---
schema_version: "secwatch.filing_event.v1"
accession: "0001451505-25-000099"
form_type: "8-K"
ticker: "RIG"
cik: "0001451505"
company_name: "Transocean Ltd."
filed_at: "2025-09-25T23:59:59+00:00"
generated_at: "2026-05-17T05:39:31.697707+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Transocean prices upsized 125M share offering at $3.05/share for ~$381M gross proceeds

## Summary
- Offering upsized to 125M shares from 100M; price $3.05 per share.
- Gross proceeds expected ~$381.25M before underwriting discounts and expenses.
- Underwriters granted 30-day option for up to 18.75M additional shares.
- Net proceeds to repay or redeem a portion of $655M 8.00% Senior Notes due 2027.
- Offering expected to close September 26, 2025; Citigroup and Morgan Stanley lead.

## SEC filing metadata
- accession: 0001451505-25-000099
- form_type: 8-K
- ticker: RIG
- cik: 0001451505
- company_name: Transocean Ltd.
- filed_at: 2025-09-25T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1451505/000145150525000099/0001451505-25-000099-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1451505/000145150525000099/rig-20250924x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001451505-25-000099
- JSON: https://secwatch.observer/filing/0001451505-25-000099.json
- Plain text: https://secwatch.observer/filing/0001451505-25-000099.txt

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