8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (D)

OF THE SECURITIES EXCHANGE ACT OF 1934

DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED) December 8, 2025

BERKSHIRE HATHAWAY INC.

(EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)

DELAWARE	001-14905	47-0813844
(STATE OR OTHER JURISDICTION<br> <br>OF INCORPORATION)	(COMMISSION<br> <br>FILE NUMBER)	(I.R.S. EMPLOYER<br> <br>IDENTIFICATION NO.)
3555 Farnam Street<br> <br>Omaha, Nebraska	68131
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(ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)	(ZIP CODE)

(402) 346-1400

REGISTRANT’S TELEPHONE NUMBER, INCLUDING AREA CODE

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
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☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
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☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
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Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading<br>Symbols	Name of each exchange<br>on which registered
Class A Common Stock	BRK.A	New York Stock Exchange
Class B Common Stock	BRK.B	New York Stock Exchange
1.125% Senior Notes due 2027	BRK27	New York Stock Exchange
2.150% Senior Notes due 2028	BRK28	New York Stock Exchange
1.500% Senior Notes due 2030	BRK30	New York Stock Exchange
2.000% Senior Notes due 2034	BRK34	New York Stock Exchange
1.625% Senior Notes due 2035	BRK35	New York Stock Exchange
2.375% Senior Notes due 2039	BRK39	New York Stock Exchange
0.500% Senior Notes due 2041	BRK41	New York Stock Exchange
2.625% Senior Notes due 2059	BRK59	New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

ITEM 5.02	Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

b) On December 8, 2025, Berkshire Hathaway Inc. (“Berkshire”) announced that Marc D. Hamburg, Berkshire’s Senior Vice President and Chief Financial Officer will retire from Berkshire on June 1, 2027. Mr. Hamburg will resign as Berkshire’s Chief Financial Officer on June 1, 2026 and work with his replacement from that date until his retirement on June 1, 2027 to ensure a smooth and seamless transition.

c) On December 8, 2025, Berkshire announced that Mr. Charles C. Chang, age 57, will succeed Mr. Hamburg as Berkshire’s Senior Vice President and Chief Financial Officer on June 1, 2026. Mr. Chang has been Berkshire Hathaway Energy’s (“BHE”) Senior Vice President and Chief Financial Officer since joining BHE on October 1, 2024. Prior to joining BHE, Mr. Chang had been a partner at PricewaterhouseCoopers since 2002.

There are no family relationships between Mr. Chang and any of Berkshire’s directors or executive officers. Since Mr. Chang joined BHE there have been no transactions between Mr. Chang and Berkshire in which the amount involved exceeded $120,000 and in which Mr. Chang had a material financial interest.

The details regarding Mr. Chang’s compensation arrangements have not been finalized. Berkshire will disclose such information in an amendment to this Form 8-K once such information is finalized.

On December 8, 2025, Berkshire issued a press release announcing certain leadership changes including the changes reported above. A copy of the press release is attached as Exhibit 99.1.

ITEM 9.01	Financial Statements and Exhibits
Exhibit 99.1	Press release issued by Berkshire Hathaway Inc. dated December 8, 2025
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Exhibit 104	Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

December 11, 2025	BERKSHIRE HATHAWAY INC.
	/s/ Marc D. Hamburg
	By: Marc D. Hamburg
	Senior Vice President and Chief Financial Officer

EX-99.1

EXHIBIT 99.1

BERKSHIRE HATHAWAY INC.

Berkshire Hathaway Announces Leadership Appointments

FOR IMMEDIATE RELEASE	December 8, 2025

Omaha, NE (BRK.A; BRK.B) –

Berkshire Hathaway Inc. today announced the following leadership appointments across its non-insurance and insurance operations, as well as in corporate:

Non-Insurance Operations

Adam M. Johnson, CEO of NetJets, has been appointed President of the Consumer Products, Service and Retailing businesses of Berkshire Hathaway, effective immediately, while continuing in his role at NetJets. Mr. Johnson brings nearly three decades of experience at NetJets, including 10 years as CEO, where he strengthened operations and built enduring customer relationships across a global platform.

