Transocean Ltd (Switzerland)
Last updated September 27, 2026
Organization details
- Legal name
- Transocean Ltd (Switzerland)
- Ownership
- Public
- Status
- Active
- Headquarters country
- Switzerland
- Ticker symbol
- RIG
- Primary stock exchange
- NYSE
Identifiers
- SEC CIK
- 0001451505
Board of directors
-
Chad C. Deaton · DirectorSince 2023
-
Domenic J. Dell'osso Jr. · DirectorSince 2023
-
Edward R. Muller · DirectorSince 2023
-
Frederico F. Curado · DirectorSince 2023
-
Frederik Wilhelm Mohn · DirectorSince 2023
-
Glyn Anthony Barker · DirectorSince 2023
-
Jeremy D. Thigpen · Director · Executive ChairSince 2023
-
Keelan Adamson · Director · PRESIDENT AND CEOSince 2025
-
Margareth Oevrum · DirectorSince 2023
-
Samuel J. Merksamer · DirectorSince 2023
-
Vanessa C. L. Chang · DirectorSince 2023
-
Vincent J. Intrieri · DirectorSince 2023
-
William F. Lacey · DirectorSince 2025
Chief executives
Jeremy D. Thigpen
· CEO
Dates unknown
Keelan Adamson
· PRESIDENT AND CEO
Dates unknown
Board connections
7 of this board's directors also sit on 11 other boards.
- via Edward R. Muller
- via Jeremy D. Thigpen
- via Vanessa C. L. Chang
- via Domenic J. Dell'osso Jr.
- via Margareth Oevrum
- via Domenic J. Dell'osso Jr.
- via Vincent J. Intrieri
- via Vincent J. Intrieri
- via Vincent J. Intrieri
- via Margareth Oevrum
- via Frederico F. Curado
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $18,263,250
- 4 purchases by 4 insiders
- Sold, last 12 months
- $5,596,101
- 14 sales by 5 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Jul 2, 2026 | Chad C. Deaton Director | Open-market purchase | +35,000 | $4.95 | $173,250 |
| May 26, 2026 | William F. Lacey Director | Shares withheld for tax | −20,934 | $6.70 | $140,258 |
| May 26, 2026 | Chad C. Deaton Director | Shares withheld for tax | −20,932 | $6.70 | $140,244 |
| May 26, 2026 | Frederik Wilhelm Mohn Director | Shares withheld for tax | −25,597 | $6.70 | $171,500 |
| May 22, 2026 | William F. Lacey Director | Option exercise | +82,353 | $6.81 | $560,824 |
| May 22, 2026 | Chad C. Deaton Director | Option exercise | +82,353 | $6.81 | $560,824 |
| May 22, 2026 | Frederik Wilhelm Mohn Director | Option exercise | +82,353 | $6.81 | $560,824 |
| May 21, 2026 | Long Brady K Officer (EVP & Chief Legal Officer) | Open-market sale | −81,741 | $7.45 | $608,970 |
| May 4, 2026 | Keelan Adamson Director, Officer (PRESIDENT AND CEO) | Shares withheld for tax | −71,556 | $6.82 | $488,012 |
| May 1, 2026 | Keelan Adamson Director, Officer (PRESIDENT AND CEO) | Option exercise | +180,931 | — | — |
| Mar 4, 2026 | Mackenzie Roderick James Officer (EVP, Chief Commercial Officer) | Open-market sale | −78,370 | $6.36 | $498,433 |
| Mar 3, 2026 | Keelan Adamson Director, Officer (PRESIDENT AND CEO) | Shares withheld for tax | −127,878 | $6.12 | $782,613 |
| Mar 3, 2026 | Long Brady K Officer (EVP & Chief Legal Officer) | Shares withheld for tax | −87,689 | $6.12 | $536,657 |
| Mar 3, 2026 | Jeremy D. Thigpen Director, Officer (Executive Chair) | Shares withheld for tax | −245,556 | $6.12 | $1,502,803 |
| Mar 3, 2026 | Mackenzie Roderick James Officer (EVP, Chief Commercial Officer) | Shares withheld for tax | −62,886 | $6.12 | $384,862 |
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