How many insider trades does FilingIQ track for BRK.B?

FilingIQ tracks 6 Form 4 insider transactions for BRK.B (BERKSHIRE HATHAWAY INC), covering filings from Jun 22, 2021 onwards. 2 of those were filed in the last 90 days.

Are BRK.B insiders net buyers or net sellers?

Across the full Form 4 history for BRK.B, 2 transactions (33%) were open-market purchases and 0 (0%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does BRK.B insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.

BRK.B insider trading

BERKSHIRE HATHAWAY INC — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

Last 90 days

Buys / sells

33% / 0%

Market cap

—

BRK.B insider activity at a glance

FilingIQ has scored 6 insider transactions for BRK.B since Jun 22, 2021. The most recent filing in our index is dated May 6, 2026.

Across the full history, 2 open-market purchases and 0 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on BRK.B insider trades is 60.0/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live BRK.B trades on FilingIQ Raw filings on SEC EDGAR

Politicians who have traded BRK.B

Hoyle, Valerie

U.S. Rep. , OR · 392 trades

Curtis, John

U.S. Rep. , UT · 334 trades

Meijer, Peter

U.S. Rep. , MI · 263 trades

Beyer, Donald Sternoff Honorable

U.S. Rep. , VA · 204 trades

Moran,, Jerry

U.S. Sen. , KS · 184 trades

Frequently asked

How many insider trades does FilingIQ track for BRK.B?: FilingIQ tracks 6 Form 4 insider transactions for BRK.B (BERKSHIRE HATHAWAY INC), covering filings from Jun 22, 2021 onwards. 2 of those were filed in the last 90 days.
Are BRK.B insiders net buyers or net sellers?: Across the full Form 4 history for BRK.B, 2 transactions (33%) were open-market purchases and 0 (0%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does BRK.B insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.

Methodology & sources

Every BRK.B insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.