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BRK.ABERKSHIRE HATHAWAY INC

Market cap
$1161.11B
as of 2026-10-23
Latest close
$813,595.00
as of 2026-10-23
Sector
Financial Services
as of 2026-10-24
Industry
Insurance - Diversified
as of 2026-10-24

Cluster

No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).

Form 4 historysince 2023-10-05

Dashed line = amended filing (Form 4/A)

InsiderTradedFiledTypeSharesPriceValueOwned after10b5-1 planFiling
Jain AjitVice ChairmanOct 21Oct 23G19not reportednot reported298NoForm 4
Jain AjitVice ChairmanSep 28Sep 29S39,700$503.09Sale −$19,972,67367,608NoForm 4
Jain AjitVice ChairmanSep 3Sep 4G10not reportednot reported317NoForm 4
Chang Charles CSee RemarksAug 12Aug 13P · derivative1$765,189.94Purchase +$765,1907NoForm 4
Chang Charles CSee RemarksAug 12Aug 13P · derivative1$765,184.18Purchase +$765,1848NoForm 4
O'Sullivan Michael J.See RemarksAug 12Aug 13P45$510.64Purchase +$22,979708NoForm 4
O'Sullivan Michael J.See RemarksAug 12Aug 13P400$512.52Purchase +$205,0081,108NoForm 4
O'Sullivan Michael J.See RemarksAug 12Aug 13P43$513.61Purchase +$22,0851,151NoForm 4
Buffett Warren EJul 14Jul 15C12,000,000$0.00$012,001,162NoForm 4
Buffett Warren EJul 14Jul 15G9,000,000$0.00$03,001,162NoForm 4
Buffett Warren EJul 14Jul 15G1,000,000$0.00$02,001,162NoForm 4
Buffett Warren EJul 14Jul 15G1,000,000$0.00$01,001,162NoForm 4
Buffett Warren EJul 14Jul 15G1,000,000$0.00$01,162NoForm 4
Buffett Warren EJul 14Jul 15C · derivative8,000not reportednot reported188,290NoForm 4
Jain AjitVice ChairmanJul 1Jul 2G3not reportednot reported327NoForm 4
Buffett Warren EMay 22May 26G160$0.00$01,162NoForm 4
Buffett Warren EMay 18May 20C37,500$0.00$038,614NoForm 4
Buffett Warren EMay 18May 20G18,646$0.00$019,968NoForm 4
Buffett Warren EMay 18May 20G18,646$0.00$01,322NoForm 4
Buffett Warren EMay 18May 20C · derivative25not reportednot reported196,290NoForm 4
Guyman CharlotteMay 14May 18G574$0.00$02,888NoForm 4
O'Sullivan Michael J.See RemarksMay 6May 6P483$467.13Purchase +$225,624610NoForm 4
O'Sullivan Michael J.See RemarksMay 6May 6P53$470.22Purchase +$24,922663NoForm 4
Jain AjitVice ChairmanMar 27Mar 27G22not reportednot reported330NoForm 4
Buffett Warren EChairman and CEOMar 17Mar 19G · derivative2not reportednot reported196,315NoForm 4
Abel Gregory E.See RemarksMar 4Mar 5P · derivative1$725,210.19Purchase +$725,210229NoForm 4
Abel Gregory E.See RemarksMar 4Mar 5P · derivative1$725,995.00Purchase +$725,995230NoForm 4
Abel Gregory E.See RemarksMar 4Mar 5P · derivative1$725,999.99Purchase +$726,000231NoForm 4
Abel Gregory E.See RemarksMar 4Mar 5P · derivative1$726,079.01Purchase +$726,079232NoForm 4
Abel Gregory E.See RemarksMar 4Mar 5P · derivative1$726,407.57Purchase +$726,408233NoForm 4
Abel Gregory E.See RemarksMar 4Mar 5P · derivative1$726,994.76Purchase +$726,995234NoForm 4
