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Insider / BERKSHIRE HATHAWAY INC

Jain Ajit

Vice Chairman at BERKSHIRE HATHAWAY INC

Company
BERKSHIRE HATHAWAY INC
Tickers
BRK-B, BRK.A
First filing on record
October 24, 2025
Latest trade on record
October 21, 2026
SEC filings
EDGAR ↗

Jain Ajit, Vice Chairman at BERKSHIRE HATHAWAY INC, has disclosed 6 transactions in BRK-B, BRK.A since October 24, 2025: 0 purchases (0 open-market buys) and 1 sale, worth about $20.0M at the reported prices. The latest was filed October 23, 2026, 2 days after the trade.

Last updated October 23, 2026 · Source: SEC EDGAR Form 4 filings

Transactions
6
Open-market buys
0
Sales
1
Avg. disclosure lag
1.2d

Trading in charts

Trade timeline

When does this person trade, how big, and in which direction? Every trade in the last 12 months.

Bought (above the line)Sold (below the line)Other transaction
Oct 25NovDecJan 26FebMarAprMayJunJulAugSep
Oct 25NovDecJan 26FebMarAprMayJunJulAugSep

In the last 12 months Jain Ajit made no purchases and 1 sale worth $20M, plus 4 other transactions. Dot size is the dollar amount.

Portfolio mix

Which stocks does this person trade most? Tile size is dollars traded, all time on record.

Jain Ajit has traded 1 stock on record; the largest by dollars is BRK.A.

Reporting lag

Does this person report on time? One bar per filing against the Form 4 deadline.

On timeLate
Form 4 deadlineoldest filingnewest

0 of 6 filings on record were reported after the Form 4 deadline (two business days, counted here as 4 calendar days).

What kind of transactions

Most Form 4 rows are pay arriving or tax being withheld, not a decision to buy or sell. Only code P is an open-market purchase and code S an open-market sale. What each code means: Form 4 transaction codes.

Rows by Form 4 transaction code
CodeMeaningRowsSharesValue
GGift586—
SOpen-market sale139,700$20.0M
Rows by year of the trade
YearRowsBoughtSold
2026501 · $20.0M
2025100

Transactions

Download BRK-B trades (CSV)34 rows · 11 KB · every filer in this ticker, this insider included · all downloads

SecuritySideTrade dateDisclosedLagSharesPriceValueFlagsSourceShare
BRK-BOther GOctober 21, 2026October 23, 20262d19——Form 4 ↗
BRK.ASell SSeptember 28, 2026September 29, 20261d39,700$503$20.0MindirectForm 4 ↗
BRK.AOther GSeptember 3, 2026September 4, 20261d10——Form 4 ↗
BRK.AOther GJuly 1, 2026July 2, 20261d3——Form 4 ↗
BRK-BOther GMarch 27, 2026March 27, 20260d22——Form 4 ↗
BRK-BOther GOctober 22, 2025October 24, 20252d32——Form 4 ↗

Filings

FiledFormAccessionRowsStatusSource
October 23, 2026Form 40001728451-26-0000051publishedEDGAR ↗
September 29, 2026Form 40001728451-26-0000041publishedEDGAR ↗
September 4, 2026Form 40001728451-26-0000031publishedEDGAR ↗
July 2, 2026Form 40001728451-26-0000021publishedEDGAR ↗
March 27, 2026Form 40001728451-26-0000011publishedEDGAR ↗
October 24, 2025Form 40001728451-25-0000091publishedEDGAR ↗

Other insiders at BERKSHIRE HATHAWAY INC

Everyone on file, with contracts and lobbying under the company's name: BERKSHIRE HATHAWAY INC.

Guides for this page

Sources and method

Official sources behind this page
SourceFilingsRowsFirst filedNewest filedRead the originals
SEC EDGAR, Form 466October 24, 2025October 23, 2026Form 4 list on EDGAR

Site built October 27, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.

Every row comes from the reporting owner's Form 4 as filed with the SEC (EDGAR ownership XML), read daily. "Value" is shares × the reported price; code P is an open-market purchase, S a sale, M an option exercise, A a grant. The lag is the filing date minus the trade date; Form 4 is due within two business days. Amendments (4/A) are not merged. Details on the methodology page; report an error on corrections.

Not investment advice. Figures are public disclosures shown as filed; they may lag the trade and may be amended later. No recommendation is made or implied.