Sec Form 4 Filing - Leach Jacob Steven @ DEXCOM INC - 2017-03-09

Insider filing report for Changes in Beneficial Ownership
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FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person
Leach Jacob Steven
2. Issuer Name and Ticker or Trading Symbol
DEXCOM INC [ DXCM]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
X __ Officer (give title below) _____ Other (specify below)
SVP, Research & Development
(Last) (First) (Middle)
6340 SEQUENCE DRIVE
3. Date of Earliest Transaction (MM/DD/YY)
03/09/2017
(Street)
SAN DIEGO, CA92121
4. If Amendment, Date Original Filed (MM/DD/YY)
6. Individual or Joint/Group Filing (Check Applicable Line)
__ X __ Form filed by One Reporting Person
_____ Form filed by More than One Reporting Person
(City) (State) (Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 03/09/2017 S 7,329 D $ 77.558 98,604 ( 1 ) D
Common Stock 03/09/2017 S 3,012 D $ 77.2409 95,592 ( 1 ) D
Common Stock 03/10/2017 D 1,950 ( 2 ) D $ 77.5506 93,642 ( 1 ) D
Common Stock 03/10/2017 D 5,473 ( 2 ) D $ 77.5506 88,169 ( 1 ) D
Common Stock 03/10/2017 D 2,538 ( 2 ) D $ 77.5506 85,631 ( 1 ) D
Common Stock 03/10/2017 M 7,500 A $ 7.63 93,131 ( 1 ) D
Common Stock 03/13/2017 S 5,194 D $ 78.072 87,937 ( 1 ) D
Common Stock 03/13/2017 S 2,732 D $ 77.7764 85,205 ( 1 ) D
Common Stock 03/14/2017 S 3,050 D $ 77.3195 82,155 ( 1 ) D
Common Stock 12,000 I Family Holdings ( 3 )
Common Stock 50,100 I by Spouse ( 4 )
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(MM/DD/YY)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Incentive Stock Option (right to buy) $ 7.63 03/10/2017 M 7,500 05/19/2009 05/19/2018 Common Stock 7,500 $ 7.63 0 D
Reporting Owners
Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Leach Jacob Steven
6340 SEQUENCE DRIVE
SAN DIEGO, CA92121
SVP, Research & Development
Signatures
By: Timothy O'Brien For: Jacob Leach 03/15/2017
Signature of Reporting Person Date
Explanation of Responses:
( 1 )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.
( 2 )These shares were sold to cover the Company's tax withholding obligation that accrued in connection with the vesting of restricted stock units previously granted.
( 3 )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.
( 4 )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.

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