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Iridium Communications (IRDM) awards 41,949 RSUs to EVP Donald Thoma

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Thoma Donald Lee reported acquisition or exercise transactions in this Form 4 filing.

Iridium Communications EVP, Aireon, Donald Lee Thoma received a grant of 41,949 restricted stock units, each representing a contingent right to one share of common stock. According to the award terms, 66% of the units vest on July 10, 2027 and the remainder on December 15, 2027, subject to his continued service. Thoma is also reported as having 8,228 common shares held indirectly through revocable trusts, for which he disclaims beneficial ownership except to the extent of his pecuniary interest.

Positive

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Negative

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Insider Thoma Donald Lee
Role EVP, Aireon
Type Security Shares Price Value
Grant/Award Common Stock 41,949 $0.00 --
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 41,949 shares (Direct); Common Stock — 8,228 shares (Indirect, By Donald Lee Thoma Revocable Trust dated 3/13/2024 and Petra Jelonnek Revocable Trust dtd 3/13/2024)
Footnotes (1)
  1. These shares are represented by restricted stock units. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer. Of the shares underlying this restricted stock unit award, 66% shall vest on July 10, 2027 and the remainder shall vest on December 15, 2027, subject to the reporting person's continued service with the Issuer as of each vesting date. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.
Restricted stock units granted 41,949 units Equity award to EVP, Aireon Donald Lee Thoma, each unit for one share of common stock
First vesting tranche 66% of award Portion of RSUs scheduled to vest on July 10, 2027, subject to continued service
Second vesting date December 15, 2027 Date on which the remainder of the 41,949 RSUs is scheduled to vest
Grant price per RSU $0.0000 per share Stated transaction price for the RSU award, indicating no cash purchase
Indirectly held common shares 8,228 shares Iridium common stock held through revocable trusts with beneficial ownership disclaimed except for pecuniary interest
restricted stock units financial
"These shares are represented by restricted stock units. Each restricted stock unit represents a contingent right"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
pecuniary interest financial
"The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest"
revocable trust financial
"By Donald Lee Thoma Revocable Trust dated 3/13/2024 and Petra Jelonnek Revocable Trust"
A revocable trust is a legal arrangement where the person who creates it keeps control and can change or cancel the trust at any time, while naming who will manage and receive the assets later. Think of it like a flexible folder for your investments and property that can be relabeled or reworked as circumstances change; it matters to investors because it determines how ownership is recorded, how easily assets transfer on incapacity or death, and whether holdings bypass public probate proceedings.
beneficial ownership financial
"The reporting person disclaims beneficial ownership of these securities except to the extent"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
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FAQ

What equity award did Iridium (IRDM) grant to EVP Donald Lee Thoma?

Iridium granted Donald Lee Thoma 41,949 restricted stock units (RSUs), each representing a contingent right to receive one share of common stock, as part of his compensation for his role as EVP, Aireon.

When do Donald Lee Thoma’s 41,949 Iridium (IRDM) RSUs vest?

66% of the 41,949 RSUs vest on July 10, 2027, and the remainder vests on December 15, 2027, in each case subject to Thoma’s continued service with Iridium through the applicable vesting date.

Is Donald Lee Thoma’s Iridium (IRDM) RSU award a market purchase of shares?

No. The 41,949 RSUs are a grant or award of equity compensation at a stated price of $0.0000 per share, not an open-market purchase of Iridium common stock.

How many Iridium (IRDM) shares does Donald Lee Thoma hold indirectly?

The filing reports 8,228 shares of Iridium common stock held indirectly through revocable trusts associated with Donald Lee Thoma and Petra Jelonnek, rather than held directly in his own name.

What beneficial ownership limitation does Thoma note for his indirect Iridium (IRDM) holdings?

For the indirectly held shares, Thoma disclaims beneficial ownership of the securities except to the extent of his pecuniary interest, indicating he does not claim full economic ownership of all shares held by the trusts.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Thoma Donald Lee

(Last)(First)(Middle)
C/O IRIDIUM COMMUNICATIONS INC.
1676 INTERNATIONAL DRIVE, SUITE 1100

(Street)
MCLEAN VIRGINIA 22102

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Iridium Communications Inc. [ IRDM ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
EVP, Aireon
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/10/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock07/10/2026A41,949(1)A$041,949D
Common Stock8,228IBy Donald Lee Thoma Revocable Trust dated 3/13/2024 and Petra Jelonnek Revocable Trust dtd 3/13/2024(2)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. These shares are represented by restricted stock units. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer. Of the shares underlying this restricted stock unit award, 66% shall vest on July 10, 2027 and the remainder shall vest on December 15, 2027, subject to the reporting person's continued service with the Issuer as of each vesting date.
2. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.
/s/ Peter L. Trentman, Attorney-in-Fact07/13/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)