Form4insider filings, from the source

Insider · CIK 0000918186

William R Berkley

Files at: WRB. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 3, 2026 AForm 4 →Jun 4, 5:05 pm EDTBERKLEY W R CORPWRB3,090——17,366,375—
Aug 6, 2018 AFForm 4 →Aug 8, 6:22 pm EDTBERKLEY W R CORPWRB33,375$76.06$93,3194,841,403— plan?
May 31, 2018 AForm 4 →Jun 4, 4:29 pm EDTBERKLEY W R CORPWRB2,619——4,810,482— plan?
Aug 7, 2017 FForm 4 →Aug 9, 6:05 pm EDTBERKLEY W R CORPWRB9,727$68.45$665,8374,807,863— plan?
May 16, 2017 AForm 4 →May 16, 4:17 pm EDTBERKLEY W R CORPWRB3,000——4,817,590— plan?
May 25, 2016 AForm 4 →May 26, 2:42 pm EDTBERKLEY W R CORPWRB3,000——4,814,590— plan?
Dec 30, 2015 GForm 4 →Jan 14, 2016, 5:35 pm ESTBERKLEY W R CORPWRB429,328——4,811,590— plan? late
Jun 2, 2015 AForm 4 →Jun 2, 5:42 pm EDTBERKLEY W R CORPWRB3,000——3,958,826— plan?
Mar 2, 2015 FForm 4 →Mar 4, 2:12 pm ESTBERKLEY W R CORPWRB11,663$49.96$582,6835,472,667— plan?

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.