XNYS:SIX Six Flags Entertainment Corp Insider Activity 4 Filing - 8/12/2012

Effective Date 8/12/2012

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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 OF SECURITIES

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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(Print or Type Responses)
1. Name and Address of Reporting Person *
REID-ANDERSON JAMES
  2. Issuer Name and Ticker or Trading Symbol
Six Flags Entertainment Corp [SIX]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chairman, President & CEO
(Last)
(First)
(Middle)
C/O SIX FLAGS ENTERTAINMENT CORPORATION, 924 AVENUE J EAST
3. Date of Earliest Transaction (Month/Day/Year)
08/12/2012
(Street)

GRAND PRAIRIE, TX 75050
4. If Amendment, Date 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
(City)
(State)
(Zip)
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)
Code V Amount (A) or (D) Price
Common Stock, par value $0.025 per share 08/12/2012   A   7,713(1) A $ 0 1,500,216(2) D  
Common Stock, par value $0.025 per share 08/13/2012   M   364,190 A $15.995 1,864,406(2) D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 Underlying Securities
(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 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
Employee Stock Option (Right to Buy) $15.995 08/13/2012   M     364,190   (3) 08/12/2020 Common Stock, par value $0.025 per share 364,190 $15.995 728,382 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
REID-ANDERSON JAMES
C/O SIX FLAGS ENTERTAINMENT CORPORATION
924 AVENUE J EAST
GRAND PRAIRIE, TX 75050
  X     Chairman, President & CEO  

Signatures

 /s/ James Reid-Anderson   08/14/2012
** Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) Grant of shares of common stock pursuant to dividend equivalent rights under Issuer's Long-Term Incentive Plan. The number of shares of common stock granted was based on the conversion of cash dividend equivalents accumulated as of the vesting date of August 12, 2012.
(2) Includes certain restricted stock units subject to vesting as well as 483 shares of common stock acquired pursuant to Issuer's Employee Stock Purchase Plan since the last-filed Form 4.
(3) Mr. Reid-Anderson was granted an option to purchase 1,456,762 shares (as adjusted for June 27, 2011 stock split) on August 12, 2010, which vests 25% on each of the first four anniversaries of the grant date if the reporting person has been continuously employed with the Issuer through such date, subject to accelerated vesting in certain events, including certain terminations or upon a change in control, or as provided for by the Compensation Committee of the Issuer's Board of Directors.

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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XNYS:SIX Six Flags Entertainment Corp Insider Activity 4 Filling

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XNYS:SIX Six Flags Entertainment Corp Insider Activity 4 Filing - 8/12/2012
Name |  Ticker |  Star Rating |  Market Cap |  Stock Type |  Sector |  Industry Star Rating |  Investment Style |  Total Assets |  Category |  Top Holdings |  Top Sectors |  Symbol |  Title Star Rating |  Category |  Total Assets |  Top Holdings |  Top Sectors |  Symbol |  Name Title |  Date |  Author |  Collection |  Interest |  Popularity Topic |  Sector |  Key Indicators |  User Interest |  Market Cap |  Industry Name |  Ticker |  Star Rating |  Market Cap |  Stock Type |  Sector |  Industry Star Rating |  Investment Style |  Total Assets |  Category |  Top Holdings |  Top Sectors |  Symbol / Ticker |  Title Star Rating |  Category |  Total Assets |  Symbol / Ticker |  Name Title |  Date |  Author |  Collection |  Popularity |  Interest Title |  Date |  Company |  Symbol |  Interest |  Popularity Topic |  Sector |  Key Indicators |  User Interest |  Market Cap |  Industry Title |  Date |  Company |  Symbol |  Interest |  Popularity

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