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^*

GINNS JONATHAN J

(Last)

(First)

(Middle)

ACON INVESTMENTS LLC

1133 CONNECTICUT AVENUE, NW, SUITE 700

(Street)

WASHINGTON

20036

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
MARINER ENERGY INC [ ME ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
06/07/2007

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)
Common Stock	06/07/2007		S		16,000⁽¹⁾	D	$24	44,300⁽¹⁾	I	See footnote 1
Common Stock	06/07/2007		S		13,800⁽¹⁾	D	$24.11	30,500⁽¹⁾	I	See footnote 1
Common Stock	06/07/2007		S		2,900⁽¹⁾	D	$24.12	27,600⁽¹⁾	I	See footnote 1
Common Stock	06/07/2007		S		400⁽¹⁾	D	$24.14	27,200⁽¹⁾	I	See footnote 1
Common Stock	06/07/2007		S		24,300⁽¹⁾	D	$24.2	2,900⁽¹⁾	I	See footnote 1
Common Stock	06/07/2007		S		700⁽¹⁾	D	$24.21	2,200⁽¹⁾	I	See footnote 1
Common Stock	06/07/2007		S		500⁽¹⁾	D	$24.22	1,700⁽¹⁾	I	See footnote 1
Common Stock	06/07/2007		S		100⁽¹⁾	D	$24.25	1,600⁽¹⁾	I	See footnote 1
Common Stock	06/07/2007		S		200⁽¹⁾	D	$24.5	1,400⁽¹⁾	I	See footnote 1
Common Stock	06/07/2007		S		700⁽¹⁾	D	$24.51	700⁽¹⁾	I	See footnote 1
Common Stock	06/07/2007		S		400⁽¹⁾	D	$24.52	300⁽¹⁾	I	See footnote 1
Common Stock	06/07/2007		S		100⁽¹⁾	D	$24.53	200⁽¹⁾	I	See footnote 1
Common Stock	06/07/2007		S		200⁽¹⁾	D	$24.54	0	I	See footnote 1
Common Stock								394,044⁽²⁾	I	See footnote 2
Common Stock								3,538⁽³⁾	D

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. Represents shares held by ACON Investments LLC ("LLC1"). The reporting person is a managing member of LLC1. The reporting person disclaims beneficial ownership of the securities held by LLC1, except to the extent of his pecuniary interest therein.

2. Represents shares held by ACON E&P, LLC ("LLC2"). The reporting person is a managing member of LLC2. The reporting person disclaims beneficial ownership of the securities held by LLC2, except to the extent of his pecuniary interest therein.

3. Previously reported.

	Jonathan J. Ginns by Teresa G. Bushman pursuant to Power of Attorney dated March 1, 2006 (previously filed as Exhibit 24 to Mr. Ginns' Form 4/A filed on April 4, 2006).	06/11/2007
	** 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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