Shareholder plans sale of 1,700 DXCM common shares

Michael Brown plans to sell 1,700 shares of DXCM common stock through Morgan Stanley Smith Barney LLC Executive Financial Services on or about July 15, 2026, with an aggregate market value of $126,514.00.

Rhea-AI Filing Summary

Michael Brown plans to sell 1,700 shares of DXCM common stock through Morgan Stanley Smith Barney LLC Executive Financial Services on or about July 15, 2026, with an aggregate market value of $126,514.00.

There are 385,872,977 common shares outstanding. Over the past three months, Brown sold 1,700 shares on May 15, 2026 for $101,847.00 and 1,700 shares on June 15, 2026 for $128,435.00.

Key Figures

Shares to be sold: 1,700 shares Aggregate market value: $126,514.00 Shares outstanding: 385,872,977 shares +2 more

5 metrics

Shares to be sold 1,700 shares Planned sale of DXCM common stock on or about July 15, 2026

Aggregate market value $126,514.00 Market value of 1,700 DXCM shares planned for sale

Shares outstanding 385,872,977 shares DXCM common shares outstanding referenced with the planned sale

Prior sale on June 15, 2026 1,700 shares for $128,435.00 DXCM common stock sold by Michael Brown during the past three months

Prior sale on May 15, 2026 1,700 shares for $101,847.00 DXCM common stock sold by Michael Brown during the past three months

Key Terms

Restricted Stock, Securities To Be Sold, Securities Sold During The Past 3 Months, Executive Financial Services

4 terms

Restricted Stock financial

"Common | 03/08/2026 | Restricted Stock | ISSUER | | | 1700"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

Securities To Be Sold regulatory

"144: Securities To Be Sold"

Securities Sold During The Past 3 Months regulatory

"144: Securities Sold During The Past 3 Months"

Executive Financial Services financial

"Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What DXCM share sale is Michael Brown planning?

Michael Brown plans to sell 1,700 shares of DXCM common stock through Morgan Stanley Smith Barney LLC Executive Financial Services. The planned sale has an aggregate market value of $126,514.00 and is expected around July 15, 2026.

How many DXCM shares are outstanding in this context?

The company lists 385,872,977 common shares outstanding in connection with this planned sale. This figure provides investors with a sense of how the 1,700-share planned transaction compares to the total equity base.

Which broker will handle Michael Brown's planned DXCM sale?

The planned sale of 1,700 DXCM shares will be handled by Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, 8th Floor, New York, NY 10004, acting as the broker for this transaction.

What DXCM share sales has Michael Brown made recently?

Over the last three months, Michael Brown sold 1,700 DXCM common shares on May 15, 2026 for $101,847.00 and another 1,700 shares on June 15, 2026 for $128,435.00, indicating two prior transactions of similar size.

What type of DXCM securities is Michael Brown selling?

The planned transaction involves common stock of DXCM. These shares relate to restricted stock acquired on March 8, 2026, which is now being prepared for potential sale in the public market.

When did Michael Brown acquire the DXCM restricted stock being sold?

Michael Brown acquired the underlying restricted stock on March 8, 2026. The planned sale covers 1,700 of these common shares, with payment and acquisition both dated March 8, 2026 as reflected in the transaction details.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 07/15/2026 - 04:04 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001899922
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	DEXCOM, INC.
SEC File Number	000-51222
Address of Issuer	6340 Sequence Drive San Diego CALIFORNIA 92121
Phone	(858) 200-0200
Name of Person for Whose Account the Securities are To Be Sold	MICHAEL BROWN
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	1700	126514.00	385872977	07/15/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	03/08/2026	Restricted Stock	ISSUER			1700	03/08/2026	Not Applicable

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
MICHAEL BROWN 6340 Sequence Drive San Diego CA 92121	Common	06/15/2026	1700	128435.00
MICHAEL BROWN 6340 Sequence Drive San Diego CA 92121	Common	05/15/2026	1700	101847.00

144: Remarks and Signature

Remarks
Date of Notice	07/15/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	11/26/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Michael Jon Brown
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)