WRB insider buying
1 cluster buyBERKLEY W R CORP · Financials
When two or more insiders at BERKLEY W R CORP buy WRB on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in WRB plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.
Detected clusters
- Dec 18, 2025 – Mar 3, 2026Detected Mar 3, 20262 insidersTotal bought$705.4MMarket cap$27.6B
All notable open-market buys in WRB
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Mar 3, 2026 | 10% Owner | 73,185 | $72.52 | $5.3M | SEC ↗ |
| Mar 3, 2026 | 10% Owner | 38,991 | $71.60 | $2.8M | SEC ↗ |
| Mar 2, 2026 | 10% Owner | 100,897 | $73.20 | $7.4M | SEC ↗ |
| Mar 2, 2026 | 10% Owner | 45,103 | $72.29 | $3.3M | SEC ↗ |
| Feb 27, 2026 | 10% Owner | 147,000 | $71.63 | $10.5M | SEC ↗ |
| Feb 26, 2026 | 10% Owner | 145,491 | $71.65 | $10.4M | SEC ↗ |
| Feb 26, 2026 | 10% Owner | 7,509 | $72.11 | $541.5K | SEC ↗ |
| Feb 25, 2026 | 10% Owner | 154,512 | $71.39 | $11.0M | SEC ↗ |
| Feb 25, 2026 | 10% Owner | 14,356 | $71.77 | $1.0M | SEC ↗ |
| Feb 24, 2026 | 10% Owner | 103,192 | $70.52 | $7.3M | SEC ↗ |
| Feb 24, 2026 | 10% Owner | 61,594 | $71.28 | $4.4M | SEC ↗ |
| Feb 23, 2026 | 10% Owner | 203,590 | $71.09 | $14.5M | SEC ↗ |
| Feb 23, 2026 | 10% Owner | 16,410 | $71.80 | $1.2M | SEC ↗ |
| Feb 20, 2026 | 10% Owner | 160,582 | $70.80 | $11.4M | SEC ↗ |
| Feb 19, 2026 | 10% Owner | 300,986 | $70.53 | $21.2M | SEC ↗ |
| Feb 19, 2026 | 10% Owner | 44,014 | $71.50 | $3.1M | SEC ↗ |
| Feb 18, 2026 | 10% Owner | 239,750 | $70.58 | $16.9M | SEC ↗ |
| Feb 18, 2026 | 10% Owner | 45,250 | $70.96 | $3.2M | SEC ↗ |
| Feb 17, 2026 | 10% Owner | 281,386 | $71.19 | $20.0M | SEC ↗ |
| Feb 13, 2026 | 10% Owner | 15,406 | $69.73 | $1.1M | SEC ↗ |
| Feb 13, 2026 | 10% Owner | 4,314 | $70.30 | $303.3K | SEC ↗ |
| Feb 12, 2026 | 10% Owner | 17,599 | $71.88 | $1.3M | SEC ↗ |
| Feb 12, 2026 | 10% Owner | 2,401 | $72.76 | $174.7K | SEC ↗ |
| Feb 11, 2026 | 10% Owner | 11,163 | $71.45 | $797.6K | SEC ↗ |
| Feb 11, 2026 | 10% Owner | 9,289 | $69.59 | $646.4K | SEC ↗ |
More Financials stocks with insider cluster buys
WRB insider buying — FAQ
- Are insiders buying WRB stock?
- Yes — 2 distinct insiders have bought WRB (BERKLEY W R CORP) on the open market, including 1 cluster buy where two or more insiders bought within a rolling window. The most recent qualifying activity was Mar 3, 2026.
- How much WRB stock have insiders bought?
- Insiders have bought a combined $705.4M of WRB across 92 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in WRB?
- A cluster buy is two or more distinct BERKLEY W R CORP insiders — officers, directors, or 10% owners — each buying WRB on the open market within a rolling window. WRB has 1 detected cluster buy to date.
- Where does this WRB insider trading data come from?
- Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.
How we track insider buying in WRB
We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy WRB within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding WRB.