---
schema_version: "secwatch.filing_event.v1"
accession: "0001451505-24-000078"
form_type: "8-K"
ticker: "RIG"
cik: "0001451505"
company_name: "Transocean Ltd."
filed_at: "2024-06-24T23:59:59+00:00"
generated_at: "2026-06-01T02:25:42.049523+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Transocean sells Deepwater Nautilus rig for $53.5M; expects $140-150M Q2 impairment charge

## Summary
- Sale of Deepwater Nautilus for $53.5M; estimated non-cash impairment charge of $140-150M in Q2 2024.
- Rig is a fifth-generation ultra-deepwater floater; sale authorized June 17, agreement signed June 19.
- Transaction expected to close in Q3 2024; part of ongoing disposal of non-strategic assets.

## SEC filing metadata
- accession: 0001451505-24-000078
- form_type: 8-K
- ticker: RIG
- cik: 0001451505
- company_name: Transocean Ltd.
- filed_at: 2024-06-24T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.06, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1451505/000145150524000078/0001451505-24-000078-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1451505/000145150524000078/rig-20240617x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001451505-24-000078
- JSON: https://secwatch.observer/filing/0001451505-24-000078.json
- Plain text: https://secwatch.observer/filing/0001451505-24-000078.txt

## Key facts
- Restructurings & Charges
  Transocean Ltd. announced a impairment with charges of $140 million and $150 million affecting deepwater floater Deepwater Nautilus and associated assets.
  - Type: impairment
  - Charge: $140 million and $150 million
  - Affected area: deepwater floater Deepwater Nautilus and associated assets
  source text: the Company decided on June 17, 2024, to authorize the sale of the rig and associated equipment, which the Company expects will result in an estimated non-cash charge for the second quarter 2024 ranging between $140 million and $150 million associated with the impairment of such assets.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1451505/000145150524000078/0001451505-24-000078-index.htm

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