJun 3SPLAN20,000$8.73$175K
AWM Investment Company, Inc.10%Jun 4S39,782$8.97$357K
AWM Investment Company, Inc.10%Jun 2S2,500$8.95$22K
Christopher D. BrownDirMay 28SPLAN30,000$9.00$270K
AWM Investment Company, Inc.10%May 28S170,442$8.66$1.5M
AWM Investment Company, Inc.10%May 27S15,000$8.25$124K
AWM Investment Company, Inc.10%May 27S1,500$8.25$12K
Joseph H. Griffith IVCFOMay 28SPLAN6,940$9.03$63K
AWM Investment Company, Inc.10%May 11S5,000$8.25$41K
John KennewegSVPMay 8S18,255$8.11$148K
AWM Investment Company, Inc.10%May 8S3,025$8.20$25K
AWM Investment Company, Inc.10%May 7S12,819$8.20$105K
AWM Investment Company, Inc.10%May 6S57,365$8.06$462K
AWM Investment Company, Inc.10%May 6S5,000$8.00$40K
Christopher D. BrownDirMay 6SPLAN20,000$7.23$145K
John KennewegSVPDERIVMay 1M26,042$0.00—?
John KennewegSVPMay 1S7,787$6.83$53K
John KennewegSVPMay 1M26,042——
John KennewegSVPDERIVApr 28A26,042$0.00—?
Kolawole A. OtitojuChiefDERIVApr 21A110,193$0.00—?
Kolawole A. OtitojuChiefDERIVApr 21A146,789$0.00—?
Kevin J. McCallionSVPDERIVApr 10MPLAN2,693$0.00—?
Kevin J. McCallionSVPApr 10SPLAN2,693$7.01$19K
Kevin J. McCallionSVPApr 10MPLAN2,693$1.05$3K
Kevin J. McCallionSVPDERIVApr 9MPLAN5,420$0.00—?
Kevin J. McCallionSVPDERIVApr 8MPLAN18,580$0.00—?
Kevin J. McCallionSVPApr 9SPLAN5,420$7.03$38K
Kevin J. McCallionSVPApr 9MPLAN5,420$1.05$6K
Kevin J. McCallionSVPApr 8SPLAN18,580$7.05$131K
Kevin J. McCallionSVPApr 8MPLAN18,580$1.05$20K
Christopher D. BrownDirApr 10SPLAN17,578$7.07$124K
Christopher D. BrownDirApr 9SPLAN7,392$7.04$52K
Christopher D. BrownDirApr 8SPLAN15,030$7.05$106K
Kevin J. McCallionSVPMar 2SPLAN7$7.00$49
Christopher D. BrownDirDERIVFeb 1M10,992$0.00—?
Christopher D. BrownDirDERIVFeb 1M7,418$0.00—?
Christopher D. BrownDirDERIVFeb 1M5,027$0.00—?
Christopher D. BrownDirFeb 1M10,992——
Christopher D. BrownDirFeb 1M7,418——
Christopher D. BrownDirFeb 1M5,027——
Mark SpotoDirDec 30G928$0.00—
Mark SpotoDirDec 30G928$0.00—
Mark SpotoDirOct 14W928$0.00—
Kevin J. KnoppCEODERIVFeb 2A90,043$0.00—?
Kevin J. KnoppCEODERIVFeb 2A205,978$0.00—?
Kevin J. KnoppCEODERIVFeb 1M66,288$0.00—?
Kevin J. KnoppCEODERIVFeb 1M17,007$0.00—?
Kevin J. KnoppCEODERIVFeb 1M13,449$0.00—?
Kevin J. KnoppCEODERIVFeb 1M11,255$0.00—?
Kevin J. KnoppCEOFeb 2S34,764$6.18$215K
Kevin J. KnoppCEOFeb 1M66,288——
Kevin J. KnoppCEOFeb 1M17,007——
Kevin J. KnoppCEOFeb 1M13,449——
Kevin J. KnoppCEOFeb 1M11,255——
Joseph H. Griffith IVCFODERIVFeb 2A52,967$0.00—?
Joseph H. Griffith IVCFODERIVFeb 2A121,164$0.00—?
Joseph H. Griffith IVCFODERIVFeb 1M43,473$0.00—?
Joseph H. Griffith IVCFODERIVFeb 1M11,260$0.00—?
Joseph H. Griffith IVCFODERIVFeb 1M10,306$0.00—?
Joseph H. Griffith IVCFODERIVFeb 1M5,102$0.00—?
Joseph H. Griffith IVCFOFeb 2S23,175$6.18$143K
Joseph H. Griffith IVCFOFeb 1M43,473——
Joseph H. Griffith IVCFOFeb 1M11,260——
Joseph H. Griffith IVCFOFeb 1M10,306——
Joseph H. Griffith IVCFOFeb 1M5,102——