Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 18 non-open-market transactions below 12 months to the week close of 2026-10-23

Price change vs the latest weekly close (updated to the current quote in your browser when available), split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Aug. 15, 2025 WRB A 16,126 · · 241,753 Direct +7.15% Acquired
Aug. 15, 2025 WRB F 717 $71.24 $51,079 241,036 Direct -0.30% Disposed 2.9% (price as of )
Aug. 15, 2024 WRB A 17,473 · · 226,403 Direct +8.36% Acquired
Aug. 15, 2024 WRB F 776 $57.75 $44,814 225,627 Direct -0.34% Disposed 27.0% (price as of )
Aug. 15, 2023 WRB A 13,084 · · 139,880 Direct +10.32% Acquired
Aug. 15, 2023 WRB F 592 $63.14 $37,379 139,288 Direct -0.42% Disposed 74.2% (price as of )
Aug. 15, 2022 WRB A 14,526 · · 127,441 Direct +12.86% Acquired
Aug. 15, 2022 WRB F 645 $65.78 $42,428 126,796 Direct -0.51% Disposed 67.2% (price as of )
Aug. 16, 2021 WRB A 7,226 · · 75,527 Direct +10.58% Acquired
Aug. 16, 2021 WRB F 251 $74.34 $18,659 75,276 Direct -0.33% Disposed 121.9% (price as of )
Aug. 5, 2021 WRB F 104 $72.22 $7,511 68,301 Direct -0.15% Disposed 128.5% (price as of )
Aug. 17, 2020 WRB A 3,804 · · 68,574 Direct +5.87% Acquired
Aug. 17, 2020 WRB F 169 $61.26 $10,353 68,405 Direct -0.25% Disposed 169.3% (price as of )
Aug. 5, 2020 WRB F 239 $62.07 $14,835 64,770 Direct -0.37% Disposed 165.8% (price as of )
Aug. 5, 2019 WRB F 353 $68.56 $24,202 65,009 Direct -0.54% Disposed 140.7% (price as of )
Aug. 6, 2018 WRB F 151 $76.06 $11,485 43,573 Direct -0.35% Disposed 225.4% (price as of )
Aug. 7, 2017 WRB F 517 $68.45 $35,389 45,761 Direct -1.12% Disposed 261.6% (price as of )
May 12, 2010 WRB A 15,000 · · 15,000 Direct · Acquired

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Initial ownership (Form 3) 2 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
May 18, 2017 WRB Common Stock 46,775 Direct
May 12, 2010 WRB Common Stock 0 Direct

Holdings reported on Form 4 10 reported holdings

08

Positions listed on each Form 4 without a transaction in that filing (Table I and II holdings), newest filing first.

DateTickerSecuritySharesExercise priceExpirationOwnership
Aug. 19, 2025 WRB Common Stock 8,748 · · Indirect
Aug. 19, 2024 WRB Common Stock 8,495 · · Indirect
Aug. 17, 2023 WRB Common Stock 5,480 · · Indirect
Aug. 17, 2022 WRB Common Stock 5,370 · · Indirect
Aug. 18, 2021 WRB Common Stock 3,462 · · Indirect
Aug. 9, 2021 WRB Common Stock 3,462 · · Indirect
Aug. 19, 2020 WRB Common Stock 3,380 · · Indirect
Aug. 7, 2020 WRB Common Stock 3,380 · · Indirect
Aug. 7, 2019 WRB Common Stock 3,282 · · Indirect
Aug. 8, 2018 WRB Common Stock 2,100 · · Indirect

Compensation (DEF 14A)

10

Matched by name from proxy statements (DEF 14A) — verify against the filing.

WRB

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2025 $742,102 $1,100,000 · · $366,050 · $101,412 $2,309,564
2024 $724,081 · · · $1,644,135 · $109,097 $2,477,313
2023 $706,420 · $550,013 · $1,556,515 · $106,249 $2,919,197

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.