Iridium (IRDM) director Fitzpatrick logs PSU share award and tax withholding

Rhea-AI Filing Summary

Iridium Communications director Thomas Fitzpatrick reported equity compensation activity involving company common stock. On February 26, 2026, he acquired 34,247 shares at $0.00 per share as a grant or award tied to performance-based restricted stock units (PSUs) that were granted on March 1, 2024 and certified as earned. All of these PSUs settled on March 1, 2026, bringing his holdings to 276,161.7 shares.

On March 1, 2026, 8,767 shares were disposed of at $22.49 per share in a tax-withholding transaction, where shares were withheld by Iridium to satisfy his tax obligations related to the PSU vesting and settlement. After this withholding, his direct ownership stood at 267,394.7 common shares.

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

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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^*

FITZPATRICK THOMAS

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
02/26/2026

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	02/26/2026		A		34,247(1)	A	$0	276,161.7	D
Common Stock	03/01/2026		F(2)		8,767	D	$22.49	267,394.7	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. Reflects the number of shares certified as earned with respect to an award of performance-based restricted stock units ("PSUs") granted on March 1, 2024. All of the PSUs settled on March 1, 2026.

2. The transaction reported represents the withholding of shares by the issuer to satisfy the reporting person's tax withholding obligations in connection with the vesting and settlement of the PSU award discussed in footnote (1) herein.

	/s/ Peter L. Trentman, Attorney-in-Fact	03/02/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transactions did Iridium Communications (IRDM) director Thomas Fitzpatrick report?

Thomas Fitzpatrick reported a grant of 34,247 shares of Iridium Communications common stock and a separate tax-withholding disposition of 8,767 shares. Both transactions are tied to performance-based restricted stock units that were granted in 2024 and settled on March 1, 2026.

How many Iridium Communications (IRDM) shares did Thomas Fitzpatrick acquire in the latest Form 4?

He acquired 34,247 shares of Iridium Communications common stock at $0.00 per share as a grant or award. These shares reflect performance-based restricted stock units that were certified as earned from a March 1, 2024 PSU grant and settled on March 1, 2026.

Why did Thomas Fitzpatrick dispose of Iridium Communications (IRDM) shares on March 1, 2026?

The 8,767-share disposition was for tax withholding, with shares withheld by Iridium Communications to cover his tax obligations. This occurred in connection with the vesting and settlement of previously granted performance-based restricted stock units that fully settled on March 1, 2026.

What prices were reported for Thomas Fitzpatrick’s Iridium Communications (IRDM) Form 4 transactions?

The equity grant of 34,247 Iridium Communications shares was reported at $0.00 per share, reflecting an award rather than an open-market purchase. The 8,767-share tax-withholding disposition was reported at a transaction price of $22.49 per share on March 1, 2026.

How many Iridium Communications (IRDM) shares does Thomas Fitzpatrick own after these Form 4 transactions?

After the reported transactions, Thomas Fitzpatrick directly owns 267,394.7 shares of Iridium Communications common stock. This reflects the net result of the 34,247-share performance-based award and the 8,767-share tax-withholding disposition tied to the PSU vesting and settlement.

What are the performance-based restricted stock units (PSUs) referenced in Thomas Fitzpatrick’s Iridium (IRDM) filing?

The PSUs are performance-based restricted stock units granted on March 1, 2024, later certified as earned. All of these PSUs settled on March 1, 2026, resulting in 34,247 shares being delivered to Thomas Fitzpatrick, with a portion withheld to satisfy related tax obligations.