SCHEDULE 13G/A 0001067983 XXXXXXXX LIVE 1 COMMON STOCK 09/30/2025 0000896159 CHUBB LIMITED H1467J104 BARENGASSE 32 Zurich V8 CH-8001 Rule 13d-1(b) Warren E. Buffett a X1 0 31332895 0 31332895 31332895 N 8.0 IN Berkshire Hathaway Inc. a DE 0 31332895 0 31332895 31332895 N 8.0 HC CO National Indemnity Company a NE 0 31332895 0 31332895 31332895 N 8.0 IC CO CHUBB LIMITED BARENGASSE 32, Zurich, Switzerland CH-8001 Warren E. Buffett National Indemnity Company Berkshire Hathaway Inc. Warren E. Buffett and Berkshire Hathaway - 3555 Farnam Street, Omaha, Nebraska 68131. National Indemnity Company - 1314 Douglas Street, Omaha, Nebraska 68102 Warren E. Buffett - United States citizen, National Indemnity Company - Nebraska corporation, Berkshire Hathaway Inc. - Delaware corporation N IC HC See Cover Pages See Cover Pages none 31,332,895 shares of common stock none 31,332,895 shares of common stock Y Y N See Exhibit A N See Exhibit A Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Warren E. Buffett /s/ Warren E. Buffett 11/14/2025 Berkshire Hathaway Inc. /s/ Warren E. Buffett 11/14/2025 National Indemnity Company /s/ Dale D. Geistkemper 11/14/2025