DEXCOM INC — Director's Dealing 2020

Jun 16, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2020-06-11

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-06-11	Common Stock	S	1700	$372.9693	Disposed	124798	Direct
2020-06-11	Common Stock	S	2600	$374.2958	Disposed	122198	Direct
2020-06-11	Common Stock	S	1800	$375.6823	Disposed	120398	Direct
2020-06-11	Common Stock	S	3481	$376.7763	Disposed	116917	Direct
2020-06-11	Common Stock	S	7466	$377.9823	Disposed	109451	Direct
2020-06-11	Common Stock	S	1982	$379.4167	Disposed	107469	Direct
2020-06-11	Common Stock	S	100	$380.055	Disposed	107369	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	11824	Indirect

Footnotes

F1: On March 13, 2020, the reporting person adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Leach. The sale of shares set forth above were pursuant to the 10b5-1 Plan.

F2: This transaction was executed in multiple trades at prices ranging from $372.636 to $373.08. 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 31,770 unvested restricted stock units, 11,748 of which were granted on March 8, 2020 and shall vest through March 8, 2023, 9,991 of which were granted on March 8, 2019 and shall vest through March 8, 2022, and 10,031 of which were granted on March 8, 2018 and shall vest through March 8, 2021.

F4: This transaction was executed in multiple trades at prices ranging from $373.97 to $374.87. 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: This transaction was executed in multiple trades at prices ranging from $375.27 to $376.261. 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.

F6: This transaction was executed in multiple trades at prices ranging from $376.275 to $377.15. 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.

F7: This transaction was executed in multiple trades at prices ranging from $377.44 to $378.34. 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.

F8: This transaction was executed in multiple trades at prices ranging from $379.00 to $379.91. 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.

F9: 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.