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Filing Details

Accession Number:: 0001104659-10-057373
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2010-11-09 19:23:38
Reporting Period:: 2010-11-05

Filing Date:: 2010-11-09
Accepted Time:: 2010-11-09 19:23:38
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
701374	Six Flags Entertainment Corp	SIX	Services-Miscellaneous Amusement & Recreation (7990)	736137714

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1491457	C Daniel Murphy	C/O Pentwater Capital Management Lp 227 West Monroe Street; Suite 4000 Chicago IL 60606		Yes	No	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock, Par Value $0.025 Per Share	Disposition	2010-11-05	50,100	$52.92	2,281,626	No	4	S	Indirect	See Footnote
Common Stock, Par Value $0.025 Per Share	Disposition	2010-11-08	400	$53.14	2,281,226	No	4	S	Indirect	See Footnote
Common Stock, Par Value $0.025 Per Share	Disposition	2010-11-08	6,384	$52.44	2,274,842	No	4	S	Indirect	See Footnote
Common Stock, Par Value $0.025 Per Share	Disposition	2010-11-09	42,600	$52.12	2,232,242	No	4	S	Indirect	See Footnote

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	See Footnote
No	4	S	Indirect	See Footnote
No	4	S	Indirect	See Footnote
No	4	S	Indirect	See Footnote

Footnotes

Price listed represents a weighted average price. Prices range from $52.70 to $53.56. The reporting person will, upon request by the Commission staff, the issuer, or a security holder of the issuer, provide full information regarding the number of shares sold at each separate price.
Price listed represents a weighted average price. Prices range from $53.02 to $53.42. The reporting person will, upon request by the Commission staff, the issuer, or a security holder of the issuer, provide full information regarding the number of shares sold at each separate price.
Price listed represents a weighted average price. Prices range from $52.01 to $53.01. The reporting person will, upon request by the Commission staff, the issuer, or a security holder of the issuer, provide full information regarding the number of shares sold at each separate price.
Price listed represents a weighted average price. Prices range from $52.0 to $52.335. The reporting person will, upon request by the Commission staff, the issuer, or a security holder of the issuer, provide full information regarding the number of shares sold at each separate price.
Pentwater Growth Fund Ltd., Pentwater Equity Opportunities Master Fund Ltd., Oceana Master Fund Ltd., and LMA SPC for and on behalf of MAP98 Segregated Portfolio (collectively the "Funds") directly own the reported securities.
The Reporting Person may be deemed to have an indirect pecuniary interest in such shares through his minority interest in a limited partnership which holds an investment in Pentwater Event Fund LLC, which is the indirect owner of shares held by the Funds, and as an employee of Pentwater Capital Management, LP, which is the investment manager of the Funds. The Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.