Iridium Communications Inc (IRDM)
Nasdaq: IRDM · Communications Services, NEC · Mclean, VA · filing with the SEC since 2007
Grade6.7
◀ Past 8.3● Present 7.1▶ Future 5.4
Who owns Iridium Communications Inc
As filed with the SECHolders of 5% or more
4
Blackrock, Inc. holds 12.5% of Common Stock, as its SCHEDULE 13G/A filed Jan 8, 2026 says.
Directors and officers
18
report now, of 27 people on the record since 2008. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 4 named at left.
Holders of 5% or moreshare of the class, as filed
Blackrock, Inc.
SCHEDULE 13G/A · filed Jan 8, 2026 · Common Stock · 9.6% in Apr 23, 2025
Baralonco Limited
SCHEDULE 13D/A · filed Aug 4, 2026 · Common Stock, par value $0.001 per share · 9.53% in Apr 2, 2026
AQR Capital Management, LLC
SCHEDULE 13G · filed Aug 13, 2026 · Common Stock, $0.001 par value
Vanguard Portfolio Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
ARK Investment Management LLC
SCHEDULE 13G/A · filed Dec 5, 2025 · Common Stock · reported falling below 5%, from 6.12% in Nov 4, 2025
Silver Heights Capital Management Inc
SCHEDULE 13G/A · filed Aug 12, 2026 · Common Stock · reported falling below 5%, from 5% in Feb 13, 2026
Baron Capital Group, Inc.
SCHEDULE 13G/A · filed Nov 14, 2025 · Common Stock · reported falling below 5%, from 7.75% in Aug 14, 2025
The Vanguard Group
SCHEDULE 13G/A · filed Mar 26, 2026 · Common Stock · reported falling below 5%, from 10.3% in Mar 5, 2026
What IRDM reports owning in othersstakes of 5% or more, and other ties
12 subsidiaries in 5 countries, from the list filed with the 10-K filed Feb 12, 2026.
Insider tradesForm 4
16sales
2purchases
2sales on a scheduled plan
6people selling
$20.4Msold, in dollars
$900,000bought, in dollars
Open-market trades on Form 4 from Oct 26, 2025 to Oct 26, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Oct 26, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window8 of 29 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Fitzpatrick Thomas | CHIEF FINANCIAL OFFICER | 5 | $11.8M | 0 | 0 | $0 |
| Mcbride Suzanne E. | Chief Operations Officer | 1 | $4.3M | 0 | 0 | $0 |
| Morgan Kathleen A. | Chief Legal Officer | 2 | $1.7M | 0 | 0 | $0 |
| Last Timothy James | EVP, Sales & Marketing | 4 | $1.3M | 0 | 0 | $0 |
| Kapalka Timothy | CAO Iridium Satellite LLC | 3 | $900,000 | 2 | 0 | $0 |
| Olson Eric T | director | 1 | $400,000 | 0 | 0 | $0 |
| Desch Matthew J | Chief Executive Officer | 0 | $0 | 0 | 1 | $300,000 |
| Niehaus Robert H | Senior Vice President | 0 | $0 | 0 | 1 | $500,000 |