Iridium Communications Inc. — Director's Dealing 2025

Mar 4, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Iridium Communications Inc. (IRDM)
CIK: 0001418819
Period of Report: 2025-03-01

Reporting Person: Last Timothy James (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-03-01	Common Stock	F	1409	$31.56	Disposed	28625	Direct
2025-03-01	Common Stock	A	23764	—	Acquired	52389	Direct
2025-03-02	Common Stock	A	2196	—	Acquired	54585	Direct
2025-03-02	Common Stock	F	1017	$31.56	Disposed	53568	Direct

Footnotes

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.

F2: 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, 34% shall vest on March 1, 2026 and the remainder shall vest in equal quarterly installments thereafter on each June 1, September 1, December 1 and March 1, so that all shares of common stock shall be vested as of March 1, 2028, subject to the reporting person's continuous service with the issuer as of each such vesting date.

F3: Represents the vested portion of a performance-based restricted stock unit award based on the issuer's satisfaction of certain performance criteria. In light of the performance-based vesting conditions of the award, such award was not reportable under Section 16 until vesting was determined, which occurred on March 2, 2025.

F4: 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 restricted stock unit award reported in footnote (3) herein.