By CapitalSnitch Research Desk · updated Oct 11, 2026 · data from SEC filings and official Congress disclosures
Over the last 12 months, two Berkley W R Corp corporate insiders added shares at market prices, about $705.5 million in total, and none of them sold.
MS&AD Insurance Group Holdings, Inc. (10% Owner) made the biggest buy, worth around $22.3 million.
On the institutional side, 948 funds reported holding WRB at the end of Q2 2026, and funds were split between buying and selling. WRB also shows up in congressional disclosures: 20 reported trades from two lawmakers in two years. No open-market insider buying or selling in the last full quarter. Insiders bought in 2 of the last 7 full quarters.
Are insiders buying or selling WRB stock?
In the last 12 months Berkley W R Corp insiders made open-market purchases worth about $705.5 million and sales worth about $0. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
When was the last insider trade in WRB?
The most recent open-market insider trade in WRB was filed on 2026-03-03.
How many institutions own WRB?
948 investment managers reported holding WRB in SEC Form 13F filings for Q2 2026.
Has any member of Congress traded WRB?
Yes. Members of Congress reported 20 trades in WRB over the past two years. The full list is free on CapitalSnitch.
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Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1).
Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).