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 OF SECURITIES
                                                                                  
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response...
0.5
                      
Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
1. Name and Address of Reporting Person * SAYER KEVIN R 2. Issuer Name and Ticker or Trading Symbol DEXCOM INC [ DXCM ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __ X __ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
President, CEO and Chairman
(Last)          (First)          (Middle)
6340 SEQUENCE DRIVE
3. Date of Earliest Transaction (MM/DD/YYYY)
7/8/2019
(Street)
SAN DIEGO, CA 92121
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)
 
6. Individual or Joint/Group Filing (Check Applicable Line) _ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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   7/8/2019     S    1000   (1) D $145.316   (2) 293100   (3) D    
Common Stock   7/8/2019     S    5000   (1) D $146.432   (4) 288100   (3) D    

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 7. Title and Amount of Securities Underlying Derivative Security
(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

Explanation of Responses:
(1)  On May 10, 2018, Mr. Sayer adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Sayer. The exercise and sale of shares set forth above were pursuant to the 10b5-1 Plan.
(2)  This transaction was executed in multiple trades at prices ranging from $145.01 to $145.85. 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.
(3)  Included in this number are 116,618 unvested restricted stock units, 35,829 of which were granted on March 8, 2019 and shall vest through March 8, 2022, 53,696 of which were granted on March 8, 2018 and shall vest through March 8, 2021, 27,093 of which were granted on March 8, 2017 and shall vest through March 8, 2020.
(4)  This transaction was executed in multiple trades at prices ranging from $146.06 to $146.88. 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.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
SAYER KEVIN R
6340 SEQUENCE DRIVE
SAN DIEGO, CA 92121
X
President, CEO and Chairman

Signatures
By: Jereme Sylvain For: Kevin R. Sayer 7/9/2019
** Signature of Reporting Person Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
DexCom (NASDAQ:DXCM)
Historical Stock Chart
From Jul 2020 to Aug 2020 Click Here for more DexCom Charts.
DexCom (NASDAQ:DXCM)
Historical Stock Chart
From Aug 2019 to Aug 2020 Click Here for more DexCom Charts.