Welcome to our dedicated page for BRK SEC filings (Ticker: BRK), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Berkshire Hathaway Inc. filings document the disclosure record of a diversified operating company with Class A common stock, Class B common stock, and multiple senior note series registered on the New York Stock Exchange. Current reports cover earnings releases, segment operating results, insurance and reinsurance activity, freight rail, utilities and energy, manufacturing, service and retailing operations, and investment income and gains or losses.
The filing record also includes Form 8-K material-event reports, definitive proxy statements for annual meeting matters, senior note issuance disclosures, common stock repurchase policy updates, executive officer and director matters, shareholder proposals, advisory compensation votes, capital structure details, and governance disclosures tied to Berkshire's operating subsidiaries and securities.
Berkshire Hathaway Inc. director and major shareholder Warren E. Buffett reported non-market transactions involving the company’s stock. On July 14, 2026 he converted 8,000 shares of Class A Common Stock into 12,000,000 shares of Class B Common Stock, using the stated 1,500-to-1 conversion ratio. On the same date he made bona fide gifts totaling 12,000,000 Class B shares to charitable organizations. After these transactions, he directly holds 188,290 Class A shares and 12,001,162 Class B shares, with no open-market purchases or sales reported.
Warren E. Buffett reports beneficial ownership of 188,290 shares of Berkshire Hathaway Class A common stock and 1,162 shares of Class B common stock. These holdings represent approximately 38.2% of the outstanding Class A shares, 29.7% of the aggregate voting power of both classes and 13.2% of their combined economic interest.
On July 14, 2026, Buffett converted 8,000 shares of Class A common stock into 12,000,000 Class B shares. On the same date he donated 9,000,000 Class B shares to the Susan Thompson Buffett Foundation and 1,000,000 Class B shares to each of the Sherwood Foundation, the Howard G. Buffett Foundation and the NoVo Foundation.
Ajit Jain, Vice Chairman of Berkshire Hathaway, reported a small charitable gift of stock. On July 1, he made charitable gifts totaling 3 shares of Class B Common Stock as a bona fide gift, leaving 327 Class B shares held directly.
He also reports substantial indirect and derivative interests. Jain Foundation Inc., a non-profit corporation, holds 107,308 shares of Class B Common Stock indirectly for him, and related Class A positions are convertible into underlying Class B shares through various direct and family trust holdings.
Berkshire Hathaway Inc. insider Charles C. Chang filed an initial ownership report showing indirect holdings of Class A Common Stock. The filing lists 6 shares of Class A held through a limited liability company controlled by Chang and his spouse. Each share of Class A Common Stock is convertible at any time into 1,500 shares of Class B Common Stock at the holder’s option. This Form 3 is a disclosure of existing indirect ownership rather than a report of new buy or sell transactions.
Berkshire Hathaway director Warren E. Buffett reported a bona fide gift of 160 shares of Class B Common Stock on May 22, 2026. The filing states this was a gift to a charitable organization. After the transaction, he directly held 1,162 Class B shares. The Form 4 also includes a Class A Common Stock entry with zero shares shown following the transaction, with a footnote explaining that each Class A share is convertible into 1,500 Class B shares and that Class A holdings are reported in the derivative table.
Berkshire Hathaway director Warren E. Buffett reported a set of internal share moves involving Class A and Class B stock. He converted 25 shares of Class A Common Stock into 37,500 shares of Class B Common Stock, consistent with the 1-for-1,500 conversion ratio.
On the same date, he made two bona fide gifts of Class B Common Stock totaling 37,292 shares to charitable organizations at no consideration. After these transactions, Buffett directly held 196,290 Class A shares and 38,614 Class B shares.
Berkshire Hathaway Inc. director Charlotte Guyman reported a charitable-style transfer of Class B Common Stock. On May 14, 2026, she made a bona fide gift of 574 shares of Class B common stock, recorded with no sale price.
The footnote explains this consisted of gifts of 82 shares each to seven individuals. After these gifts, Guyman still directly owns 2,888 shares of Berkshire Hathaway Class B stock. This is a personal share transfer rather than a market sale, so it does not reflect open-market trading activity.
Berkshire Hathaway Inc. filed a Form 13F reporting institutional holdings with a Form 13F Information Table Value Total of $263,095,703,570. The filing lists 90 reported holdings entries across 14 other included managers and was signed on 05-15-2026.
Berkshire Hathaway Inc. reported sharply higher results for the first quarter of 2026 and detailed several governance updates. Net earnings attributable to Berkshire shareholders were $10,106 million, up from $4,603 million a year earlier, while operating earnings rose to $11,346 million from $9,641 million.
Net earnings per average equivalent Class A share were $7,027 versus $3,200, and Class B share earnings were $4.68 versus $2.13. Insurance underwriting, BNSF, Berkshire Hathaway Energy, and manufacturing, service and retailing all contributed to operating earnings. Insurance float was about $176.9 billion at March 31, 2026.
The board confirmed that Charles C. Chang will succeed Marc D. Hamburg as Chief Financial Officer on June 1, 2026, with an annual cash salary of $8,000,000. In connection with Mr. Hamburg’s retirement, Berkshire will provide up to 30 NetJets flight hours per year through May 31, 2037, at an estimated cost of about $490,000 per year, including tax gross-up payments.
Shareholders elected all director nominees, approved on a non-binding basis the compensation of named executive officers, and supported holding the advisory vote on executive compensation every three years. A shareholder proposal on a workforce and human-capital oversight report did not pass. The company also amended and restated its by-laws to align officer roles, capital stock provisions, and execution of papers with its current operating structure.
Berkshire Hathaway officer Michael J. O'Sullivan reported two indirect open-market purchases of Class B Common Stock through a living trust of which he is trustee. The trust bought a total of 536 shares, including 53 shares at $470.22 per share and 483 shares at a weighted average price of $467.13 per share, with those shares acquired in multiple trades between $467.07 and $467.20 per share.