Transocean Ltd. (RIG) - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Goto 0, 1, Next
Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-03-27
1:36 pm
Sale
2026-03-1313GTRANSOCEAN LTD
RIG
VANGUARD GROUP INC0
0.000%
-68,551,328decrease
(Position Closed)
Filing
History
2026-02-13
9:59 pm
Purchase
2026-02-0913DVALARIS LTD COM
VAL
Transocean Ltd.
RIG
12,573,155
18.100%
12,573,155increase
(New Position)
Filing
History
2026-02-11
9:25 pm
Purchase
2026-02-0913DTRANSOCEAN LTD
RIG
Frederik W. Mohn96,918,301
8.800%
1,500,000increase
(+1.57%)
Filing
History
2025-12-04
5:19 pm
Purchase
2025-11-2813DNAUTICUS ROBOTICS, INC PA
KITT
Transocean Ltd.
RIG
6,421
0.100%
6,421increase
(New Position)
Filing
History
2025-09-30
9:38 pm
Purchase
2025-09-3013DTRANSOCEAN LTD
RIG
Frederik W. Mohn95,418,301
10.100%
95,418,301increase
(New Position)
Filing
History
2025-08-14
1:11 pm
Sale
2025-06-3013GTRANSOCEAN LTD
RIG
PRIMECAP MANAGEMENT CO13,126,722
1.490%
-37,572,667decrease
(-74.11%)
Filing
History
2025-04-23
7:39 pm
Sale
2025-03-3113GTRANSOCEAN LTD
RIG
BlackRock Inc.
BLK
56,117,603
6.400%
-14,388,676decrease
(-20.41%)
Filing
History
2025-02-13
4:53 pm
Sale
2024-12-3113GTRANSOCEAN LTD
RIG
Capital World Investors40,222,614
4.600%
-8,038,055decrease
(-16.66%)
Filing
History
2024-11-13
12:42 pm
Purchase
2024-09-3013GTRANSOCEAN LTD
RIG
Capital World Investors48,260,669
5.500%
48,260,669increase
(New Position)
Filing
History
2024-11-08
5:31 pm
Unchanged
2024-09-3013GTRANSOCEAN LTD
RIG
BlackRock Inc.
BLK
70,506,279
8.100%
0
(Unchanged)
Filing
2024-10-22
3:24 pm
Purchase
2024-09-3013GTRANSOCEAN LTD
RIG
BlackRock Inc.
BLK
70,506,279
8.100%
56,572,573increase
(+406.01%)
Filing
2024-10-15
08:33 am
Sale
2024-09-3013GTRANSOCEAN LTD
RIG
Hayfin Management Holdings Limited41,544,493
4.800%
-13,968,550decrease
(-25.16%)
Filing
History
2024-07-09
4:11 pm
Purchase
2024-06-2813GTRANSOCEAN LTD
RIG
Hayfin Management Holdings Limited55,513,043
5.900%
55,513,043increase
(New Position)
Filing
History
2024-02-13
5:15 pm
Purchase
2023-12-2913GTRANSOCEAN LTD
RIG
VANGUARD GROUP INC68,551,328
8.470%
5,146,281increase
(+8.12%)
Filing
History
2024-02-12
4:01 pm
Purchase
2023-12-3113GTRANSOCEAN LTD
RIG
PRIMECAP MANAGEMENT CO50,699,389
6.270%
4,134,900increase
(+8.88%)
Filing
History
2023-02-14
4:58 pm
Sale
2022-12-3113GTRANSOCEAN LTD
RIG
D. E. Shaw & Co., L.P.35,082,073
4.900%
-1,048,743decrease
(-2.90%)
Filing
History
2023-02-09
4:02 pm
Sale
2022-12-3113GTRANSOCEAN LTD
RIG
PRIMECAP MANAGEMENT CO46,564,489
6.450%
-959,517decrease
(-2.02%)
Filing
History
2023-02-09
11:35 am
Purchase
2022-12-3013GTRANSOCEAN LTD
RIG
VANGUARD GROUP INC63,405,047
8.780%
11,808,031increase
(+22.89%)
Filing
History
2022-12-19
4:15 pm
Unchanged
2022-12-1213DTRANSOCEAN LTD
RIG
Perestroika82,831,418
11.500%
0
(Unchanged)
Filing
History
2022-11-25
1:33 pm
Purchase
2022-11-1413GTRANSOCEAN LTD
RIG
D. E. Shaw & Co., L.P.36,130,816
5.000%
36,130,816increase
(New Position)
Filing
History
Goto 0, 1, Next