Transocean (RIG) EVP & CFO reports sale of 30,000 shares at $4.29

Rhea-AI Filing Summary

Transocean Ltd.'s Executive Vice President and Chief Financial Officer reported a stock sale in a Form 4 filing. On 11/26/2025, the officer sold 30,000 registered shares of Transocean at a price of $4.29 per share. After this transaction, the officer directly beneficially owned 235,154 registered shares. The filing also notes indirect beneficial ownership of 91 registered shares held by the officer's child. The officer disclaims beneficial ownership of these indirectly held securities, stating that the report should not be deemed an admission of beneficial ownership for any purpose.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Vayda Robert Thaddeus

(Last) (First) (Middle)

1414 ENCLAVE PARKWAY

(Street)

HOUSTON TX 77077

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Transocean Ltd. [ RIG ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, Chief Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
11/26/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Registered Shares	11/26/2025		S		30,000	D	$4.29	235,154	D
Registered Shares								91(1)	I	By Child

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose.

	/s/ Debra Kupferman by Power of Attorney	12/01/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Transocean (RIG) report in this Form 4?

The Form 4 reports that Transocean's Executive Vice President and Chief Financial Officer sold 30,000 registered shares of Transocean Ltd. on 11/26/2025.

At what price did the Transocean (RIG) CFO sell shares?

The Executive Vice President and Chief Financial Officer sold the shares at a price of $4.29 per share.

How many Transocean (RIG) shares does the CFO own after the reported sale?

Following the reported transaction, the officer beneficially owned 235,154 registered shares directly.

Does the Transocean (RIG) CFO have any indirect share ownership?

Yes. The filing reports 91 registered shares held indirectly by the officer's child.

Does the Transocean (RIG) officer admit beneficial ownership of the shares held by the child?

No. The officer disclaims beneficial ownership of the 91 shares held by the child, and the report states it should not be deemed an admission of beneficial ownership for any purpose.

What is the officer’s role at Transocean (RIG) mentioned in the Form 4?

The reporting person is identified as an Officer of Transocean Ltd., specifically the EVP, Chief Financial Officer.