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Reporting owner

BUFFETT WARREN E

Reporting owner CIK 0000315090 · 10% owner

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These transactions appear in filings associated with this reporting owner. Jointly reported quantities and amounts are unallocated; they are not this owner's individual purchases or total holdings. Names and roles reflect the relevant filing, and a reporting owner may be a person or an organization.

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Transaction timeline

Who reported an acquisition, and when the transaction occurred.

Reported acquisitions by transaction dateEach row is a reporting owner. Select a marker to open its transaction details. Jointly reported transactions appear for each associated reporting owner, without dividing quantities or amounts.BUFFETT WARREN EBUFFETT WARREN EBERKSHIRE HATHAWAY INCBERKSHIRE HATHAWAY INCBUFFETT WARREN E · October 2, 2026 · Purchase · Class B Common StockBERKSHIRE HATHAWAY INC · October 2, 2026 · Purchase · Class B Common StockBUFFETT WARREN E · October 2, 2026 · Purchase · Class B Common StockBERKSHIRE HATHAWAY INC · October 2, 2026 · Purchase · Class B Common StockBUFFETT WARREN E · October 2, 2026 · Purchase · Class B Common StockBERKSHIRE HATHAWAY INC · October 2, 2026 · Purchase · Class B Common StockBUFFETT WARREN E · October 2, 2026 · Purchase · Class B Common StockBERKSHIRE HATHAWAY INC · October 2, 2026 · Purchase · Class B Common StockBUFFETT WARREN E · October 1, 2026 · Purchase · Class B Common StockBERKSHIRE HATHAWAY INC · October 1, 2026 · Purchase · Class B Common StockBUFFETT WARREN E · October 1, 2026 · Purchase · Class B Common StockBERKSHIRE HATHAWAY INC · October 1, 2026 · Purchase · Class B Common StockBUFFETT WARREN E · October 1, 2026 · Purchase · Class B Common StockBERKSHIRE HATHAWAY INC · October 1, 2026 · Purchase · Class B Common StockBUFFETT WARREN E · October 2, 2026 · Purchase · Class A Common StockBERKSHIRE HATHAWAY INC · October 2, 2026 · Purchase · Class A Common StockBUFFETT WARREN E · October 2, 2026 · Purchase · Class A Common StockBERKSHIRE HATHAWAY INC · October 2, 2026 · Purchase · Class A Common StockBUFFETT WARREN E · October 2, 2026 · Purchase · Class A Common StockBERKSHIRE HATHAWAY INC · October 2, 2026 · Purchase · Class A Common StockBUFFETT WARREN E · October 2, 2026 · Purchase · Class A Common StockBERKSHIRE HATHAWAY INC · October 2, 2026 · Purchase · Class A Common StockBUFFETT WARREN E · October 2, 2026 · Purchase · Class A Common StockBERKSHIRE HATHAWAY INC · October 2, 2026 · Purchase · Class A Common StockBUFFETT WARREN E · October 1, 2026 · Purchase · Class A Common StockBERKSHIRE HATHAWAY INC · October 1, 2026 · Purchase · Class A Common StockBUFFETT WARREN E · October 1, 2026 · Purchase · Class A Common StockBERKSHIRE HATHAWAY INC · October 1, 2026 · Purchase · Class A Common StockBUFFETT WARREN E · October 1, 2026 · Purchase · Class A Common StockBERKSHIRE HATHAWAY INC · October 1, 2026 · Purchase · Class A Common StockBUFFETT WARREN E · November 10, 2025 · Conversion · Class B Common StockNov 10, 2025Oct 2, 2026
PurchaseStock awardGift receivedExercise / conversionConversionOther acquisition

16 dated transactions · 2 of 2 reporting owners shown. Select one owner to focus the chart.

View timeline as a table
Transaction dateCompany / securityReporting ownersAcquisition type
Oct 2, 2026LENNAR CORP /NEW/Class B Common StockBUFFETT WARREN E · BERKSHIRE HATHAWAY INCPurchase
Oct 2, 2026LENNAR CORP /NEW/Class B Common StockBUFFETT WARREN E · BERKSHIRE HATHAWAY INCPurchase
Oct 2, 2026LENNAR CORP /NEW/Class B Common StockBUFFETT WARREN E · BERKSHIRE HATHAWAY INCPurchase
Oct 2, 2026LENNAR CORP /NEW/Class B Common StockBUFFETT WARREN E · BERKSHIRE HATHAWAY INCPurchase
Oct 1, 2026LENNAR CORP /NEW/Class B Common StockBUFFETT WARREN E · BERKSHIRE HATHAWAY INCPurchase
Oct 1, 2026LENNAR CORP /NEW/Class B Common StockBUFFETT WARREN E · BERKSHIRE HATHAWAY INCPurchase
Oct 1, 2026LENNAR CORP /NEW/Class B Common StockBUFFETT WARREN E · BERKSHIRE HATHAWAY INCPurchase
Oct 2, 2026LENNAR CORP /NEW/Class A Common StockBUFFETT WARREN E · BERKSHIRE HATHAWAY INCPurchase
Oct 2, 2026LENNAR CORP /NEW/Class A Common StockBUFFETT WARREN E · BERKSHIRE HATHAWAY INCPurchase
Oct 2, 2026LENNAR CORP /NEW/Class A Common StockBUFFETT WARREN E · BERKSHIRE HATHAWAY INCPurchase
Oct 2, 2026LENNAR CORP /NEW/Class A Common StockBUFFETT WARREN E · BERKSHIRE HATHAWAY INCPurchase
Oct 2, 2026LENNAR CORP /NEW/Class A Common StockBUFFETT WARREN E · BERKSHIRE HATHAWAY INCPurchase
Oct 1, 2026LENNAR CORP /NEW/Class A Common StockBUFFETT WARREN E · BERKSHIRE HATHAWAY INCPurchase
Oct 1, 2026LENNAR CORP /NEW/Class A Common StockBUFFETT WARREN E · BERKSHIRE HATHAWAY INCPurchase
Oct 1, 2026LENNAR CORP /NEW/Class A Common StockBUFFETT WARREN E · BERKSHIRE HATHAWAY INCPurchase
Nov 10, 2025BERKSHIRE HATHAWAY INCClass B Common StockBUFFETT WARREN EConversion

Only transactions on this page are shown. Date windows end on the latest transaction date in this sample. Joint filings may appear on more than one row. Sales are not included. Share-price charts use a separate data source.

