Newest
PEBO ▼ sold $76K · Augenstein Mark filed 1d agoBBT ▲ bought $105K · Hollister Thomas J filed 2d agoBBT ▼ sold $20K · Eagan John Buckley filed 2d agoGS ▼ sold $60K · LESLIE ERICKA T filed 2d agoGS ▼ sold $163K · LESLIE ERICKA T filed 2d agoMSCI ▼ sold $1.5M · Gutowski Robert J. filed 2d agoGL ▼ sold $2.2M · MAJORS MICHAEL CLAY filed 2d agoPHR ▲ bought $362 · Linetsky David filed 2d agoPHR ▲ bought $320 · Linetsky David filed 2d agoRVI ▲ bought $23K · Whitney Meredith filed 2d agoLEO ▲ bought $369K · Saba Capital Management, L.P. filed 2d agoPG ▼ sold $5.7M · Jejurikar Shailesh filed 2d agoICLR ▼ sold $10K · Lyons Emer filed 2d agoICLR ▼ sold $10K · Lyons Emer filed 2d agoICLR ▼ sold $8K · Lyons Emer filed 2d agoICLR ▼ sold $15K · Lyons Emer filed 2d agoICLR ▼ sold $8K · Lyons Emer filed 2d agoPG ▼ sold $698K · Gama Paul filed 2d ago

Company / CIK 0000011544

BERKLEY W R CORP

Ticker
WRB
Size, estimated from filings
Large cap ($10B – $200B)
Insiders on file
14
Members of Congress who traded it
2
Federal contracts on record
none matched
Lobbying filings on record
none matched
SEC filings
EDGAR ↗
Latest trade on record
August 3, 2026

BERKLEY W R CORP (WRB) has 14 insiders on file who disclosed 113 transactions in the last 12 months (94 open-market buys, 4 sales, about $705.9M at reported prices), and 13 congressional trades in its stock are on record. No federal contract award that started in the last 180 days was found for a recipient with exactly this name; no lobbying filing names it as client this year.

Last updated August 5, 2026 · Sources: SEC EDGAR; USAspending; Senate LDA

BERKLEY W R CORP in charts

Who is trading this stock

Which people account for the buying and selling over the last 12 months?

BoughtSold

7 people account for the disclosed buying and selling in BERKLEY W R CORP over the last 12 months; the most active is MITSUI SUMITOMO INSURANCE CO LTD with $705M.

Insiders

NameRoleRowsBoughtSoldLast filed
Welt Philip SEVP & Secretary201August 5, 2026
Baio Richard MarkEVP & CFO201August 5, 2026
BERKLEY WILLIAM R JRChairman, President and CEO301August 5, 2026
SHIEL JAMES GEVP - Investments301August 5, 2026
BLAYLOCK RONALD EDirector100August 5, 2026
BERKLEY WILLIAM RExecutive Chairman100June 4, 2026
Ferre Maria LuisaDirector100June 4, 2026
Mattson Marie AngelaDirector100June 4, 2026
Mosley Daniel LynnDirector100June 4, 2026
Farrell Mary CDirector100June 4, 2026
Talisman JonathanDirector100June 4, 2026
Augostini Christopher LDirector100June 4, 2026
Rusbuldt Robert AlanDirector100June 4, 2026
MITSUI SUMITOMO INSURANCE CO LTDInsider94940March 3, 2026

Rows are this company's Form 4 rows for each person. "Bought" and "sold" count open-market purchases (code P) and sales only. More in insider buying and insider selling.

Members of Congress who traded WRB

From periodic transaction reports that name the company's stock. Amounts are the sums of the ranges as filed. Every row is on the WRB page.

MemberSeatTradesBoughtSoldRange as filedLatest
Gilbert Ray Cisneros, Jr.Representative (CA, District 31), Democrat10010$10K–$150KJune 5, 2026
Lisa C. McClainRepresentative (MI, District 9), Republican312$3,003–$45KOctober 31, 2025

Insider transactions

Download CSV126 rows · 45 KB · insider and congressional rows for this ticker · all downloads

