WESCO FINANCIAL, LLC

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

FY: Dec 31 2006

Q: Sep 30 2006

Q: Jun 30 2006

Completion of Acquisition or Disposition of Assets

8.01,9.01

2.02,9.01

5.02

2.02,9.01

7.01

Entry into a Material Definitive Agreement

2.02,9.01

8.01,9.01

2.02,9.01

Results of Operations and Financial Condition

5.07,7.01

2.02,9.01

2.02,9.01

2.02,9.01

Results of Operations and Financial Condition

Results of Operations and Financial Condition

2.02,9.01

Results of Operations and Financial Condition

Results of Operations and Financial Condition

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

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

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

No description available

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

none

BUFFETT WARREN E;BERKSHIRE HATHAWAY INC;BCS Holdings, LLC;OBH LLC

DENHAM ROBERT E

PETERS CASPERS ELIZABETH

KAUFMAN PETER D

SAHM ROBERT E

BERKSHIRE HATHAWAY INC

WESCO FINANCIAL CORP

WESCO FINANCIAL CORP

none

WESCO FINANCIAL CORP

WESCO FINANCIAL CORP

WESCO FINANCIAL CORP

WESCO FINANCIAL CORP

WESCO FINANCIAL CORP

none

BERKSHIRE HATHAWAY INC

none

BERKSHIRE HATHAWAY INC

BERKSHIRE HATHAWAY INC

Letter from the SEC

Annual Report Scanned (Paper)

Letter from the SEC

Correspondence with the SEC

Annual Report Scanned (Paper)

Letter from the SEC

Annual Report Scanned (Paper)

Letter from the SEC

Letter from the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Annual Report Scanned (Paper)

Notification of the removal from listing and registration of matured redeemed or retired securities

Letter from the SEC

Annual Report Scanned (Paper)

Correspondence with the SEC

Letter from the SEC

Letter from the SEC