MetaCap

DexCom Insider Trades

NASDAQ: DXCMHealth CareMedical/Dental InstrumentsUSD

83.51-0.90 (-1.07%)

Market open · Delayed 15 min · as of Oct 9, 2:53 PM ET

Last 12 months

Purchases
0 · $0
Sales
24 · $11.89M
Shares bought / sold
0 / 152.23K
Net activity
Net selling $11.9 million

DexCom insider activity

Over the last 12 months, DexCom insiders reported 47 transactions on SEC Form 4: 0 open-market purchases and 24 sales. Insiders bought $0 and sold $11.9 million worth of stock, for net insider selling of $11.9 million. The largest seller was SAYER KEVIN R, with $8.3 million in reported sales.

The most recent filing shows Stern Sadie (EVP Chief People & Culture Off) selling 2,565 shares at $86.15 on Sep 28, 2026. Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put DXCM's ownership changes in context.

Summary generated from market data by MetaCap's automated system. Methodology

DXCM insider transactions

DexCom insider transactions
DateInsiderTypeSharesValueFiling
Sep 28, 2026Stern SadieEVP Chief People & Culture OffSale2,565$220.97KForm 4
Sep 15, 2026AUGUSTINOS NICHOLASDirectorSale6,539$549.54KForm 4
Sep 15, 2026Brown Michael JonEVP Chief Legal Compliance OffSale1,700$142.87KForm 4
Sep 14, 2026AUGUSTINOS NICHOLASDirectorSale1,550$130.23KForm 4
Sep 10, 2026Boehnlein Glenn SDirectorAward5,841—Form 4
Sep 10, 2026Sylvain Jereme MEVP, Chief Financal OfficerSale3,638$302.94KForm 4
Aug 27, 2026Stern SadieEVP Chief People & Culture OffSale2,565$226.67KForm 4
Aug 22, 2026Brown Michael JonEVP Chief Legal Compliance OffTax withholding1,451$133.99KForm 4
Aug 22, 2026Stern SadieEVP Chief People & Culture OffTax withholding1,451$133.99KForm 4
Aug 22, 2026Sylvain Jereme MEVP, Chief Financal OfficerTax withholding1,451$133.99KForm 4
Aug 22, 2026Leach Jacob StevenPresident, CEO, and DirectorTax withholding1,451$133.99KForm 4
Aug 20, 2026SAYER KEVIN RExecutive ChairSale97$8.87KForm 4
Aug 20, 2026SAYER KEVIN RExecutive ChairSale7,351$667.33KForm 4
Aug 20, 2026SAYER KEVIN RExecutive ChairSale19,308$1.73MForm 4
Aug 14, 2026Brown Michael JonEVP Chief Legal Compliance OffSale1,700$156.28KForm 4
Aug 12, 2026Heller Bridgette PDirectorSale1,012$89.35KForm 4
Aug 12, 2026AUGUSTINOS NICHOLASDirectorGift1,075—Form 4
Aug 3, 2026FOLETTA MARK GDirectorSale2,000$170.64KForm 4
Jul 31, 2026FOLETTA MARK GDirectorSale2,000$160.00KForm 4
Jul 20, 2026SAYER KEVIN RExecutive ChairSale26,756$2.04MForm 4
Jul 15, 2026Brown Michael JonEVP Chief Legal Compliance OffSale1,700$126.51KForm 4
Jul 6, 2026SAYER KEVIN RExecutive ChairSale26,756$1.93MForm 4
Jun 15, 2026FOLETTA MARK GDirectorSale199$14.89KForm 4
Jun 15, 2026FOLETTA MARK GDirectorSale3,801$281.65KForm 4
Jun 15, 2026Brown Michael JonEVP Chief Legal Compliance OffSale1,700$128.44KForm 4
Jun 4, 2026Coleman JonEVP, Chief Commercial OfficerSale4,911$364.05KForm 4
Jun 3, 2026Coleman JonEVP, Chief Commercial OfficerSale4,912$358.58KForm 4
May 28, 2026AUGUSTINOS NICHOLASDirectorAward5,575—Form 4
May 28, 2026Collins Richard AlexanderDirectorAward5,605—Form 4
May 28, 2026Ashley Euan A.DirectorAward5,565—Form 4
May 28, 2026GALA RENEE DDirectorAward5,605—Form 4
May 28, 2026Osterloh Albert Frederick IVDirectorAward1,630—Form 4
May 28, 2026FOLETTA MARK GDirectorAward6,331—Form 4
May 28, 2026Driscoll RimmaDirectorAward5,605—Form 4
May 28, 2026Malady KyleDirectorAward5,575—Form 4
May 28, 2026Heller Bridgette PDirectorAward5,575—Form 4
May 28, 2026ALTMAN STEVEN RDirectorAward5,565—Form 4
May 22, 2026Coleman JonEVP, Chief Commercial OfficerTax withholding7,362$529.33KForm 4
May 22, 2026Sylvain Jereme MEVP, Chief Financal OfficerTax withholding1,451$104.33KForm 4
May 22, 2026Brown Michael JonEVP Chief Legal Compliance OffTax withholding1,451$104.33KForm 4
May 22, 2026Stern SadieEVP Chief People & Culture OffTax withholding1,451$104.33KForm 4
May 22, 2026Leach Jacob StevenPresident, CEO, and DirectorTax withholding1,451$104.33KForm 4
May 21, 2026SAYER KEVIN RExecutive ChairSale26,759$1.93MForm 4
May 15, 2026Brown Michael JonEVP, Chief Legal OfficerSale1,700$101.85KForm 4
May 12, 2026Heller Bridgette PDirectorSale1,012$60.73KForm 4
May 8, 2026AUGUSTINOS NICHOLASDirectorGift5,046—Form 4
May 8, 2026AUGUSTINOS NICHOLASDirectorGift5,046—Form 4

Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4

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