SEC FORM 4

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).

1. Name and Address of Reporting Person^*

SU HSIN-CHI

(Last)

(First)

(Middle)

C/O F3 CAPITAL, CAMPBELL CORP SERV LTD

SCOTIA CENTRE, P.O. BOX 268

(Street)

GRAND CAYMAN

KYI-1104

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
Vantage Drilling CO [ VTG ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
03/29/2011

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Ordinary Shares	03/29/2011		S		250,000	D	$1.8433	0	I	--⁽¹⁾⁽²⁾
Ordinary Shares	03/30/2011		S		250,000	D	$1.8699	0	I	--⁽¹⁾⁽²⁾
Ordinary Shares	03/31/2011		S		250,000	D	$1.8334	0	I	--⁽¹⁾⁽²⁾
Ordinary Shares	04/01/2011		S		250,000	D	$1.8614	0	I	--⁽¹⁾⁽²⁾
Ordinary Shares	05/24/2011		P		453,127	A	$1.8877	0	I	--⁽¹⁾
Ordinary Shares	05/25/2011		P		71,271	A	$1.92	0	I	--⁽¹⁾
Ordinary Shares	05/26/2011		P		86,480	A	$1.9298	0	I	--⁽¹⁾
Ordinary Shares	05/27/2011		P		500,000	A	$1.94	0	I	--⁽¹⁾⁽³⁾

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Owned by F3 Capital, which is wholly-owned by Mr. Su.

2. On July 26, 2011, Mr. Su and F3 Capital voluntarily paid to Vantage Drilling Company, the amount of $118,863 representing the short-swing profits with respect to the sale of these ordinary shares, calculated on the basis of the sale prices and the lowest purchase prices by F3 Capital within six months of such sales.

3. As of the date of this Form 4, Mr. Su reports beneficial ownership of 102,075,650 shares, including warrants to acquire 1,983,471 ordinary shares which warrants are current exercisable.

	/s/Hsin-chi Su	07/26/2011
	** 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).
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