---
schema_version: "secwatch.filing_event.v1"
accession: "0001451505-25-000090"
form_type: "8-K"
ticker: "RIG"
cik: "0001451505"
company_name: "Transocean Ltd."
filed_at: "2025-08-27T23:59:59+00:00"
generated_at: "2026-05-17T09:40:45.080377+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Transocean expects ~$1.9B impairment charge on disposal of five rigs in Q3 2025

## Summary
- Plans to dispose of rigs: Discoverer Clear Leader, Discoverer Americas, Deepwater Champion, Henry Goodrich, Discoverer India.
- Non-cash impairment charge of approximately $1.9 billion expected in Q3 2025.
- Rigs are classified as held for sale; assets primarily associated with these rigs also included.
- Decision to dispose taken on August 27, 2025.

## SEC filing metadata
- accession: 0001451505-25-000090
- form_type: 8-K
- ticker: RIG
- cik: 0001451505
- company_name: Transocean Ltd.
- filed_at: 2025-08-27T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.06, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1451505/000145150525000090/0001451505-25-000090-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1451505/000145150525000090/rig-20250827x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001451505-25-000090
- JSON: https://secwatch.observer/filing/0001451505-25-000090.json
- Plain text: https://secwatch.observer/filing/0001451505-25-000090.txt

## Key facts
- Restructurings & Charges
  Transocean Ltd. announced a impairment with charges of approximately $1.9 billion affecting rigs classified as held for sale: Discoverer Clear Leader, Discoverer Americas, Deepwater Champion, Henry Goodrich and Discoverer India, as well as certain assets primarily associated with these rigs.
  - Type: impairment
  - Charge: approximately $1.9 billion
  - Affected area: rigs classified as held for sale: Discoverer Clear Leader, Discoverer Americas, Deepwater Champion, Henry Goodrich and Discoverer India, as well as certain assets primarily associated with these rigs
  source text: the Company expects its third quarter 2025 results to include an estimated non-cash charge of approximately $1.9 billion associated with the impairment of these assets.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1451505/000145150525000090/0001451505-25-000090-index.htm

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