SEC FORM 3

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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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1. Name and Address of Reporting Person^*

Bonno Terry

(Last)

(First)

(Middle)

4 GREENWAY PLAZA

(Street)

HOUSTON

77046

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
08/18/2015

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

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	SVP, Marketing

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Registered Shares	290⁽¹⁾	D
Registered Shares	1,993⁽²⁾	D
Registered Shares	496⁽³⁾	D
Registered Shares	3,725⁽⁴⁾	D
Registered Shares	3,351⁽⁵⁾	D
Registered Shares	2,803⁽⁶⁾	D
Registered Shares	24,664⁽⁷⁾	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Stock Options	⁽⁸⁾	07/08/2018	Registered Shares	3,466	⁽⁸⁾	D
Stock Options	⁽⁹⁾	02/11/2019	Registered Shares	7,636	⁽⁹⁾	D
Stock Options	⁽¹⁰⁾	02/13/2023	Registered Shares	18,870	⁽¹⁰⁾	D
Stock Options	⁽¹¹⁾	02/16/2022	Registered Shares	19,166	⁽¹¹⁾	D
Stock Options	⁽¹²⁾	02/17/2020	Registered Shares	4,599	⁽¹²⁾	D
Stock Options	⁽¹³⁾	02/09/2021	Registered Shares	4,365	⁽¹³⁾	D

Explanation of Responses:

1. Represents registered shares issued as restricted stock pursuant to the issuer's long-term incentive plan and vested in one-third increments over three years: 290 sellable units remaining that vested on July 21, 2010.

2. Represents registered shares issues as restricted stock pursuant to the issuer's long-term incentive plan and vested on one-third increment over three years:1,993 sellable units remaining that vested on November 17, 2013.

3. Represents registered shares issued as restricted stock pursuant to the issuer's long-term incentive plan and vested in one-third increments over three years: 496 sellable units remaining that vested on February 10, 2014.

4. Represents registered shares issued as restrict stock pursuant to the issuer's long-term incentive plan and vested in one-third increments over three years: 3,725 sellable units remaining that vested on February 17, 2015.

5. Deferred Units, which are 1-for-1 share equivalents, acquired on February 14, 2013, pursuant to the Issuer's long-term incentive plan and vest as follows: 2,344 on March 1, 2014; 2,344 on March 1, 2015; and 2,343 on March 1, 2016.

6. Deferred Units, which are 1-for-1 share equivalents, acquired on February 13, 2014, pursuant to the Issuer's long-term incentive plan and vest as follows: 3,887 on March 1, 2015; 3,887 on March 1, 2016; and 3,886 on March 1, 2017.

7. Deferred Units, which are 1-for-1 share equivalents, acquired on February 13, 2015, pursuant to the Issuer's long-term incentive plan and vest as follows: 8,221 on March 1, 2016; 8,222 on March 1, 2017; and 8,222 on March 1, 2018.

8. Non-Qualified Stock Options vested in one-third increments. 3,466 shares are vested and fully exercisable.

9. Non-Qualified Stock Options vested in one-third increments. 7,636 shares are vested and fully exercisable.

10. Non-Qualified Stock Options vests in one-third increments on February 14, 2014, February 14, 2015 and February 14, 2016. 12,580 shares are vested and fully exercisable and 6,290 shares will vest on February 14, 2016.

11. Non-Qualified Stock Options vested in one-third increments. 19,166 shares are vested and fully exercisable.

12. Non-Qualified Stock Options vested in one-third increments. 4,599 shares are vested and fully exercisable.

13. Non-Qualified Stock Options vested in one-third increments. 4,365 shares are vested and fully exercisable.

Remarks:

	/s/Jill S. Greene By Power of Attorney	08/26/2015
	** 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 5 (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.
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