Superinvestors Portfolio Activity

Monitor real-time insider transactions reported through SEC Form 4 filings. Track purchases, sales, and option exercises by corporate executives, directors, and major shareholders.

Tracking insider transactions reported through SEC Form 4. These filings reflect changes in insider ownership and must be reported within two business days.

Recent Filings  192
SEC Filing Type  Form 4
Filing Updates  Real-time

Recent Transactions by Sector

Recent Transactions

Trade DateFiling DateInvestorTypeSymbolQuantity
Aug 04, 2025Aug 04, 2025Berkshire HathawayBuySIRI1,037,199
Aug 04, 2025Aug 04, 2025Berkshire HathawayBuySIRI1,037,199
Aug 01, 2025Aug 04, 2025Berkshire HathawayBuySIRI1,930,000
Aug 01, 2025Aug 04, 2025Berkshire HathawayBuySIRI1,930,000
Jul 31, 2025Aug 04, 2025Berkshire HathawayBuySIRI1,977,837
Jul 31, 2025Aug 04, 2025Berkshire HathawayBuySIRI1,977,837
Jul 31, 2025Aug 04, 2025Berkshire HathawaySellDVA1,635,962
Jul 31, 2025Aug 04, 2025Berkshire HathawayBuySIRI85,389
Jul 31, 2025Aug 04, 2025Berkshire HathawayBuySIRI85,389
Jul 30, 2025Aug 01, 2025Abrams Capital ManagementBuyABG46,952
Jul 30, 2025Aug 01, 2025Berkshire HathawaySellVRSN4,300,000
Jun 27, 2025Jul 01, 2025Viking Global InvestorsSellBBIO3,500,000
Jun 25, 2025Jun 26, 2025Icahn Capital ManagementBuyIEP22,033,036
May 27, 2025May 27, 2025Berkshire HathawaySellDVA11,978
May 27, 2025May 27, 2025Berkshire HathawaySellDVA71,966
May 27, 2025May 27, 2025Berkshire HathawaySellDVA19,330
May 26, 2025May 27, 2025ValueAct HoldingsSellNSIT600,000
May 23, 2025May 27, 2025Berkshire HathawaySellDVA800
May 23, 2025May 27, 2025Berkshire HathawaySellDVA36,094
May 23, 2025May 27, 2025Berkshire HathawaySellDVA27,172
May 22, 2025May 27, 2025Berkshire HathawaySellDVA1,256
May 22, 2025May 27, 2025Berkshire HathawaySellDVA31,404
May 16, 2025May 20, 2025Abrams Capital ManagementSellLOAR703,691
May 15, 2025May 19, 2025Abrams Capital ManagementSellLOAR4,673,986
May 08, 2025May 12, 2025Berkshire HathawaySellDVA1,145,938
May 08, 2025May 12, 2025ValueAct HoldingsSellNSIT600,000
May 06, 2025May 08, 2025Turtle Creek Asset ManagementBuyJELD7,840
May 06, 2025May 08, 2025Turtle Creek Asset ManagementBuyJELD119,553
May 06, 2025May 08, 2025Turtle Creek Asset ManagementBuyJELD11,366
May 06, 2025May 08, 2025Turtle Creek Asset ManagementBuyJELD3,721
Page 1 of 7 • 192 total transactions
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