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Filing Details

Accession Number:: 0000701374-15-000149
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2015-10-30 16:38:43
Reporting Period:: 2015-10-28

Filing Date:: 2015-10-30
Accepted Time:: 2015-10-30 16:38:43
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
701374	Six Flags Entertainment Corp	SIX	Services-Miscellaneous Amusement & Recreation (7990)	133995059

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1205656	M John Duffey	C/O Six Flags 924 Avenue J East Grand Prairie TX 75050	Executive Vp And Cfo	No	Yes	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
Common Stock, Par Value $0.025 Per Share	Acquisiton	2015-10-28	150,000	$10.00	863,495	No	4	M	Direct
Common Stock, Par Value $0.025 Per Share	Disposition	2015-10-28	146,100	$51.38	717,395	No	4	S	Direct
Common Stock, Par Value $0.025 Per Share	Disposition	2015-10-28	3,900	$51.83	713,495	No	4	S	Direct
Common Stock, Par Value $0.025 Per Share	Acquisiton	2015-10-29	3,040	$10.00	716,535	No	4	M	Direct
Common Stock, Par Value $0.025 Per Share	Disposition	2015-10-29	3,040	$52.00	713,495	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	S	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock, Par Value $0.025 Per Share	Employee Stock Option (Right to Buy)	Disposition	2015-10-28	150,000	$0.00	150,000	$10.00
Common Stock, Par Value $0.025 Per Share	Employee Stock Option (Right to Buy)	Disposition	2015-10-29	3,040	$0.00	3,040	$10.00

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
150,000		2020-09-07	No	4	M	Direct
146,960		2020-09-07	No	4	M	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock, Par Value $0.025 Per Share	16,000	Indirect	By Reporting Person's Wife as trustee of family trust UAD 11-22-2005
Common Stock, Par Value $0.025 Per Share	96,000	Indirect	By Reporting Person's Wife as trustee of family trust UAD 02-28-2006

Footnotes

The transactions on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by John M. Duffey.
The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $50.81 to $51.80, 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 sold at each separate price within the ranges set forth in this footnote.
The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $51.81 to $51.88, 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 sold at each separate price within the ranges set forth in this footnote.
The Reporting Person disclaims beneficial interest in such shares except to the extent of his pecuniary interest therein.
Mr. Duffey was granted an option to purchase 600,000 shares (as adjusted for stock splits) on September 7, 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.