W. R. Berkley Corporation

WRB Net buying

CIK 0000011544 #477 in the set updated 17 Sep 2026

Bought (120 mo)

$705.83M

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

Sold (120 mo)

$8.83M

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

Sold at will

$8.83M

4 of 4 sales

Net

+$697.00M

+$697.00M against sales at will

By person

23 insiders · 101 transactions

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

MITSUI SUMITOMO INSURANCE CO LTD entity

10% owner

$705.46M (94)

—

+$705.46M

58,780,450

15.83%

$4.26B

+20.9%

BROCKBANK MARK ELLWOOD

Director

$371.78K (2)

$7.14M (2)

−$6.76M

95,191

0.0256%

$6.90M

−44.1%

SHIEL JAMES G

EVP - Investments

—

$1.69M (2)

−$1.69M

810,633

0.2184%

$58.79M

−12.3%

Talisman Jonathan

Director

$405.57 (1)

—

+$405.57

33,750

0.0091%

$2.45M

+165.1%

BERKLEY WILLIAM R

Executive Chairman

—

—

—

17,366,375

4.68%

$1.26B

+5.4%

BERKLEY WILLIAM R JR

Chairman, President and CEO

—

—

—

4,650,314

1.25%

$337.26M

+22.7%

LEDERMAN IRA S

EVP & Secretary

—

—

—

492,432

0.1326%

$35.71M

+5.4%

BALLARD EUGENE G

EVP, Finance

—

—

—

251,656

0.0678%

$18.25M

−0.3%

Sgaglione Lucille T

EVP

—

—

—

241,036

0.0649%

$17.48M

+39.1%

Baio Richard Mark

EVP & CFO

—

—

—

227,611

0.0613%

$16.51M

+60.1%

Welt Philip S

EVP & Secretary

—

—

—

214,033

0.0577%

$15.52M

+35.2%

NUSBAUM JACK H

Director

—

—

—

149,799

0.0404%

$10.86M

+8.9%

BLAYLOCK RONALD E

Director

—

—

—

133,525

0.0360%

$9.68M

+28.7%

Augostini Christopher L

Director

—

—

—

109,859

0.0296%

$7.97M

+37.2%

Ferre Maria Luisa

Director

—

—

—

59,234

0.0160%

$4.30M

+101.1%

DALY GEORGE G

Director

—

—

—

40,822

0.0110%

$2.96M

−2.4%

Farrell Mary C

Director

—

—

—

19,679

0.0053%

$1.43M

—

RICCIARDI MATTHEW M

SVP and General Counsel

—

—

—

15,561

0.0042%

$1.13M

−0.6%

Mosley Daniel Lynn

Director

—

—

—

14,885

0.0040%

$1.08M

+395.2%

Pusey Leigh Ann

Director

—

—

—

13,214

0.0036%

$958.33K

+909.5%

Mattson Marie Angela

Director

—

—

—

9,667

0.0026%

$701.09K

+663.0%

Rusbuldt Robert Alan

Director

—

—

—

5,866

0.0016%

$425.42K

—

SHAPIRO MARK L

Director

—

—

—

2,534

0.0007%

$183.78K

—

Individual transactions

0

Nothing of that kind in this period.

What was left out

Form 4 filings counted 304

Amendments (4/A) skipped 0

Filings about a different issuer 11

Unreadable filings 0

Joint filings 20

Sales on a Rule 10b5-1 plan 0

Sales straight out of an exercise 0

Sales at will 4

Transactions with no price 0

Shares from compensation/vesting 3,085,024

Sales filed before the plan box existed 4

History held since 1 Sep 2016