BERKSHIRE HATHAWAY INC

Fire, Marine & Casualty Insurance·OMAHA, NE·FY end 12/31·CIK 1067983

Net 180d

-$219.1M

2 buys / 2 sales

Open-market buys

$250.5K

2 transactions

Open-market sales

$219.4M

2 transactions

Cluster windows

0 buy / 0 sell

2-year window · 81 buys · 128 sales · dot size = transaction value

AcquisitionsSalesCluster window (≥2 sales / month)

Form 4 transactions

Showing 30 of 209

Date	Insider	Type	Shares	Value
2026-07-31	BERKSHIRE HATHAWAY INC	Sale	182,980	-$36.5M
2026-07-14	BUFFETT WARREN E	Gift	1,000,000	—
2026-07-14	BUFFETT WARREN E	Acquired	12,000,000	—
2026-07-14	BUFFETT WARREN E	Gift	9,000,000	—
2026-07-14	BUFFETT WARREN E	Gift	1,000,000	—
2026-07-14	BUFFETT WARREN E	Gift	1,000,000	—
2026-07-01	Jain AjitVice Chairman	Gift	3	—
2026-05-22	BUFFETT WARREN E	Gift	160	—
2026-05-18	BUFFETT WARREN E	Acquired	37,500	—
2026-05-18	BUFFETT WARREN E	Gift	18,646	—
2026-05-18	BUFFETT WARREN E	Gift	18,646	—
2026-05-14	GUYMAN CHARLOTTE	Gift	574	—
2026-05-06	O'Sullivan Michael J.See Remarks	Buy	53	$24.9K
2026-05-06	O'Sullivan Michael J.See Remarks	Buy	483	$225.6K
2026-05-01	BERKSHIRE HATHAWAY INC	Sale	1,220,376	-$182.9M
2026-03-27	Jain AjitVice Chairman	Gift	22	—
2026-01-29	BERKSHIRE HATHAWAY INC	Sale	1,658,480	-$199.9M
2026-01-16	BERKSHIRE HATHAWAY INC	Sale	7,685	-$643.4K
2026-01-15	BERKSHIRE HATHAWAY INC	Sale	18,125	-$1.5M
2026-01-14	BERKSHIRE HATHAWAY INC	Sale	59,411	-$5.0M
2026-01-13	BERKSHIRE HATHAWAY INC	Sale	30,643	-$2.5M
2026-01-12	BERKSHIRE HATHAWAY INC	Sale	66,568	-$5.5M
2026-01-09	BERKSHIRE HATHAWAY INC	Sale	18,689	-$1.5M
2026-01-08	BERKSHIRE HATHAWAY INC	Sale	65,071	-$5.4M
2026-01-07	BERKSHIRE HATHAWAY INC	Sale	44,100	-$3.6M
2026-01-06	BERKSHIRE HATHAWAY INC	Sale	20,226	-$1.7M
2025-11-10	BUFFETT WARREN EChairman and CEO	Acquired	2,700,000	—
2025-11-10	BUFFETT WARREN EChairman and CEO	Gift	1,500,000	—
2025-11-10	BUFFETT WARREN EChairman and CEO	Gift	400,000	—
2025-11-10	BUFFETT WARREN EChairman and CEO	Gift	400,000	—