[Form 4] Iridium Communications Inc. Insider Trading Activity

Rhea-AI Filing Summary

Iridium Communications insider Kathleen A. Morgan, the companys Chief Legal Officer, reported a non-derivative disposition of 1,215 shares of Iridium common stock on 09/01/2025. The sale was executed at a price of $24.89 per share and is described as the issuer withholding shares to satisfy the reporting persons tax withholding obligations related to the vesting and settlement of restricted stock units. After the transaction, Ms. Morgan beneficially owned 80,712 shares, held directly. The Form 4 was signed by an attorney-in-fact on 09/02/2025.

Positive

• Insider retains a substantial direct stake of 80,712 shares after the withholding, indicating continued ownership alignment.
• Transaction is routine and administrative, described as tax-withholding from RSU settlement rather than an active open-market liquidation.

Negative

• None.

Insights

Securities Compliance Analyst

TL;DR: Routine tax-withholding share disposition from RSU settlement; immaterial to company fundamentals.

This Form 4 documents a common administrative transaction where the issuer withheld 1,215 shares to satisfy tax obligations upon RSU vesting. The reported per-share price of $24.89 reflects the withholding valuation, not a market-driven open-market sale intended to liquidate holdings. The reporter retains a meaningful direct stake of 80,712 shares, indicating continued alignment with shareholders. There are no derivative transactions or changes in control disclosed.

Corporate Governance Specialist

TL;DR: Administrative equity transaction tied to compensation; no governance or ownership control change.

The disclosure states the transaction was to satisfy tax withholding for RSU settlement, a standard compensation administration practice. Such withholdings typically reduce vested share counts but do not represent discretionary sales by the reporting person. No new options, grants, or transfers to related parties are reported, and the filing identifies the reporting person as an officer and company director, with direct ownership preserved at 80,712 shares. Impact on governance and voting power is negligible.

SEC Form 4

FORM 4

UNITED 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
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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^*

Morgan Kathleen A.

(Last) (First) (Middle)

C/O IRIDIUM COMMUNICATIONS INC.

1750 TYSONS BOULEVARD, SUITE 1400

(Street)

MCLEAN VA 22102

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Iridium Communications Inc. [ IRDM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CHIEF LEGAL OFFICER

3. Date of Earliest Transaction (Month/Day/Year)
09/01/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/01/2025		F(1)		1,215	D	$24.89	80,712	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The transaction reported represents the withholding of shares by the issuer to satisfy the reporting person's tax withholding obligations in connection with the non-reportable vesting and settlement of restricted stock units.

	/s/ Patrick McClain, Attorney-in-Fact	09/02/2025
	** Signature of Reporting Person	Date
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.

FAQ

What transaction did Kathleen A. Morgan report on Form 4 for IRDM?

The Form 4 reports the disposition of 1,215 shares on 09/01/2025, withheld to satisfy tax obligations from RSU vesting.

At what price were the shares withheld in the IRDM Form 4?

The withholding is reported at a per-share price of $24.89.

How many IRDM shares does the reporting person own after the transaction?

Following the reported transaction, the reporting person beneficially owned 80,712 shares, held directly.

Was the Form 4 transaction a sale or a tax withholding?

The filing explicitly states the transaction represents withholding of shares by the issuer to satisfy tax withholding obligations related to RSU vesting and settlement.

When was the Form 4 signed for this IRDM filing?

The Form 4 bears a signature by an attorney-in-fact on 09/02/2025.