Company_Context
Financial Services
Fire, Marine & Casualty Insurance
Source: SEC SIC
MARKET_TICKER: MKL
MARKEL CORPInsider Trading & SEC Form 4 Analysis
Institutional analysis of internal capital flows based on SEC Form 4 filings.
Open-Market Signal
BEARISH
SOURCE: EDGAR_SYSTEMSTATUS: VERIFIED
Signal_Window
Headline metrics use exact calendar-day windows.
27 directional transactions in 365D
Code P purchases and code S sales are measured from 2025.08.17 — 2026.08.16.
Net_Flow_365D
-$3.5M
Open-market buys minus salesLatest_Form_4
2026.07.15
Latest available filingActive_Insiders_365D
17
Reporting entities in windowTop_Buyer_365D
Leopold Diane
$268.7KTop_Seller_365D
MARKEL STEVEN A
$3.2MAutomated_Intelligence_Report :: MKL
Analysis of eligible SEC Form 4 activity for MKL indicates a bearish 365-day signal. The selected window contains transactions from 17 distinct reporting insiders, with aggregate nominal activity of $7.77M.
Open-market purchases minus open-market sales produce a negative net flow of $3.46M. Open-market executions represent the majority of measured nominal activity in this window, making the directional flow more representative of voluntary trading activity.
Leopold Diane recorded the largest aggregate purchase volume, while MARKEL STEVEN A recorded the largest aggregate sale volume. Form 4 activity provides useful ownership context, but it should not be treated as a standalone prediction of future price performance.
Enriched_Research_Context
More context behind the filing
These indicators use normalized SEC roles, issuer metadata, cluster detection and post-filing market prices already calculated by the data pipeline.
Cluster_Activity
0
Clustered open-market purchase records in the recent filing sample.
No coordinated buying cluster detected
Post_Filing_Performance
Live Market Chart :: MKL
Analyze MKL with advanced technical indicators.
View on TradingView (Get $15 Off)Recent Insider Flow :: MKL
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Recent_Filing_History
Inspect the underlying SEC transactions
This table shows recent filing history and is not restricted by the selected 365D headline signal window.
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Automated_Queries :: Frequently Asked Questions
>Who is currently buying MKL stock?
During the last 365 calendar days, Leopold Diane (Director) recorded the largest aggregate open-market purchase volume. Total insider buying in the window is $0.37M.
>Are MKL insiders selling their shares?
During the last 365 calendar days, eligible open-market sales total $3.83M. MARKEL STEVEN A recorded the largest aggregate selling volume.
>What is the overall insider sentiment for MKL?
The 365-day open-market signal is BEARISH, with net flow of $3.46M across 17 reporting insiders in the selected window.
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