Iridium Communications (IRDM) director granted new stock units award

Rhea-AI Filing Summary

Iridium Communications director reports new stock awards. Director Robert H. Niehaus reported awards of Iridium Communications Inc. common stock. On December 31, 2025 he acquired 1,111.9 dividend-equivalent rights tied to a quarterly cash dividend of $0.15 per share previously declared by the board, with each right corresponding to one share deliverable when the underlying restricted stock units settle. On January 6, 2026 he received 17,315 restricted stock units, each representing a contingent right to one share of common stock, which vest on January 6, 2027 if he continues serving the company. After these awards, he directly beneficially owned 315,789.6 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^*

NIEHAUS ROBERT H

(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)
12/31/2025

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(1)	12/31/2025		A		1,111.9	A	$0	298,474.6	D
Common Stock(2)	01/06/2026		A		17,315(3)	A	$0(4)	315,789.6	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. On December 4, 2025, the Issuer's board of directors declared a quarterly cash dividend in the amount of $0.15 per share of its common stock, payable on December 31, 2025 to stockholders of record of the common stock at the close of business on December 15, 2025 (the "Dividend"). The amount acquired in column 4 represents equivalent rights accrued as a result of the Dividend on restricted stock units with respect to the Issuer's common stock ("Original RSUs") held by the reporting person. Each dividend equivalent right entitles the reporting person to receive one share of the Issuer's common stock upon the settlement of the Original RSUs and is subject to the same terms and conditions, including vesting and settlement, as the Original RSUs to which it relates. The grant of dividend equivalent rights was approved by the Issuer's board of directors pursuant to Rule 16b-3 of the Securities Exchange Act of 1934, as amended.

2. This security represents restricted stock units. Each restricted stock unit represents a contingent right to receive one share of common stock of the issuer.

3. The shares underlying these restricted stock units vest on January 6, 2027, subject to the reporting person's continued service with the issuer.

4. The restricted stock units were issued to the reporting person pursuant to the issuer's director compensation plan and include 6,493 restricted stock units issued in lieu of annual cash (i) board member retainer fees of $50,000 and (ii) board chair fees of $70,000.

	/s/ Peter L. Trentman, Attorney-in-Fact	01/07/2026
	** 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).
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FAQ

Who reported this Form 4 transaction for Iridium Communications (IRDM)?

The Form 4 was filed by Robert H. Niehaus, who is identified as a director of Iridium Communications Inc. and is the sole reporting person on the form.

What stock awards did Robert H. Niehaus receive from Iridium Communications (IRDM)?

He reported acquiring 1,111.9 dividend-equivalent rights on December 31, 2025 and 17,315 restricted stock units on January 6, 2026, each unit representing a right to receive one share of common stock.

When do the new restricted stock units for IRDM’s director vest?

The shares underlying the reported restricted stock units vest on January 6, 2027, subject to Robert H. Niehaus’s continued service with Iridium Communications Inc.

How were some of the Iridium Communications (IRDM) restricted stock units determined for the director?

A portion of the restricted stock units includes 6,493 units issued in lieu of annual cash board member retainer fees of $50,000 and board chair fees of $70,000 under the director compensation plan.

What dividend-related rights did the Iridium Communications director report?

Following a board-declared quarterly cash dividend of $0.15 per share, he reported 1,111.9 dividend-equivalent rights that mirror the terms and vesting of the original restricted stock units.

How many Iridium Communications shares did the director own after these transactions?

After the reported awards, Robert H. Niehaus beneficially owned 315,789.6 shares of Iridium Communications Inc. common stock in direct form.