Form 4 holding
Director
Transocean Ltd.
- Security class
- Registered Shares
- Shares / value
- 96,574,894
- Estimated value
- $388,231,073
- Report date
- 24 Nov 2025
- Price
- $4.02
- Ownership
- By Perestroika (Cyprus) Ltd.
Perestroika
Insider Reports History
- Reporting-owner location
- Steinhausen
- Latest reporting-owner signature
-
/s/ Daniel Ro-Trock by Power of Attorney
Source: Latest parsed Forms 3/4/5 signature
- Transaction source note
- Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.
Identity
Names, identifiers, and filing context for this profile.
1 identity field
SEC source record
Original filing metadata and source links for verification.
1 source field
Source evidence
Original filing metadata and source links for verification.
1 source field
Reported holdings for Perestroika
Insider Reports Filed by Perestroika
4
RIG
Transocean Ltd.
- Report period
- 24 Nov 2025
- Transactions
- 1
- Transaction value
- +$6,030,000
- Accepted by SEC
- 25 Nov 2025, 17:31
- Role
- Director
- Next action
- Open filing details
4
RIG
Transocean Ltd.
- Report period
- 26 Sep 2025
- Transactions
- 1
- Transaction value
- +$12,200,000
- Accepted by SEC
- 30 Sep 2025, 21:42
- Role
- Director, 10%+ Owner
- Next action
- Open filing details
4
RIG
Transocean Ltd.
- Report period
- 12 Sep 2024
- Transactions
- 1
- Transaction value
- +$6,195,000
- Accepted by SEC
- 13 Sep 2024, 17:19
- Role
- Director, 10%+ Owner
- Next action
- Open filing details
4
RIG
Transocean Ltd.
- Report period
- 02 Aug 2024
- Transactions
- 1
- Transaction value
- +$10,460,000
- Accepted by SEC
- 05 Aug 2024, 06:32
- Role
- Director, 10%+ Owner
- Next action
- Open filing details
4
RIG
Transocean Ltd.
- Report period
- 15 May 2024
- Transactions
- 1
- Transaction value
- +$12,020,000
- Accepted by SEC
- 17 May 2024, 17:43
- Role
- Director, 10%+ Owner
- Next action
- Open filing details
4
RIG
Transocean Ltd.
- Report period
- 27 Feb 2024
- Transactions
- 1
- Transaction value
- +$4,890,000
- Accepted by SEC
- 29 Feb 2024, 16:30
- Role
- Director, 10%+ Owner
- Next action
- Open filing details
4
RIG
Transocean Ltd.
- Report period
- 15 Sep 2023
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 19 Sep 2023, 17:20
- Role
- Director, 10%+ Owner
- Next action
- Open filing details
4
RIG
Transocean Ltd.
- Report period
- 21 Apr 2023
- Transactions
- 2
- Transaction value
- +$115,907
- Accepted by SEC
- 25 Apr 2023, 19:04
- Role
- Director, 10%+ Owner
- Next action
- Open filing details
4/A
RIG
Transocean Ltd.
- Report period
- 13 May 2022
- Transactions
- 1
- Transaction value
- +$7,500,000
- Accepted by SEC
- 25 Apr 2023, 19:00
- Role
- Director, 10%+ Owner
- Next action
- Open filing details
4
RIG
Transocean Ltd.
- Report period
- 25 Jun 2021
- Transactions
- 1
- Transaction value
- +$4,530,000
- Accepted by SEC
- 28 Jun 2021, 16:24
- Role
- Director, 10%+ Owner
- Next action
- Open filing details
4
RIG
Transocean Ltd.
- Report period
- 23 Jun 2021
- Transactions
- 2
- Transaction value
- +$8,910,000
- Accepted by SEC
- 25 Jun 2021, 17:28
- Role
- Director, 10%+ Owner
- Next action
- Open filing details
4
RIG
Transocean Ltd.
- Report period
- 21 Jun 2021
- Transactions
- 2
- Transaction value
- +$8,290,000
- Accepted by SEC
- 23 Jun 2021, 17:04
- Role
- Director, 10%+ Owner
- Next action
- Open filing details
4
RIG
Transocean Ltd.
- Report period
- 17 Jun 2021
- Transactions
- 2
- Transaction value
- +$11,473,000
- Accepted by SEC
- 21 Jun 2021, 16:50
- Role
- Director, 10%+ Owner
- Next action
- Open filing details
4
RIG
Transocean Ltd.
- Report period
- 15 Jun 2021
- Transactions
- 2
- Transaction value
- +$20,910,000
- Accepted by SEC
- 17 Jun 2021, 18:31
- Role
- Director, 10%+ Owner
- Next action
- Open filing details