DEXCOM INC — Director's Dealing 2019

Sep 12, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2019-09-09

Reporting Person: Balo Andrew K (*)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-09-09	Common Stock	S	325	$145.4262	Disposed	69084	Direct
2019-09-09	Common Stock	S	5629	$150.1111	Disposed	63455	Direct
2019-09-09	Common Stock	S	279	$150.5218	Disposed	63176	Direct
2019-09-09	Common Stock	S	621	$151.492	Disposed	62555	Direct
2019-09-09	Common Stock	S	600	$152.5901	Disposed	61955	Direct
2019-09-09	Common Stock	S	40	$153.9975	Disposed	61915	Direct
2019-09-09	Common Stock	S	100	$155.355	Disposed	61815	Direct
2019-09-09	Common Stock	S	550	$156.4345	Disposed	61265	Direct
2019-09-09	Common Stock	S	450	$157.7752	Disposed	60815	Direct
2019-09-09	Common Stock	S	269	$158.4189	Disposed	60546	Direct
2019-09-09	Common Stock	S	244	$159.9211	Disposed	60302	Direct

Footnotes

F1: Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of RSUs. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

F2: This transaction was executed in multiple trades at prices ranging from $145.35 to $145.49. 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 39,032 unvested restricted stock units, 14,987 of which were granted on March 8, 2019 and shall vest through March 8, 2022, 19,251 of which were granted on March 8, 2018 and shall vest through March 8, 2021, 4,794 of which were granted on March 8, 2017 and shall vest through March 8, 2020.

F4: On February 28, 2019, Mr. Balo adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Balo. The shares set forth above were sold pursuant to the 10b5-1 Plan.

F5: This transaction was executed in multiple trades at prices ranging from $150.09 to $150.97. 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 issurer 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 $151.1250 to $152.12. 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 issurer 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 $152.13 to $152.97. 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 issurer 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 $153.85 to $154.15. 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 issurer full information regarding the number of shares and prices at which the transactions were effected.

F9: This transaction was executed in multiple trades at prices ranging from $155.00 to $155.71. 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 issurer full information regarding the number of shares and prices at which the transactions were effected.

F10: This transaction was executed in multiple trades at prices ranging from $156.12 to $156.90. 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 issurer full information regarding the number of shares and prices at which the transactions were effected.

F11: This transaction was executed in multiple trades at prices ranging from $157.25 to $158.24. 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 issurer full information regarding the number of shares and prices at which the transactions were effected.

F12: This transaction was executed in multiple trades at prices ranging from $158.25 to $159.22. 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 issurer full information regarding the number of shares and prices at which the transactions were effected.

F13: This transaction was executed in multiple trades at prices ranging from $159.37 to $160.28. 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 issurer full information regarding the number of shares and prices at which the transactions were effected.