BERKLEY W R CORP insider trading
WRB$69.77+0.79 (+1.15%)
“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.”
Insider Trading vs Stock Price
Insider Trading vs Stock Price data
Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (-9.4%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Open market purchase
Open market sellNet dollar flow · Buy / Sell balance
PremiumQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Unlock quarterly net flowKey players
- WRWilliam R. Berkley24.5137%
- WRWilliam R. Berkley Jr.24.4447%
- JGJames G. Shiel0.2744%
- LTLucille T. Sgaglione0.0673%
- RMRichard Mark Baio0.0673%
- PSPhilip S. Welt0.0644%
- MCMary C. Farrell0.0434%
- RERonald E. Blaylock0.0399%
- CLChristopher L. Augostini0.0296%
- MLMaria Luisa Ferre0.016%
AI Activity Analysis
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Insider activity
Fromto
| Company | Insider / role | Action | ΔOwn | Avg price | Amount | ||
|---|---|---|---|---|---|---|---|
| WRB | Mitsui Sumitomo Insurance Co Ltd | Open market purchase$5.31M | +0.1% | $72.52 | $5.31M | Mar 3, 2026 | Mar 3, 2026 |
| WRB | Mitsui Sumitomo Insurance Co Ltd | Open market purchase$2.79M | +0.1% | $71.60 | $2.79M | Mar 3, 2026 | Mar 3, 2026 |
| WRB | Mitsui Sumitomo Insurance Co Ltd | Open market purchase$7.39M | +0.2% | $73.20 | $7.39M | Mar 2, 2026 | Mar 3, 2026 |
| WRB | Mitsui Sumitomo Insurance Co Ltd | Open market purchase$3.26M | +0.1% | $72.29 | $3.26M | Mar 2, 2026 | Mar 3, 2026 |
| WRB | Mitsui Sumitomo Insurance Co Ltd | Open market purchase$10.5M | +0.3% | $71.63 | $10.5M | Feb 27, 2026 | Feb 27, 2026 |
| WRB | Mitsui Sumitomo Insurance Co Ltd | Open market purchase$541K | 0.0% | $72.11 | $541K | Feb 26, 2026 | Feb 27, 2026 |
| WRB | Mitsui Sumitomo Insurance Co Ltd | Open market purchase$10.4M | +0.3% | $71.65 | $10.4M | Feb 26, 2026 | Feb 27, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$1.03M | 0.0% | $71.77 | $1.03M | Feb 25, 2026 | Feb 25, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$11M | +0.3% | $71.39 | $11M | Feb 25, 2026 | Feb 25, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$4.39M | +0.1% | $71.28 | $4.39M | Feb 24, 2026 | Feb 25, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$7.28M | +0.2% | $70.52 | $7.28M | Feb 24, 2026 | Feb 25, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$1.18M | 0.0% | $71.80 | $1.18M | Feb 23, 2026 | Feb 25, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$14.5M | +0.4% | $71.09 | $14.5M | Feb 23, 2026 | Feb 25, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$11.4M | +0.3% | $70.80 | $11.4M | Feb 20, 2026 | Feb 20, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$3.15M | +0.1% | $71.50 | $3.15M | Feb 19, 2026 | Feb 20, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$21.2M | +0.5% | $70.53 | $21.2M | Feb 19, 2026 | Feb 20, 2026 |
| WRB | Mitsui Sumitomo Insurance Co Ltd | Open market purchase$3.21M | +0.1% | $70.96 | $3.21M | Feb 18, 2026 | Feb 18, 2026 |
| WRB | Mitsui Sumitomo Insurance Co Ltd | Open market purchase$16.9M | +0.4% | $70.58 | $16.9M | Feb 18, 2026 | Feb 18, 2026 |
