BERKLEY WILLIAM R JR

Director · Officer · Ten-percent owner · WRB

As of 2026-09-17, BERKLEY WILLIAM R JR has 6 Form 4 transactions on record across 1 company — 3 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $326.0MIndirect: $0$326.0Mas of 2026-09-17
  • Direct $326.0M
  • Indirect $0
WRBdirect4,650,314 sh$326.0M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

WRB · 6 trades
2026-08-03: Withheld for tax, 4,139 sh ($299K)2026-08-03: Award / grant, 98,593 sh ($0)2026-06-03: Award / grant, 3,090 sh ($0)2025-08-15: Withheld for tax, 4,696 sh ($335K)2025-08-15: Award / grant, 111,869 sh ($0)2025-06-11: Award / grant, 2,776 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
6 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-03WRBWithheld for tax4,1394,650,314Form 4
2026-08-03WRBAward / grant98,5934,654,453Form 4
2026-06-03WRBAward / grant3,0904,555,860Form 4
2025-08-15WRBWithheld for tax4,6964,552,770Form 4
2025-08-15WRBAward / grant111,8694,557,466Form 4
2025-06-11WRBAward / grant2,7764,445,597Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.