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^*

DECKER MICHAEL

(Last)

(First)

(Middle)

(Street)

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
GASCO ENERGY INC [ GSX ]

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Exec VP & COO

3. Date of Earliest Transaction (Month/Day/Year)
06/14/2007

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	06/14/2007		F⁽¹⁾		19,695	D	$2.54	203,823	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)
Right to Buy	$3.15							07/02/2001⁽³⁾	07/02/2008⁽³⁾	Common Stock	125,000		125,000	D
Right to Buy	$5.69							04/26/2007⁽²⁾	04/26/2016	Common Stock	125,000		125,000	D
Right to Buy	$2							12/31/2001	12/31/2011	Common Stock	114,000		114,000	D
Right to Buy	$1							06/10/2003⁽⁴⁾	06/10/2008⁽⁴⁾	Common Stock	350,000		350,000	D
Right to Buy	$1.92							11/27/2004⁽⁵⁾	07/27/2014⁽⁵⁾	Common Stock	100,000		100,000	D
Right to Buy	$3.39							10/09/2005⁽⁶⁾	10/09/2010⁽⁶⁾	Common Stock	160,000		160,000	D

Explanation of Responses:

1. Shares forfeited to pay payroll taxes on shares of restricted stock award granted June 14, 2004 which vested June 14, 2007.

2. Granted 125,000 options under the Issuer's 1999 Stock Option Plan. These options vest over a 2 year period, with 1/6th of the amount vesting every 4 months commencing 4/26/07, and all options expiring 4/26/16.

3. Granted 300,000 options as compensation. 100,000 of these options vested on 7/2/01 and expire 7/2/06. The remaining 200,000 options vest over a one year period, with 1/8th of the amount vesting every 3 months commencing 10/2/01, and expiring 5 years from the date of vesting.

4. Granted 350,000 options as compensation. These options vest over a 2 year period, with 1/6th of the amount vesting every 4 months commencing 6/10/03, and expiring 5 years from the date of vesting.

5. Granted 100,000 options under the Issuer's 1999 Stock Option Plan. These options vest over a 2 year period, with 1/6th of the amount vesting every 4 months commencing 11/27/04, and all options expiring 7/27/2014.

6. Granted 160,000 options under the Issuer's 1999 Stock Option Plan. These options vest over a 2 year period, with 1/6th of the amount vesting every 4 months commencing 10/9/05, and all options expiring five years from the date of vesting.

	Michael Decker	06/18/2007
	** Signature of Reporting Person	Date
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