Iridium: Matthew Desch proposes $473K share sale

J.P. Morgan Securities LLC is listed as broker, and the remarks attribute the shares to the Matt and Ann Desch Foundation.

Rhea-AI Filing Summary

Iridium Communications Inc. (IRDM) is named as issuer in a Rule 144 notice for a proposed sale of 10,700 ordinary shares with an aggregate market value of $473,368. J.P. Morgan Securities LLC is listed as broker. Matthew Desch is named as the person whose account the securities are to be sold for; remarks say the shares are for the Matt and Ann Desch Foundation and identify Desch as a director, while the form identifies him as an officer. The shares are listed as acquired from the issuer through an incentive unit conversion on September 29, 2009.

Key Figures

Ordinary shares proposed for sale: 10,700 shares Aggregate market value: $473,368 Issuer shares outstanding: 106,158,479 shares

3 metrics

Ordinary shares proposed for sale 10,700 shares Proposed sale

Aggregate market value $473,368 Proposed sale

Issuer shares outstanding 106,158,479 shares Issuer share count

Key Terms

Rule 144, Incentive Unit Conversion, aggregate market value

3 terms

Rule 144 regulatory

"definition of "person" in paragraph (a) of Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Incentive Unit Conversion technical

"Incentive Unit Conversion"

aggregate market value financial

"Aggregate market value"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

FAQ

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

How many IRDM shares does Matthew Desch propose to sell?

The notice lists a proposed sale of 10,700 ordinary shares with an aggregate market value of $473,368. J.P. Morgan Securities LLC is named as broker.

Who is associated with the proposed IRDM share sale?

Matthew Desch is named as the person whose account the securities are to be sold for. Remarks state the shares are for the Matt and Ann Desch Foundation and identify Desch as a director.

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

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Available on EDGAR 10/26/2026 - 04:21 PM EDT Accepted by SEC EDGAR 10/26/2026 - 04:21 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	0001178032
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	IRIDIUM COMMUNICATIONS INC
SEC File Number	001-33963
Address of Issuer	1676 INTERNATIONAL DRIVE Suite 1100 MCLEAN VIRGINIA 22102
Phone	713-287-7400
Name of Person for Whose Account the Securities are To Be Sold	MATTHEW DESCH
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
Ordinary Shares	J.P. Morgan Securities LLC 270 Park Avenue 10th Floor New York NY 10017	10700	473368	106158479	10/26/2026	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 *
Ordinary Shares	09/29/2009	Incentive Unit Conversion	Issuer			10700	09/29/2009	NA

* 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

Nothing to Report

144: Remarks and Signature

Remarks	The shares sold pursuant to this filing are for the Matt and Ann Desch Foundation, Matthew Desch as Director.
Date of Notice	10/26/2026
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/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Matthew Desch.
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)