| WRB | Mitsui Sumitomo Insurance Co Ltd | Open market purchase$20M | +0.5% | $71.19 | $20M | Feb 17, 2026 | Feb 18, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$19.9K | 0.0% | $71.18 | $19.9K | Feb 13, 2026 | Feb 13, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$303K | 0.0% | $70.30 | $303K | Feb 13, 2026 | Feb 13, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$1.07M | 0.0% | $69.73 | $1.07M | Feb 13, 2026 | Feb 13, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$175K | 0.0% | $72.76 | $175K | Feb 12, 2026 | Feb 13, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$1.27M | 0.0% | $71.88 | $1.27M | Feb 12, 2026 | Feb 13, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$798K | 0.0% | $71.45 | $798K | Feb 11, 2026 | Feb 11, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$252K | 0.0% | $70.50 | $252K | Feb 11, 2026 | Feb 11, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$646K | 0.0% | $69.59 | $646K | Feb 11, 2026 | Feb 11, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$845K | 0.0% | $69.92 | $845K | Feb 10, 2026 | Feb 11, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$1.51M | 0.0% | $69.09 | $1.51M | Feb 10, 2026 | Feb 11, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$285K | 0.0% | $70.32 | $285K | Feb 9, 2026 | Feb 11, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$2.49M | +0.1% | $69.27 | $2.49M | Feb 9, 2026 | Feb 11, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$307K | 0.0% | $71.39 | $307K | Feb 6, 2026 | Feb 6, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$1.11M | 0.0% | $70.46 | $1.11M | Feb 6, 2026 | Feb 6, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$960K | 0.0% | $71.25 | $960K | Feb 5, 2026 | Feb 6, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$462K | 0.0% | $70.79 | $462K | Feb 5, 2026 | Feb 6, 2026 |
| WRB | Mitsui Sumitomo Insurance Co Ltd | Open market purchase$1.57M | 0.0% | $70.25 | $1.57M | Feb 4, 2026 | Feb 4, 2026 |
| WRB | Mitsui Sumitomo Insurance Co Ltd | Open market purchase$180K | 0.0% | $69.77 | $180K | Feb 4, 2026 | Feb 4, 2026 |
| WRB | Mitsui Sumitomo Insurance Co Ltd | Open market purchase$2.18M | +0.1% | $68.87 | $2.18M | Feb 3, 2026 | Feb 4, 2026 |
| WRB | Mitsui Sumitomo Insurance Co Ltd | Open market purchase$566K | 0.0% | $67.75 | $566K | Feb 3, 2026 | Feb 4, 2026 |
| WRB | Mitsui Sumitomo Insurance Co Ltd | Open market purchase$900K | 0.0% | $68.42 | $900K | Feb 2, 2026 | Feb 4, 2026 |
| WRB | Mitsui Sumitomo Insurance Co Ltd | Open market purchase$16.1M | +0.4% | $67.71 | $16.1M | Feb 2, 2026 | Feb 4, 2026 |
| WRB | Mitsui Sumitomo Insurance Co Ltd | Open market purchase$13.3M | +0.4% | $68.36 | $13.3M | Jan 30, 2026 | Jan 30, 2026 |
| WRB | Mitsui Sumitomo Insurance Co Ltd | Open market purchase$1.9M | +0.1% | $68.56 | $1.9M | Jan 29, 2026 | Jan 30, 2026 |
| WRB | Mitsui Sumitomo Insurance Co Ltd | Open market purchase$17.9M | +0.5% | $68.08 | $17.9M | Jan 29, 2026 | Jan 30, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$1.94M | +0.1% | $67.89 | $1.94M | Jan 28, 2026 | Jan 28, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$18.9M | +0.5% | $67.58 | $18.9M | Jan 28, 2026 | Jan 28, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$184K | 0.0% | $69.04 | $184K | Jan 27, 2026 | Jan 28, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$588K | 0.0% | $68.56 | $588K | Jan 27, 2026 | Jan 28, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$22M | +0.6% | $67.40 | $22M | Jan 27, 2026 | Jan 28, 2026 |
| WRB | MS&AD Insurance Group Holdings, Inc. | Open market purchase$802K | 0.0% | $66.87 | $802K | Jan 27, 2026 | Jan 28, 2026 |