-- Michael J. O'Sullivan, Senior Vice President, General Counsel and Secretary, on May 06, 2026, executed a purchase for 536 shares in Berkshire Hathaway (BRK.B) for $250,545. Following the Form 4 filing with the SEC, O'Sullivan has control over a total of 663 Class B common shares of the company, with 663 controlled indirectly.
SEC Filing:
https://www.sec.gov/Archives/edgar/data/1067983/000119312526209661/xslF345X05/ownership.xml