HealthSpring, Inc.

Q: Sep 30 2011

FY: Dec 31 2010

Q: Jun 30 2011

Q: Mar 31 2011

FY: Dec 31 2010

Q: Sep 30 2010

Q: Jun 30 2010

Q: Mar 31 2010

FY: Dec 31 2009

Q: Sep 30 2009

Q: Jun 30 2009

Q: Mar 31 2009

FY: Dec 31 2008

Q: Sep 30 2008

Q: Jun 30 2008

Q: Mar 31 2008

FY: Dec 31 2007

Q: Sep 30 2007

Q: Jun 30 2007

Q: Mar 31 2007

1.02,2.01,3.01,3.03,5.01,5.02,5.03,9.01

7.01

5.07,8.01,9.01

8.01,9.01

Entry into a Material Definitive Agreement

2.02,9.01

8.01,9.01

8.01,9.01

2.02,9.01

5.07

Results of Operations and Financial Condition

1.01,9.01

2.02,9.01

9.01

1.01,2.01,5.02,8.01,9.01

7.01

Entry into a Material Definitive Agreement

5.02,8.01,9.01

Entry into a Material Definitive Agreement

7.01,9.01

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Notification of removal from listing and/or registration on a national securities exchange

Notification of removal from listing and/or registration on a national securities exchange

Post Effective Amendment to S-8

Certification of termination of registration of a class of securities (Section 12(b))

Prospectus Supplement for Delayed or Continuous Offering

Automatic Shelf Registration

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus Supplement with Pricing Information

No description available

Notice of Effectiveness

Amended Initial Registration Statement

Registration (IPO) statement under Securities Act of 1933

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus Supplement with Pricing Information

No description available

Amended Initial Registration Statement

Registration of Securities on Exchange

Additional Information for Proxy Statement/ Votes

No description available

Additional Information for Proxy Statement/ Votes

No description available

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

DIMENSIONAL FUND ADVISORS LP

VANGUARD GROUP INC

DIMENSIONAL FUND ADVISORS LP

BlackRock Inc.

VANGUARD GROUP INC

Tulloch Mark A

Fox John T

FOLICK JEFFREY

FRIED BRUCE M

Hensley Robert Z

MAYERFELD RUSSELL K

NOLAN JOSEPH P

Morris Matthew Shawn

Huebner Scott C

Mansukani Sharad

Terry David L Jr

Mirt Michael G

Hailey James R

Barden J Gentry

Wales Dirk O

Post-effective amendment to an automatic shelf registration statement

Letter from the SEC

Letter from the SEC

Annual Report Scanned (Paper)

No description available

Annual Report Scanned (Paper)

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

No description available

Annual Report Scanned (Paper)

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Annual Report Scanned (Paper)

Annual Report Scanned (Paper)