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 |
|---|---|---|---|---|---|---|
| 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 |
| 2025-06-13 | Mackenzie Roderick James EVP, Chief Commercial Officer | Sale | −40,000 | $3.26 | $130K | 300,841 |
| 2025-05-30 | Lacey William F. Director | Grant or award · Restricted Units | +82,353 | 82,353 | ||
| 2025-05-30 | INTRIERI VINCENT J Director | Grant or award · Restricted Units | +82,353 | 82,353 | ||
| 2025-05-30 | Mohn Frederik Wilhelm Director | Grant or award · Restricted Units | +82,353 | 82,353 | ||
| 2025-05-30 | MERKSAMER SAMUEL J. Director | Grant or award · Restricted Units | +82,353 | 82,353 | ||
| 2025-05-30 | DELL'OSSO DOMENIC J JR Director | Grant or award · Restricted Units | +82,353 | 82,353 | ||
| 2025-05-30 | Curado Frederico F. Director | Grant or award · Restricted Units | +82,353 | 82,353 | ||
| 2025-05-30 | CHANG VANESSA C L Director | Grant or award · Restricted Units | +82,353 | 82,353 | ||
| 2025-05-30 | Barker Glyn Anthony Director | Grant or award · Restricted Units | +82,353 | 82,353 | ||
| 2025-05-30 | DEATON CHAD C Director | Grant or award · Restricted Units | +82,353 | 82,353 | ||
| 2025-05-30 | Pack Jason SVP, Chief Accounting Officer | Shares withheld for taxes | −1,159 | $2.57 | $3K | 202,842 |
| 2025-05-30 | Vayda Robert Thaddeus EVP, Chief Financial Officer | Shares withheld for taxes | −8,715 | $2.57 | $22K | 265,154 |
| 2025-05-29 | Pack Jason SVP, Chief Accounting Officer | Option exercise | +2,901 | $2.57 | $7K | 204,001 |
| 2025-05-29 | Vayda Robert Thaddeus EVP, Chief Financial Officer | Option exercise | +21,879 | $2.57 | $56K | 273,869 |
| 2025-05-12 | Mackenzie Roderick James EVP, Chief Commercial Officer | Sale 10b5-1 | −22,000 | $2.78 | $61K | 340,841 |
| 2025-05-01 | Adamson Keelan PRESIDENT AND CEO | Grant or award · Restricted Units | +542,793 | 542,793 | ||
| 2025-04-30 | CHANG VANESSA C L Director | Purchase | +10,000 | $2.14 | $21K | 59,200 |
| 2025-04-11 | Mackenzie Roderick James EVP, Chief Commercial Officer | Sale 10b5-1 | −22,000 | $2.23 | $49K | 362,841 |
Page 5 of 19 · 377 trades