Transactions in associated filings

Reported insider acquisitions, ordered by filing date, newest first. Currency is shown only when reported.
Filed / transactedCompanyReporting ownersType / securityQuantityPrice / reference valueDetails
Trade: LENNAR CORP /NEW/LEN · LEN-B · company listings
BERKSHIRE HATHAWAY INC10% owner
Joint filing · amounts unallocated		PurchaseClass B Common StockNon-derivative security · Code P29979.74 *Value: 23,842.26Currency not specifiedView ↗
Trade: LENNAR CORP /NEW/LEN · LEN-B · company listings
BERKSHIRE HATHAWAY INC10% owner
Joint filing · amounts unallocated		PurchaseClass B Common StockNon-derivative security · Code P5,13578.77 *Value: 404,483.95Currency not specifiedView ↗
Trade: LENNAR CORP /NEW/LEN · LEN-B · company listings
BERKSHIRE HATHAWAY INC10% owner
Joint filing · amounts unallocated		PurchaseClass B Common StockNon-derivative security · Code P2,45277.93 *Value: 191,084.36Currency not specifiedView ↗
Trade: LENNAR CORP /NEW/LEN · LEN-B · company listings
BERKSHIRE HATHAWAY INC10% owner
Joint filing · amounts unallocated		PurchaseClass B Common StockNon-derivative security · Code P2,29077.12 *Value: 176,604.8Currency not specifiedView ↗
Trade: LENNAR CORP /NEW/LEN · LEN-B · company listings
BERKSHIRE HATHAWAY INC10% owner
Joint filing · amounts unallocated		PurchaseClass B Common StockNon-derivative security · Code P10080 *Value: 8,000Currency not specifiedView ↗
Trade: LENNAR CORP /NEW/LEN · LEN-B · company listings
BERKSHIRE HATHAWAY INC10% owner
Joint filing · amounts unallocated		PurchaseClass B Common StockNon-derivative security · Code P95079.51 *Value: 75,534.5Currency not specifiedView ↗
Trade: LENNAR CORP /NEW/LEN · LEN-B · company listings
BERKSHIRE HATHAWAY INC10% owner
Joint filing · amounts unallocated		PurchaseClass B Common StockNon-derivative security · Code P3,80278.26 *Value: 297,544.52Currency not specifiedView ↗
Trade: LENNAR CORP /NEW/LEN · LEN-B · company listings
BERKSHIRE HATHAWAY INC10% owner
Joint filing · amounts unallocated		PurchaseClass A Common StockNon-derivative security · Code P20,20081.9 *Value: 1,654,380Currency not specifiedView ↗
Trade: LENNAR CORP /NEW/LEN · LEN-B · company listings
BERKSHIRE HATHAWAY INC10% owner
Joint filing · amounts unallocated		PurchaseClass A Common StockNon-derivative security · Code P44,30081.14 *Value: 3,594,502Currency not specifiedView ↗
Trade: LENNAR CORP /NEW/LEN · LEN-B · company listings
BERKSHIRE HATHAWAY INC10% owner
Joint filing · amounts unallocated		PurchaseClass A Common StockNon-derivative security · Code P842,75380.04 *Value: 67,453,950.12Currency not specifiedView ↗
Trade: LENNAR CORP /NEW/LEN · LEN-B · company listings
BERKSHIRE HATHAWAY INC10% owner
Joint filing · amounts unallocated		PurchaseClass A Common StockNon-derivative security · Code P342,55379.03 *Value: 27,071,963.59Currency not specifiedView ↗
Trade: LENNAR CORP /NEW/LEN · LEN-B · company listings
BERKSHIRE HATHAWAY INC10% owner
Joint filing · amounts unallocated		PurchaseClass A Common StockNon-derivative security · Code P448,11378.37 *Value: 35,118,615.81Currency not specifiedView ↗
Trade: LENNAR CORP /NEW/LEN · LEN-B · company listings
BERKSHIRE HATHAWAY INC10% owner
Joint filing · amounts unallocated		PurchaseClass A Common StockNon-derivative security · Code P186,99181.46 *Value: 15,232,286.86Currency not specifiedView ↗
Trade: LENNAR CORP /NEW/LEN · LEN-B · company listings
BERKSHIRE HATHAWAY INC10% owner
Joint filing · amounts unallocated		PurchaseClass A Common StockNon-derivative security · Code P92,83080.57 *Value: 7,479,313.1Currency not specifiedView ↗
Trade: LENNAR CORP /NEW/LEN · LEN-B · company listings
BERKSHIRE HATHAWAY INC10% owner
Joint filing · amounts unallocated		PurchaseClass A Common StockNon-derivative security · Code P425,86979.49 *Value: 33,852,326.81Currency not specifiedView ↗
Trade: BERKSHIRE HATHAWAY INCBRK-A · BRK-B · company listings
BUFFETT WARREN EChairman and CEO · Director · 10% owner
ConversionClass B Common StockNon-derivative security · Code C2,700,0000Value: 0Currency not specifiedView ↗