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Dexcom Inc

DXCM
Exchange
Nasdaq
Industry
Surgical & Medical Instruments & Apparatus
SEC CIK
0001093557

In the last 90 days, Dexcom Inc insiders filed 0 open-market purchases and 11 sales; 975 institutions reported holding it in 13F filings for Q2 2026, worth $26.0B in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Dexcom Inc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
11 filings
7 insiders, $8.43M in total
Insiders trading
7
Net value
−$8.43M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Dexcom Inc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Dexcom Inc
NameTitleLast reported holdingLast filingFilings, past year
Augustinos NicholasDirector29,293IndirectSep 16, 20264
Brown Michael JonEVP Chief Legal Compliance Off99,885Sep 16, 202611
Sylvain Jereme MEVP, Chief Financal Officer146,828Sep 14, 20265
Boehnlein Glenn SDirector5,841Sep 10, 20261
Stern SadieEVP Chief People & Culture Off126,043Aug 28, 20265
Leach Jacob StevenPresident, CEO, and Director418,908Aug 25, 20265
Sayer Kevin RExecutive Chair302,214Aug 24, 20266
Heller Bridgette PDirector29,570Aug 13, 20265
Foletta Mark GDirector48,852IndirectAug 4, 20264
Coleman JonEVP, Chief Commercial Officer95,450Jun 5, 20263
Altman Steven RDirector5,565Jun 1, 20262
Gala Renee DDirector12,486Jun 1, 20261
Collins Richard AlexanderDirector5,605Jun 1, 20264
Malady KyleDirector28,242Jun 1, 20261
Driscoll RimmaDirector17,319Jun 1, 20261
Ashley Euan A.Director12,731Jun 1, 20262
Osterloh Albert Frederick IVDirector8,691Jun 1, 20262
Topol EricDirector380,545IndirectMay 12, 20250
Dahut Karen MDirector17,779IndirectMay 12, 20250
Dolan Matthew VincentEVP, Strategy & Corporate Dev42,044Jan 30, 20250
Kahn BarbaraDirector22,575IndirectMay 21, 20240
Lawver Teri LEVP Chief Commercial Officer66,641Mar 14, 20240
Regan Barry J.EVP Operations58,469Dec 19, 20230
Flynn Paul REVP Global Revenue48,949Dec 19, 20230
Pacelli Steven RobertEVP Managing Director Dexcom V124,775Nov 27, 20230
Naganathan GirishEVP Chief Technology Officer47,725Nov 27, 20230
Selvaraj Shelly RamasamySVP Chief Information Officer48,453Sep 12, 20230
Skyler Jay SDirector63,348IndirectMay 22, 20230
Balo Andrew KEVP Regulatory Strategy Clinic50,908Mar 14, 20230
Abbey DonaldEVP Global Business Services I208,023Mar 14, 20230
Patterson ChadEVP Global Marketing13,675May 10, 20220
Shrishrimal SumiSVP Chief Risk Officer13,789Mar 10, 20220
Murphy Patrick MichaelEVP, Chief Legal Officer16,254Sep 13, 20210
Blackford Quentin S.Chief Operating Officer19,280Sep 10, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 16, 2026 (view filing)4:26 PM ETSep 14-152 daysAugustinos NicholasDirectorSSale−8.09K$84.04−$679.8K−21.6%29.3K after2 lots10b5-1
Sep 16, 2026 (view filing)4:25 PM ETSep 151 dayBrown Michael JonEVP Chief Legal Compliance OffSSale−1.70K$84.04−$142.9K−1.7%99.9K after10b5-1
