How many insider trades does FilingIQ track for WRB?

FilingIQ tracks 347 Form 4 insider transactions for WRB (BERKLEY W R CORP), covering filings from Mar 2, 2015 onwards. 19 of those were filed in the last 90 days.

Are WRB insiders net buyers or net sellers?

Across the full Form 4 history for WRB, 97 transactions (28%) were open-market purchases and 4 (1%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does WRB 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.

What sector is WRB in?

BERKLEY W R CORP (WRB) is classified in the Financial Services sector, specifically Insurance - Property & Casualty, with a current market capitalisation of $25.08B.

WRB insider trading

NYSE Financial Services

BERKLEY W R CORP — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

347

Last 90 days

Buys / sells

28% / 1%

Market cap

$25.08B

About BERKLEY W R CORP

W. R. Berkley Corporation, an insurance holding company, operates as a commercial line writer worldwide. The company operates through Insurance and Reinsurance & Monoline Excess segments. The Insurance segment underwrites commercial insurance business, including excess and surplus lines, admitted lines, and specialty personal lines. This segment also provides accident and health insurance and reinsurance products; insurance for commercial risks; casualty and specialty environmental products; insurance coverages for fine arts and jewelry exposures; excess liability and inland marine coverage for small to medium-sized insureds; and commercial general liability, umbrella, professional liability, directors and officers, commercial property, and surety products, as well as products for technology, and life sciences and travel industries. In addition, it offers cyber risk solutions; crime and fidelity insurance products; medical professional coverages; workers' compensation insurance products; management liability and general insurance products; personal lines insurance solutions, including home, condo/co-op, auto, fine arts and collectibles, liability, collector vehicle, and recreational marine; law enforcement, public officials and educator's legal, and employment practices liability, as well as incidental medical, property, and crime insurance products; at-risk and alternative risk insurance program management services; professional liability; energy and marine risks; and insurance products to the Lloyd's marketplace. The Reinsurance & Monoline Excess segment provides treaty and facultative reinsurance solutions; property and casualty reinsurance products; facultative reinsurance products include automatic, semi-automatic, and individual risk assumed reinsurance; and turnkey products, such as cyber, employment practices liability insurance, liquor liability insurance and violent events. The company was founded in 1967 and is headquartered in Greenwich, Connecticut.

Company website: www.berkley.com

WRB insider activity at a glance

FilingIQ has scored 347 insider transactions for WRB since Mar 2, 2015. The most recent filing in our index is dated Mar 3, 2026.

Across the full history, 97 open-market purchases and 4 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 WRB insider trades is 50.6/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live WRB trades on FilingIQ Raw filings on SEC EDGAR

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13F funds holding WRB

Mraz, Amerine & Associates, Inc.

$45.16M · 7.8% of AUM

STANSBERRY ASSET MANAGEMENT, LLC

$13.29M · 2.4% of AUM

ISTHMUS PARTNERS, LLC

$12.12M · 1.4% of AUM

Frequently asked

How many insider trades does FilingIQ track for WRB?: FilingIQ tracks 347 Form 4 insider transactions for WRB (BERKLEY W R CORP), covering filings from Mar 2, 2015 onwards. 19 of those were filed in the last 90 days.
Are WRB insiders net buyers or net sellers?: Across the full Form 4 history for WRB, 97 transactions (28%) were open-market purchases and 4 (1%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does WRB 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.
What sector is WRB in?: BERKLEY W R CORP (WRB) is classified in the Financial Services sector, specifically Insurance - Property & Casualty, with a current market capitalisation of $25.08B.

Methodology & sources

Every WRB 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.