DEXCOM INC Insider Trading Activity
Every SEC Form 4 insider transaction reported for DEXCOM INC (DXCM), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are DXCM insiders buying or selling?
In the last 12 months, DEXCOM INC insiders reported 1 open-market purchase ($1.0M) and 24 sales ($12.6M) — net selling of $11.6M. Since January 2018, Trabud has recorded 505 Form 4 filings for DXCM: 1 buys ($1.0M) and 504 sells ($520.6M).
Source: SEC EDGAR Form 4
What stands out
- The largest open-market purchase in the last 12 months was $1.0M by Jacob Steven Leach (President & COO) on Nov 11, 2025. SEC ↗
- The most recent open-market purchase was reported on Nov 11, 2025 (11 months ago).
Key Statistics (January 2018 – Sep 30, 2026)
Total Form 4 filings
505
SEC EDGAR
Insider filers
32
Insider buys (1)
$1.0M
Insider sells (504)
$520.6M
Insider sentiment
Net sellingNet insider flow of $519.6M in net selling since January 2018, and $11.6M in net selling over the last 12 months.
Recent DXCM insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Sep 30, 2026 | Sadie Stern | EVP Chief People & Culture Off | Sale | 2.6K | $86.15 | $221.0K | SEC ↗ |
| Sep 16, 2026 | Nicholas Augustinos | Director | Sale | 8.1K | $84.04 | $679.8K | SEC ↗ |
| Sep 16, 2026 | Michael Jon Brown | EVP Chief Legal Compliance Off | Sale | 1.7K | $84.04 | $142.9K | SEC ↗ |
| Sep 14, 2026 | Jereme M Sylvain | EVP, Chief Financal Officer | Sale | 3.6K | $83.27 | $302.9K | SEC ↗ |
| Aug 28, 2026 | Sadie Stern | EVP Chief People & Culture Off | Sale | 2.6K | $88.37 | $226.7K | SEC ↗ |
| Aug 24, 2026 | Kevin R Sayer | Executive Chair | Sale | 26.8K | $90.01 | $2.4M | SEC ↗ |
| Aug 17, 2026 | Michael Jon Brown | EVP Chief Legal Compliance Off | Sale | 1.7K | $91.93 | $156.3K | SEC ↗ |
| Aug 13, 2026 | Bridgette P Heller | Director | Sale | 1.0K | $88.29 | $89.3K | SEC ↗ |
| Aug 4, 2026 | Mark G Foletta | Director | Sale | 4.0K | $82.66 | $330.6K | SEC ↗ |
| Jul 21, 2026 | Kevin R Sayer | Executive Chair | Sale | 26.8K | $76.32 | $2.0M | SEC ↗ |
| Jul 16, 2026 | Michael Jon Brown | EVP Chief Legal Compliance Off | Sale | 1.7K | $74.42 | $126.5K | SEC ↗ |
| Jul 7, 2026 | Kevin R Sayer | Executive Chair | Sale | 26.8K | $72.00 | $1.9M | SEC ↗ |
| Jun 17, 2026 | Michael Jon Brown | EVP Chief Legal Compliance Off | Sale | 1.7K | $75.55 | $128.4K | SEC ↗ |
| Jun 17, 2026 | Mark G Foletta | Director | Sale | 4.0K | $74.13 | $296.5K | SEC ↗ |
| Jun 5, 2026 | Jon Coleman | EVP, Chief Commercial Officer | Sale | 9.8K | $73.56 | $722.6K | SEC ↗ |
| May 26, 2026 | Kevin R Sayer | Executive Chair | Sale | 26.8K | $72.00 | $1.9M | SEC ↗ |
| May 19, 2026 | Michael Jon Brown | EVP, Chief Legal Officer | Sale | 1.7K | $59.91 | $101.8K | SEC ↗ |
| May 14, 2026 | Bridgette P Heller | Director | Sale | 1.0K | $60.01 | $60.7K | SEC ↗ |
| Apr 16, 2026 | Michael Jon Brown | EVP, Chief Legal Officer | Sale | 1.7K | $63.04 | $107.2K | SEC ↗ |
| Mar 18, 2026 | Michael Jon Brown | EVP, Chief Legal Officer | Sale | 1.7K | $64.85 | $110.2K | SEC ↗ |
| Feb 17, 2026 | Bridgette P Heller | Director | Sale | 1.0K | $68.01 | $68.8K | SEC ↗ |
| Nov 17, 2025 | Richard Alexander Collins | Director | Sale | 2.9K | $59.05 | $171.6K | SEC ↗ |
| Nov 12, 2025 | Bridgette P Heller | Director | Sale | 1.0K | $58.07 | $58.8K | SEC ↗ |
| Nov 11, 2025 | Jacob Steven Leach | President & COO | Purchase | 18.2K | $55.04 | $1.0M | SEC ↗ |
| Nov 11, 2025 | Richard Alexander Collins | Director | Sale | 3.9K | $55.17 | $217.8K | SEC ↗ |
Showing the 25 most recent of 505 Form 4 filings for DEXCOM INC.
Most active DXCM insiders
- Steven Robert Pacelli72 filings
- Kevin R Sayer58 filings
- Richard Doubleday43 filings
- Patrick Michael Murphy37 filings
- Jereme M Sylvain29 filings
Ask anything about DXCM insider activity
Use Trabud's AI agent to query DEXCOM INC's Form 4 history in plain English — "Show me DXCM CEO purchases this year" or compare it against any other ticker.
Open the AI agentDXCM insider trading FAQ
Are DEXCOM INC insiders buying or selling?
In the last 12 months, DEXCOM INC insiders reported 1 open-market purchase ($1.0M) and 24 sales ($12.6M) — net selling of $11.6M. Since January 2018, Trabud has recorded 505 Form 4 filings for DXCM: 1 buys ($1.0M) and 504 sells ($520.6M). Over the full record that is net selling of $519.6M.
How many insiders trade DXCM stock?
32 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for DEXCOM INC. The most recent filing was accepted on Sep 30, 2026.
Where does Trabud get DXCM insider trading data?
All DXCM insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.