Jon Coleman - 03 Jun 2026 Form 4 Insider Report for DEXCOM INC (DXCM)

Reporting relationship: EVP, Chief Commercial Officer
Issuer ticker: DXCM
Reported as of: 03 Jun 2026
Net transaction value: -$722,628
SEC form: 4
Accepted by SEC: 05 Jun 2026, 16:17:40 UTC
Prior SEC filing: 27 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Jereme M. Sylvain, as Attorney-in-Fact for Jon Coleman

Key filing fact

Jon Coleman filed Form 4 for DEXCOM INC (DXCM) on 05 Jun 2026.

Key facts

This page summarizes Jon Coleman's Form 4 filing for DEXCOM INC (DXCM).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 05 Jun 2026, 16:17.

Change

Previous filing in this sequence was filed on 27 May 2026.
Current net transaction value: -$722,628.

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 0001442689 Primary reporting owner

Coleman Jon

Relationship: EVP, Chief Commercial Officer
Address: 6430 SEQUENCE DRIVE, SAN DIEGO
Signature: /s/ Jereme M. Sylvain, as Attorney-in-Fact for Jon Coleman
Signature date: 05 Jun 2026

Reported non-derivative transactions

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

DXCM transaction

Common Stock

Sale

Transaction value: $358,576
Shares: -4,912
Change %: -4.7%
Price: $73.00
Shares after: 100,361
Date: 03 Jun 2026
Ownership: Direct
Footnotes: F1

DXCM transaction

Common Stock

Sale

Transaction value: $364,052
Shares: -4,911
Change %: -4.9%
Price: $74.13
Shares after: 95,450
Date: 04 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 March 4, 2026, Mr. Coleman adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Coleman. The shares set forth above were sold pursuant to the 10b5- 1 Plan.

Footnote F2

Included in this number are 95,450 unvested restricted stock units, 43,897 of which were granted on March 8, 2026 and shall vest through March 8, 2029, and 51,553 of which were granted on May 22, 2025 and shall vest through May 22, 2029.