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
Security
TRANSOCEAN LTD. Shares, $0.10 par value
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

Reporting 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