Quick Takeaways
- Frederik W. Mohn filed SCHEDULE 13D/A for TRANSOCEAN LTD. Shares, $0.10 par value (RIG).
- Disclosed ownership: 10%.
- Date of event: 30 Sep 2025.
Frederik W. Mohn - 30 Sep 2025 SCHEDULE 13D/A Report for TRANSOCEAN LTD. Shares, $0.10 par value (RIG)
- Filing Manager
- Frederik W. Mohn
- Reporting Manager
- Frederik W. Mohn
- Symbol
- RIG
- Shares outstanding
- 944,735,653 shares
- Disclosed Ownership
- 95,418,301 shares
- Ownership
- 10%
- Form type
- SCHEDULE 13D/A
- Filing time
- 30 Sep 2025, 21:38:19 UTC
- Date of event
- 30 Sep 2025
- Next filing
- 11 Feb 2026
- SEC
- View on sec.gov
Quoteable Key Fact
"Frederik W. Mohn disclosed 10% ownership in TRANSOCEAN LTD. Shares, $0.10 par value (RIG) on 30 Sep 2025."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 30 Sep 2025, 21:38.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Official SEC Source
Backed by Schedule 13D/13G
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
See Original FilingReporting Managers (3)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Frederik W. Mohn | 10% | 95,418,301 | 343,407 | 95,074,894 | /s/ Frederik W. Mohn | Frederik W. Mohn | 0001729638 |
| Perestroika AS | 10% | 95,074,894 | 0 | 95,074,894 | /s/ Frederik W. Mohn | Chairman and Sole Director | 0001729635 |
| Perestroika (Cyprus) Ltd | 10% | 95,074,894 | 0 | 95,074,894 | /s/ Frederik W. Mohn | Director | 0001737912 |