Source-grounded facts extracted from BERKSHIRE HATHAWAY INC's SEC 8-K filings across all families, newest first. Each cites a verbatim SEC excerpt.
BERKSHIRE HATHAWAY INC: Amended and restated By-Laws to update officer roles and responsibilities, changes to Sections 4, 6, and 10 (effective 2026-05-03).
“On May 3, 2026, the Board of Directors of Berkshire (the “Board”) voted to amend and restate Berkshire’s By-Laws effective immediately.”
BERKSHIRE HATHAWAY INC reported financial results for first quarter ended March 31, 2026.
“On May 2, 2026, Berkshire Hathaway Inc. (“Berkshire” or “Company”) issued a press release announcing the Company’s earnings for the first quarter ended March 31, 2026.”
Charles C. Chang was appointed as Chief Financial Officer at BERKSHIRE HATHAWAY INC.
“As previously announced, Charles C. Chang will succeed Marc D. Hamburg as Berkshire’s Chief Financial Officer on June 1, 2026.”
Marc D. Hamburg retired as Chief Financial Officer at BERKSHIRE HATHAWAY INC.
“In connection with Mr. Hamburg’s retirement as Berkshire’s Chief Financial Officer”
BERKSHIRE HATHAWAY INC: Amended and restated By-Laws to separate the roles of Chairman and CEO, effective upon appointment of Greg Abel as CEO on Jan 1, 2026 (effective 2025-09-30).
“On September 30, 2025, the Board of Directors (the “Board”) of Berkshire Hathaway Inc., a Delaware corporation (the “Company”) voted to amend and restate the Company’s By-Laws effective immediately.”
Warren Buffett changed role as Chief Executive Officer at BERKSHIRE HATHAWAY INC.
“On May 3, 2025, Mr. Warren Buffett, Berkshire’s Chairman and CEO, announced that he was going to recommend to Berkshire’s Board of Directors at its meeting to be held on May 4, 2025 that Mr. Greg Abel, Berkshire’s Vice Chairman – Non-Insurance Operations, be appointed Berkshire’s Chief Executive Officer to become effective on January 1, 2026.”
Greg Abel was appointed as President and CEO at BERKSHIRE HATHAWAY INC.
“On May 4, 2025, Berkshire’s Board of Directors voted unanimously to appoint Mr. Abel to become Berkshire’s President and CEO effective on January 1, 2026.”
Facts are extracted by an LLM and gated to those whose source quote is present verbatim in the filing text. Coverage is best-effort while backfill and monitoring mature; this is not yet a full-market index. See methodology.