---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-25-034232"
form_type: "8-K"
ticker: "IREN"
cik: "0001878848"
company_name: "IREN Ltd"
filed_at: "2025-09-08T23:59:59+00:00"
generated_at: "2026-05-17T07:42:00.084882+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# IREN appoints Anthony Lewis as CFO; Belinda Nucifora departs effective September 8, 2025

## Summary
- Anthony Lewis, previously Chief Capital Officer since July 2025, becomes CFO.
- Lewis led GPU financings and IREN's capital structure evolution; prior 22 years at Macquarie Group.
- Belinda Nucifora exits after 3.5 years; receives contractual severance.
- Nucifora oversaw U.S. GAAP transition and process improvements, per Co-CEO Daniel Roberts.
- Lewis will lead combined finance and capital markets functions.

## SEC filing metadata
- accession: 0001140361-25-034232
- form_type: 8-K
- ticker: IREN
- cik: 0001878848
- company_name: IREN Ltd
- filed_at: 2025-09-08T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1878848/000114036125034232/0001140361-25-034232-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1878848/000114036125034232/ef20055281_form8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-25-034232
- JSON: https://secwatch.observer/filing/0001140361-25-034232.json
- Plain text: https://secwatch.observer/filing/0001140361-25-034232.txt

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