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Berkshire Hathaway Inc.

BRK-B Net buying
CIK 0001067983 #9 in the set updated 17 Sep 2026
Bought (12 mo)
$500.62K
out of their own pocket, the only kind of buying there is
Sold (12 mo)
$0.00
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$0.00
1 of 1 sales
Net
+$500.62K
+$500.62K against sales at will

By person

5 insiders · 6 transactions
Insider
Role
Bought
Sold
Net
Holding
Worth
Change
O'Sullivan Michael J.
See Remarks
$500.62K (5)
—
+$500.62K
1,151
$591.17K
+806.3%
Jain Ajit
Vice Chairman
—
— (1)
$0.00
214,933
$110.39M
−7.4%
GUYMAN CHARLOTTE
Director
—
—
—
2,888
$1.48M
+202.4%
BUFFETT WARREN E
Director
—
—
—
1,162
$596.81K
−12.8%
WITMER MERYL B
Director
—
—
—
2
$1.03K
−50.0%

No percentages here. Berkshire Hathaway Inc. reports its share count only per share class, which the XBRL frames API does not carry.

Individual transactions

5
Insider
Date
Role
Action
Shares
Price
Amount
O'Sullivan Michael J.
12 Aug 2026
See Remarks
Buy indirect
43
$513.61
$22.09K
O'Sullivan Michael J.
12 Aug 2026
See Remarks
Buy indirect
400
$512.52
$205.01K
O'Sullivan Michael J.
12 Aug 2026
See Remarks
Buy indirect
45
$510.64
$22.98K
O'Sullivan Michael J.
6 May 2026
See Remarks
Buy indirect
53
$470.22
$24.92K
O'Sullivan Michael J.
6 May 2026
See Remarks
Buy indirect
483
$467.13
$225.62K
Show all 6 transactions →

What was left out

Form 4 filings counted 17
Amendments (4/A) skipped 0
Filings about a different issuer 5
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 1
Transactions with no price 1
Shares from compensation/vesting 29,477,535
History held since 29 Aug 2016