About this data
What it is
When a company's officers, directors or owners of more than 10% buy or sell its stock, they must report the trade to the SEC on Form 4. This feed shows purchases and sales on the open market; stock grants, option exercises and shares withheld for tax are left out.
Who files it
The insider, usually through the company, within two business days of the trade.
How current
We collect new filings throughout the day on SEC business days.
Worth knowing
Sales are often routine: insiders sell to diversify, to pay taxes, or under a 10b5-1 plan set up months in advance. A purchase with their own money is less common, which is why many investors pay closer attention to it.

All of this comes from public filings.

Open-market trades per day, last 30 days

05001,000Oct 17 · Purchases: 0Oct 17 · Sales: 0Oct 17Oct 18 · Purchases: 0Oct 18 · Sales: 0Oct 19 · Purchases: 29Oct 19 · Sales: 159Oct 20 · Purchases: 45Oct 20 · Sales: 209Oct 21 · Purchases: 38Oct 21 · Sales: 183Oct 21Oct 22 · Purchases: 50Oct 22 · Sales: 130Oct 23 · Purchases: 77Oct 23 · Sales: 126Oct 24 · Purchases: 1Oct 24 · Sales: 0Oct 25 · Purchases: 0Oct 25 · Sales: 0Oct 25Oct 26 · Purchases: 60Oct 26 · Sales: 171Oct 27 · Purchases: 27Oct 27 · Sales: 217Oct 28 · Purchases: 44Oct 28 · Sales: 135Oct 29 · Purchases: 35Oct 29 · Sales: 199Oct 29Oct 30 · Purchases: 68Oct 30 · Sales: 270Oct 31 · Purchases: 3Oct 31 · Sales: 0Nov 1 · Purchases: 2Nov 1 · Sales: 0Nov 2 · Purchases: 79Nov 2 · Sales: 826Nov 2Nov 3 · Purchases: 66Nov 3 · Sales: 337Nov 4 · Purchases: 67Nov 4 · Sales: 535Nov 5 · Purchases: 108Nov 5 · Sales: 458Nov 6 · Purchases: 137Nov 6 · Sales: 390Nov 6Nov 7 · Purchases: 0Nov 7 · Sales: 0Nov 8 · Purchases: 0Nov 8 · Sales: 0Nov 9 · Purchases: 110Nov 9 · Sales: 457Nov 10 · Purchases: 97Nov 10 · Sales: 406Nov 10Nov 11 · Purchases: 98Nov 11 · Sales: 330Nov 12 · Purchases: 54Nov 12 · Sales: 167Nov 13 · Purchases: 23Nov 13 · Sales: 28Nov 14 · Purchases: 0Nov 14 · Sales: 0Nov 14Nov 15 · Purchases: 0Nov 15 · Sales: 0
05001,000Oct 17 · Purchases: 0Oct 17 · Sales: 0Oct 17Oct 18 · Purchases: 0Oct 18 · Sales: 0Oct 19 · Purchases: 29Oct 19 · Sales: 159Oct 20 · Purchases: 45Oct 20 · Sales: 209Oct 21 · Purchases: 38Oct 21 · Sales: 183Oct 21Oct 22 · Purchases: 50Oct 22 · Sales: 130Oct 23 · Purchases: 77Oct 23 · Sales: 126Oct 24 · Purchases: 1Oct 24 · Sales: 0Oct 25 · Purchases: 0Oct 25 · Sales: 0Oct 25Oct 26 · Purchases: 60Oct 26 · Sales: 171Oct 27 · Purchases: 27Oct 27 · Sales: 217Oct 28 · Purchases: 44Oct 28 · Sales: 135Oct 29 · Purchases: 35Oct 29 · Sales: 199Oct 29Oct 30 · Purchases: 68Oct 30 · Sales: 270Oct 31 · Purchases: 3Oct 31 · Sales: 0Nov 1 · Purchases: 2Nov 1 · Sales: 0Nov 2 · Purchases: 79Nov 2 · Sales: 826Nov 2Nov 3 · Purchases: 66Nov 3 · Sales: 337Nov 4 · Purchases: 67Nov 4 · Sales: 535Nov 5 · Purchases: 108Nov 5 · Sales: 458Nov 6 · Purchases: 137Nov 6 · Sales: 390Nov 6Nov 7 · Purchases: 0Nov 7 · Sales: 0Nov 8 · Purchases: 0Nov 8 · Sales: 0Nov 9 · Purchases: 110Nov 9 · Sales: 457Nov 10 · Purchases: 97Nov 10 · Sales: 406Nov 10Nov 11 · Purchases: 98Nov 11 · Sales: 330Nov 12 · Purchases: 54Nov 12 · Sales: 167Nov 13 · Purchases: 23Nov 13 · Sales: 28Nov 14 · Purchases: 0Nov 14 · Sales: 0Nov 14Nov 15 · Purchases: 0Nov 15 · Sales: 0

Purchases Sales

By trade date. Insiders have two business days to file, so the most recent days fill in later.

