W Michael Knoblauch

Insider Trading: Sales

Company	Symbol	Price	Amount	Relationship	Remaining Holdings	Date	Form 4
Credit Acceptance Corp	CACC	$78.00	9,946	Officer	58,218	2011-05-10	Filing
Credit Acceptance Corp	CACC	$79.00	688	Officer	58,164	2011-05-05	Filing
Credit Acceptance Corp	CACC	$71.20	4	Officer	58,164	2011-03-31	Filing
Credit Acceptance Corp	CACC	$71.03	100	Officer	58,168	2011-03-31	Filing
Credit Acceptance Corp	CACC	$71.02	1,700	Officer	58,268	2011-03-31	Filing
Credit Acceptance Corp	CACC	$71.01	100	Officer	59,968	2011-03-31	Filing
Credit Acceptance Corp	CACC	$71.00	4,182	Officer	60,068	2011-03-31	Filing
Credit Acceptance Corp	CACC	$70.00	2,147	Officer	58,164	2011-03-30	Filing
Credit Acceptance Corp	CACC	$70.25	928	Officer	58,164	2011-03-25	Filing
Credit Acceptance Corp	CACC	$70.26	200	Officer	59,092	2011-03-25	Filing
Credit Acceptance Corp	CACC	$70.28	100	Officer	59,292	2011-03-25	Filing
Credit Acceptance Corp	CACC	$70.29	139	Officer	59,392	2011-03-25	Filing
Credit Acceptance Corp	CACC	$70.29	100	Officer	59,531	2011-03-25	Filing
Credit Acceptance Corp	CACC	$70.30	183	Officer	59,631	2011-03-25	Filing
Credit Acceptance Corp	CACC	$70.34	17	Officer	59,814	2011-03-25	Filing
Credit Acceptance Corp	CACC	$70.36	10	Officer	59,831	2011-03-25	Filing
Credit Acceptance Corp	CACC	$70.38	100	Officer	59,841	2011-03-25	Filing
Credit Acceptance Corp	CACC	$70.39	100	Officer	59,941	2011-03-25	Filing
Credit Acceptance Corp	CACC	$65.00	15,000	Officer	58,164	2011-02-10	Filing
Credit Acceptance Corp	CACC	$62.00	8,726	Officer	56,164	2010-11-30	Filing