BERKSHIRE HATHAWAY INC

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

Net 180d

-$6.5M

21 buys / 2 sales

Open-market buys

$212.9M

21 transactions

Open-market sales

$219.4M

2 transactions

Cluster windows

0 buy / 0 sell

2-year window · 100 buys · 104 sales · dot size = transaction value

AcquisitionsSalesCluster window (≥2 sales / month)

Form 4 transactions

Showing 30 of 204

Date	Insider	Type	Shares	Value
2026-09-21	BERKSHIRE HATHAWAY INC	Buy	18,146	$1.4M
2026-09-21	BERKSHIRE HATHAWAY INC	Buy	160,275	$12.4M
2026-09-21	BERKSHIRE HATHAWAY INC	Buy	483,809	$37.7M
2026-09-21	BERKSHIRE HATHAWAY INC	Buy	4,888	$370.3K
2026-09-18	BERKSHIRE HATHAWAY INC	Buy	33,122	$2.5M
2026-09-18	BERKSHIRE HATHAWAY INC	Buy	68,760	$5.4M
2026-09-18	BERKSHIRE HATHAWAY INC	Buy	7,900	$623.2K
2026-09-18	BERKSHIRE HATHAWAY INC	Buy	710	$54.7K
2026-09-18	BERKSHIRE HATHAWAY INC	Buy	500	$39.2K
2026-09-18	BERKSHIRE HATHAWAY INC	Buy	390	$29.5K
2026-09-18	BERKSHIRE HATHAWAY INC	Buy	1,218,429	$93.1M
2026-09-18	BERKSHIRE HATHAWAY INC	Buy	51,586	$4.0M
2026-09-17	BERKSHIRE HATHAWAY INC	Buy	267,585	$21.0M
2026-09-17	BERKSHIRE HATHAWAY INC	Buy	410,164	$32.6M
2026-09-17	BERKSHIRE HATHAWAY INC	Buy	8,959	$689.5K
2026-09-17	BERKSHIRE HATHAWAY INC	Buy	8,306	$647.4K
2026-09-03	Jain AjitVice Chairman	Gift	10	—
2026-08-12	O'Sullivan Michael J.See Remarks	Buy	400	$205.0K
2026-08-12	O'Sullivan Michael J.See Remarks	Buy	43	$22.1K
2026-08-12	O'Sullivan Michael J.See Remarks	Buy	45	$23.0K
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	Gift	1,000,000	—
2026-07-14	BUFFETT WARREN E	Gift	1,000,000	—
2026-07-14	BUFFETT WARREN E	Gift	9,000,000	—
2026-07-14	BUFFETT WARREN E	Acquired	12,000,000	—
2026-07-01	Jain AjitVice Chairman	Gift	3	—
2026-05-22	BUFFETT WARREN E	Gift	160	—
2026-05-18	BUFFETT WARREN E	Gift	18,646	—
2026-05-18	BUFFETT WARREN E	Acquired	37,500	—