FilerSecuritySideTrade dateDisclosedLagSharesPriceValueFlagsSourceShare
SHIEL JAMES GWRBSell FAugust 3, 2026August 5, 20262d650$72$47KForm 4 ↗
SHIEL JAMES GWRBOther AAugust 3, 2026August 5, 20262d14,086——Form 4 ↗
BERKLEY WILLIAM R JRWRBSell FAugust 3, 2026August 5, 20262d4,139$72$299KForm 4 ↗
BERKLEY WILLIAM R JRWRBOther AAugust 3, 2026August 5, 20262d98,593——Form 4 ↗
Baio Richard MarkWRBSell FAugust 3, 2026August 5, 20262d650$72$47KForm 4 ↗
Baio Richard MarkWRBOther AAugust 3, 2026August 5, 20262d14,086——Form 4 ↗
Welt Philip SWRBSell FAugust 3, 2026August 5, 20262d592$72$43KForm 4 ↗
Welt Philip SWRBOther AAugust 3, 2026August 5, 20262d14,086——Form 4 ↗
Rusbuldt Robert AlanWRBOther AJune 3, 2026June 4, 20261d3,090——Form 4 ↗
Augostini Christopher LWRBOther AJune 3, 2026June 4, 20261d3,090——Form 4 ↗
BLAYLOCK RONALD EWRBOther AJune 3, 2026June 4, 20261d3,090——Form 4 ↗
Talisman JonathanWRBOther AJune 3, 2026June 4, 20261d3,090——Form 4 ↗
Farrell Mary CWRBOther AJune 3, 2026June 4, 20261d3,090——Form 4 ↗
Mosley Daniel LynnWRBOther AJune 3, 2026June 4, 20261d3,090——Form 4 ↗
BERKLEY WILLIAM R JRWRBOther AJune 3, 2026June 4, 20261d3,090——Form 4 ↗
Mattson Marie AngelaWRBOther AJune 3, 2026June 4, 20261d3,090——Form 4 ↗
Ferre Maria LuisaWRBOther AJune 3, 2026June 4, 20261d3,090——Form 4 ↗
BERKLEY WILLIAM RWRBOther AJune 3, 2026June 4, 20261d3,090——Form 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PMarch 3, 2026March 3, 20260d73,185$73$5.3M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PMarch 3, 2026March 3, 20260d38,991$72$2.8M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PMarch 2, 2026March 3, 20261d100,897$73$7.4M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PMarch 2, 2026March 3, 20261d45,103$72$3.3M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 27, 2026February 27, 20260d147,000$72$10.5M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 26, 2026February 27, 20261d7,509$72$542K10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 26, 2026February 27, 20261d145,491$72$10.4M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 25, 2026February 25, 20260d14,356$72$1.0M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 25, 2026February 25, 20260d154,512$71$11.0M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 24, 2026February 25, 20261d61,594$71$4.4M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 24, 2026February 25, 20261d103,192$71$7.3M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 23, 2026February 25, 20262d16,410$72$1.2M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 23, 2026February 25, 20262d203,590$71$14.5M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 20, 2026February 20, 20260d160,582$71$11.4M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 19, 2026February 20, 20261d44,014$71$3.1M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 19, 2026February 20, 20261d300,986$71$21.2M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 18, 2026February 18, 20260d45,250$71$3.2M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 18, 2026February 18, 20260d239,750$71$16.9M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 17, 2026February 18, 20261d281,386$71$20.0M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 13, 2026February 13, 20260d280$71$20K10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 13, 2026February 13, 20260d4,314$70$303K10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 13, 2026February 13, 20260d15,406$70$1.1M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 12, 2026February 13, 20261d2,401$73$175K10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 12, 2026February 13, 20261d17,599$72$1.3M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 11, 2026February 11, 20260d11,163$71$798K10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 11, 2026February 11, 20260d3,578$71$252K10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 11, 2026February 11, 20260d9,289$70$646K10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 10, 2026February 11, 20261d12,082$70$845K10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 10, 2026February 11, 20261d21,884$69$1.5M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 9, 2026February 11, 20262d4,048$70$285K10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 9, 2026February 11, 20262d35,952$69$2.5M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 6, 2026February 6, 20260d4,306$71$307K10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 6, 2026February 6, 20260d15,694$70$1.1M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 5, 2026February 6, 20261d13,472$71$960K10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 5, 2026February 6, 20261d6,528$71$462K10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 4, 2026February 4, 20260d22,415$70$1.6M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 4, 2026February 4, 20260d2,585$70$180K10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 3, 2026February 4, 20261d31,653$69$2.2M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 3, 2026February 4, 20261d8,347$68$565K10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 2, 2026February 4, 20262d13,159$68$900K10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PFebruary 2, 2026February 4, 20262d237,062$68$16.1M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 30, 2026January 30, 20260d195,000$68$13.3M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 29, 2026January 30, 20261d27,718$69$1.9M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 29, 2026January 30, 20261d262,282$68$17.9M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 28, 2026January 28, 20260d28,577$68$1.9M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 28, 2026January 28, 20260d280,354$68$18.9M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 27, 2026January 28, 20261d2,671$69$184K10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 27, 2026January 28, 20261d8,582$69$588K10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 