// company-profile

Iridium Communications Inc.

IRDM
ExchangeNasdaqSectorCommunications Services, NECInc.NYFilings277Insiders22
// api This Iridium Communications Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bearish. Over the last 30 days, insiders net sold $1.1M across 7 transactions, with 1 offsetting purchase.

// 90-day insight

Over the last 90 days, Iridium Communications Inc. insiders bought $0 (11 transactions) and sold $1.1M (8 transactions).

  • Most active insider: Kapalka Timothy with 4 transactions totaling $221K.
  • Largest single sale: $496K by DESCH MATTHEW J on Jun 1, 2026.
  • 20% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.

Activity is mixed — buys and sales are roughly balanced.

Institutional Ownership

Top 13F-HR holders of Iridium Communications Inc. as of 2026-03-31

↑ increasing
Total reported AUM
$2.19B
QoQ change
+64.2%
Reporting period
2026-03-31
#1
BlackRock, Inc.
CIK 2012383
$268.2M
9.7M shares
#2
Silver Heights Capital Management Inc
CIK 1705712
$142.7M
5.1M shares
#3
STATE STREET CORP
CIK 93751
$140.1M
5.1M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 1, 2026Scheimreif ScottIRDM
Tax Withholding
2,205$51.78$114K
Jun 1, 2026Last Timothy JamesIRDM
Tax Withholding
1,498$51.78$78K
Jun 1, 2026Kapalka TimothyIRDM
Tax Withholding
692$51.78$36K
Jun 1, 2026O'Neill Vincent JamesIRDM
Tax Withholding
1,459$51.78$76K
Jun 1, 2026DESCH MATTHEW JIRDM
Tax Withholding
9,583$51.78$496K

45 more transactions hidden

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