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BRK.B insider buying

Every open-market purchase of Berkshire Hathaway Inc (BRK.B) stock by its officers, directors and major shareholders, from SEC Form 4 filings.

Bought, last 12 months$500.62K
Insiders buying (12m)1
Purchases on record2
Last purchase filedAug 13, 2026

In the last 12 months, 1 insider of Berkshire Hathaway Inc bought $500.62K of BRK.B stock on the open market in 2 reported purchases. The most recent was filed on Aug 13, 2026: O'Sullivan Michael J. (See Remarks) bought 488 shares at $512.44, worth $250.07K. The largest purchase on record here is $250.55K by O'Sullivan Michael J. on May 6, 2026.

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All BRK.B insider purchases

FiledInsiderValueSharesPriceStakeTrade
Aug 13O'Sullivan Michael J.See Remarks$250.07K488$512.44+79%Aug 12SEC
May 6O'Sullivan Michael J.See Remarks$250.55K536$467.44+422%May 6SEC