“Adam is an accomplished leader with a proven ability to deliver long-term shareholder value,” said Gregory E. Abel, Vice Chairman – Non-Insurance Operations. “In his new role, he will support the outstanding CEOs of our 32 consumer products, service and retailing businesses, and uphold Berkshire’s culture and values.”

The remaining non-insurance businesses – including industrial products, building products, BNSF, Berkshire Hathaway Energy, Pilot and McLane – will remain under Mr. Abel’s direct oversight as he assumes the role of President and CEO of Berkshire Hathaway on January 1, 2026.

Insurance Operations

Nancy L. Pierce has been appointed CEO of GEICO, effective immediately. Ms. Pierce currently serves as Chief Operating Officer of GEICO and, since joining the company in 1986, has held leadership roles across claims, underwriting, product management and regional operations.

“Nancy knows the business inside and out. She’s practical, decisive and focused on results. I have full confidence in her ability to move GEICO forward,” said Ajit Jain, Vice Chairman – Insurance Operations.

As part of this transition, Todd A. Combs will conclude his tenure at Berkshire Hathaway and join JPMorgan Chase & Co., where he has served as a Director of its Board since 2016. Warren E. Buffett, Berkshire’s Chairman, added: “Todd A. Combs, CEO of GEICO since 2020, has resigned to accept an interesting and important job at JPMorgan, which they describe in a press release that will be available very soon on their website. Todd made many great hires at GEICO and broadened its horizons. JPMorgan, as usually is the case, has made a good decision.”

Corporate

Chief Financial Officer

Marc D. Hamburg, Senior Vice President and Chief Financial Officer, will retire from Berkshire Hathaway on June 1, 2027, after 40 years of service. Berkshire Hathaway extends its gratitude to Mr. Hamburg for his exceptional leadership and dedication since joining the company in 1987.

“Marc has been indispensable to Berkshire and to me. His integrity and judgment are priceless. He has done more for this company than many of our shareholders will ever know,” said Mr. Buffett. “His impact has been extraordinary.”

Charles C. Chang will succeed him as Senior Vice President and Chief Financial Officer of Berkshire Hathaway, effective June 1, 2026. Mr. Hamburg and Mr. Chang will work together to ensure a smooth and seamless transition period. Mr. Chang will be based in Omaha. He currently serves as Senior Vice President and Chief Financial Officer of Berkshire Hathaway Energy, a role he has held since 2024. Prior to joining Berkshire Hathaway Energy, Mr. Chang was a partner at PricewaterhouseCoopers. He has more than three decades of experience in public company financial reporting and mergers and acquisitions, serving some of PricewaterhouseCoopers’s largest clients.

General Counsel

Michael J. O’Sullivan has been appointed Senior Vice President and General Counsel, effective January 1, 2026. He will also be based in Omaha. Mr. O’Sullivan joins Berkshire Hathaway from Snap Inc., where he has served as general counsel since 2017. Previously, he practiced law at Munger, Tolles & Olson for more than two decades, advising companies on corporate governance matters, litigation and mergers and acquisitions.

His appointment marks the creation of a new position at Berkshire Hathaway, which has for decades primarily utilized external legal counsel for corporate matters.

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These leadership appointments reflect Berkshire Hathaway’s practice of selecting leaders who are stewards of the company’s culture, demonstrate strong business acumen and judgment and enable Berkshire’s distinctive way of operating. Berkshire remains well positioned for the future.

About Berkshire

Berkshire Hathaway and its subsidiaries engage in diverse business activities including insurance and reinsurance, utilities and energy, freight rail transportation, manufacturing, services and retailing. Common stock of the company is listed on the New York Stock Exchange, trading symbols BRK.A and BRK.B.

Cautionary Statement

Certain statements contained in this press release are “forward looking” statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements are not guaranties of future performance and actual results may differ materially from those forecasted.

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Contact

Marc D. Hamburg

402-346-1400