DEXCOM INC — Director's Dealing 2017

Mar 15, 2017

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2017-03-09

Reporting Person: Leach Jacob Steven (SVP, Research & Development)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	105933	Direct
Common Stock	12000	Indirect
Common Stock	50100	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Incentive Stock Option (right to buy)	$3.19	2018-12-11	Common Stock (10577)		Direct
Incentive Stock Option (right to buy)	$5.92	2018-10-02	Common Stock (25000)		Direct
Incentive Stock Option (right to buy)	$7.27	2019-11-20	Common Stock (4797)		Direct
Incentive Stock Option (right to buy)	$7.63	2018-05-19	Common Stock (7500)		Direct
Incentive Stock Option (right to buy)	$9.78	2020-02-18	Common Stock (11458)		Direct
Non-Qualified Stock Option (right to buy)	$3.19	2018-12-11	Common Stock (1923)		Direct
Non-Qualified Stock Option (right to buy)	$7.27	2019-11-20	Common Stock (203)		Direct
Non-Qualified Stock Option (right to buy)	$9.78	2020-02-18	Common Stock (8542)		Direct

Footnotes

F1: Included in this number are 57,800 unvested restricted stock units, 23,134 of which were granted on March 8, 2017 and shall vest through March 8, 2020, 21,333 of which were granted on March 8, 2016 shall vest through March 8, 2019 and 13,333 of which were granted on March 8, 2015 and shall vest through March 8, 2018.

F2: 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.

F3: Shares are held by the Kyndra S. Leach Trust UAD 12/12/2012, with respect to which the reporting person's spouse is a trustee.

F4: Shares subject to the option are fully vested and immediately exercisable.