Transocean Ltd.
RIG- Exchange
- NYSE
- Industry
- Drilling Oil & Gas Wells
- SEC CIK
- 0001451505
In the last 90 days, Transocean Ltd. insiders filed 1 open-market purchase and 0 sales; 539 institutions reported holding it in 13F filings for Q2 2026, worth $4.88B in total; superinvestors Pabrai Investment Funds and Elliott Investment Management hold it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Transocean Ltd. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 1 filing
- 1 insider, $173.3K in total
- Open-market sells
- 0 filings
- Insiders trading
- 1
- Net value
- +$173.3K
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Transocean Ltd., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Deaton Chad C | Director | 237,421 | Jul 7, 2026 | 2 |
| Chang Vanessa C L | Director | 59,200 | May 27, 2026 | 1 |
| Intrieri Vincent J | Director | – | May 27, 2026 | 1 |
| Merksamer Samuel J. | Director | – | May 27, 2026 | 1 |
| Dell'Osso Domenic J Jr | Director | – | May 27, 2026 | 1 |
| Barker Glyn Anthony | Director | – | May 27, 2026 | 1 |
| Curado Frederico F. | Director | – | May 27, 2026 | 1 |
| Mohn Frederik Wilhelm | Director | 78,904 | May 27, 2026 | 3 |
| Lacey William F. | Director | 61,419 | May 27, 2026 | 1 |
| Long Brady K | EVP & Chief Legal Officer | 1,125,438 | May 22, 2026 | 5 |
| Adamson Keelan | PRESIDENT AND CEO | 1,600,884 | May 5, 2026 | 6 |
| Mackenzie Roderick James | EVP, Chief Commercial Officer | 268,025 | Mar 5, 2026 | 5 |
| Thigpen Jeremy D | Executive Chair | 2,614,548 | Mar 3, 2026 | 3 |
| Vayda Robert Thaddeus | EVP, Chief Financial Officer | 352,635 | Mar 3, 2026 | 3 |
| Pack Jason | SVP, Chief Accounting Officer | 262,103 | Mar 3, 2026 | 2 |
| Perestroika | Director | 96,574,894Indirect | Nov 25, 2025 | 2 |
| Perestroika (Cyprus) Ltd | Director | 96,574,894 | Nov 25, 2025 | 2 |
| Oevrum Margareth | Director | – | May 17, 2024 | 0 |
| Davis Howard E | EVP, CAO & CIO | 1,427,231 | Mar 5, 2024 | 0 |
| Tonnel David A | SVP - CHIEF ACCOUNTING OFFICER | 727,088 | Mar 5, 2024 | 0 |
| Mey Mark-Anthony Lovell | EVP & CFO | 1,595,750 | Mar 5, 2024 | 0 |
| Muller Edward R | Director | – | May 15, 2023 | 0 |
| de Saint Victor Diane | Director | – | May 17, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 3, 2023 (view filing) | Mar 2 | 1 day | Adamson KeelanPRESIDENT AND COO | SSaleRegistered Shares | −71.0K | $6.81 | −$483.5K | −12.8%482.8K after | |
| Feb 17, 2023 (view filing) | Feb 15 | 2 days | Tonnel David ASVP - CHIEF ACCOUNTING OFFICER | SSaleRegistered Shares | −24.9K | $7.38 | −$183.4K | −6.3%368.1K after | |
| Feb 13, 2023 (view filing) | Feb 13 | Same day | Adamson KeelanPRESIDENT AND COO | SSaleRegistered Shares | −50.0K | $7.15 | −$357.7K | −12.7%342.5K after | |
| Feb 3, 2023 (view filing) | Feb 1 | 2 days | Tonnel David ASVP - CHIEF ACCOUNTING OFFICER | SSaleRegistered Shares | −43.7K | $6.94 | −$303.1K | −15.8%233.4K after | |
| Jan 20, 2023 (view filing) | Jan 18 | 2 days | Tonnel David ASVP - CHIEF ACCOUNTING OFFICER | SSaleRegistered Shares | −14.5K | $6.15 | −$89.4K | −5.0%277.1K after | |
| Jan 11, 2023 (view filing) | Jan 10 | 1 day | Tonnel David ASVP - CHIEF ACCOUNTING OFFICER | SSaleRegistered Shares | −34.3K | $5.45 | −$186.8K | −10.5%291.6K after | |
| Jan 10, 2023 (view filing) | Jan 6 | 4 days | Tonnel David ASVP - CHIEF ACCOUNTING OFFICER | SSaleRegistered Shares | −13.1K | $4.95 | −$64.7K | −3.9%325.9K after | |
| Nov 14, 2022 (view filing) | Nov 9 | 5 days | Deaton Chad CDirector | PPurchaseRegistered Shares | +50.0K | $4.07 | +$203.5K | +82.0%111.0K after | |
| Jun 27, 2022 (view filing) | Jun 23 | 4 days | Chang Vanessa C LDirector | PPurchaseRegistered Shares | +12.3K | $3.21 | +$39.5K | +33.3%49.2K after | |
| May 13, 2022 (view filing) | May 11-12 | 2 days | Chang Vanessa C LDirector | PPurchaseRegistered Shares | +10.0K | $3.49 | +$34.9K | New position10.0K after | 2 lots |
| Mar 9, 2022 (view filing) | Mar 7 | 2 days | Adamson KeelanPresident & COO | SSaleRegistered Shares | −349.4K | $5.00 | −$1.75M | −74.3%121.1K after |