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
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Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2025-12-04
5:19 pm
Purchase
2025-11-2813DNauticus Robotics, Inc.
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
Mohn Frederik Wilhelm95,418,301
10.100%
95,418,301increase
(New Position)
Filing
History
2025-08-14
1:11 pm
Sale
2025-06-3013GTransocean Ltd.
RIG
PRIMECAP MANAGEMENT CO/CA/13,126,722
1.490%
-37,572,667decrease
(-74.11%)
Filing
History
2025-04-23
7:39 pm
Purchase
2025-03-3113GTransocean Ltd.
RIG
BlackRock Inc.
BLK
56,117,603
6.400%
38,061,504increase
(+210.80%)
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
The Vanguard Group68,551,328
8.470%
5,146,281increase
(+8.12%)
Filing
History
2024-02-12
4:01 pm
Purchase
2023-12-3113GTransocean Ltd.
RIG
PRIMECAP MANAGEMENT CO/CA/50,699,389
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 CO/CA/46,564,489
6.450%
-959,517decrease
(-2.02%)
Filing
History
2023-02-09
11:35 am
Purchase
2022-12-3013GTransocean Ltd.
RIG
The Vanguard Group63,405,047
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
2022-05-17
4:56 pm
Purchase
2022-05-1313DTransocean Ltd.
RIG
Perestroika82,831,418
12.200%
5,006,700increase
(+6.43%)
Filing
History
2022-02-10
12:28 pm
Sale
2021-12-3113GTransocean Ltd.
RIG
PRIMECAP MANAGEMENT CO/CA/47,524,006
7.250%
-1,019,100decrease
(-2.10%)
Filing
History
2022-02-10
08:42 am
Sale
2021-12-3113GTransocean Ltd.
RIG
The Vanguard Group51,597,016
7.870%
-4,021,814decrease
(-7.23%)
Filing
History
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