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Key Filings for AH
Key Filings | Section 16 Filings | Other Filings
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jul 25, 2007
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jul 18, 2007
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jul 17, 2007
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jul 03, 2007
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jun 21, 2007
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. May 11, 2007
10-Q Quarterly reporting form under the 1934 Act providing company's financial position during the year. May 02, 2007
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Apr 19, 2007
10-K Annual reporting form under the 1934 Act providing a comprehensive overview of the company for the past year. Feb 26, 2007
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jan 31, 2007
10-Q Quarterly reporting form under the 1934 Act providing company's financial position during the year. Oct 31, 2006
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Oct 19, 2006
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Oct 02, 2006
10-Q Quarterly reporting form under the 1934 Act providing company's financial position during the year. Aug 04, 2006
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jul 20, 2006
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jun 21, 2006
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jun 21, 2006
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jun 21, 2006
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jun 01, 2006
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jun 01, 2006
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jun 01, 2006
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. May 17, 2006
10-Q Quarterly reporting form under the 1934 Act providing company's financial position during the year. May 05, 2006
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Apr 20, 2006
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Apr 19, 2006
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Mar 31, 2006
10-K Annual reporting form under the 1934 Act providing a comprehensive overview of the company for the past year. Mar 15, 2006
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Mar 03, 2006
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Feb 27, 2006
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jan 31, 2006
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jan 31, 2006
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Dec 06, 2005
10-Q Quarterly reporting form under the 1934 Act providing company's financial position during the year. Oct 26, 2005
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Oct 20, 2005
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Aug 02, 2005
10-Q Quarterly reporting form under the 1934 Act providing company's financial position during the year. Jul 27, 2005
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jul 21, 2005
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jun 28, 2005
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jun 27, 2005
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jun 07, 2005
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. May 26, 2005
10-Q Quarterly reporting form under the 1934 Act providing company's financial position during the year. Apr 29, 2005
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Apr 21, 2005
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Apr 04, 2005
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Mar 31, 2005
10-K Annual reporting form under the 1934 Act providing a comprehensive overview of the company for the past year. Mar 07, 2005
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Feb 10, 2005
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jan 14, 2005
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jan 06, 2005
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Nov 23, 2004
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Nov 12, 2004
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Nov 05, 2004
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Nov 01, 2004
10-Q Quarterly reporting form under the 1934 Act providing company's financial position during the year. Oct 21, 2004
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Oct 19, 2004
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Oct 06, 2004
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Oct 04, 2004
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Aug 13, 2004
10-Q Quarterly reporting form under the 1934 Act providing company's financial position during the year. Jul 26, 2004
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jul 22, 2004
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jun 25, 2004
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jun 02, 2004
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jun 02, 2004
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. May 10, 2004
10-Q Quarterly reporting form under the 1934 Act providing company's financial position during the year. May 10, 2004
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Mar 22, 2004
10-K Annual reporting form under the 1934 Act providing a comprehensive overview of the company for the past year. Mar 15, 2004
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Feb 12, 2004
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jan 27, 2004
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Dec 23, 2003
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Dec 11, 2003
10-Q Quarterly reporting form under the 1934 Act providing company's financial position during the year. Nov 17, 2003
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Nov 05, 2003
10-Q Quarterly reporting form under the 1934 Act providing company's financial position during the year. Aug 18, 2003
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Aug 13, 2003
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Aug 08, 2003
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Jul 24, 2003
10-Q Quarterly reporting form under the 1934 Act providing company's financial position during the year. May 15, 2003
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. May 05, 2003
10-K Annual reporting form under the 1934 Act providing a comprehensive overview of the company for the past year. Mar 31, 2003
10-Q Quarterly reporting form under the 1934 Act providing company's financial position during the year. Nov 14, 2002
10-Q Quarterly reporting form under the 1934 Act providing company's financial position during the year. Aug 14, 2002
10-Q Quarterly reporting form under the 1934 Act providing company's financial position during the year. May 13, 2002
10-K Annual reporting form under the 1934 Act providing a comprehensive overview of the company for the past year. Apr 01, 2002
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Nov 27, 2001
10-Q Quarterly reporting form under the 1934 Act providing company's financial position during the year. Nov 14, 2001
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Sep 07, 2001
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Aug 23, 2001
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Aug 22, 2001
10-Q Quarterly reporting form under the 1934 Act providing company's financial position during the year. Aug 14, 2001
10-Q Quarterly reporting form under the 1934 Act providing company's financial position during the year. May 18, 2001
8-K Current form under 1934 Act for issuer to report certain mandatory and other unscheduled material events. Apr 27, 2001
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