Abel Gregory E.See RemarksMar 4Mar 5P · derivative2$727,185.00Purchase +$1,454,370236NoForm 4
Abel Gregory E.See RemarksMar 4Mar 5P · derivative1$727,453.25Purchase +$727,453237NoForm 4
Abel Gregory E.See RemarksMar 4Mar 5P · derivative2$727,530.26Purchase +$1,455,061239NoForm 4
Abel Gregory E.See RemarksMar 4Mar 5P · derivative1$729,000.00Purchase +$729,000240NoForm 4
Abel Gregory E.See RemarksMar 4Mar 5P · derivative1$730,145.00Purchase +$730,145241NoForm 4
Abel Gregory E.See RemarksMar 4Mar 5P · derivative1$730,700.00Purchase +$730,700242NoForm 4
Abel Gregory E.See RemarksMar 4Mar 5P · derivative1$730,707.01Purchase +$730,707243NoForm 4
Abel Gregory E.See RemarksMar 4Mar 5P · derivative1$731,349.99Purchase +$731,350244NoForm 4
Abel Gregory E.See RemarksMar 4Mar 5P · derivative2$732,000.00Purchase +$1,464,000246NoForm 4
Abel Gregory E.See RemarksMar 4Mar 5P · derivative1$732,500.00Purchase +$732,500247NoForm 4
Abel Gregory E.See RemarksMar 4Mar 5P · derivative1$733,100.00Purchase +$733,100248NoForm 4
Abel Gregory E.See RemarksMar 4Mar 5P · derivative1$733,300.00Purchase +$733,300249NoForm 4
Buffett Warren EChairman and CEONov 10, 2025Nov 12, 2025C2,700,000$0.00$02,701,114NoForm 4
Buffett Warren EChairman and CEONov 10, 2025Nov 12, 2025G1,500,000$0.00$01,201,114NoForm 4
Buffett Warren EChairman and CEONov 10, 2025Nov 12, 2025G400,000$0.00$0801,114NoForm 4
Buffett Warren EChairman and CEONov 10, 2025Nov 12, 2025G400,000$0.00$0401,114NoForm 4
Buffett Warren EChairman and CEONov 10, 2025Nov 12, 2025G400,000$0.00$01,114NoForm 4
Buffett Warren EChairman and CEONov 10, 2025Nov 12, 2025C · derivative1,800not reportednot reported196,317NoForm 4
Guyman CharlotteNov 3, 2025Nov 5, 2025C1,500$0.00$03,872NoForm 4
Guyman CharlotteNov 3, 2025Nov 5, 2025G410$0.00$03,462NoForm 4
Guyman CharlotteNov 3, 2025Nov 5, 2025C · derivative1not reportednot reported54NoForm 4
Jain AjitVice ChairmanOct 22, 2025Oct 24, 2025G32not reportednot reported352NoForm 4
Jain AjitVice ChairmanSep 26, 2025Sep 26, 2025S15,000not reportedSale not reported107,308NoForm 4
Jain AjitVice ChairmanSep 24, 2025Sep 26, 2025G32not reportednot reported384NoForm 4
Jain AjitVice ChairmanAug 8, 2025Aug 8, 2025S2,000$464.73Sale −$929,460122,308NoForm 4
Buffett Warren EChairman and CEOJul 14, 2025Jul 16, 2025G30$0.00$01,114NoForm 4
Buffett Warren EChairman and CEOJun 30, 2025Jun 30, 2025G9,433,839$0.00$02,925,626NoForm 4
Buffett Warren EChairman and CEOJun 30, 2025Jun 30, 2025G943,384$0.00$01,982,242NoForm 4
Buffett Warren EChairman and CEOJun 30, 2025Jun 30, 2025G660,366$0.00$01,321,876NoForm 4
Buffett Warren EChairman and CEOJun 30, 2025Jun 30, 2025G660,366$0.00$0661,510NoForm 4
Buffett Warren EChairman and CEOJun 30, 2025Jun 30, 2025G660,366$0.00$01,144NoForm 4
Buffett Warren EChairman and CEOJun 27, 2025Jun 30, 2025C12,358,500$0.00$012,359,465NoForm 4
