[144] DexCom, Inc. SEC Filing

Rhea-AI Filing Summary

Form 144 notice for proposed sale of securities under Rule 144. The filing shows an intended sale of 500 shares of common stock through Morgan Stanley Smith Barney with an aggregate market value of $40,145, slated for 08/15/2025 on NASDAQ. The shares were acquired as restricted stock on 03/08/2024 from the issuer and paid in full on that date. The filing also reports three sales by the same person in the past three months totaling 11,000 shares for gross proceeds of $920,264. The filing identifies the seller in prior sales as Michael Brown.

Insights

Securities Compliance Analyst

TL;DR: Routine Rule 144 notice for a small planned sale; disclosure aligns with required reporting of recent disposals.

The filing documents a proposed small-volume sale of restricted shares via a broker and lists recent dispositions in the prior three months. Key compliance points are present: acquisition date, nature of acquisition, broker details, planned sale date and recent sales history. The absence of the issuer name in the issuer section is notable in this document but the metadata supplies the ticker. The transaction size is immaterial relative to the reported outstanding shares, indicating a low market impact.

Equity Capital Markets Analyst

TL;DR: Economically immaterial sale relative to company float; provides transparency on insider liquidity.

From a market perspective, the planned sale of 500 shares ($40k) and recent sales totaling 11,000 shares ($920k) are small versus 392,155,265 shares outstanding reported in the form, so these transactions are unlikely to affect pricing. The record shows restricted stock granted 03/08/2024 and subsequent periodic sales, which may reflect routine vesting and disposal. No material corporate events or large block trades are disclosed.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	500	40145.00	392155265	08/15/2025	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	03/08/2024	Restricted Stock	ISSUER			500	03/08/2024	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	07/15/2025	500	43015.00
MICHAEL BROWN 6340 Sequence Drive San Diego CA 92121	Common	06/16/2025	500	41400.00
MICHAEL BROWN 6340 Sequence Drive San Diego CA 92121	Common	05/23/2025	10000	842849.00

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)