Insider · CIK 0000315090

BUFFETT WARREN E

Reports to the SEC for 32 companies · OMAHA, NE

sec.gov

Transactions

Companies

Filings

CIK

0000315090

Summary

Warren E. Buffett

Updated Dec 21, 2025

Warren E. Buffett is the longtime chairman and chief executive of Berkshire Hathaway, a diversified holding company that acquires and manages operating businesses and public equity stakes. He appears regularly as a reporting person on SEC Section 16 filings and is associated with Berkshire’s large, disclosed holdings in major public companies.^[1]

Career Background

Chair and Chief Executive Officer of Berkshire Hathaway, leading the company’s capital allocation and acquisition activities.^[1]
Served on public-company boards, including a past directorship at The Gillette Company, and has been an influential long‑term investor in major U.S. corporations.^[2]
Frequently appears as a reporting person on SEC filings for Berkshire-related holdings and transactions, reflecting his role in the company’s investment activities.^[3]
Education: B.S. in Business Administration from the University of Nebraska and M.S. in Economics from Columbia Business School.^[4]

Current Positions

Chairman and Chief Executive Officer — Berkshire Hathaway (BRK.A / BRK.B), principal executive overseeing the conglomerate’s subsidiaries and investment portfolio.^[1]
Reported principal through Berkshire Hathaway of substantial, disclosed equity stakes in major public companies (examples include The Coca‑Cola Company (KO), Bank of America (BAC) and HP Inc. (HPQ)), as reflected in company proxy and SEC filings.^[1]

SEC Filing Context

Identified as a reporting person on many Section 16 (Form 3/4/5) filings that document equity holdings and transactions tied to Berkshire Hathaway and its subsidiaries.^[3]
Certain Form 4 and proxy disclosures record his association with board service and with Berkshire’s significant beneficial ownership positions in public companies (filings distinguish direct personal holdings from shares owned by Berkshire entities).^[5]

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-07-14	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−1M sh	—	—	2,001,162
2026-07-14	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−1M sh	—	—	1,162
2026-07-14	BRK-BBERKSHIRE HATHAWAY INCC Conversion	Director, 10% Owner	CConversion	+12M sh	—	—	12,001,162
2026-07-14	BRK-BBERKSHIRE HATHAWAY INC · Class A Common StockC Conversion	Director, 10% Owner	CConversion	−8,000 sh	—	—	188,290
2026-07-14	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−9M sh	—	—	3,001,162
2026-07-14	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−1M sh	—	—	1,001,162
2026-05-22	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−160 sh	—	—	1,162
2026-05-18	BRK-BBERKSHIRE HATHAWAY INCC Conversion	Director, 10% Owner	CConversion	+37.5K sh	—	—	38,614
2026-05-18	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−18.6K sh	—	—	19,968
2026-05-18	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−18.6K sh	—	—	1,322
2026-05-18	BRK-BBERKSHIRE HATHAWAY INC · Class A Common StockC Conversion	Director, 10% Owner	CConversion	−25 sh	—	—	196,290
2026-03-17	BRK-BBERKSHIRE HATHAWAY INC · Class A Common StockG Gift	Director, 10% Owner	GGift	−2 sh	—	—	196,315
2025-11-10	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−400K sh	—	—	801,114
2025-11-10	BRK-BBERKSHIRE HATHAWAY INC · Class A Common StockC Conversion	Director, 10% Owner	CConversion	−1,800 sh	—	—	196,317
2025-11-10	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−1.5M sh	—	—	1,201,114
2025-11-10	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−400K sh	—	—	401,114
2025-11-10	BRK-BBERKSHIRE HATHAWAY INCC Conversion	Director, 10% Owner	CConversion	+2.7M sh	—	—	2,701,114
2025-11-10	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−400K sh	—	—	1,114
2025-07-14	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−30 sh	—	—	1,114
2025-06-30	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−660K sh	—	—	1,144
2025-06-30	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−660K sh	—	—	661,510
2025-06-30	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−660K sh	—	—	1,321,876
2025-06-30	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−943K sh	—	—	1,982,242
2025-06-30	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−9.43M sh	—	—	2,925,626
2025-06-27	BRK-BBERKSHIRE HATHAWAY INC · Class A Common StockC Conversion	Director, 10% Owner	CConversion	−8,239 sh	—	—	198,117
2025-06-27	BRK-BBERKSHIRE HATHAWAY INCC Conversion	Director, 10% Owner	CConversion	+12.4M sh	—	—	12,359,465
2025-05-14	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−22 sh	—	—	965
2025-05-13	BRK-BBERKSHIRE HATHAWAY INCC Conversion	Director, 10% Owner	CConversion	+1,500 sh	—	—	2,291
2025-05-13	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−1,304 sh	—	—	987
2025-05-13	BRK-BBERKSHIRE HATHAWAY INC · Class A Common StockC Conversion	Director, 10% Owner	CConversion	−1 sh	—	—	206,356
2025-04-09	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−160 sh	—	—	791
2025-04-07	BRK-BBERKSHIRE HATHAWAY INC · Class A Common StockG Gift	Director, 10% Owner	GGift	−2 sh	—	—	206,357
2024-12-04	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−6,382 sh	—	—	951
2024-12-03	BRK-BBERKSHIRE HATHAWAY INCC Conversion	Director, 10% Owner	CConversion	+6,000 sh	—	—	7,333
2024-12-03	BRK-BBERKSHIRE HATHAWAY INC · Class A Common StockC Conversion	Director, 10% Owner	CConversion	−4 sh	—	—	206,359
2024-11-25	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−300K sh	—	—	601,333
2024-11-25	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−300K sh	—	—	301,333
2024-11-25	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−1.5M sh	—	—	901,333
2024-11-25	BRK-BBERKSHIRE HATHAWAY INCC Conversion	Director, 10% Owner	CConversion	+2.4M sh	—	—	2,401,333
2024-11-25	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−300K sh	—	—	1,333
2024-09-12	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−10 sh	—	—	1,333
2024-09-12	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−10 sh	—	—	1,343
2024-07-02	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−1,233 sh	—	—	1,353
2024-06-28	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−695K sh	—	—	697,708
2024-06-28	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−695K sh	—	—	2,586
2024-06-28	BRK-BBERKSHIRE HATHAWAY INC · Class A Common StockC Conversion	Director, 10% Owner	CConversion	−8,674 sh	—	—	207,963
2024-06-28	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−695K sh	—	—	1,392,830
2024-06-28	BRK-BBERKSHIRE HATHAWAY INCC Conversion	Director, 10% Owner	CConversion	+13M sh	—	—	13,011,344
2024-06-28	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−9.93M sh	—	—	3,080,987
2024-06-28	BRK-BBERKSHIRE HATHAWAY INCG Gift	Director, 10% Owner	GGift	−993K sh	—	—	2,087,952

Recent filings

Accepted (ET)
Jul 154
BUFFETT WARREN E0001193125-26-304843
SEC(opens sec.gov)
May 264
BUFFETT WARREN E0001193125-26-239886
SEC(opens sec.gov)
May 204
BUFFETT WARREN E0001193125-26-232543
SEC(opens sec.gov)
Mar 194
BUFFETT WARREN E0001193125-26-116315
SEC(opens sec.gov)
Nov 124
BUFFETT WARREN E0001193125-25-277658
SEC(opens sec.gov)
Jul 164
BUFFETT WARREN E0000950170-25-096373
SEC(opens sec.gov)
Jun 304
BUFFETT WARREN E0000950170-25-091838
SEC(opens sec.gov)

Companies

Address

3555 FARNAM STREET

OMAHA, NE, 68131