Buffett Warren EChairman and CEOJun 27, 2025Jun 30, 2025C · derivative8,239not reportednot reported198,117NoForm 4
Buffett Warren EChairman and CEOMay 14, 2025May 15, 2025G22$0.00$0965NoForm 4
Buffett Warren EChairman and CEOMay 13, 2025May 15, 2025C1,500$0.00$02,291NoForm 4
Buffett Warren EChairman and CEOMay 13, 2025May 15, 2025G1,304$0.00$0987NoForm 4
Buffett Warren EChairman and CEOMay 13, 2025May 15, 2025C · derivative1not reportednot reported206,356NoForm 4
Buffett Warren EChairman and CEOApr 9, 2025Apr 9, 2025G160$0.00$0791NoForm 4
Buffett Warren EChairman and CEOApr 7, 2025Apr 9, 2025G · derivative2not reportednot reported206,357NoForm 4
Jain AjitVice ChairmanApr 2, 2025Apr 4, 2025G10not reportednot reported416NoForm 4
Guyman CharlotteMar 19, 2025Mar 21, 2025G1,000$0.00$02,372NoForm 4
Jain AjitVice ChairmanMar 14, 2025Mar 14, 2025G10not reportednot reported426NoForm 4
Witmer Meryl BMar 3, 2025Mar 4, 2025S2$775,883.30Sale −$1,551,7672NoForm 4
Witmer Meryl BFeb 24, 2025Feb 25, 20254/AG1,000$0.00$01,000NoForm 4/A
Jain AjitVice ChairmanJan 16, 2025Jan 17, 2025G3not reportednot reported436NoForm 4
Guyman CharlotteDec 31, 2024Jan 3, 2025S · derivative1$678,064.00Sale −$678,06455NoForm 4
Guyman CharlotteDec 24, 2024Dec 27, 2024G247$0.00$03,372NoForm 4
Guyman CharlotteDec 9, 2024Dec 11, 2024G84$0.00$03,871NoForm 4
Guyman CharlotteDec 9, 2024Dec 11, 2024G84$0.00$03,787NoForm 4
Guyman CharlotteDec 9, 2024Dec 11, 2024G84$0.00$03,703NoForm 4
Guyman CharlotteDec 9, 2024Dec 11, 2024G84$0.00$03,619NoForm 4
Buffett Warren EChairman and CEODec 4, 2024Dec 4, 2024G6,382$0.00$0951NoForm 4
Buffett Warren EChairman and CEODec 3, 2024Dec 4, 2024C6,000$0.00$07,333NoForm 4
Buffett Warren EChairman and CEODec 3, 2024Dec 4, 2024C · derivative4not reportednot reported206,359NoForm 4
Buffett Warren EChairman and CEONov 25, 2024Nov 25, 2024C2,400,000$0.00$02,401,333NoForm 4
Buffett Warren EChairman and CEONov 25, 2024Nov 25, 2024G1,500,000$0.00$0901,333NoForm 4
Buffett Warren EChairman and CEONov 25, 2024Nov 25, 2024G300,000$0.00$0601,333NoForm 4
Buffett Warren EChairman and CEONov 25, 2024Nov 25, 2024G300,000$0.00$0301,333NoForm 4
Buffett Warren EChairman and CEONov 25, 2024Nov 25, 2024G300,000$0.00$01,333NoForm 4
Buffett Warren EChairman and CEONov 25, 2023Nov 25, 2024C · derivative1,600not reportednot reported206,363NoForm 4
Jain AjitVice ChairmanNov 20, 2024Nov 22, 2024G4not reportednot reported439NoForm 4
Guyman CharlotteNov 5, 2024Nov 7, 2024C3,000$0.00$03,955NoForm 4
Guyman CharlotteNov 5, 2024Nov 7, 2024C · derivative2$0.00$056NoForm 4
Buffett Warren EChairman and CEOSep 12, 2024Sep 13, 2024G10$0.00$01,343NoForm 4
Buffett Warren EChairman and CEOSep 12, 2024Sep 13, 2024G10$0.00$01,333NoForm 4
Jain AjitVice ChairmanSep 12, 2024Sep 13, 2024G23not reportednot reported443NoForm 4
