Michael Brown files Form 144 to sell 1,700 shares

Michael Brown submitted a Form 144 notice regarding a proposed sale of 1,700 shares of Common Stock.

Rhea-AI Filing Summary

Michael Brown submitted a Form 144 notice regarding a proposed sale of 1,700 shares of Common Stock. The filing lists the securities as Restricted Stock with an effective date of 03/08/2026 and shows Morgan Stanley Smith Barney LLC as the broker. The filing also records three recent sales of 1,700 shares each on 05/15/2026, 04/15/2026 and 03/16/2026 with transaction amounts of $101,847.00, $107,168.00 and $110,245.00, respectively.

Insights

Securities Compliance Attorney

Form 144 notice documents a proposed resale of restricted shares and lists recent sales.

The filing states a proposed sale of 1,700 shares of restricted common stock dated 03/08/2026, with Morgan Stanley Smith Barney LLC named as the broker. It also lists three sales of 1,700 shares each in March–May 2026 and corresponding transaction amounts.

Regulatory implication: a Form 144 is a notice of intent to sell under resale rules; the actual sale timing and method depend on market conditions and compliance with resale restrictions. Subsequent filings will show completion or disposition details.

Key Figures

Shares proposed for resale: 1,700 shares Recent sale amount: $110,245.00 Recent sale amount: $107,168.00 +2 more

5 metrics

Shares proposed for resale 1,700 shares Registered on Form 144 as Restricted Stock dated <date>03/08/2026</date>

Recent sale amount $110,245.00 Sale on <date>03/16/2026</date> for 1,700 shares

Recent sale amount $107,168.00 Sale on <date>04/15/2026</date> for 1,700 shares

Recent sale amount $101,847.00 Sale on <date>05/15/2026</date> for 1,700 shares

Filing/cover date 06/15/2026 Date noted on the filer header alongside exchange listing

Key Terms

Restricted Stock, Form 144, Securities Sold During The Past 3 Months

3 terms

Restricted Stock regulatory

"Common | 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.

Securities Sold During The Past 3 Months regulatory

"144: Securities Sold During The Past 3 Months"

FAQ

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

What does Michael Brown's Form 144 for DXCM indicate?

It indicates an intent to sell 1,700 restricted shares with an effective date of 03/08/2026. The filing names Morgan Stanley Smith Barney LLC as broker and lists three sales of 1,700 shares each in Mar–May 2026 with stated dollar amounts.

Does the Form 144 mean the shares have already been sold?

Not necessarily; Form 144 is a notice of proposed resale, not proof of completion. The filing shows recent sales on 03/16/2026, 04/15/2026, and 05/15/2026, but further filings would confirm final dispositions and settlement details.

Who is the broker listed on the Form 144 for DXCM?

The broker identified is Morgan Stanley Smith Barney LLC at 1 New York Plaza, 8th Floor, New York. The form lists this firm in the securities-to-be-sold section as the intermediary for the proposed resale of restricted shares.

What dollar amounts are shown for recent sales in the filing?

The filing lists three recent sale amounts: $110,245.00 on 03/16/2026, $107,168.00 on 04/15/2026, and $101,847.00 on 05/15/2026. These appear in the 'Securities Sold During The Past 3 Months' section.

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

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Accepted by SEC EDGAR 06/15/2026 - 04:01 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	128435.00	385872977	06/15/2026	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	05/15/2026	1700	101847.00
MICHAEL BROWN 6340 Sequence Drive San Diego CA 92121	Common	04/15/2026	1700	107168.00
MICHAEL BROWN 6340 Sequence Drive San Diego CA 92121	Common	03/16/2026	1700	110245.00

144: Remarks and Signature

Remarks
Date of Notice	06/15/2026
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)