27, 2026January 28, 20261d325,960$67$22.0M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 27, 2026January 28, 20261d11,987$67$802K10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 27, 2026January 28, 20261d800$66$53K10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 26, 2026January 28, 20262d76,389$68$5.2M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 26, 2026January 28, 20262d293,611$67$19.6M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 23, 2026January 23, 20260d166,919$67$11.2M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 23, 2026January 23, 20260d201,081$67$13.4M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 22, 2026January 23, 20261d330,000$67$22.3M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 21, 2026January 21, 20260d260,998$68$17.6M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 21, 2026January 21, 20260d59,002$67$4.0M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 20, 2026January 21, 20261d44,994$68$3.1M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 20, 2026January 21, 20261d265,006$68$18.0M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 16, 2026January 16, 20260d58,691$69$4.0M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 16, 2026January 16, 20260d241,309$68$16.4M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 15, 2026January 16, 20261d68,093$69$4.7M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 15, 2026January 16, 20261d166,907$69$11.5M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 14, 2026January 14, 20260d208,272$69$14.4M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 14, 2026January 14, 20260d21,728$69$1.5M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 13, 2026January 14, 20261d206,499$68$14.1M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 13, 2026January 14, 20261d118,501$68$8.0M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 12, 2026January 14, 20262d256,041$69$17.6M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 9, 2026January 9, 20260d8,150$70$571K10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 9, 2026January 9, 20260d105,674$70$7.4M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 9, 2026January 9, 20260d161,176$68$11.0M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 8, 2026January 9, 20261d151,511$70$10.7M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 8, 2026January 9, 20261d39,302$70$2.7M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 8, 2026January 9, 20261d4,187$69$288K10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 7, 2026January 7, 20260d10,378$69$718K10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 7, 2026January 7, 20260d254,622$68$17.4M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 6, 2026January 7, 20261d92,357$70$6.5M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 6, 2026January 7, 20261d122,931$70$8.6M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 5, 2026January 7, 20262d153,686$71$10.9M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 5, 2026January 7, 20262d35,894$70$2.5M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 5, 2026January 7, 20262d11,350$69$785K10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PJanuary 2, 2026January 2, 20260d237,734$69$16.5M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PDecember 31, 2025January 2, 20262d230,000$70$16.2M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PDecember 30, 2025January 2, 20263d205,000$71$14.5M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PDecember 29, 2025December 29, 20250d205,000$71$14.5M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PDecember 26, 2025December 29, 20253d220,000$71$15.5M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PDecember 24, 2025December 29, 20255d220,000$71$15.5Mlate10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PDecember 23, 2025December 29, 20256d2,027$71$144Klate10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PDecember 23, 2025December 29, 20256d232,546$70$16.4Mlate10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PDecember 22, 2025December 22, 20250d162,060$70$11.4M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PDecember 22, 2025December 22, 20250d39,940$70$2.8M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PDecember 19, 2025December 22, 20253d204,000$70$14.2M10b5-1 planForm 4 ↗
MITSUI SUMITOMO INSURANCE CO LTDWRBBuy PDecember 18, 2025December 22, 20254d204,350$69$14.2M10b5-1 planForm 4 ↗
SHIEL JAMES GWRBOther GDecember 18, 2025December 19, 20251d1,250——Form 4 ↗

Federal contracts (USAspending, awards started in the last 180 days)

No contract award starting in the last 180 days was found for a recipient named exactly "BERKLEY W R CORP". Subsidiaries and differently-spelled recipients are not matched — search contracts.

Lobbying (Senate LDA, as client)

No LDA filing posted since October 2025 names "BERKLEY W R CORP" as the client. Filings under a subsidiary or trade-association name are not matched — search lobbying.

Companies whose stock was traded by the same people who traded WRB, by number of filers in common. It shows overlap in public filings and nothing else.

Guides for this page

Sources and method

Official sources behind this page
SourceFilingsRowsFirst filedNewest filedRead the originals
House Clerk, periodic transaction reports513November 21, 2025July 2, 2026House Clerk search
SEC EDGAR, Form 435113December 19, 2025August 5, 2026Form 4 list on EDGAR

Site built October 27, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.

Insiders and their transactions come from SEC EDGAR Form 4 filings for this issuer. Contracts and lobbying are matched by exact normalized name (suffixes like Inc./Corp. ignored) to USAspending recipients and LDA clients — a conservative match that misses subsidiaries on purpose. See methodology and corrections.

Not investment advice. Public records shown as filed; no recommendation is made or implied.