# EDGAR Filing Document

**Accession Number:** 0001093557
**File Stem:** 0001093557-23-000006
**Filing Date:** 2023-1
**Character Count:** 7508
**Document Hash:** 70ee228d8ea64dcf0fe26c3f797a7f27
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001093557-23-000006.hdr.sgml**: 20230109

**ACCESSION NUMBER**: 0001093557-23-000006

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20230109

**FILED AS OF DATE**: 20230109

**DATE AS OF CHANGE**: 20230109

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Lawver Teri L
- **CENTRAL INDEX KEY:** 0001960596

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-51222
- **FILM NUMBER:** 23518549

**MAIL ADDRESS:**
- **STREET 1:** C/O DEXCOM, INC.
- **STREET 2:** 6340 SEQUENCE DRIVE
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92121
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** DEXCOM INC
- **CENTRAL INDEX KEY:** 0001093557
- **STANDARD INDUSTRIAL CLASSIFICATION:** SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
- **IRS NUMBER:** 330857544
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 6340 SEQUENCE DRIVE
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92121
- **BUSINESS PHONE:** 8582000200

**MAIL ADDRESS:**
- **STREET 1:** 6340 SEQUENCE DRIVE
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92121

## Ex-24

```

POWER OF ATTORNEY
      KNOW ALL BY THESE PRESENTS, that the undersigned
hereby constitutes and appoints Jereme M. Sylvain,
Christophe Cantenot and Naveen Gurudevan, as long as they
are providing services to DexCom, Inc. ("Company"), and
each of them, as his true and lawful attorney-in-fact to:

      (1)	execute for and on behalf of the undersigned,
in the undersigned's capacity as an officer and/or
director of the Company, any and all Form 3, 4 or 5
reports required to be filed by the undersigned in
accordance with Section 16(a) of the Securities Exchange
Act of 1934, as amended ("Exchange Act"), and the rules
and regulations thereunder with respect to transactions
in securities of the Company;
      (2)	do and perform any and all acts for and on
behalf of the undersigned which may be necessary or
desirable to complete and execute any such Form 3, 4 or 5
report and timely file such report with the U.S.
Securities and Exchange Commission and any stock exchange
or similar authority; and
      (3)	take any other action of any type whatsoever in
connection with the foregoing which, in the opinion of
such attorney-in-fact, may be of benefit to, in the best
interest of, or legally required by, the undersigned, it
being understood that the documents executed by such
attorney-in-fact on behalf of the undersigned, pursuant
to this Power of Attorney, shall be in such form and
shall contain such terms and conditions as such attorney-
in-fact may approve in his discretion.
      The undersigned hereby grants to such attorney-in-
fact full power and authority to do and perform each and
every act and thing whatsoever requisite, necessary and
proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and
purposes as the undersigned might or could do if
personally present, with full power of substitution or
revocation, hereby ratifying and confirming all that such
attorney-in-fact, or her/his substitute or substitutes,
shall lawfully do or cause to be done by virtue of this
Power of Attorney and the rights and powers herein
granted.  The undersigned acknowledges that no such
attorney-in-fact, in serving in such capacity at the
request of the undersigned, is hereby assuming, nor is
the Company hereby assuming, any of the undersigned's
responsibilities to comply with Section 16 of the
Exchange Act.
        The undersigned agrees that such attorney-in-fact
may rely entirely on information furnished orally or in
writing by the undersigned to each such attorney-in-fact.
The undersigned further agrees that each attorney-in-fact
and the Company are not responsible for any errors or
omissions in such filings. The attorneys-in-fact and the
Company are not responsible for determining whether or
not the transactions reported could be matched with any
other transactions for the purpose of determining
liability for short-swing profits under Section 16(b).
      This Power of Attorney shall remain in full force
and effect until the undersigned is no longer required to
file Form 3, 4 or 5 reports with respect to the
undersigned's holdings of and transactions in securities
issued by the Company, unless earlier revoked by the
undersigned in a signed writing delivered to the
foregoing attorneys-in-fact.
      IN WITNESS WHEREOF, the undersigned has caused this
Power of Attorney to be executed as of December 29, 2022.

/s/ Teri Lynn Lawver
Teri Lynn Lawver

```

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Lawver Teri L<br><sub>(Last) (First) (Middle)</sub><br>6340 SEQUENCE DRIVE<br><sub>(Street)</sub><br>SAN DIEGO, CA 92121<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>DEXCOM INC [ DXCM ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2023-01-09 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director   [ ] 10% Owner<br>[X] Officer (give title below)   [ ] Other (specify below)<br>_EVP Chief Commercial Officer_ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |

---

**Signature:** By: /s/ Jereme Sylvain For: Teri Lynn Lawver  
**Date:** 2023-01-09

### Remarks:

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 Number.**