---
schema_version: "secwatch.filing_event.v1"
accession: "0001451505-25-000015"
form_type: "8-K"
ticker: "RIG"
cik: "0001451505"
company_name: "Transocean Ltd."
filed_at: "2025-02-18T23:59:59+00:00"
generated_at: "2026-05-26T15:44:28.932108+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Transocean CEO Jeremy Thigpen to step down in Q2 2025; Keelan Adamson named successor

## Summary
- Keelan Adamson, current President and COO, to become President and CEO after transition ending Q2 2025.
- Jeremy Thigpen to remain CEO until transition, then expected to become Executive Chair, subject to shareholder approval.
- Chad Deaton, current Chair, to transition to Lead Independent Director if shareholder approves.
- Keelan Adamson has been with Transocean since 1995, holding roles in ops, HR, and rig management.

## SEC filing metadata
- accession: 0001451505-25-000015
- form_type: 8-K
- ticker: RIG
- cik: 0001451505
- company_name: Transocean Ltd.
- filed_at: 2025-02-18T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1451505/000145150525000015/0001451505-25-000015-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1451505/000145150525000015/rig-20250218x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001451505-25-000015
- JSON: https://secwatch.observer/filing/0001451505-25-000015.json
- Plain text: https://secwatch.observer/filing/0001451505-25-000015.txt

## Key facts
- Executive change
  Jeremy Thigpen departed as Chief Executive Officer at Transocean Ltd..
  - Action: will be succeeded
  - Role: Chief Executive Officer
  source text: Mr. Adamson will succeed Jeremy Thigpen, who has led Transocean as Chief Executive Officer since 2015.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1451505/000145150525000015/0001451505-25-000015-index.htm
- Executive change
  Jeremy Thigpen was appointed as Executive Chair of the Board of Directors at Transocean Ltd..
  - Action: is expected to be appointed
  - Role: Executive Chair of the Board of Directors
  source text: subject to shareholder approval at the Company’s 2025 annual general meeting, Mr. Thigpen is expected to be appointed as Executive Chair of the Board of Directors
  evidence_url: https://www.sec.gov/Archives/edgar/data/1451505/000145150525000015/0001451505-25-000015-index.htm
- Executive change
  Chad Deaton changed role as Lead Independent Director at Transocean Ltd..
  - Action: will transition to
  - Role: Lead Independent Director
  source text: Mr. Chad Deaton, Transocean’s current Chair of the Board, will transition to Lead Independent Director.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1451505/000145150525000015/0001451505-25-000015-index.htm
- Executive change
  Keelan Adamson changed role as President and Chief Executive Officer at Transocean Ltd..
  - Action: will become
  - Role: President and Chief Executive Officer
  source text: Keelan Adamson, the Company’s President and Chief Operating Officer, will become President and Chief Executive Officer following a transition period, which is expected to conclude during the second quarter of 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1451505/000145150525000015/0001451505-25-000015-index.htm

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