DEXCOM INC — Director's Dealing 2018

Sep 27, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2018-09-24

Reporting Person: Pacelli Steven Robert (EVP, Strategy & Corp. Dev.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-09-24	Common Stock	S	150	$138.69	Disposed	116824	Direct
2018-09-24	Common Stock	S	300	$140.24	Disposed	116524	Direct
2018-09-24	Common Stock	S	1640	$141.0722	Disposed	114884	Direct
2018-09-24	Common Stock	S	984	$142.1713	Disposed	113900	Direct
2018-09-24	Common Stock	S	40	$142.765	Disposed	113860	Direct

Footnotes

F1: On June 11, 2018, Mr. Pacelli adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Pacelli. 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 $138.53 to $139.02. 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 58,591 unvested restricted stock units, 38,502 of which were granted on March 8, 2018 and shall vest through March 8, 2021, 13,755 of which were granted on March 8, 2017 and shall vest through March 8, 2020, and 6,334 of which were granted on March 8, 2016 and shall vest through March 8, 2019.

F4: This transaction was executed in multiple trades at prices ranging from $139.70 to $140.55. 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 $140.71 to $141.66. 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 $141.74 to $142.67. 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 $142.74 to $142.79. 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.