BERKLEY W R CORP (WRB) is a publicly traded company in the Unknown sector. Across all available filings, 38 corporate insiders have executed 477 transactions totaling $174.5M, demonstrating a bullish sentiment with $134.8M in net insider flow. The most recent transaction on Jan 2, 2026 involved a purchase of 237,734 shares valued at $16.5M.
No significant insider buying has been recorded for WRB in the recent period.
No significant insider selling has been recorded for WRB in the recent period.
Based on recent SEC filings, insider sentiment for WRB is bullish with an Insider Alignment Score of 89/100 and a net flow of $134.8M. Insiders are accumulating shares, which historically signals confidence in the company's future performance.
Insider trading at BERKLEY W R CORP (WRB) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 38 insiders are actively trading WRB stock, having executed 477 transactions in the past 90 days. The most active insider is Sumitomo Insurance Co Ltd Mitsui (Executive), who has made 8 transactions totaling $109.2M.
Get notified when executives and directors at WRB file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Jan 2, 2026 | Insurance Co Ltd Mitsui Sumitomo | Executive | Purchase | 237,734 | $69.35 | $16.5M | Large |
| Dec 31, 2025 | Insurance Co Ltd Mitsui Sumitomo | Executive | Purchase | 230,000 | $70.27 | $16.2M | Large |
| Dec 30, 2025 | Insurance Co Ltd Mitsui Sumitomo | Executive | Purchase | 205,000 | $70.83 | $14.5M | Large |
| Dec 29, 2025 | Insurance Co Ltd Mitsui Sumitomo | Executive | Purchase | 205,000 | $70.77 | $14.5M | Large |
| Dec 26, 2025 | Insurance Co Ltd Mitsui Sumitomo | Executive | Purchase | 220,000 | $70.56 | $15.5M | Large |
| Dec 24, 2025 | Insurance Co Ltd Mitsui Sumitomo | Executive | Purchase | 220,000 | $70.51 | $15.5M | Large |
| Dec 23, 2025 | Insurance Co Ltd Mitsui Sumitomo | Executive | Purchase | 2,027 | $71.15 | $144.2K | |
| Dec 23, 2025 | Insurance Co Ltd Mitsui Sumitomo | Executive | Purchase | 232,546 | $70.31 | $16.4M | Large |
| Dec 22, 2025 | Group Holdings, Inc. Ms&ad Insurance | Executive | Purchase | 162,060 | $70.33 | $11.4M | Large |
| Dec 22, 2025 | Group Holdings, Inc. Ms&ad Insurance | Executive | Purchase | 39,940 | $69.97 | $2.8M | Large |
| Dec 19, 2025 | Group Holdings, Inc. Ms&ad Insurance | Executive | Purchase | 204,000 | $69.50 | $14.2M | Large |
| Dec 18, 2025 | G. Shiel James | Executive | Gift | 1,250 | $N/A | $0 | |
| Dec 18, 2025 | Group Holdings, Inc. Ms&ad Insurance | Executive | Purchase | 204,350 | $69.38 | $14.2M | Large |
| Aug 15, 2025 | R. Berkley William | Executive | Award | 111,869 | $N/A | $0 | |
| Aug 15, 2025 | R. Berkley William | Executive | Payment | 4,277 | $71.24 | $304.7K |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Purchase(P) | 20 | $154.7M | 53.0% |
Payment(F) | 99 | $75.0M | 25.7% |
Exercise(M) | 38 | $38.0M | 13.0% |
Sale(S) | 31 | $19.9M | 6.8% |
Disposition(D) | 5 | $4.2M | 1.4% |
Discretionary(I) | 1 | $102.4K | 0.0% |
Award(A) | 258 | $99.8K | 0.0% |
Small Acquisition(L) | 7 | $12.2K | 0.0% |
Gift(G) | 17 | $0 | 0.0% |
Will Acquisition(W) | 1 | $0 | 0.0% |
Insiders at BERKLEY W R CORP are accumulating shares at an accelerated pace. With 38 insiders making 477 transactions totaling $154.7M in purchases versus $19.9M in sales, the net buying activity of $134.8M signals strong executive confidence. Sumitomo Insurance Co Ltd Mitsui (Executive) leads the buying activity with $109.2M in transactions across all time.