Michael Jon Brown - 15 Jun 2026 Form 4 Insider Report for DEXCOM INC (DXCM)

Reporting relationship: EVP Chief Legal Compliance Off
Issuer ticker: DXCM
Reported as of: 15 Jun 2026
Net transaction value: -$128,435
SEC form: 4
Accepted by SEC: 17 Jun 2026, 16:32:31 UTC
Prior SEC filing: 27 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Jereme M. Sylvain, as Attorney-in-Fact for Michael Jon Brown

Key filing fact

Michael Jon Brown filed Form 4 for DEXCOM INC (DXCM) on 17 Jun 2026.

Key facts

This page summarizes Michael Jon Brown's Form 4 filing for DEXCOM INC (DXCM).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 17 Jun 2026, 16:32.

Change

Previous filing in this sequence was filed on 27 May 2026.
Current net transaction value: -$128,435.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001899922 Primary reporting owner

Brown Michael Jon

Relationship: EVP Chief Legal Compliance Off
Address: 6340 SEQUENCE DRIVE, SAN DIEGO
Signature: /s/ Jereme M. Sylvain, as Attorney-in-Fact for Michael Jon Brown
Signature date: 17 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

DXCM transaction

Common Stock

Sale

Transaction value: $128,435
Shares: -1,700
Change %: -1.6%
Price: $75.55
Shares after: 106,353
Date: 15 Jun 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 2 footnotes

Footnote F1

On November 26, 2025, Mr. Brown adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Brown. The shares set forth above were sold pursuant to the 10b5- 1 Plan.

Footnote F2

Included in this number are 74,753 unvested restricted stock units, 39,019 of which were granted on March 8, 2026 and shall vest through March 8, 2029, 19,948 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 8,549 of which were granted on March 8, 2025 and shall vest through March 8, 2027, and 7,237 of which were granted on March 8, 2024 and shall vest through March 8, 2027.