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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
912145	Ameristar Casinos Inc	ASCA	Hotels & Motels (7011)	880304799

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1367395	A Heather Rollo	3773 Howard Hughes Pkwy Suite 490S Las Vegas NV 89169	Svp Of Accounting	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2012-03-01	9,750	$8.63	45,652	No	4	M	Direct
Common Stock	Acquisiton	2012-03-01	1,450	$18.62	47,102	No	4	M	Direct
Common Stock	Acquisiton	2012-03-01	2,920	$15.62	50,022	No	4	M	Direct
Common Stock	Disposition	2012-03-01	8,420	$19.88	41,602	No	4	S	Direct
Common Stock	Disposition	2012-03-01	500	$19.88	41,102	No	4	S	Direct
Common Stock	Disposition	2012-03-01	500	$19.89	40,602	No	4	S	Direct
Common Stock	Disposition	2012-03-01	2,300	$19.90	38,302	No	4	S	Direct
Common Stock	Disposition	2012-03-01	400	$19.91	37,902	No	4	S	Direct
Common Stock	Disposition	2012-03-01	100	$19.91	37,802	No	4	S	Direct
Common Stock	Disposition	2012-03-01	100	$19.91	37,702	No	4	S	Direct
Common Stock	Disposition	2012-03-01	100	$19.92	37,602	No	4	S	Direct
Common Stock	Disposition	2012-03-01	200	$19.95	37,402	No	4	S	Direct
Common Stock	Disposition	2012-03-01	1,000	$19.96	36,402	No	4	S	Direct
Common Stock	Disposition	2012-03-01	300	$19.97	36,102	No	4	S	Direct
Common Stock	Disposition	2012-03-01	200	$19.98	35,902	No	4	S	Direct
Common Stock	Disposition	2012-03-02	1,254	$19.57	34,648	No	4	S	Direct
Common Stock	Disposition	2012-03-02	100	$19.58	34,548	No	4	S	Direct
Common Stock	Disposition	2012-03-02	600	$19.62	33,948	No	4	S	Direct
Common Stock	Disposition	2012-03-02	100	$19.62	33,848	No	4	S	Direct
Common Stock	Disposition	2012-03-02	100	$19.62	33,748	No	4	S	Direct
Common Stock	Disposition	2012-03-02	100	$19.63	33,648	No	4	S	Direct

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

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Employee Stock Option (Right to Buy)	Disposition	2012-03-01	9,750	$0.00	9,750	$8.63
Common Stock	Employee Stock Option (Right to Buy)	Disposition	2012-03-01	1,450	$0.00	1,450	$18.62
Common Stock	Employee Stock Option (Right to Buy)	Disposition	2012-03-01	2,920	$0.00	2,920	$15.62

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
3,250	2010-01-11	2019-02-20	No	4	M	Direct
1,450	2010-07-30	2019-07-31	No	4	M	Direct
8,760	2011-07-29	2020-07-30	No	4	M	Direct

Footnotes