ARTHROCARE CORP

Q: Mar 31 2014

FY: Dec 31 2013

FY: Dec 31 2013

Q: Sep 30 2013

Q: Jun 30 2013

Q: Mar 31 2013

FY: Dec 31 2012

Q: Sep 30 2012

Q: Jun 30 2012

Q: Mar 31 2012

FY: Dec 31 2011

Q: Sep 30 2011

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

Completion of Acquisition or Disposition of Assets

Other Events

Other Events

Submission of Matters to a Vote of Security Holders

Results of Operations and Financial Condition

Other Events

8.01

Results of Operations and Financial Condition

Entry into a Material Definitive Agreement

Entry into a Material Definitive Agreement

8.01

1.01,7.01,9.01

5.07

2.02,9.01

7.01

7.01

2.02,9.01

8.01

1.01,2.01,8.01,9.01

8.01

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

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

Post Effective Amendment to S-8

Withdrawal of a registration statement

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Notice of Effectiveness

Post-effective amendment to a registration statement

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

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Amended Initial Registration Statement

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

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

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

WATER ISLAND CAPITAL LLC

SMALLCAP WORLD FUND INC

Capital Research Global Investors

WESTFIELD CAPITAL MANAGEMENT CO LP

none

none

none

WATER ISLAND CAPITAL LLC

FITZGERALD DAVID

OEP Parent LLC; OEP General Partner III, L.P.; ONE EQUITY PARTNERS LLC; OEP AC Holdings, LLC

Ahrens Christian

BELINFANTI GREGORY

SCHAFFNER SCOTT

Rew Richard W. II

PROTHRO BRUCE

WOLOSZKO JEAN

Newton Todd

WILEY GAYLE

Dinger Fred B III

PACEK JAMES L

Specialized Disclosure Report

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

Correspondence with the SEC

Letter from the SEC

Letter from the SEC

Letter from the SEC

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC