X0306 4 2020-09-30 0 0001067983 BERKSHIRE HATHAWAY INC BRK.A 0001728451 Jain Ajit 100 FIRST STAMFORD PLACE BHRG STAMFORD CT 06902 1 1 0 0 Vice Chairman Class B Common Stock 1455 D Class B Common Stock 2020-09-30 4 S 0 7000 213 D 185095 I By Jain Foundation Inc. (Non-Profit Corporation) Class A Common Stock Class B Common Stock 219000 146 I By the Ajit Jain GRAT Trust Class A Common Stock Class B Common Stock 255000 170 I By the Indrima Jain GRAT Trust Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common stock. A family trust established by the Reporting Person for the benefit of the Reporting Person's children owns 146 shares of Class A Common Stock, which are convertible into 219,000 shares of Class B Common Stock. A family trust established by the Reporting Person's spouse for the benefit of the Reporting Person's children owns 170 shares of Class A Common Stock, which are convertible into 255,000 shares of Class B Common Stock. Ajit Jain 2020-10-02