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CIK 0001451505 · Large accelerated filer

Transocean Ltd.

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Ticker
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
2026-05-26 Lacey William F. Director Shares withheld for taxes −20,934 $6.70 $140K 61,419
2026-05-26 Mohn Frederik Wilhelm Director Shares withheld for taxes −25,597 $6.70 $171K 78,904
2026-05-26 DEATON CHAD C Director Shares withheld for taxes −20,932 $6.70 $140K 202,421
2026-05-22 Lacey William F. Director Option exercise +82,353 $6.81 $561K 82,353
2026-05-22 Lacey William F. Director Grant or award · Restricted Units +30,435 30,435
2026-05-22 Mohn Frederik Wilhelm Director Option exercise +82,353 $6.81 $561K 104,501
2026-05-22 Mohn Frederik Wilhelm Director Grant or award · Restricted Units +30,435 30,435
2026-05-22 Curado Frederico F. Director Grant or award · Restricted Units +30,435 30,435
2026-05-22 Barker Glyn Anthony Director Grant or award · Restricted Units +30,435 30,435
2026-05-22 DELL'OSSO DOMENIC J JR Director Grant or award · Restricted Units +30,435 30,435
2026-05-22 MERKSAMER SAMUEL J. Director Grant or award · Restricted Units +30,435 30,435
2026-05-22 INTRIERI VINCENT J Director Grant or award · Restricted Units +30,435 30,435
2026-05-22 DEATON CHAD C Director Option exercise +82,353 $6.81 $561K 223,353
2026-05-22 DEATON CHAD C Director Grant or award · Restricted Units +30,435 30,435
2026-05-22 CHANG VANESSA C L Director Grant or award · Restricted Units +30,435 30,435
2026-05-21 Long Brady K EVP & Chief Legal Officer Sale −81,741 $7.45 $609K 1,125,438
2026-05-04 Adamson Keelan PRESIDENT AND CEO Shares withheld for taxes −71,556 $6.82 $488K 1,600,884
2026-05-01 Adamson Keelan PRESIDENT AND CEO Option exercise +180,931 1,672,440
2026-03-04 Mackenzie Roderick James EVP, Chief Commercial Officer Sale −78,370 $6.36 $498K 268,025

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