W. R. Berkley Corporation

WRBNYSEFinancial Services● Active

$67.19

$-1.38(-2.01%)

Market Cap$25.0B

P/E Ratio—

52W High$78.96

52W Low$62.87

Avg Volume2.2M

Open$67.80

Beta0.31

Insider Trades Ownership Employees

W. R. Berkley Corporation (WRB) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · WRB · as of Jun 8, 2026

Activity summary

Buy transactions

P-Purchase only

Sell transactions

12 Months

Buy/Sell ratio

∞

Buy/Sell (by trades)

Overall sentiment

BULLISH

↑ Buy 100%Active transactions only · RSU vesting excluded0% Sell ↓

W. R. Berkley Corporation insiders have been net buyers of shares over the past 12 Months, which may signal confidence in the company's outlook.

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

WRB insider buying and selling by quarter

WRB insider selling · WRB insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling

8.3M4.1M0

2024 Q3

2024 Q4

2025 Q1

2025 Q2

2025 Q3

2025 Q4

2026 Q1

2026 Q2

Mobile shows last 4Q · Desktop shows full 8Q

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · WRB ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

WRB executive sell shares · WRB board member insider trading · WRB insider trading SEC filing

Showing 99 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Date	Insider	Type	Shares	Price	Value	After trans.	Filing
Jun 3, 2026	BERKLEY WILLIAM R Executive Chairman · Director	Award	3,090	—	—	17,366,375	Form 4
Jun 3, 2026	Ferre Maria Luisa Director	Award	3,090	—	—	59,234	Form 4
Jun 3, 2026	Mattson Marie Angela Director	Award	3,090	—	—	9,667	Form 4
Jun 3, 2026	BERKLEY WILLIAM R JR President and CEO · Director	Award	3,090	—	—	4,555,860	Form 4
Jun 3, 2026	Mosley Daniel Lynn Director	Award	3,090	—	—	14,885	Form 4
Jun 3, 2026	Farrell Mary C Director	Award	3,090	—	—	19,378	Form 4
Jun 3, 2026	Rusbuldt Robert Alan Director	Award	3,090	—	—	5,866	Form 4
Jun 3, 2026	Augostini Christopher L Director	Award	3,090	—	—	109,859	Form 4
Jun 3, 2026	BLAYLOCK RONALD E Director	Award	3,090	—	—	121,990	Form 4
Jun 3, 2026	Talisman Jonathan Director	Award	3,090	—	—	33,180	Form 4
Mar 3, 2026	MITSUI SUMITOMO INSURANCE CO LTD 10 percent owner	Purchase	73,185	$72.52	$5.31M⚡	58,780,450	Form 4
Mar 3, 2026	MITSUI SUMITOMO INSURANCE CO LTD 10 percent owner	Purchase	38,991	$71.60	$2.79M⚡	58,707,265	Form 4
Mar 2, 2026	MITSUI SUMITOMO INSURANCE CO LTD 10 percent owner	Purchase	100,897	$73.20	$7.39M⚡	58,668,274	Form 4
Mar 2, 2026	MITSUI SUMITOMO INSURANCE CO LTD 10 percent owner	Purchase	45,103	$72.29	$3.26M⚡	58,567,377	Form 4
Feb 27, 2026	MITSUI SUMITOMO INSURANCE CO LTD 10 percent owner	Purchase	147,000	$71.63	$10.53M⚡	58,522,274	Form 4
Feb 26, 2026	MITSUI SUMITOMO INSURANCE CO LTD 10 percent owner	Purchase	7,509	$72.11	$542K	58,375,274	Form 4
Feb 26, 2026	MITSUI SUMITOMO INSURANCE CO LTD 10 percent owner	Purchase	145,491	$71.65	$10.42M⚡	58,367,765	Form 4
Feb 25, 2026	MITSUI SUMITOMO INSURANCE CO LTD 10 percent owner	Purchase	14,356	$71.77	$1.03M⚡	58,222,274	Form 4
Feb 25, 2026	MITSUI SUMITOMO INSURANCE CO LTD 10 percent owner	Purchase	154,512	$71.39	$11.03M⚡	58,207,918	Form 4
Feb 24, 2026	MITSUI SUMITOMO INSURANCE CO LTD 10 percent owner	Purchase	61,594	$71.28	$4.39M⚡	58,053,406	Form 4
Feb 24, 2026	MITSUI SUMITOMO INSURANCE CO LTD 10 percent owner	Purchase	103,192	$70.52	$7.28M⚡	57,991,812	Form 4
Feb 23, 2026	MITSUI SUMITOMO INSURANCE CO LTD 10 percent owner	Purchase	16,410	$71.80	$1.18M⚡	57,888,620	Form 4
Feb 23, 2026	MITSUI SUMITOMO INSURANCE CO LTD 10 percent owner	Purchase	203,590	$71.09	$14.47M⚡	57,872,210	Form 4
Feb 20, 2026	MITSUI SUMITOMO INSURANCE CO LTD 10 percent owner	Purchase	160,582	$70.80	$11.37M⚡	57,668,620	Form 4
Feb 19, 2026	MITSUI SUMITOMO INSURANCE CO LTD 10 percent owner	Purchase	44,014	$71.50	$3.15M⚡	57,508,038	Form 4

