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Who

William R. Berkley

Executive Chairman

Company insider

Files Form 4 as: Executive Chairman, W.R. Berkley; Director, First Marblehead; Director and 10% owner, Strategic Distribution.

Every Form 4 they filed

In numbers

Trades disclosed
517
Buys
0
Sells
19
Bought
$0
Sold
$38.7M
Companies
3
Companies where not an officer
2
First trade
31 Dec 2005
Last trade
3 Jun 2026
Last filed
4 Jun 2026

Companies traded

Where they are an officer
WRB W.R. BerkleyDirector, Officer, 10% owner · Insurance · last 3 Jun 20260 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
First MarbleheadDirector · last 20 Sep 20110 buys · 19 sells
Strategic DistributionDirector, 10% owner · last 31 Dec 20050 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
3 Jun 2026filed 4 Jun 2026WRB W.R. BerkleyInsuranceSEC FORM 4 Code A—3,090 at $0.00filing
3 Jun 2026filed 4 Jun 2026WRB W.R. BerkleyInsuranceSEC FORM 4 Code A—3,090 at $0.00filing
15 Aug 2025filed 19 Aug 2025WRB W.R. BerkleyInsuranceSEC FORM 4 Code A—111,869 at $0.00filing
15 Aug 2025filed 19 Aug 2025WRB W.R. BerkleyInsuranceSEC FORM 4 Code F$305K4,277 at $71.24filing
11 Jun 2025filed 13 Jun 2025WRB W.R. BerkleyInsuranceSEC FORM 4 Code A—2,776 at $0.00filing
15 Aug 2024filed 19 Aug 2024WRB W.R. BerkleyInsuranceSEC FORM 4 Code A—120,430 at $0.00filing
15 Aug 2024filed 19 Aug 2024WRB W.R. BerkleyInsuranceSEC FORM 4 Code F$266K4,604 at $57.75filing
12 Jun 2024filed 12 Jun 2024WRB W.R. BerkleyInsuranceSEC FORM 4 Code A—2,534 at $0.00filing
15 Aug 2023filed 17 Aug 2023WRB W.R. BerkleyInsuranceSEC FORM 4 Code A—89,507 at $0.00filing
15 Aug 2023filed 17 Aug 2023WRB W.R. BerkleyInsuranceSEC FORM 4 Code F$216K3,417 at $63.14filing
14 Jun 2023filed 14 Jun 2023WRB W.R. BerkleyInsuranceSEC FORM 4 Code A—3,479 at $0.00filing
15 Aug 2022filed 17 Aug 2022WRB W.R. BerkleyInsuranceSEC FORM 4 Code A—99,374 at $0.00filing
15 Aug 2022filed 17 Aug 2022WRB W.R. BerkleyInsuranceSEC FORM 4 Code F$249K3,792 at $65.78filing
15 Jun 2022filed 15 Jun 2022WRB W.R. BerkleyInsuranceSEC FORM 4 Code A—2,995 at $0.00filing
16 Aug 2021filed 18 Aug 2021WRB W.R. BerkleyInsuranceSEC FORM 4 Code A—49,438 at $0.00filing
16 Aug 2021filed 18 Aug 2021WRB W.R. BerkleyInsuranceSEC FORM 4 Code F$140K1,887 at $74.35filing
5 Aug 2021filed 9 Aug 2021WRB W.R. BerkleyInsuranceSEC FORM 4 Code A—30,512 at $0.00filing
5 Aug 2021filed 9 Aug 2021WRB W.R. BerkleyInsuranceSEC FORM 4 Code F$84K1,164 at $72.23filing
15 Jun 2021filed 16 Jun 2021WRB W.R. BerkleyInsuranceSEC FORM 4 Code A—2,652 at $0.00filing
17 Aug 2020filed 19 Aug 2020WRB W.R. BerkleyInsuranceSEC FORM 4 Code A—26,028 at $0.00filing

The newest 500 lines are listed; the numbers count every line.

News

No headline names them, or the companies they trade most, lately.

Sectors

Not placed19

Buys in green, sells in red, by the company’s sector.

Related people

William R. Berkley Jr.Chairman, President and CEO · Chairman, President and CEO at Berkley W R, filing Form 4 there in the last year
Philip S. WeltEVP & Secretary · EVP & Secretary at Berkley W R, filing Form 4 there in the last year
Richard Mark BaioEVP & CFO · EVP & CFO at Berkley W R, filing Form 4 there in the last year
James G. ShielEVP - Investments · EVP - Investments at Berkley W R, filing Form 4 there in the last year
Christopher L. AugostiniDirector · Director at Berkley W R, filing Form 4 there in the last year