Jeremy D. Thigpen - 26 Nov 2025 Form 4 Insider Report for Transocean Ltd. (RIG)

Role: Executive Chair, Director
Signature: /s/ Debra Kupferman by Power of Attorney
Issuer symbol: RIG
Transactions as of: 26 Nov 2025
Net transactions value: -$2,160,000
Form type: 4
Filing time: 01 Dec 2025, 16:44:31 UTC
Previous filing: 04 Mar 2025
Next filing: 09 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
THIGPEN JEREMY D	Executive Chair, Director	1414 ENCLAVE PARKWAY, HOUSTON	/s/ Debra Kupferman by Power of Attorney	01 Dec 2025	0001240666

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	RIG	Registered Shares	Sale	$2,160,000	-500,000	-19%	$4.32	2,136,223	26 Nov 2025	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.31 to $4.34, inclusive. The reporting person undertakes to provide Transocean Ltd. (the "Company"), any security holder of the Company, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (1) to this Form 4.
F2	The amount of securities beneficially owned following the reported transaction reflects a prior transfer of shares to the reporting person's former spouse pursuant to a domestic relations order.

Content

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.31 to $4.34, inclusive. The reporting person undertakes to provide Transocean Ltd. (the "Company"), any security holder of the Company, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (1) to this Form 4.

The amount of securities beneficially owned following the reported transaction reflects a prior transfer of shares to the reporting person's former spouse pursuant to a domestic relations order.