Insider files Form 144 to sell 1,700 shares

Michael Brown submitted a Form 144 notice indicating an intended sale of 1,700 shares of Common Stock originally acquired as restricted stock.

Rhea-AI Filing Summary

Michael Brown submitted a Form 144 notice indicating an intended sale of 1,700 shares of Common Stock originally acquired as restricted stock. The filing shows transaction dates of 03/08/2026 (acquisition) and 03/16/2026 (sale activity), with the filing recorded on 04/15/2026.

Key Figures

Shares reported: 1,700 shares Acquisition date: 03/08/2026 Sale activity date: 03/16/2026 +4 more

7 metrics

Shares reported 1,700 shares Common Stock reported for sale on Form 144

Acquisition date 03/08/2026 Restricted stock acquisition date shown

Sale activity date 03/16/2026 Date listed for securities sold during the past 3 months

Filing date 04/15/2026 Form 144 record date

Amount listed (row 1) 107,168.00 Numeric amount appearing alongside the 1,700-share row

Amount listed (row 2) 110,245.00 Numeric amount appearing with sale entry for Michael Brown

Identifier 384864842 Numeric identifier shown in the excerpt

Key Terms

Restricted Stock, Form 144, Issuer

3 terms

Restricted Stock financial

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

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.

Form 144 regulatory

"Filer Information | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Issuer financial

"Restricted Stock | ISSUER"

FAQ

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

What does DXCM Form 144 filed by Michael Brown report?

It reports a proposed sale of 1,700 shares of Common Stock. The shares were labeled as restricted stock, with acquisition date 03/08/2026 and sale activity noted on 03/16/2026.

When was the Form 144 for DXCM filed and who is the reporting person?

The Form 144 was recorded on 04/15/2026. The reporting person named in the excerpt is Michael Brown, with an address listed in San Diego, CA.

How many shares and what dollar amounts appear in the filing excerpt?

The excerpt shows 1,700 shares and two numeric amounts: 107,168.00 and 110,245.00. The filing ties 1,700 shares to those numeric entries in the provided rows.

What type of securities are being sold under the Form 144?

The securities are listed as Restricted Stock acquired from the Issuer. The entry labels the class as Common Stock traded on NASDAQ.

Does this Form 144 show who receives sale proceeds?

The excerpt does not specify the recipient of sale proceeds beyond listing numeric amounts. The filing rows list dollar figures but do not state who will receive proceeds explicitly.

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

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Accepted by SEC EDGAR 04/15/2026 - 04:06 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	107168.00	384864842	04/15/2026	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	03/16/2026	1700	110245.00

144: Remarks and Signature

Remarks
Date of Notice	04/15/2026
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)