X0306 4 2021-12-21 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 170043 I By Jain Foundation Inc. (Non-Profit Corporation) Class B Common Stock 2021-12-21 5 G 0 E 69 D 922 D Class A Common Stock Class B Common Stock 13500 9 D Class A Common Stock Class B Common Stock 340500 227 I By the Ajit Jain GRAT Trust Class A Common Stock Class B Common Stock 120000 80 I By the Indrima Jain GRAT Trust On December 21st, the Reporting Person made charitable gifts totaling 69 shares of Class B Common Stock. 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. The Reporting Person directly owns 9 shares of Class A Common Stock, which are convertible into 13,500 shares of Class B Common Stock. A family trust established by the Reporting Person for the benefit of the Reporting Person's descendants owns 227 shares of Class A Common Stock, which are convertible into 340,500 shares of Class B Common Stock. A family trust established by the Reporting Person's Spouse for the benefit of the Reporting Person's descendants owns 80 shares of Class A Common Stock, which are convertible into 120,000 shares of Class B Common Stock. Ajit Jain 2021-12-27