PINNACLE AIRLINES CORP

Q: Jun 30 2012

FY: Dec 31 2011

Q: Mar 31 2012

FY: Dec 31 2011

Q: Jun 30 2011

Q: Sep 30 2011

Q: Jun 30 2011

Q: Jun 30 2011

Q: Mar 31 2011

Q: Sep 30 2010

FY: Dec 31 2010

Q: Sep 30 2010

Q: Aug 3 2010

Q: Mar 31 2010

FY: Dec 31 2009

Q: Sep 30 2009

FY: Dec 31 2007

Q: Jun 30 2009

Q: Mar 31 2009

FY: Dec 31 2008

7.01,9.01

5.02,9.01

7.01,9.01

7.01,9.01

1.01

1.01

7.01,9.01

8.01,9.01

1.01

7.01,9.01

7.01,9.01

Entry into a Material Definitive Agreement

7.01,9.01

5.02

7.01,9.01

7.01,9.01

5.02,9.01

8.01,9.01

7.01,9.01

Regulation FD Disclosure

Notice of Effectiveness

No description available

No description available

No description available

Post-effective amendment to a registration statement

No description available

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

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933 (amendment)

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

Registration statement under Securities Act of 1933

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

Prospectus filed under Rule 424(b)(1)

Amended Initial Registration Statement

Additional proxy soliciting materials filed by a non-management party

Additional proxy soliciting materials filed by a non-management party

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Nantahala Capital Management, LLC

Apollo Management Holdings GP, LLC

King Wayne Jr

FMR LLC

PABRAI MOHNISH

King Wayne Jr

Nantahala Capital Management, LLC

Nantahala Capital Management, LLC

PABRAI MOHNISH

King Wayne Jr

King Wayne Jr

FMR LLC

King Wayne Jr

WILLIAMS FRANK E JR

Christie Edward M III

MENKE SEAN E

Massey Ian

BREEDING DONALD J

MCGEHEE JAMES E JR

SHANNON R PHILIP

Letter from the SEC

No description available

Correspondence with the SEC

Letter from the SEC

No description available

No description available

No description available

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

No description available

No description available

No description available

No description available

No description available

No description available

No description available

Letter from the SEC

Correspondence with the SEC

Letter from the SEC