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^*

ERICKSON MARK

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
06/14/2005

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	06/14/2005		F⁽¹⁾		7,716	D	$3.49	2,471,206	D
Common Stock								149,524	I	By wife as custodian for minor children

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	$1							01/02/2001	01/02/2011	Common Stock	1,000,000		1,000,000	D
Right to Buy	$2							12/31/2001	12/31/2011	Common Stock	25,000		25,000	D
Series B Preferred Stock	$0.7							12/31/2003	⁽²⁾	Common Stock	133,257		212	D
Right to Buy	$1.92							11/24/2004⁽³⁾	11/27/2014	Common Stock	100,000		100,000	D
Right to Buy	$3.39							10/09/2005⁽⁴⁾	10/09/2010⁽⁴⁾	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, 2005.

2. There is no expiration date for the shares of Series B Preferred Stock.

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

4. Granted 160,000 options under the Issuer's 1999 Stock Option Plan. These options vest over a 2 year period, with one-sixth of the amount vesting every 4 months commencing 10/09/05, and expiring 5 years from the date of vesting.

	Mark Erickson	06/28/2005
	** 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.
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