DEXCOM INC — Director's Dealing 2019

Dec 17, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2019-12-12

Reporting Person: KAHN BARBARA (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-12-12	Common Stock	S	2299	$202.2227	Disposed	17967	Indirect
2019-12-12	Common Stock	S	1801	$202.9933	Disposed	16166	Indirect
2019-12-12	Common Stock	S	1000	$204.231	Disposed	15166	Indirect
2019-12-12	Common Stock	S	1200	$205.6192	Disposed	13966	Indirect
2019-12-12	Common Stock	S	600	$206.525	Disposed	13366	Indirect
2019-12-12	Common Stock	S	600	$207.6717	Disposed	12766	Indirect
2019-12-12	Common Stock	S	100	$208.54	Disposed	12666	Indirect
2019-12-12	Common Stock	S	800	$210.5655	Disposed	11866	Indirect
2019-12-12	Common Stock	S	500	$211.3859	Disposed	11366	Indirect
2019-12-12	Common Stock	S	100	$212.3	Disposed	11266	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2613	Direct

Footnotes

F1: On September 13, 2019, Ms. Kahn adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Ms. Kahn. The exercise and 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 $201.68 to $202.63. 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: Shares are held by the Barbara Kahn TTEE Barbara Kahn Rev TRT DTD 6/26/96 & Robert Meyer TTEE Robert Meyer Rev Trst DTD 6/26/96, with respect to which the reporting person is a trustee.

F4: This transaction was executed in multiple trades at prices ranging from $202.71 to $203.69. 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 $203.87 to $204.81. 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 $205.02 to $206.00. 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 $206.14 to $207.12. 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 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 $207.30 to $208.19. 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: This transaction was executed in multiple trades at prices ranging from $209.83 to $210.81. 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.

F10: This transaction was executed in multiple trades at prices ranging from $211.12 to $211.90. 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 issuer full information regarding the number of shares and prices at which the transactions were effected.