DXCM
DexCom, Inc.
NASDAQ · USHealthcareMedical - Devices
$76.79+0.18%
Price as of Jul 20, 2026
DXCM ownership
DexCom, Inc. ownership & insider activity
Latest available institutional positioning and SEC Form 4 insider transactions, coalesced at the company entity level when listings share coverage.
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
10
Net (3m)
-$5.3M
Insider trades by month Buys Sells
Feb
Mar
Apr
May
Jun
Jul
Context3-month price +18.6%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jul 16, 2026 | Brown Michael Jonofficer: EVP Chief Legal Compliance Off | Sell | 1,700 | $74.42 |
| Jul 7, 2026 | SAYER KEVIN Rdirector, officer: Executive Chair | Sell | 26,756 | $72.00 |
| Jun 17, 2026 | FOLETTA MARK Gdirector | Sell | 3,801 | $74.10 |
| Jun 17, 2026 | Brown Michael Jonofficer: EVP Chief Legal Compliance Off | Sell | 1,700 | $75.55 |
| Jun 17, 2026 | FOLETTA MARK Gdirector | Sell | 199 | $74.82 |
| Jun 5, 2026 | Coleman Jonofficer: EVP, Chief Commercial Officer | Sell | 4,912 | $73.00 |
| Jun 5, 2026 | Coleman Jonofficer: EVP, Chief Commercial Officer | Sell | 4,911 | $74.13 |
| Jun 1, 2026 | ALTMAN STEVEN Rdirector | Grant | 5,565 | — |
| Jun 1, 2026 | AUGUSTINOS NICHOLASdirector | Grant | 5,575 | — |
| Jun 1, 2026 | GALA RENEE Ddirector | Grant | 5,605 | — |
| Jun 1, 2026 | Osterloh Albert Frederick IVdirector | Grant | 1,630 | — |
| Jun 1, 2026 | Heller Bridgette Pdirector | Grant | 5,575 | — |
| Jun 1, 2026 | Malady Kyledirector | Grant | 5,575 | — |
| Jun 1, 2026 | Collins Richard Alexanderdirector | Grant | 5,605 | — |
| Jun 1, 2026 | Driscoll Rimmadirector | Grant | 5,605 | — |
| Jun 1, 2026 | Ashley Euan A.director | Grant | 5,565 | — |
| Jun 1, 2026 | FOLETTA MARK Gdirector | Grant | 6,331 | — |
| May 27, 2026 | Coleman Jonofficer: EVP, Chief Commercial Officer | Tax | 7,362 | $71.90 |
| May 27, 2026 | Sylvain Jereme Mofficer: EVP, Chief Financal Officer | Tax | 1,451 | $71.90 |
| May 27, 2026 | Leach Jacob Stevendirector, officer: President, CEO, and Director | Tax | 1,451 | $71.90 |
| May 27, 2026 | Brown Michael Jonofficer: EVP Chief Legal Compliance Off | Tax | 1,451 | $71.90 |
| May 27, 2026 | Stern Sadieofficer: EVP Chief People & Culture Off | Tax | 1,451 | $71.90 |
| May 26, 2026 | SAYER KEVIN Rdirector, officer: Executive Chair | Sell | 26,759 | $72.00 |
| May 19, 2026 | Brown Michael Jonofficer: EVP, Chief Legal Officer | Sell | 1,700 | $59.91 |
| May 14, 2026 | Heller Bridgette Pdirector | Sell | 1,012 | $60.01 |
| Apr 16, 2026 | Brown Michael Jonofficer: EVP, Chief Legal Officer | Sell | 1,700 | $63.04 |
| Mar 18, 2026 | Brown Michael Jonofficer: EVP, Chief Legal Officer | Sell | 1,700 | $64.85 |
| Mar 10, 2026 | Brown Michael Jonofficer: EVP, Chief Legal Officer | Tax | 23,325 | $68.10 |
| Mar 10, 2026 | Stern Sadieofficer: EVP, Chief HR Officer | Tax | 17,199 | $68.10 |
| Mar 10, 2026 | Leach Jacob Stevendirector, officer: President, CEO, and Director | Grant | 104,516 | — |
Source: DXCM SEC Form 4 filings, latest Jul 16, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their DXCM positions over the last 6 months (SEC Form 13F).
Increased
759
New positions
296
Reduced
659
Sold out
228
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| VANGUARD GROUP INC | Reduced | 49.1M | Jan 29, 2026 |
| BLACKROCK, INC. | Increased | 39.8M | Feb 12, 2026 |
| BLACKROCK, INC. | Reduced | 39.0M | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 25.0M | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 19.2M | May 8, 2026 |
| STATE STREET CORP | Increased | 18.1M | Feb 13, 2026 |
| STATE STREET CORP | Reduced | 17.9M | May 15, 2026 |
| BAILLIE GIFFORD & CO | Increased | 15.6M | May 8, 2026 |
| BAILLIE GIFFORD & CO | Reduced | 15.6M | Jan 23, 2026 |
| ALLIANCEBERNSTEIN L.P. | Increased | 12.9M | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 12.3M | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 11.0M | Feb 9, 2026 |
| UBS ASSET MANAGEMENT AMERICAS INC | Increased | 9.7M | May 13, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Increased | 9.3M | May 15, 2026 |
| ALLIANCEBERNSTEIN L.P. | Increased | 8.6M | Feb 17, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.