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Investment Visual

BRK-B

Berkshire Hathaway Inc.

$592.94+3.11 (+0.53%)Close Nov 13, 2026

Backtest BRK-B

Insider trading

12 months to Oct 23, 2026
Net sold
$19.5M
Sales less buys
Bought
$501K
Michael J. O'Sullivan
Sold
$20.0M
Ajit Jain
Latest buy
Aug 12, 2026
Michael J. O'Sullivan

Buys and sales on the price

Since 2003

By period

Open-market trades
Trades3 months12 monthsSince 2003
Buys1229
Sales11221
Plan sales00166
Shares bought4884881,0241.02K47,77647.8K
Shares sold39,70039.7K39,70039.7K6,859,5706.86M
Net shares−39,212−39.2K−38,676−38.7K−6,811,794−6.81M
Net value−$19.7M−$19.5M−$482M

Insiders

Insider12 monthsShares held
Ajit Jain
Vice Chairman, Director
−36.9%
67,906
Charlotte Guyman
Director
—
2,888
Gregory E. Abel
See Remarks, Director
—
2,363
as of Mar 5, 2026
Warren E. Buffett
Director, 10% owner
—
1,162
Michael J. O'Sullivan
See Remarks
+806.3%
1,151

Trades

250 trades since 2003
TypeInsiderRoleSharesPriceHeld after
Sep 28, 2026Sale
Class B
Ajit JainVice Chairman, Director
Vice Chairman, Director
Vice Chairman, Director
39,700
at $503.09
$503.09$20.0M
−36.9%
Changed by trades not shown: 67.9K after
Changed by trades not shown: 67,925
Aug 12, 2026Buy
Class B
Michael J. O'SullivanSee Remarks
See Remarks
See Remarks
488
at $512.44
$512.44$250K
+73.6%
1.15K after
1,151
May 6, 2026Buy
Class B
Michael J. O'SullivanSee Remarks
See Remarks
See Remarks
536
at $467.44
$467.44$251K
+422.0%
663 after
663
Sep 26, 2025Sale
Class B
Ajit JainVice Chairman, Director
Vice Chairman, Director
Vice Chairman, Director
15,000
——
−12.2%
Changed by trades not shown: 108K after
Changed by trades not shown: 107,692
Aug 8, 2025Sale
Class B
Ajit JainVice Chairman, Director
Vice Chairman, Director
Vice Chairman, Director
2,000
at $464.73
$464.73$929K
−1.6%
Changed by trades not shown: 123K after
Changed by trades not shown: 122,724
Mar 3, 2025Sale
Class A
Meryl B. WitmerDirector
Director
Director
2
at $775,883.30
$775,883.30$1.55M
−13.3%
13 after
13
Aug 8, 2023Sale
Class B
Ajit JainVice Chairman, Director
Vice Chairman, Director
Vice Chairman, Director
28,000
at $362.55
$362.55$10.2M
−18.3%
Changed by trades not shown: 125K after
Changed by trades not shown: 124,920
Mar 2, 2023Sale
Class B
Ajit JainVice Chairman, Director
Vice Chairman, Director
Vice Chairman, Director
6,595
at $303.28
$303.28$2.00M
−4.1%
Changed by trades not shown: 153K after
Changed by trades not shown: 153,130
Nov 29, 2022Sale
Class B
Ajit JainVice Chairman, Director
Vice Chairman, Director
Vice Chairman, Director
4,020
at $313.40
$313.40$1.26M
−2.5%
160K after
159,729
Sep 29, 2022Buy
Class A
Gregory E. AbelVice Chair, Director
Vice Chair, Director
Vice Chair, Director
23
at $408,005.87
$408,005.87$9.38M
+15.3%
173 after
173
  • Ajit Jain$20.0M
    Sep 28, 2026 · Sale39,700 Class B at $503.09
    Vice Chairman, Director−36.9% of holdings, Changed by trades not shown: 67.9K after
  • Michael J. O'Sullivan$250K
    Aug 12, 2026 · Buy488 Class B at $512.44
    See Remarks+73.6% of holdings, 1.15K after
  • Michael J. O'Sullivan$251K
    May 6, 2026 · Buy536 Class B at $467.44
    See Remarks+422.0% of holdings, 663 after
  • Ajit Jain—
    Sep 26, 2025 · Sale15,000 Class B
    Vice Chairman, Director−12.2% of holdings, Changed by trades not shown: 108K after
  • Ajit Jain$929K
    Aug 8, 2025 · Sale2,000 Class B at $464.73
    Vice Chairman, Director−1.6% of holdings, Changed by trades not shown: 123K after
  • Meryl B. Witmer$1.55M
    Mar 3, 2025 · Sale2 Class A at $775,883.30
    Director−13.3% of holdings, 13 after
  • Ajit Jain$10.2M
    Aug 8, 2023 · Sale28,000 Class B at $362.55
    Vice Chairman, Director−18.3% of holdings, Changed by trades not shown: 125K after
  • Ajit Jain$2.00M
    Mar 2, 2023 · Sale6,595 Class B at $303.28
    Vice Chairman, Director−4.1% of holdings, Changed by trades not shown: 153K after
  • Ajit Jain$1.26M
    Nov 29, 2022 · Sale4,020 Class B at $313.40
    Vice Chairman, Director−2.5% of holdings, 160K after
  • Gregory E. Abel$9.38M
    Sep 29, 2022 · Buy23 Class A at $408,005.87
    Vice Chair, Director+15.3% of holdings, 173 after