Timothy Kapalka - 01 Jun 2026 Form 4 Insider Report for Iridium Communications Inc. (IRDM)

Reporting relationship: CAO Iridium Satellite LLC
Issuer ticker: IRDM
Reported as of: 01 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Jun 2026, 19:55:49 UTC
Prior SEC filing: 06 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Peter L. Trentman, Attorney-in-Fact

Key filing fact

Timothy Kapalka filed Form 4 for Iridium Communications Inc. (IRDM) on 02 Jun 2026.

Key facts

This page summarizes Timothy Kapalka's Form 4 filing for Iridium Communications Inc. (IRDM).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 02 Jun 2026, 19:55.

Change

Previous filing in this sequence was filed on 06 Apr 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001715998 Primary reporting owner

Kapalka Timothy

Relationship: CAO Iridium Satellite LLC
Address: C/O IRIDIUM COMMUNICATIONS INC., 1676 INTERNATIONAL DRIVE, SUITE 1100, MCLEAN
Signature: /s/ Peter L. Trentman, Attorney-in-Fact
Signature date: 02 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

IRDM transaction

Common Stock

Tax liability

Transaction value
Shares: -692
Change %: -1.5%
Price: $51.78^*
Shares after: 45,029
Date: 01 Jun 2026
Ownership: Direct
Footnotes: F1

IRDM transaction

Common Stock

Award

Transaction value
Shares: +4,175
Change %: +9.3%
Price: $0.000000^*
Shares after: 49,204
Date: 01 Jun 2026
Ownership: Direct
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote 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.

Footnote F2

These shares are represented by restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of common stock of the issuer. Of the shares underlying this RSU award, 34% shall vest on June 1, 2027 and the remainder shall vest in equal quarterly installments thereafter on each September 1, December 1, March 1 and June 1, so that all shares of common stock shall be vested as of June 1, 2029, subject to the reporting person's continuous service with the issuer as of each such vesting date.