Iridium officer plans sale of 2,013 shares

An Iridium Communications Inc. officer filed a Rule 144 notice to sell 2,013 restricted common shares, following a prior sale of 19,521 shares in August 2026.

Rhea-AI Filing Summary

Iridium Communications Inc. (IRDM) has an officer, Timothy J. Last, filing a notice under Rule 144 to sell common stock. The notice lists 2,013 shares of restricted common stock to be sold through Morgan Stanley Smith Barney LLC, with an aggregate value of 95,341.72 as of September 3, 2026, on NASDAQ.

The filing also reports that Timothy J. Last sold 19,521 common shares during the prior three months on August 17, 2026, for total proceeds of 982,753.51.

Key Figures

Shares proposed to be sold: 2,013 shares Aggregate value of proposed sale: 95,341.72 Shares sold in past three months: 19,521 shares +2 more

5 metrics

Shares proposed to be sold 2,013 shares Common stock of Iridium Communications Inc. under Rule 144

Aggregate value of proposed sale 95,341.72 Common shares as of September 3, 2026

Shares sold in past three months 19,521 shares Common stock sale on August 17, 2026

Value of past three-month sale 982,753.51 Common stock sale on August 17, 2026

Security type Restricted common stock Shares to be sold by Timothy J. Last

Key Terms

Rule 144, Restricted Stock, Form 144, common stock

4 terms

Rule 144 regulatory

"See the 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.

Restricted Stock financial

"Common | 09/01/2026 | 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

"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.

common stock financial

"Common | Morgan Stanley Smith Barney LLC Executive Financial Services"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

FAQ

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

What does the Form 144 filing disclose for IRDM?

The Form 144 discloses that Iridium Communications Inc. officer Timothy J. Last plans to sell 2,013 restricted common shares and reports a prior sale of 19,521 common shares during the past three months.

How many Iridium Communications Inc. (IRDM) shares are proposed to be sold under this Form 144?

The notice covers 2,013 shares of restricted common stock of Iridium Communications Inc., with an aggregate value of 95,341.72 as of September 3, 2026.

What recent sales by the filer in IRDM stock are reported in the past three months?

The filing reports that Timothy J. Last sold 19,521 common shares of Iridium Communications Inc. on August 17, 2026, for total consideration of 982,753.51.

What type of Iridium Communications Inc. securities are involved in this Form 144?

The securities are restricted common stock of Iridium Communications Inc., shown as common stock to be sold under Rule 144 through a broker.

Which broker is named for the planned IRDM share sale?

The planned sale of Iridium Communications Inc. shares is listed through Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, New York.

On which market are the IRDM shares in this Form 144 listed?

The Form 144 states that the Iridium Communications Inc. common stock covered by the notice is listed on NASDAQ.

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

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Available on EDGAR 09/03/2026 - 05:19 PM EDT Accepted by SEC EDGAR 09/03/2026 - 05:01 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	0002046045
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	703-287-7400
Name of Person for Whose Account the Securities are To Be Sold	TIMOTHY J LAST
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	2013	95341.72	105960383	09/03/2026	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	09/01/2026	Restricted Stock	Issuer			164	09/01/2026	Not Applicable
Common	09/01/2026	Restricted Stock	Issuer			1123	09/01/2026	Not Applicable
Common	09/01/2026	Restricted Stock	Issuer			412	09/01/2026	Not Applicable
Common	09/01/2026	Restricted Stock	Issuer			314	09/01/2026	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
TIMOTHY J LAST 1676 International Drive, Suite 1100 McLean VA 22102	Common	08/17/2026	19521	982753.51

144: Remarks and Signature

Remarks
Date of Notice	09/03/2026
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/ Timothy James Last
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)