Jacob Steven Leach - 22 May 2026 Form 4 Insider Report for DEXCOM INC (DXCM)

Reporting relationship: President, CEO, and Director, Director
Issuer ticker: DXCM
Reported as of: 22 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 27 May 2026, 16:39:16 UTC
Prior SEC filing: 10 Mar 2026
Next SEC filing: 17 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Jereme M. Sylvain, as Attorney-in-Fact for Jacob Steven Leach

Key filing fact

Jacob Steven Leach filed Form 4 for DEXCOM INC (DXCM) on 27 May 2026.

Key facts

This page summarizes Jacob Steven Leach's Form 4 filing for DEXCOM INC (DXCM).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 27 May 2026, 16:39.

Change

Previous filing in this sequence was filed on 10 Mar 2026.
Current net transaction value: $0.

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 0001700255 Primary reporting owner

Leach Jacob Steven

Relationship: President, CEO, and Director, Director
Address: 6340 SEQUENCE DRIVE, SAN DIEGO
Signature: /s/ Jereme M. Sylvain, as Attorney-in-Fact for Jacob Steven Leach
Signature date: 27 May 2026

Reported non-derivative transactions

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

DXCM transaction

Common Stock

Tax liability

Transaction value
Shares: -1,451
Change %: -0.34%
Price: $71.90^*
Shares after: 420,359
Date: 22 May 2026
Ownership: Direct
Footnotes: F1, F2

DXCM holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 47,296
Date: 22 May 2026
Ownership: Family Holdings
Footnotes: F3

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Represents the number of shares required to be withheld by the Issuer to cover tax withholding and remittance obligations in connection with the net settlement of restricted stock units and does not represent a sale by the Reporting Person.

Footnote F2

Included in this number are 145,686 unvested restricted stock units, 104,516 of which were granted on March 8, 2026 and shall vest through March 8, 2029, 23,937 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 8,684 of which were granted on March 8, 2024 and shall vest through March 8, 2027.

Footnote F3

Shares are held by the Gregg Family Grandchildren's Trust UAD 12/30/2010, with respect to which the Reporting Person's spouse is a trustee.