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DEXCOM INC insider trading

DXCMNASDAQ
$85.36-0.87 (-1.01%)as of Oct 2, 2026

“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.” — Peter Lynch

Insider Trading vs Stock Price

Insider Trading vs Stock Price data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+28.5%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
DateCategoryPersonRoleActionAmountChange in holding
Open market purchase
Open market sell
Marker size reflects transaction size.

Net dollar flow · Buy / Sell balance

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Key players

  • JSJacob Steven LeachPresident, CEO, and Director0.1235%of company
  • ETEric TopolDirector0.1008%of company
  • KRKevin R. SayerExecutive Chair0.0801%of company
  • JMJereme M. SylvainEVP, Chief Financal Officer0.0389%of company
  • SSSadie SternEVP Chief People & Culture Off0.0327%of company
  • MJMichael Jon BrownEVP Chief Legal Compliance Off0.0265%of company
  • JCJon ColemanEVP, Chief Commercial Officer0.0253%of company
  • SRSteven R. AltmanDirector0.0183%of company
  • MGMark G. FolettaDirector0.0146%of company
  • RARichard Alexander CollinsDirector0.0121%of company

AI Activity Analysis

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Insider activity

Fromto
CompanyInsider / roleActionΔOwnAvg priceAmount
DXCMSadie SternEVP Chief People & Culture OffOpen market sell$221K-2.0%$86.15$221KSep 28, 2026Sep 30, 2026
DXCMNicholas AugustinosDirectorOpen market sell$550K-15.8%$84.04$550KSep 15, 2026Sep 16, 2026
DXCMMichael Jon BrownEVP Chief Legal Compliance OffOpen market sell$143K-1.7%$84.04$143KSep 15, 2026Sep 16, 2026
DXCMNicholas AugustinosDirectorOpen market sell$130K-3.6%$84.02$130KSep 14, 2026Sep 16, 2026
DXCMJereme M. SylvainEVP, Chief Financal OfficerOpen market sell$303K-2.4%$83.27$303KSep 10, 2026Sep 14, 2026
DXCMSadie SternEVP Chief People & Culture OffOpen market sell$227K-2.0%$88.37$227KAug 27, 2026Aug 28, 2026
DXCMKevin R. SayerExecutive ChairOpen market sell$8.87K0.0%$91.41$8.87KAug 20, 2026Aug 24, 2026
DXCMKevin R. SayerExecutive ChairOpen market sell$667K-2.4%$90.78$667KAug 20, 2026Aug 24, 2026
DXCMKevin R. SayerExecutive ChairOpen market sell$1.73M-5.9%$89.71$1.73MAug 20, 2026Aug 24, 2026
DXCMMichael Jon BrownEVP Chief Legal Compliance OffOpen market sell$156K-1.6%$91.93$156KAug 14, 2026Aug 17, 2026
DXCMBridgette P. HellerDirectorOpen market sell$89.3K-3.3%$88.29$89.3KAug 12, 2026Aug 13, 2026
DXCMMark G. FolettaDirectorOpen market sell$171K-3.5%$85.32$171KAug 3, 2026Aug 4, 2026
DXCMMark G. FolettaDirectorOpen market sell$160K-3.4%$80.00$160KJul 31, 2026Aug 4, 2026
DXCMKevin R. SayerExecutive ChairOpen market sell$2.04M-7.5%$76.32$2.04MJul 20, 2026Jul 21, 2026
DXCMMichael Jon BrownEVP Chief Legal Compliance OffOpen market sell$127K-1.6%$74.42$127KJul 15, 2026Jul 16, 2026
DXCMKevin R. SayerExecutive ChairOpen market sell$1.93M-7.0%$72.00$1.93MJul 6, 2026Jul 7, 2026
DXCMMichael Jon BrownEVP Chief Legal Compliance OffOpen market sell$128K-1.6%$75.55$128KJun 15, 2026Jun 17, 2026
DXCMMark G. FolettaDirectorOpen market sell$14.9K-0.3%$74.82$14.9KJun 15, 2026Jun 17, 2026
DXCMMark G. FolettaDirectorOpen market sell$282K-6.0%$74.10$282KJun 15, 2026Jun 17, 2026
DXCMJon ColemanEVP, Chief Commercial OfficerOpen market sell$364K-4.9%$74.13$364KJun 4, 2026Jun 5, 2026
DXCMJon ColemanEVP, Chief Commercial OfficerOpen market sell$359K-4.7%$73.00$359KJun 3, 2026Jun 5, 2026
DXCMKevin R. SayerExecutive ChairOpen market sell$1.93M-6.5%$72.00$1.93MMay 21, 2026May 26, 2026
DXCMMichael Jon BrownEVP, Chief Legal OfficerOpen market sell$102K-1.5%$59.91$102KMay 15, 2026May 19, 2026
DXCMBridgette P. HellerDirectorOpen market sell$60.7K-3.9%$60.01$60.7KMay 12, 2026May 14, 2026
DXCMMichael Jon BrownEVP, Chief Legal OfficerOpen market sell$107K-1.5%$63.04$107KApr 15, 2026Apr 16, 2026
DXCMMichael Jon BrownEVP, Chief Legal OfficerOpen market sell$110K-1.5%$64.85$110KMar 16, 2026Mar 18, 2026
DXCMBridgette P. HellerDirectorOpen market sell$68.8K-3.7%$68.01$68.8KFeb 12, 2026Feb 17, 2026
DXCMRichard Alexander CollinsDirectorOpen market sell$172K-6.8%$59.05$172KNov 14, 2025Nov 17, 2025
DXCMBridgette P. HellerDirectorOpen market sell$58.8K-3.6%$58.07$58.8KNov 12, 2025Nov 12, 2025
DXCMJacob Steven LeachPresident & COOOpen market purchase$139K+0.7%$55.43$139KNov 10, 2025Nov 10, 2025
DXCMJacob Steven LeachPresident & COOOpen market purchase$863K+4.4%$54.98$863KNov 10, 2025Nov 10, 2025
DXCMRichard Alexander CollinsDirectorOpen market sell$218K-8.4%$55.17$218KNov 10, 2025Nov 10, 2025
End of history · 32 transactions
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