X0306 4 2022-01-06 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 2022-01-06 5 G 0 E 7 D 915 D Class B Common Stock 170043 I By Jain Foundation Inc. (Non-Profit Corporation) Class A Common Stock Class B Common Stock 21000 14 D Class A Common Stock Class B Common Stock 453000 302 I By the Ajit Jain GRAT Trust On January 6, 2022, the Reporting Person made charitable gifts totaling 7 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. These amounts reflect changes since the previous filing, where as part of ordinary estate planning, shares of Class A Common Stock directly or indirectly beneficially owned by the Reporting Person were moved between trusts established by the Reporting Person, the Reporting Person's spouse, and the direct ownership of the Reporting Person. No shares of Class A Common Stock were acquired or disposed of from the perspective of shares directly and indirectly beneficially owned by the Reporting Person. The Reporting Person directly owns 14 shares of Class A Common Stock, which are convertible into 21,000 shares of Class B Common Stock. A family trust established by the Reporting Person for the benefit of the Reporting Person's descendants owns 302 shares of Class A Common Stock, which are convertible into 453,000 shares of Class B Common Stock Ajit Jain 2022-01-10