BRK-B: 10-Q financial filing

10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2026 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-14905 BERKSHIRE HATHAWAY INC . (Exact name of Registrant as specified in its charter) Delaware 47-0813844 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification Number) 3555 Farnam Street , Omaha , Nebraska 68131 (Address of principal executive office) (Zip Code) ( 402 ) 346-1400 (Registrant’s telephone number, including area code) (Former name, former address and former fiscal year, if changed since last report) Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbols Name of each exchange on which registered Class A Common Stock Class B Common Stock 1.125% Senior Notes due 2027 2.150% Senior Notes due 2028 1.500% Senior Notes due 2030 2.000% Senior Notes due 2034 1.625% Senior Notes due 2035 2.375% Senior Notes due 2039 0.500% Senior Notes due 2041 2.625% Senior Notes due 2059 BRK.A BRK.B BRK27 BRK28 BRK30 BRK34 BRK35 BRK39 BRK41 BRK59 New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was