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W. R. Berkley Corporation

WRB No buying or selling

CIK 0000011544 #477 in the set updated 17 Sep 2026

Bought (1 mo)

$0.00

out of their own pocket, the only kind of buying there is

Sold (1 mo)

$0.00

$0.00 on a plan · $0.00 straight out of an exercise

Sold at will

$0.00

0 of 0 sales

Net

$0.00

$0.00 against sales at will

By person

15 insiders · 0 transactions

Insider

Role

Bought

Sold

Net

Holding

Worth

Change

MITSUI SUMITOMO INSURANCE CO LTD entity

10% owner

—

58,780,450

$4.26B

+20.9%

BERKLEY WILLIAM R

Executive Chairman

—

17,366,375

$1.26B

+0.7%

BERKLEY WILLIAM R JR

Chairman, President and CEO

—

4,650,314

$337.26M

+4.7%

SHIEL JAMES G

EVP - Investments

—

810,633

$58.79M

−18.3%

Sgaglione Lucille T

EVP

—

241,036

$17.48M

+6.8%

Baio Richard Mark

EVP & CFO

—

227,611

$16.51M

+14.5%

Welt Philip S

EVP & Secretary

—

214,033

$15.52M

+15.6%

BLAYLOCK RONALD E

Director

—

121,990

$8.85M

+5.1%

Augostini Christopher L

Director

—

109,859

$7.97M

+5.6%

Ferre Maria Luisa

Director

—

59,234

$4.30M

+11.0%

Talisman Jonathan

Director

—

33,180

$2.41M

+21.5%

Farrell Mary C

Director

—

19,378

$1.41M

+43.4%

Mosley Daniel Lynn

Director

—

14,885

$1.08M

+65.0%

Mattson Marie Angela

Director

—

9,667

$701.09K

+154.3%

Rusbuldt Robert Alan

Director

—

5,866

$425.42K

—

No percentages here. These insiders hold more than one class of share between them, and the share count on file covers one of them rather than all. Dividing the two would compare different things.

Individual transactions

Nothing of that kind in this period.

What was left out

Form 4 filings counted 0

Amendments (4/A) skipped 0

Filings about a different issuer 0

Unreadable filings 0

Joint filings 0

Sales on a Rule 10b5-1 plan 0

Sales straight out of an exercise 0

Sales at will 0

Transactions with no price 0

Shares from compensation/vesting 0

History held since 1 Sep 2016