---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-055235"
form_type: "8-K"
ticker: "RIG"
cik: "0001451505"
company_name: "Transocean Ltd."
filed_at: "2026-05-05T23:59:59+00:00"
generated_at: "2026-05-14T23:19:56.592212+00:00"
event_type: "m_and_a"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# DOJ issues Second Request on Transocean-Valaris merger, extending HSR waiting period

## Summary
- On May 4, 2026, Transocean and Valaris each received a DOJ Second Request under the HSR Act.
- Second Request extends HSR waiting period until 30 days after both parties substantially comply.
- Transocean withdrew its initial HSR filing on April 1, 2026, and refiled on April 3, 2026.
- Deal exchange ratio is 15.235 Transocean shares per Valaris share; other conditions remain pending.

## SEC filing metadata
- accession: 0001104659-26-055235
- form_type: 8-K
- ticker: RIG
- cik: 0001451505
- company_name: Transocean Ltd.
- filed_at: 2026-05-05T23:59:59+00:00
- event_type: m_and_a
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1451505/000110465926055235/0001104659-26-055235-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1451505/000110465926055235/tm269762d6_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-055235
- JSON: https://secwatch.observer/filing/0001104659-26-055235.json
- Plain text: https://secwatch.observer/filing/0001104659-26-055235.txt

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