Iridium Communications Inc. (IRDM) Insider Trading
Over the last 3 months, IRDM insiders made 0 open-market buys and 9 sales, a net sale of -$19.3M (SEC Form 4). Over the last 6 months, 281 institutions increased and 232 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
9
Net (3m)
-$19.3M
Insider trades by month Buys Sells
Jun
Oct
Nov
Apr
Aug
Context3-month price -2%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 19, 2026 | Morgan Kathleen A.officer: Chief Legal Officer | Sell | 544 | $50.85 |
| Aug 19, 2026 | McBride Suzanne E.director, officer: Chief Operations Officer | Sell | 85,454 | $50.28 |
| Aug 19, 2026 | Kapalka Timothyofficer: CAO Iridium Satellite LLC | Sell | 13,473 | $50.51 |
| Aug 19, 2026 | FITZPATRICK THOMASdirector | Sell | 209,233 | $50.22 |
| Aug 19, 2026 | Last Timothy Jamesofficer: EVP, Sales & Marketing | Sell | 19,021 | $50.33 |
| Aug 19, 2026 | Last Timothy Jamesofficer: EVP, Sales & Marketing | Sell | 500 | $50.88 |
| Aug 19, 2026 | FITZPATRICK THOMASdirector | Sell | 15,046 | $49.20 |
| Aug 19, 2026 | Olson Eric Tdirector | Sell | 8,000 | $50.61 |
| Aug 19, 2026 | Morgan Kathleen A.officer: Chief Legal Officer | Sell | 32,648 | $50.34 |
| Jul 13, 2026 | Thoma Donald Leeofficer: EVP, Aireon | Grant | 41,949 | — |
| Jul 2, 2026 | Canfield Thomas Cdirector | Grant | 639 | — |
| Jul 2, 2026 | NIEHAUS ROBERT Hdirector | Grant | 378 | — |
| Jul 2, 2026 | FRAZIER LEON ANTHONYdirector | Grant | 93 | — |
| Jul 2, 2026 | FITZPATRICK THOMASdirector | Grant | 48 | — |
| Jul 2, 2026 | Alterman Louis Mdirector | Grant | 38 | — |
| Jul 2, 2026 | Sears Kaydirector | Grant | 30 | — |
| Jul 2, 2026 | Olson Eric Tdirector | Grant | 385 | — |
| Jun 2, 2026 | Last Timothy Jamesofficer: EVP, Sales & Marketing | Tax | 1,498 | $51.78 |
| Jun 2, 2026 | DESCH MATTHEW Jdirector, officer: Chief Executive Officer | Tax | 9,583 | $51.78 |
| Jun 2, 2026 | McBride Suzanne E.director, officer: Chief Operations Officer | Tax | 3,622 | $51.78 |
| Jun 2, 2026 | Morgan Kathleen A.officer: Chief Legal Officer | Tax | 2,052 | $51.78 |
| Jun 2, 2026 | Scheimreif Scottofficer: EVP-Government Programs | Tax | 2,205 | $51.78 |
| Jun 2, 2026 | O'Neill Vincent Jamesofficer: Chief Financial Officer | Tax | 1,459 | $51.78 |
| Jun 2, 2026 | Kapalka Timothyofficer: CAO Iridium Satellite LLC | Tax | 692 | $51.78 |
| Jun 2, 2026 | Kapalka Timothyofficer: CAO Iridium Satellite LLC | Grant | 4,175 | — |
| Apr 6, 2026 | Kapalka Timothyofficer: CAO Iridium Satellite LLC | Sell | 3,790 | $31.00 |
| Apr 6, 2026 | Kapalka Timothyofficer: CAO Iridium Satellite LLC | Sell | 2,043 | $33.00 |
| Apr 2, 2026 | FITZPATRICK THOMASdirector | Grant | 95 | — |
| Apr 2, 2026 | YEANEY JACQUELINE Edirector | Grant | 58 | — |
| Apr 2, 2026 | Krongard A Bdirector | Grant | 640 | — |
Source: IRDM SEC Form 4 filings, latest Aug 19, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their IRDM positions over the last 6 months (SEC Form 13F).
Increased
281
New positions
265
Reduced
232
Sold out
49
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 13.9M | May 13, 2026 |
| BlackRock, Inc. | Reduced | 13.4M | Aug 7, 2026 |
| AQR CAPITAL MANAGEMENT LLC | Increased | 6.8M | Aug 14, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 6.1M | May 8, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 5.4M | Aug 13, 2026 |
| SILVER HEIGHTS CAPITAL MANAGEMENT INC | Reduced | 5.1M | May 13, 2026 |
| STATE STREET CORP | Increased | 5.1M | May 15, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 4.9M | Aug 12, 2026 |
| STATE STREET CORP | Reduced | 4.7M | Aug 7, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 4.2M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 4.1M | May 15, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 3.5M | May 15, 2026 |
| GOTHAM ASSET MANAGEMENT, LLC | Increased | 3.4M | May 15, 2026 |
| Silver Heights Capital Management Inc | Reduced | 3.3M | Aug 12, 2026 |
| AQR CAPITAL MANAGEMENT LLC | Increased | 2.9M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.