Jain AjitVice ChairmanSep 9, 2024Sep 11, 2024S · derivative200$695,417.65Sale −$139,083,53061NoForm 4
Buffett Warren EChairman and CEOJul 2, 2024Jul 2, 2024G1,233$0.00$01,353NoForm 4
Buffett Warren EChairman and CEOJun 28, 2024Jun 28, 2024C13,011,000$0.00$013,011,344NoForm 4
Buffett Warren EChairman and CEOJun 28, 2024Jun 28, 2024G9,930,357$0.00$03,080,987NoForm 4
Buffett Warren EChairman and CEOJun 28, 2024Jun 28, 2024G993,035$0.00$02,087,952NoForm 4
Buffett Warren EChairman and CEOJun 28, 2024Jun 28, 2024G695,122$0.00$01,392,830NoForm 4
Buffett Warren EChairman and CEOJun 28, 2024Jun 28, 2024G695,122$0.00$0697,708NoForm 4
Buffett Warren EChairman and CEOJun 28, 2024Jun 28, 2024G695,122$0.00$02,586NoForm 4
Buffett Warren EChairman and CEOJun 28, 2024Jun 28, 2024C · derivative8,674not reportednot reported207,963NoForm 4
Jain AjitVice ChairmanMay 15, 2024May 17, 2024G25not reportednot reported466NoForm 4
Jain AjitVice ChairmanJan 12, 2024Jan 12, 2024G28not reportednot reported491NoForm 4
Guyman CharlotteDec 14, 2023Dec 18, 2023G105$0.00$01,118NoForm 4
Guyman CharlotteDec 14, 2023Dec 18, 2023G98$0.00$01,020NoForm 4
Guyman CharlotteDec 14, 2023Dec 18, 2023G65$0.00$0955NoForm 4
Guyman CharlotteDec 12, 2023Dec 14, 2023G148$0.00$01,352NoForm 4
Guyman CharlotteDec 12, 2023Dec 14, 2023G113$0.00$01,239NoForm 4
Guyman CharlotteDec 12, 2023Dec 14, 2023G16$0.00$01,223NoForm 4
Guyman CharlotteOct 27, 2023Dec 14, 2023C1,500$0.00$01,500NoForm 4
Guyman CharlotteOct 27, 2023Dec 14, 2023C · derivative1$503,375.00$503,37558NoForm 4
Buffett Warren EChairman and CEONov 21, 2023Nov 27, 20234/AC2,400,000$0.00$02,400,344NoForm 4/A
Buffett Warren EChairman and CEONov 21, 2023Nov 27, 20234/AG1,500,000$0.00$0900,344NoForm 4/A
Buffett Warren EChairman and CEONov 21, 2023Nov 27, 20234/AG300,000$0.00$0600,344NoForm 4/A
Buffett Warren EChairman and CEONov 21, 2023Nov 27, 20234/AG300,000$0.00$0300,344NoForm 4/A
Buffett Warren EChairman and CEONov 21, 2023Nov 27, 20234/AG300,000$0.00$0344NoForm 4/A
Buffett Warren EChairman and CEONov 21, 2023Nov 27, 20234/AC · derivative1,600not reportednot reported216,637NoForm 4/A
Jain AjitVice ChairmanNov 8, 2023Nov 13, 2023G3not reportednot reported579NoForm 4
Olson Ronald LMay 18, 2023Oct 30, 2023J1,562not reportednot reported1,235NoForm 4
Olson Ronald LMay 18, 2023Oct 30, 2023J · derivative24not reportednot reported4NoForm 4
Olson Ronald LMay 17, 2023Oct 30, 2023C1,500not reportednot reported2,797NoForm 4
Olson Ronald LMay 17, 2023Oct 30, 2023C · derivative1not reportednot reported28NoForm 4
Olson Ronald LMay 19, 2013Oct 30, 2023J781not reportednot reported454NoForm 4
Jain AjitVice ChairmanOct 23, 2023Oct 25, 2023G75not reportednot reported582NoForm 4
Munger Charles TVice ChairmanOct 5, 2023Oct 5, 2023G · derivative77not reportednot reported4,033NoForm 4