Filing search / Berkshire Hathaway Inc. / "Environmental" / Page 3

CORRESP

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22 Jun 12

Correspondence with SEC

12:00am

8-K

EX-99.1

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27 Feb 12

Regulation FD Disclosure

12:00am

424B2

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11 Aug 11

Prospectus for primary offering

12:00am

424B2

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10 Aug 11

Prospectus for primary offering

12:00am

8-K

EX-99.1

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17 Mar 11

Berkshire Hathaway to Acquire Lubrizol for $135 per Share in an All-Cash Transaction

12:00am

8-K

EX-10.1

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17 Mar 11

Berkshire Hathaway to Acquire Lubrizol for $135 per Share in an All-Cash Transaction

12:00am

8-K

EX-99.1

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28 Feb 11

Regulation FD Disclosure

12:00am