Warren Buffett

Chairman of the Board, Berkshire Hathaway · since 2026-01-01

Chief executive through the end of 2025 and remains chairman of the board.

In the news

Berkshire buys about $54 million of Lennar shares on Sept. 28-30

Berkshire's Form 4 for Lennar shows open-market purchases on September 28, 29 and 30, 2026, totaling about 656,302 Class A and 4,108 Class B shares.

Insiders

Berkshire adds about $136 million of Lennar shares on Sept. 23-25 purchases

Berkshire's Form 4 for Lennar shows further open-market buying on September 23, 24 and 25, 2026.

Insiders

Berkshire buys about $212 million of Lennar stock from Sept. 17-21 and becomes a 10% owner

Berkshire Hathaway's Form 4 shows open-market purchases of about 2.67 million Lennar Class A shares and 75,021 Class B shares from September 17 to 21, 2026, at prices of roughly $74.80 to $79.41.

Insiders

Warren Buffett becomes Chairman Emeritus; Howard Buffett elected Berkshire chairman

Berkshire said Warren Buffett became Chairman Emeritus effective September 18, 2026, and will remain a director.

Management

Berkshire and Buffett report sale of 182,980 DaVita shares at $199.55 on July 31

A Form 4 filed on August 4 shows Berkshire and Warren Buffett selling 182,980 DaVita common shares on July 31, 2026, at $199.548 each.

Insiders

Buffett converts 8,000 Class A shares into 12 million Class B shares for four foundations

Warren Buffett converted 8,000 Class A shares into 12,000,000 Class B shares to donate to four foundations.

Insiders

Charles Chang's CFO pay set at $8 million as Marc Hamburg's retirement terms are filed

A May 2026 8-K sets the terms of the CFO handover: Charles Chang succeeds Marc Hamburg as chief financial officer on June 1, 2026, at an annual cash salary of $8 million.

Management