Sep 14, 2026 (view filing)4:02 PM ETSep 104 daysSylvain Jereme MEVP, Chief Financal OfficerSSale−3.64K$83.27−$302.9K−2.4%146.8K after10b5-1
Aug 28, 2026 (view filing)4:57 PM ETAug 271 dayStern SadieEVP Chief People & Culture OffSSale−2.56K$88.37−$226.7K−2.0%126.0K after10b5-1
Aug 24, 2026 (view filing)4:01 PM ETAug 204 daysSayer Kevin RExecutive ChairSSale−26.8K$90.01−$2.41M−8.1%302.2K after3 lots10b5-1
Aug 17, 2026 (view filing)4:08 PM ETAug 143 daysBrown Michael JonEVP Chief Legal Compliance OffSSale−1.70K$91.93−$156.3K−1.6%103.0K after10b5-1
Aug 13, 2026 (view filing)4:04 PM ETAug 121 dayHeller Bridgette PDirectorSSale−1.01K$88.29−$89.3K−3.3%29.6K after10b5-1
Aug 4, 2026 (view filing)4:38 PM ETJul 31-Aug 34 daysFoletta Mark GDirectorSSale−4.00K$82.66−$330.6K−7.6%48.9K after2 lots10b5-1
Jul 21, 2026 (view filing)4:58 PM ETJul 201 daySayer Kevin RExecutive ChairSSale−26.8K$76.32−$2.04M−7.5%329.0K after10b5-1
Jul 16, 2026 (view filing)5:06 PM ETJul 151 dayBrown Michael JonEVP Chief Legal Compliance OffSSale−1.70K$74.42−$126.5K−1.6%104.7K after10b5-1
Jul 7, 2026 (view filing)4:09 PM ETJul 61 daySayer Kevin RExecutive ChairSSale−26.8K$72.00−$1.93M−7.0%355.7K after10b5-1
Jun 17, 2026 (view filing)Jun 152 daysBrown Michael JonEVP Chief Legal Compliance OffSSale−1.70K$75.55−$128.4K−1.6%106.4K after10b5-1
Jun 17, 2026 (view filing)Jun 152 daysFoletta Mark GDirectorSSale−4.00K$74.14−$296.5K−7.0%52.9K after2 lots10b5-1
Jun 5, 2026 (view filing)Jun 3-42 daysColeman JonEVP, Chief Commercial OfficerSSale−9.82K$73.56−$722.6K−9.3%95.5K after2 lots10b5-1
May 26, 2026 (view filing)May 215 daysSayer Kevin RExecutive ChairSSale−26.8K$72.00−$1.93M−6.5%382.5K after10b5-1
May 19, 2026 (view filing)May 154 daysBrown Michael JonEVP, Chief Legal OfficerSSale−1.70K$59.91−$101.8K−1.5%109.5K after10b5-1
May 14, 2026 (view filing)May 122 daysHeller Bridgette PDirectorSSale−1.01K$60.01−$60.7K−3.9%25.0K after10b5-1
Apr 16, 2026 (view filing)Apr 151 dayBrown Michael JonEVP, Chief Legal OfficerSSale−1.70K$63.04−$107.2K−1.5%111.2K after10b5-1
Mar 18, 2026 (view filing)Mar 162 daysBrown Michael JonEVP, Chief Legal OfficerSSale−1.70K$64.85−$110.2K−1.5%112.9K after10b5-1
Feb 17, 2026 (view filing)Feb 125 daysHeller Bridgette PDirectorSSale−1.01K$68.01−$68.8K−3.7%26.0K after10b5-1
Nov 17, 2025 (view filing)Nov 143 daysCollins Richard AlexanderDirectorSSale−2.91K$59.05−$171.6K−7.6%35.1K after10b5-1
Nov 12, 2025 (view filing)Nov 12Same dayHeller Bridgette PDirectorSSale−1.01K$58.07−$58.8K−3.6%27.0K after10b5-1
Nov 10, 2025 (view filing)Nov 10Same dayLeach Jacob StevenPresident & COOPPurchase+18.2K$55.04+$1.00M+5.8%331.7K after2 lots
Nov 10, 2025 (view filing)Nov 10Same dayCollins Richard AlexanderDirectorSSale−3.95K$55.17−$217.8K−9.4%38.0K after10b5-1
Sep 9, 2025 (view filing)Sep 54 daysMalady KyleDirectorSSale−667$80.86−$53.9K−2.9%22.7K after10b5-1
Sep 8, 2025 (view filing)Sep 44 daysStern SadieEVP, Chief HR OfficerSSale−1.47K$80.00−$117.3K−1.4%105.2K after10b5-1
