CIK 0001451505 · Large accelerated filer
Transocean Ltd.
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- RIG
- Exchange
- NYSE
- Industry
- Drilling Oil & Gas Wells
- FY end
- Dec 31
- Incorporated
- Switzerland
- Entity type
- operating
- EIN
- 980599916
- Phone
- 41 41 749 0500
- Business address
- TURMSTRASSE 30, STEINHAUSEN, Switzerland, 6312
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $0
- in 0 filings
Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-07-02 | DEATON CHAD C Director | Purchase | +35,000 | $4.95 | $173K | 237,421 |
| 2025-11-24 | Perestroika (Cyprus) Ltd Director | Purchase | +1,500,000 | $4.02 | $6.0M | 96,574,894 |
| 2025-11-24 | Mohn Frederik Wilhelm Director | Purchase | +1,500,000 | $4.02 | $6.0M | 96,574,894 |
| 2025-11-24 | Perestroika Director | Purchase | +1,500,000 | $4.02 | $6.0M | 96,574,894 |
| 2025-09-26 | Perestroika (Cyprus) Ltd Director | Purchase | +4,000,000 | $3.05 | $12.2M | 95,074,894 |
| 2025-09-26 | Mohn Frederik Wilhelm Director | Purchase | +4,000,000 | $3.05 | $12.2M | 95,074,894 |
| 2025-09-26 | Perestroika Director | Purchase | +4,000,000 | $3.05 | $12.2M | 95,074,894 |
| 2025-04-30 | CHANG VANESSA C L Director | Purchase | +10,000 | $2.14 | $21K | 59,200 |
| 2024-09-12 | Perestroika Director | Purchase | +1,500,000 | $4.13 | $6.2M | 91,074,894 |
| 2024-09-12 | Perestroika (Cyprus) Ltd Director | Purchase | +1,500,000 | $4.13 | $6.2M | 91,074,894 |
| 2024-09-12 | Mohn Frederik Wilhelm Director | Purchase | +1,500,000 | $4.13 | $6.2M | 91,074,894 |
| 2024-08-02 | Perestroika (Cyprus) Ltd Director | Purchase | +2,000,000 | $5.23 | $10.5M | 89,574,894 |
| 2024-08-02 | Perestroika Director | Purchase | +2,000,000 | $5.23 | $10.5M | 89,574,894 |
| 2024-08-02 | Mohn Frederik Wilhelm Director | Purchase | +2,000,000 | $5.23 | $10.5M | 89,574,894 |
| 2024-05-15 | Perestroika (Cyprus) Ltd Director | Purchase | +2,000,000 | $6.01 | $12.0M | 87,574,894 |
| 2024-05-15 | Perestroika Director | Purchase | +2,000,000 | $6.01 | $12.0M | 87,574,894 |
| 2024-05-15 | Mohn Frederik Wilhelm Director | Purchase | +2,000,000 | $6.01 | $12.0M | 87,574,894 |
| 2024-02-27 | Perestroika (Cyprus) Ltd Director | Purchase | +1,000,000 | $4.89 | $4.9M | 85,574,894 |
| 2024-02-27 | Perestroika Director | Purchase | +1,000,000 | $4.89 | $4.9M | 85,574,894 |
| 2024-02-27 | Mohn Frederik Wilhelm Director | Purchase | +1,000,000 | $4.89 | $4.9M | 85,574,894 |
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