DXCM affiliate files Form 144 to sell 4,911 shares

DXCM notice of proposed sale under Form 144: an affiliate lists 4911 shares of Common Stock as restricted stock to be sold 05/22/2026.

Rhea-AI Filing Summary

DXCM notice of proposed sale under Form 144: an affiliate lists 4911 shares of Common Stock as restricted stock to be sold 05/22/2026. The filing also records a sale of 4912 shares of Common Stock by Jon C. Coleman on 06/03/2026.

Insights

Corporate Governance Specialist

Routine Rule 144 sale notice by an affiliate and a recent insider disposition.

The filing lists 4911 shares of restricted Common Stock proposed for sale on 05/22/2026 under Form 144 and separately reports a sale of 4912 shares by Jon C. Coleman on 06/03/2026. This is a regulatory notice of intent and a reported disposition; it does not itself change company operations.

Timing and cash‑flow treatment are not shown in the excerpt; subsequent filings or trade confirmations would disclose proceeds and execution details. Monitor future disclosures if additional material transactions or aggregated insider sales are reported.

Key Figures

Shares listed to be sold: 4911 shares Insider sale recorded: 4912 shares Filing form: Form 144

3 metrics

Shares listed to be sold 4911 shares to be sold on 05/22/2026 (Restricted Stock)

Insider sale recorded 4912 shares sold by Jon C. Coleman on 06/03/2026

Filing form Form 144 Rule 144 notice of proposed sale

Key Terms

Restricted Stock, Form 144, Issuer

3 terms

Restricted Stock regulatory

"Securities To Be Sold | Common | 05/22/2026 | Restricted Stock"

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

"CONTENT TO ANALYZE: ... form_type: "144""

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

"Securities To Be Sold ... | ISSUER | 4911"

FAQ

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

What does DXCM's Form 144 filing mean for shareholders?

It notifies the market of an intended sale of 4911 shares of restricted Common Stock scheduled 05/22/2026. The form is a regulatory notice that an affiliate or restricted holder seeks to sell shares under Rule 144; it does not itself execute a sale.

Who reported recent sales in the DXCM excerpt?

The excerpt reports a sale by Jon C. Coleman of 4912 shares on 06/03/2026. That line records a completed disposition within the past three months as shown in the filing.

Are the securities listed in the Form 144 restricted or unrestricted?

The filing identifies the securities to be sold as Restricted Stock for the entry dated 05/22/2026. That label indicates the shares are subject to resale conditions described under Rule 144.

Does this Form 144 state how much cash the company will receive?

No; the excerpt lists share counts and dates but does not state proceeds or who receives cash. The form is a notice of sale intent, not a disclosure of net proceeds to the issuer.

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

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Accepted by SEC EDGAR 06/04/2026 - 04:10 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	0001442689
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	JON C COLEMAN
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	4911	364052.43	385872977	06/04/2026	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	05/22/2026	Restricted Stock	ISSUER			4911	05/22/2026	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
JON C COLEMAN 6340 Sequence Drive San Diego CA 92121	Common	06/03/2026	4912	358576.00

144: Remarks and Signature

Remarks
Date of Notice	06/04/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	03/04/2026
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/ Jon Coleman
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)