MARKET_TICKER: BRK.A

BRK.AInsider Trading & SEC Form 4 Analysis

Institutional analysis of internal capital flows based on SEC Form 4 filings.

Executive Sentiment
BEARISH
SOURCE: EDGAR_SYSTEMSTATUS: VERIFIED

Automated_Intelligence_Report :: BRK.A

Algorithmic analysis of recent insider trading activity for BRK.A reveals a bearish posture among the C-suite and board members. Based on the latest SEC Form 4 filings, we have tracked capital events executed by 4 distinct corporate insiders. The aggregate nominal exposure during this reporting cycle reached $25.92M.

Market dynamics show a negative net capital flow of $22.82M when isolating open-market purchases versus open-market sales. The trading volume is heavily weighted towards open-market executions, providing a clearer signal of insider conviction regarding current valuation levels compared to option-based equity grants.

From a microstructural perspective, the landscape is fragmented. OLSON RONALD L led the buying pressure, while Jain Ajit registered the largest single offload of shares. Continuous monitoring of these Tier-1 actors is essential, as their liquidity decisions often precede material corporate events or reflect an informed, asymmetric perspective on the future performance of BRK.A.

Volume_30D

$25.92M

USD NOMINAL VALUE
Active_Insiders

4

UNIQUE C-SUITE ENTITIES
Last_Entry

2026.05.22

ISO_8601 FORMAT
Loading chart...
Entity / TimelineMethodologyPositionNet Value
BUFFETT WARREN E2026.05.22
ACQUISITION160$0
BUFFETT WARREN E2026.05.18
ACQUISITION37,500$0
BUFFETT WARREN E2026.05.18
ACQUISITION18,646$0
BUFFETT WARREN E2026.05.18
ACQUISITION18,646$0
GUYMAN CHARLOTTE2026.05.14
ACQUISITION574$0
BUFFETT WARREN E2025.11.10
ACQUISITION2,700,000$0
BUFFETT WARREN E2025.11.10
ACQUISITION1,500,000$0
BUFFETT WARREN E2025.11.10
ACQUISITION400,000$0
GUYMAN CHARLOTTE2025.11.03
ACQUISITION1,500$0
GUYMAN CHARLOTTE2025.11.03
ACQUISITION410$0
Jain Ajit2025.08.08
DISPOSAL2,000$929,452
BUFFETT WARREN E2025.07.14
ACQUISITION30$0
BUFFETT WARREN E2025.06.30
ACQUISITION9,433,839$0
BUFFETT WARREN E2025.06.30
ACQUISITION943,384$0
BUFFETT WARREN E2025.06.30
ACQUISITION660,366$0
BUFFETT WARREN E2025.06.27
ACQUISITION12,358,500$0
BUFFETT WARREN E2025.05.14
ACQUISITION22$0
BUFFETT WARREN E2025.05.13
ACQUISITION1,500$0
BUFFETT WARREN E2025.05.13
ACQUISITION1,304$0
BUFFETT WARREN E2025.04.09
ACQUISITION160$0
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Automated_Queries :: Frequently Asked Questions

>How many corporate insiders are active in BRK.A?

Our dataset currently tracks 4 distinct insiders with reported transactions for BRK.A in the active reporting window.

>Is insider buying outweighing selling at BRK.A?

Open-market selling volume ($24.37M) currently exceeds buying volume ($1.55M), indicating net liquidation by insiders.

>Who is currently buying BRK.A stock?

Based on the latest SEC Form 4 filings, OLSON RONALD L (Director) has been actively acquiring shares. The total recent insider buying volume stands at $1.55M.

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