---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-081335"
form_type: "8-K"
ticker: "IRDM"
cik: "0001418819"
company_name: "Iridium Communications Inc."
filed_at: "2026-07-07T21:11:18+00:00"
generated_at: "2026-07-07T21:12:06.753379+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Iridium closes Aireon acquisition for $366.7M; assumes $154.7M debt

## Summary
- Completed acquisition of remaining 61% of Aireon for ~$366.7M; 50% cash, 50% deferred via no-interest loan due in one year.
- Assumed Aireon's existing $154.7M term loan (original $175M) with SOFR+6.25% interest, maturing Oct 2028; Iridium provided parent guaranty.
- Retention awards for CFO ($410k) and Chief Legal Officer ($873k) tied to closing of pending Rocket Lab merger; 60% vests at close, 40% at six months.
- Aireon will operate as wholly owned subsidiary; CEO Don Thoma continues, reports to Iridium CEO Matt Desch.

## SEC filing metadata
- accession: 0001104659-26-081335
- form_type: 8-K
- ticker: IRDM
- cik: 0001418819
- company_name: Iridium Communications Inc.
- filed_at: 2026-07-07T21:11:18+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 2.03, 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1418819/000110465926081335/0001104659-26-081335-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1418819/000110465926081335/tm2619278d14_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-081335
- JSON: https://secwatch.observer/filing/0001104659-26-081335.json
- Plain text: https://secwatch.observer/filing/0001104659-26-081335.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.