1986 - Coventry Corporation, Inc.
1987 - Acquired American Service Life Insurance Company
1988 - Acquired HealthAmerica Pennsylvania
1989 - Acquired Group Health Plan in St. Louis, Missouri
1994 - Acquired Southern Health Services in Richmond, Virginia
1995 - Acquired HealthCare USA in Jacksonville, Florida
1998 - Merged with Principal Health Care,[1] corporate office moves to Bethesda, Maryland, and company name changed to Coventry Health Care, Inc.
1999 - Acquired Kaiser in Charlotte, North Carolina and Carelink in Charleston, West Virginia [2] [3]
2000 - Acquired PrimeONE and merged with Carelink.[4] [5] Acquired WellPath Community Health Plans in Chapel Hill, North Carolina [3]
2001 - Acquired Qualchoice in Charlottesville, Virginia and Kaiser Permanente membership in Kansas City, Missouri [6]
2002 - Acquired New Alliance in Erie, Pennsylvania and Mid America Health Plan in Kansas City, Missouri[7] [8]
2003 - Acquired PersonalCare in Champaign, Illinois and Altius Health Plan in South Jordan, Utah [9] [10]
2004 - Acquired OmniCare in Detroit, Michigan [11]
2005 - Acquired First Health Group Corporation[12]
2007 - Acquired group health business from Mutual of Omaha in Omaha, Nebraska ;[13] VISTA Health Plans in Sunrise, Florida ,[14] and Concentra Workers' Compensation Managed Care Services[13]
2008 - Acquired MHNet Behavioral Health in Austin, Texas and Group Dental Services (GDS) in Rockville, Maryland [15] [16]
2010 - Acquired Mercy Health Plans in St Louis, Missouri and Preferred Health Systems (PHS) in Wichita, Kansas [17]
2011 - Awarded Kentucky Medicaid Business[18]
2012 - Acquired by Aetna [19]
^ "Coventry Health Care, Form 8-K, Current Report, Filing Date Jun 2, 1999" . secdatabase.com. Retrieved Mar 29, 2013 .
^ "Coventry Health Care, Form 10-Q, Quarterly Report, Filing Date May 12, 2000" . secdatabase.com. Retrieved Mar 29, 2013 .
^ a b "Coventry Health Care, Form 10-Q, Quarterly Report, Filing Date Nov 13, 2000" (PDF) . secdatabase.com. Retrieved Mar 29, 2013 .
^ "Coventry Health Care, Form 10-Q, Quarterly Report, Filing Date Nov 15, 1999" . secdatabase.com. Retrieved Mar 29, 2013 .
^ "Coventry Health Care, Form 10-K, Annual Report, Filing Date Mar 29, 2000" . secdatabase.com. Retrieved Mar 29, 2013 .
^ "Coventry Health Care, Form 10-Q, Quarterly Report, Filing Date Nov 9, 2001" . secdatabase.com. Retrieved Mar 29, 2013 .
^ "Coventry Health Care, Form 10-Q, Quarterly Report, Filing Date May 15, 2002" . secdatabase.com. Retrieved Mar 29, 2013 .
^ "Coventry Health Care, Form 10-Q, Quarterly Report, Filing Date Nov 12, 2002" (PDF) . secdatabase.com. Retrieved Mar 29, 2013 .
^ "Coventry Health Care, Form 10-K, Annual Report, Filing Date Mar 24, 2003" . secdatabase.com. Retrieved Mar 29, 2013 .
^ "Coventry Health Care, Form 10-Q, Quarterly Report, Filing Date Aug 12, 2003" (PDF) . secdatabase.com. Retrieved Mar 29, 2013 .
^ "Coventry Health Care, Form 8-K, Current Report, Filing Date May 19, 2004" . secdatabase.com. Retrieved Mar 29, 2013 .
^ "Coventry Health Care, Form 8-K, Current Report, Filing Date Oct 14, 2004" (PDF) . secdatabase.com. Retrieved Mar 29, 2013 .
^ a b "Coventry Health Care, Form 10-Q, Quarterly Report, Filing Date Aug 8, 2007" (PDF) . secdatabase.com. Retrieved Mar 29, 2013 .
^ "Coventry Health Care, Form 10-Q, Quarterly Report, Filing Date Nov 9, 2007" . secdatabase.com. Retrieved Mar 29, 2013 .
^ "Coventry Health Care, Form 10-Q, Quarterly Report, Filing Date May 12, 2008" . secdatabase.com. Retrieved Mar 29, 2013 .
^ "Coventry Health Care, Form 10-Q, Quarterly Report, Filing Date Aug 7, 2008" . secdatabase.com. Retrieved Mar 29, 2013 .
^ "Coventry Health Care, Form 10-Q, Quarterly Report, Filing Date Aug 6, 2010" (PDF) . secdatabase.com. Retrieved Mar 29, 2013 .
^ "Coventry Health Care, Form 10-Q, Quarterly Report, Filing Date Nov 4, 2011" (PDF) . secdatabase.com. Retrieved Mar 29, 2013 .
^ "Coventry Health Care, Form 8-K, Current Report, Filing Date Aug 20, 2012" . secdatabase.com. Retrieved Mar 29, 2013 .