Sec Form 4 Filing - Weber Alexander JR @ Six Flags Entertainment Corp - 2012-08-09

Insider filing report for Changes in Beneficial Ownership
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FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person
Weber Alexander JR
2. Issuer Name and Ticker or Trading Symbol
Six Flags Entertainment Corp [ SIX]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
X __ Officer (give title below) _____ Other (specify below)
Chief Operating Officer
(Last) (First) (Middle)
C/O SIX FLAGS ENTERTAINMENT CORPORATION, 924 AVENUE J EAST
3. Date of Earliest Transaction (MM/DD/YY)
08/09/2012
(Street)
GRAND PRAIRIE, TX75050
4. If Amendment, Date Original Filed (MM/DD/YY)
6. Individual or Joint/Group Filing (Check Applicable Line)
__ X __ Form filed by One Reporting Person
_____ Form filed by More than One Reporting Person
(City) (State) (Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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)
Code V Amount (A) or (D) Price
Common Stock, par value $0.025 per share 08/09/2012 S 446 ( 1 ) D $ 57.46 164,828 ( 2 ) D
Common Stock, par value $0.025 per share 08/13/2012 S 3,033 ( 1 ) D $ 56.2077 ( 3 ) 161,795 ( 2 ) D
Common Stock, par value $0.025 per share 2,000 I In trust for Reporting Person's Son ( 4 )
Common Stock, par value $0.025 per share 2,000 I In trust for reporting person's daughter ( 4 )
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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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
(MM/DD/YY)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Sec urities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Reporting Owners
Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Weber Alexander JR
C/O SIX FLAGS ENTERTAINMENT CORPORATION
924 AVENUE J EAST
GRAND PRAIRIE, TX75050
Chief Operating Officer
Signatures
/s/ Alexander Weber Jr. 08/13/2012
Signature of Reporting Person Date
Explanation of Responses:
( 1 )The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Alexander Weber Jr. on June 26, 2012.
( 2 )Includes certain restricted stock units subject to vesting.
( 3 )The price reported in column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $53.151 to $56.324, inclusive. The reporting person undertakes to provide Issuer, any security holder of Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.
( 4 )The reporting person disclaims beneficial interest in such shares except to the extent of his pecuniary interest therein.

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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