DXCM
DEXCOM INC · Healthcare · Market cap $30.3B
Insiders sold $4.7M net in the last 90 days ·7 sellers, 0 buyers· 12 of 12 sales under Rule 10b5-1 plans· latest Form 4 filed Oct 19, 2026
Insider Buying
$1.0M
reported purchases (SEC code P)
Insider Selling
$12.8M
reported sales (SEC code S)
Unique Insiders
10
in the rolling window
Latest filing
Oct 19, 2026
Brown Michael Jon
DEXCOM INC (DXCM) has 64 SEC Form 4 filings (85 transaction rows) in the rolling window, disclosed by 10 distinct insiders. Most recent filing: Oct 19, 2026.
Inside the rolling window, 10 insiders at DEXCOM INC reported 1 open-market purchase totaling $1.0M and 28 open-market sales totaling $12.8M. The most active filer is EVP Chief Legal Compliance Off Brown Michael Jon with 8 filings. Insiders have net sold $12.0M over the trailing 6 months. The most recent open-market filing is a sale of 1,700 shares by EVP Chief Legal Compliance Off Brown Michael Jon, dated Oct 15, 2026, worth $145K.
- Industry:Medical - Devices
- CEO:Jacob Steven Leach
- Employees:11,050
- HQ:San Diego, CA, US
- IPO:2005-04-14
| Source | |||||||
|---|---|---|---|---|---|---|---|
| EVP Chief Legal Compliance Off | Sale | 1,700 | $145K | Oct 19 | -6.7% | SEC ↗ | |
| EVP Chief People & Culture Off | Sale | 2,565 | $221K | Sep 30 | -7.0% | SEC ↗ | |
AUGUSTINOS NICHOLASFirst filing | Director | Sale | 1,550 | $130K | Sep 16 | -8.1% | SEC ↗ |
AUGUSTINOS NICHOLASFirst filing | Director | Sale | 6,539 | $550K | Sep 16 | -8.1% | SEC ↗ |
| EVP Chief Legal Compliance Off | Sale | 1,700 | $143K | Sep 16 | -8.1% | SEC ↗ | |
Sylvain Jereme MFirst filing | EVP, Chief Financal Officer | Sale | 3,638 | $303K | Sep 14 | -5.2% | SEC ↗ |
Stern SadieFirst filing | EVP Chief People & Culture Off | Sale | 2,565 | $227K | Aug 28 | -11.6% | SEC ↗ |
| Executive Chair | Sale | 26,756 | $2.4M | Aug 24 | -11.9% | SEC ↗ | |
| EVP Chief Legal Compliance Off | Sale | 1,700 | $156K | Aug 17 | — | SEC ↗ | |
Heller Bridgette PFirst in 3 months | Director | Sale | 1,012 | $89K | Aug 13 | — | SEC ↗ |
| Director | Sale | 2,000 | $160K | Aug 4 | — | SEC ↗ | |
| Director | Sale | 2,000 | $171K | Aug 4 | — | SEC ↗ | |
| Executive Chair | Sale | 26,756 | $2.0M | Jul 21 | — | SEC ↗ | |
| EVP Chief Legal Compliance Off | Sale | 1,700 | $127K | Jul 16 | — | SEC ↗ | |
| Executive Chair | Sale | 26,756 | $1.9M | Jul 7 | — | SEC ↗ | |
FOLETTA MARK GFirst filing | Director | Sale | 4,000 | $297K | Jun 17 | — | SEC ↗ |
| EVP Chief Legal Compliance Off | Sale | 1,700 | $128K | Jun 17 | — | SEC ↗ | |
Coleman JonFirst filing | EVP, Chief Commercial Officer | Sale | 4,912 | $359K | Jun 5 | — | SEC ↗ |
Coleman JonFirst filing | EVP, Chief Commercial Officer | Sale | 4,911 | $364K | Jun 5 | — | SEC ↗ |
SAYER KEVIN RFirst filing | Executive Chair | Sale | 26,759 | $1.9M | May 26 | — | SEC ↗ |
| EVP, Chief Legal Officer | Sale | 1,700 | $102K | May 19 | — | SEC ↗ | |
| Director | Sale | 1,012 | $61K | May 14 | — | SEC ↗ | |
| EVP, Chief Legal Officer | Sale | 1,700 | $107K | Apr 16 | — | SEC ↗ | |
Brown Michael JonFirst filing | EVP, Chief Legal Officer | Sale | 1,700 | $110K | Mar 18 | — | SEC ↗ |
Heller Bridgette PFirst in 3 months | Director | Sale | 1,012 | $69K | Feb 17 | — | SEC ↗ |
Earnings: last 7 quarters
Congress trading DXCM 55 all-time
- DRep. Ro KhannaPurchase$1,001 - $15,0002026-05-01
- DRep. Ro KhannaPurchase$1,001 - $15,0002026-04-13
- RSen. John BoozmanPurchase$1,001 - $15,0002026-01-26
- RSen. John BoozmanPurchase$1,001 - $15,0002026-01-26
- DRep. Ro KhannaPurchase$1,001 - $15,0002026-01-29
- RRep. Michael T. McCaulPurchase$1,001 - $15,0002025-09-22
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does DXCM have?
DEXCOM INC (DXCM) has 64 SEC Form 4 filings (85 transaction rows) in the rolling 365-day window, disclosed by 10 distinct insiders. Most recent filing: Oct 19, 2026.
When was the most recent SEC Form 4 filing for DXCM?
The most recent Form 4 filing for DXCM on Tracefour is dated Oct 19, 2026.
Who is the most active insider at DXCM?
The most active SEC Form 4 filer at DXCM in the rolling window is EVP Chief Legal Compliance Off Brown Michael Jon, with 8 filings.
What is the net insider flow at DXCM over the last 6 months?
Over the trailing 180 days, insiders at DXCM have net sold $12.0M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at DXCM in the current window?
Inside the rolling window, insiders at DXCM bought $1.0M and sold $12.8M based on SEC Form 4 filings.
Can I get alerts for DXCM insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at DEXCOM INC (DXCM). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
DEXCOM INC is in the Healthcare sector.