Latest open-market insider trades

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Showing: ticker DXCM

Latest open-market insider trades
TradedInsiderCompanyTypeSharesPriceValueFiling
Oct 27, 2026Sadie Stern
EVP Chief People & Culture Off
DXCM
DexCom, Inc.
Sale2,565$78.62$201.7K SaleForm 4 ↗
Oct 15, 2026Michael Jon Brown
EVP Chief Legal Compliance Off
DXCM
DexCom, Inc.
Sale1,700$85.48$145.3K SaleForm 4 ↗
Sep 28, 2026Sadie Stern
EVP Chief People & Culture Off
DXCM
DexCom, Inc.
Sale2,565$86.15$221.0K SaleForm 4 ↗
Sep 15, 2026Nicholas Augustinos
Director
DXCM
DexCom, Inc.
Sale6,539$84.04$549.5K SaleForm 4 ↗
Sep 15, 2026Michael Jon Brown
EVP Chief Legal Compliance Off
DXCM
DexCom, Inc.
Sale1,700$84.04$142.9K SaleForm 4 ↗
Sep 14, 2026Nicholas Augustinos
Director
DXCM
DexCom, Inc.
Sale1,550$84.02$130.2K SaleForm 4 ↗
Sep 10, 2026Jereme M. Sylvain
EVP, Chief Financal Officer
DXCM
DexCom, Inc.
Sale3,638$83.27$302.9K SaleForm 4 ↗
Aug 27, 2026Sadie Stern
EVP Chief People & Culture Off
DXCM
DexCom, Inc.
Sale2,565$88.37$226.7K SaleForm 4 ↗
Aug 20, 2026Kevin R. Sayer
Executive Chair, Director
DXCM
DexCom, Inc.
Sale97$91.41$8,867 SaleForm 4 ↗
Aug 20, 2026Kevin R. Sayer
Executive Chair, Director
DXCM
DexCom, Inc.
Sale7,351$90.78$667.3K SaleForm 4 ↗
Aug 20, 2026Kevin R. Sayer
Executive Chair, Director
DXCM
DexCom, Inc.
Sale19,308$89.71$1.7M SaleForm 4 ↗
Aug 14, 2026Michael Jon Brown
EVP Chief Legal Compliance Off
DXCM
DexCom, Inc.
Sale1,700$91.93$156.3K SaleForm 4 ↗
Aug 12, 2026Bridgette P. Heller
Director
DXCM
DexCom, Inc.
Sale1,012$88.29$89.3K SaleForm 4 ↗
Aug 3, 2026Mark G. Foletta
Director
DXCM
DexCom, Inc.
Sale2,000$85.32$170.6K SaleForm 4 ↗
Jul 31, 2026Mark G. Foletta
Director
DXCM
DexCom, Inc.
Sale2,000$80.00$160.0K SaleForm 4 ↗
Jul 20, 2026Kevin R. Sayer
Executive Chair, Director
DXCM
DexCom, Inc.
Sale26,756$76.32$2.0M SaleForm 4 ↗
Jul 15, 2026Michael Jon Brown
EVP Chief Legal Compliance Off
DXCM
DexCom, Inc.
Sale1,700$74.42$126.5K SaleForm 4 ↗
Jul 6, 2026Kevin R. Sayer
Executive Chair, Director
DXCM
DexCom, Inc.
Sale26,756$72.00$1.9M SaleForm 4 ↗
Jun 15, 2026Michael Jon Brown
EVP Chief Legal Compliance Off
DXCM
DexCom, Inc.
Sale1,700$75.55$128.4K SaleForm 4 ↗
Jun 15, 2026Mark G. Foletta
Director
DXCM
DexCom, Inc.
Sale199$74.82$14.9K SaleForm 4 ↗
Jun 15, 2026Mark G. Foletta
Director
DXCM
DexCom, Inc.
Sale3,801$74.10$281.7K SaleForm 4 ↗
Jun 4, 2026Jon Coleman
EVP, Chief Commercial Officer
DXCM
DexCom, Inc.
Sale4,911$74.13$364.1K SaleForm 4 ↗
Jun 3, 2026Jon Coleman
EVP, Chief Commercial Officer
DXCM
DexCom, Inc.
Sale4,912$73.00$358.6K SaleForm 4 ↗
May 21, 2026Kevin R. Sayer
Executive Chair, Director
DXCM
DexCom, Inc.
Sale26,759$72.00$1.9M SaleForm 4 ↗