Sep 4, 2025 (view filing)Sep 22 daysSylvain Jereme MEVP, Chief Financal OfficerSSale−4.82K$74.17−$357.8K−3.9%118.7K after10b5-1
Aug 18, 2025 (view filing)Aug 153 daysBrown Michael JonEVP, Chief Legal OfficerSSale−500$80.29−$40.1K−0.5%94.1K after10b5-1
Aug 18, 2025 (view filing)Aug 153 daysFoletta Mark GDirectorSSale−2.75K$81.06−$222.9K−5.1%51.1K after2 lots10b5-1
Jul 29, 2025 (view filing)Jul 281 dayStern SadieEVP, Chief HR OfficerSSale−1.47K$88.99−$130.5K−1.4%106.7K after10b5-1
Jul 17, 2025 (view filing)Jul 152 daysFoletta Mark GDirectorSSale−2.75K$85.17−$234.2K−4.9%53.9K after2 lots10b5-1
Jul 17, 2025 (view filing)Jul 152 daysBrown Michael JonEVP, Chief Legal OfficerSSale−500$86.03−$43.0K−0.5%94.6K after10b5-1
Jun 30, 2025 (view filing)Jun 264 daysStern SadieEVP, Chief HR OfficerSSale−1.47K$85.06−$124.7K−1.3%108.2K after10b5-1
Jun 18, 2025 (view filing)Jun 162 daysFoletta Mark GDirectorSSale−2.75K$83.13−$228.6K−4.6%56.6K after10b5-1
Jun 18, 2025 (view filing)Jun 162 daysBrown Michael JonEVP, Chief Legal OfficerSSale−500$82.80−$41.4K−0.5%95.1K after10b5-1
Jun 17, 2025 (view filing)Jun 13-164 daysAugustinos NicholasDirectorSSale−6.29K$82.34−$517.9K−15.8%33.4K after2 lots10b5-1
May 28, 2025 (view filing)May 271 dayStern SadieEVP, Chief HR OfficerSSale−6.18K$85.11−$526.3K−5.3%109.6K after10b5-1
May 28, 2025 (view filing)May 235 daysBrown Michael JonEVP, Chief Legal OfficerSSale−10.0K$84.28−$842.8K−9.5%95.6K after10b5-1
Mar 19, 2025 (view filing)Mar 172 daysHeller Bridgette PDirectorSSale−352$70.33−$24.8K−1.5%23.0K after10b5-1
Mar 14, 2025 (view filing)Mar 122 daysLeach Jacob StevenEVP, Chief Operating OfficerSSale−14.1K$70.38−$990.7K−4.3%313.5K after
Mar 14, 2025 (view filing)Mar 122 daysBrown Michael JonEVP, Chief Legal OfficerSSale−13.0K$70.38−$914.9K−11.0%105.6K after
Mar 14, 2025 (view filing)Mar 122 daysSylvain Jereme MEVP, Chief Financal OfficerSSale−12.0K$70.38−$844.6K−8.9%123.5K after
Mar 14, 2025 (view filing)Mar 122 daysStern SadieEVP, Chief HR OfficerSSale−11.2K$70.38−$786.6K−8.8%115.8K after
Mar 14, 2025 (view filing)Mar 122 daysSayer Kevin RChairman, CEO & PresidentSSale−32.5K$70.38−$2.29M−8.0%372.0K after
Mar 11, 2025 (view filing)Mar 101 daySylvain Jereme MEVP, Chief Financal OfficerSSale−7.00K$73.83−$516.8K−4.9%135.5K after3 lots10b5-1
Jan 30, 2025 (view filing)Jan 291 daySylvain Jereme MEVP, Chief Financal OfficerSSale−2.09K$86.91−$181.6K−2.4%83.5K after
Jan 30, 2025 (view filing)Jan 291 dayDolan Matthew VincentEVP, Strategy & Corporate DevSSale−1.18K$86.91−$102.8K−2.7%42.0K after
Jan 30, 2025 (view filing)Jan 291 dayStern SadieEVP, Chief HR OfficerSSale−2.09K$86.91−$181.9K−2.7%74.3K after
Jan 30, 2025 (view filing)Jan 291 dayLeach Jacob StevenEVP, Chief Operating OfficerSSale−2.63K$86.91−$228.9K−1.0%268.6K after
Jan 30, 2025 (view filing)Jan 291 daySayer Kevin RChairman, CEO & PresidentSSale−33.4K$86.91−$2.90M−9.5%319.0K after