DEXCOM INC — Director's Dealing 2023

Mar 7, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2023-03-06

Reporting Person: Leach Jacob Steven (EVP Chief Technology Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-03-06	Common Stock	S	10425	$114.4476	Disposed	288808	Direct
2023-03-06	Common Stock	S	7719	$115.1323	Disposed	281089	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	47296	Indirect

Footnotes

F1: On December 5, 2022, Mr. Leach adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Leach. The shares set forth above were sold pursuant to the 10b5-1 Plan.

F2: This transaction was executed in multiple trades at prices ranging from $113.77 to $114.755. The price above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

F3: Included in this number are 73,448 unvested restricted stock units, 26,964 of which were granted on March 8, 2022 and shall vest through March 8, 2025, 11,700 of which were granted on December 15, 2021 and shall vest through December 15, 2024, 19,120 of which were granted on March 8, 2021 and shall vest through March 8, 2024, 15,664 of which were granted on March 8, 2020 and shall vest through March 8, 2023.

F4: This transaction was executed in multiple trades at prices ranging from $114.79 to $115.64. The price above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

F5: 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.