May 15, 2026Michael Jon Brown
EVP, Chief Legal Officer
DXCM
DexCom, Inc.
Sale1,700$59.91$101.8K SaleForm 4 ↗
May 12, 2026Bridgette P. Heller
Director
DXCM
DexCom, Inc.
Sale1,012$60.01$60.7K SaleForm 4 ↗
Apr 15, 2026Michael Jon Brown
EVP, Chief Legal Officer
DXCM
DexCom, Inc.
Sale1,700$63.04$107.2K SaleForm 4 ↗
Mar 16, 2026Michael Jon Brown
EVP, Chief Legal Officer
DXCM
DexCom, Inc.
Sale1,700$64.85$110.2K SaleForm 4 ↗
Feb 12, 2026Bridgette P. Heller
Director
DXCM
DexCom, Inc.
Sale1,012$68.01$68.8K SaleForm 4 ↗
Nov 14, 2025Richard Alexander Collins
Director
DXCM
DexCom, Inc.
Sale2,906$59.05$171.6K SaleForm 4 ↗
Nov 12, 2025Bridgette P. Heller
Director
DXCM
DexCom, Inc.
Sale1,012$58.07$58.8K SaleForm 4 ↗
Nov 10, 2025Jacob Steven Leach
President & COO
DXCM
DexCom, Inc.
Buy2,500$55.43$138.6K BuyForm 4 ↗
Nov 10, 2025Jacob Steven Leach
President & COO
DXCM
DexCom, Inc.
Buy15,700$54.98$863.2K BuyForm 4 ↗
Nov 10, 2025Richard Alexander Collins
Director
DXCM
DexCom, Inc.
Sale3,948$55.17$217.8K SaleForm 4 ↗
Sep 5, 2025Kyle Malady
Director
DXCM
DexCom, Inc.
Sale667$80.86$53.9K SaleForm 4 ↗
Sep 4, 2025Sadie Stern
EVP, Chief HR Officer
DXCM
DexCom, Inc.
Sale1,466$80.00$117.3K SaleForm 4 ↗
Sep 2, 2025Jereme M. Sylvain
EVP, Chief Financal Officer
DXCM
DexCom, Inc.
Sale4,824$74.17$357.8K SaleForm 4 ↗
Aug 15, 2025Michael Jon Brown
EVP, Chief Legal Officer
DXCM
DexCom, Inc.
Sale500$80.29$40.1K SaleForm 4 ↗
Aug 15, 2025Mark G. Foletta
Director
DXCM
DexCom, Inc.
Sale195$81.54$15.9K SaleForm 4 ↗
Aug 15, 2025Mark G. Foletta
Director
DXCM
DexCom, Inc.
Sale2,555$81.02$207.0K SaleForm 4 ↗
Jul 28, 2025Sadie Stern
EVP, Chief HR Officer
DXCM
DexCom, Inc.
Sale1,466$88.99$130.5K SaleForm 4 ↗
Jul 15, 2025Mark G. Foletta
Director
DXCM
DexCom, Inc.
Sale8$86.03$688 SaleForm 4 ↗
Jul 15, 2025Mark G. Foletta
Director
DXCM
DexCom, Inc.
Sale2,742$85.17$233.5K SaleForm 4 ↗
Jul 15, 2025Michael Jon Brown
EVP, Chief Legal Officer
DXCM
DexCom, Inc.
Sale500$86.03$43.0K SaleForm 4 ↗
Jun 26, 2025Sadie Stern
EVP, Chief HR Officer
DXCM
DexCom, Inc.
Sale1,466$85.06$124.7K SaleForm 4 ↗
Jun 16, 2025Mark G. Foletta
Director
DXCM
DexCom, Inc.
Sale2,750$83.13$228.6K SaleForm 4 ↗
Jun 16, 2025Michael Jon Brown
EVP, Chief Legal Officer
DXCM
DexCom, Inc.
Sale500$82.80$41.4K SaleForm 4 ↗
Jun 16, 2025Nicholas Augustinos
Director
DXCM
DexCom, Inc.
Sale3,672$82.80$304.0K SaleForm 4 ↗
Jun 13, 2025Nicholas Augustinos
Director
DXCM
DexCom, Inc.
Sale2,618$81.69$213.9K SaleForm 4 ↗
May 27, 2025Sadie Stern
EVP, Chief HR Officer
DXCM
DexCom, Inc.
Sale6,184$85.11$526.3K SaleForm 4 ↗

The newest 50 items, most recent first. Every row links to its original filing. Updated Nov 15, 2026, 5:14 PM EST.

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