Vincent James O'Neill - 09 Mar 2026 Form 4 Insider Report for Iridium Communications Inc. (IRDM)

Role: Chief Financial Officer
Signature: /s/ Peter L. Trentman, Attorney-in-Fact
Issuer symbol: IRDM
Transactions as of: 09 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 11 Mar 2026, 17:11:05 UTC
Previous filing: 02 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
O'Neill Vincent James	Chief Financial Officer	C/O IRIDIUM COMMUNICATIONS INC., 1750 TYSONS BOULEVARD, SUITE 1400, MCLEAN	/s/ Peter L. Trentman, Attorney-in-Fact	11 Mar 2026	0002046040

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	IRDM	Common Stock	Tax liability		-2,514	-1.9%	$24.01^*	129,864	09 Mar 2026	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.