Frederik W. Mohn - 09 Feb 2026 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
1,101,344,330 shares
Disclosed Ownership
96,918,301 shares
Ownership
8.8%
Form type
SCHEDULE 13D/A
Filing time
11 Feb 2026, 21:25:28 UTC
Date of event
09 Feb 2026
Previous filing
30 Sep 2025
SEC
View on sec.gov

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Frederik W. Mohn 8.8% 96,918,301 343,407 96,574,894 /s/ Frederik W. Mohn Frederik W. Mohn 0001729638
Perestroika AS 8.8% 96,574,894 0 96,574,894 /s/ Frederik W. Mohn Chairman and Sole Director
Perestroika (Cyprus) Ltd 8.8% 96,574,894 0 96,574,894 /s/ Frederik W. Mohn Director