BERKLEY WILLIAM R

Executive Chairman · Director

Award

Date

Jun 3

3,090

Price

—

Value

—

View Form 4 on SEC.gov

Ferre Maria Luisa

Director

Award

Date

Jun 3

3,090

Price

—

Value

—

View Form 4 on SEC.gov

Mattson Marie Angela

Director

Award

Date

Jun 3

3,090

Price

—

Value

—

View Form 4 on SEC.gov

BERKLEY WILLIAM R JR

President and CEO · Director

Award

Date

Jun 3

3,090

Price

—

Value

—

View Form 4 on SEC.gov

Mosley Daniel Lynn

Director

Award

Date

Jun 3

3,090

Price

—

Value

—

View Form 4 on SEC.gov

Farrell Mary C

Director

Award

Date

Jun 3

3,090

Price

—

Value

—

View Form 4 on SEC.gov

Rusbuldt Robert Alan

Director

Award

Date

Jun 3

3,090

Price

—

Value

—

View Form 4 on SEC.gov

Augostini Christopher L

Director

Award

Date

Jun 3

3,090

Price

—

Value

—

View Form 4 on SEC.gov

BLAYLOCK RONALD E

Director

Award

Date

Jun 3

3,090

Price

—

Value

—

View Form 4 on SEC.gov

Talisman Jonathan

Director

Award

Date

Jun 3

3,090

Price

—

Value

—

View Form 4 on SEC.gov

MITSUI SUMITOMO INSURANCE CO LTD

10 percent owner

Purchase

Date

Mar 3

73,185

Price

$72.52

Value

$5.31M ⚡

View Form 4 on SEC.gov

MITSUI SUMITOMO INSURANCE CO LTD

10 percent owner

Purchase

Date

Mar 3

38,991

Price

$71.60

Value

$2.79M ⚡

View Form 4 on SEC.gov

MITSUI SUMITOMO INSURANCE CO LTD

10 percent owner

Purchase

Date

Mar 2

100,897

Price

$73.20

Value

$7.39M ⚡

View Form 4 on SEC.gov

MITSUI SUMITOMO INSURANCE CO LTD

10 percent owner

Purchase

Date

Mar 2

45,103

Price

$72.29

Value

$3.26M ⚡

View Form 4 on SEC.gov

MITSUI SUMITOMO INSURANCE CO LTD

10 percent owner

Purchase

Date

Feb 27

147,000

Price

$71.63

Value

$10.53M ⚡

View Form 4 on SEC.gov

MITSUI SUMITOMO INSURANCE CO LTD

10 percent owner

Purchase

Date

Feb 26

7,509

Price

$72.11

Value

$542K

View Form 4 on SEC.gov

MITSUI SUMITOMO INSURANCE CO LTD

10 percent owner

Purchase

Date

Feb 26

145,491

Price

$71.65

Value

$10.42M ⚡

View Form 4 on SEC.gov

MITSUI SUMITOMO INSURANCE CO LTD

10 percent owner

Purchase

Date

Feb 25

14,356

Price

$71.77

Value

$1.03M ⚡

View Form 4 on SEC.gov

MITSUI SUMITOMO INSURANCE CO LTD

10 percent owner

Purchase

Date

Feb 25

154,512

Price

$71.39

Value

$11.03M ⚡

View Form 4 on SEC.gov

MITSUI SUMITOMO INSURANCE CO LTD

10 percent owner

Purchase

Date

Feb 24

61,594

Price

$71.28

Value

$4.39M ⚡

View Form 4 on SEC.gov

MITSUI SUMITOMO INSURANCE CO LTD

10 percent owner

Purchase

Date

Feb 24

103,192

Price

$70.52

Value

$7.28M ⚡

View Form 4 on SEC.gov

MITSUI SUMITOMO INSURANCE CO LTD

10 percent owner

Purchase

Date

Feb 23

16,410

Price

$71.80

Value

$1.18M ⚡

View Form 4 on SEC.gov

MITSUI SUMITOMO INSURANCE CO LTD

10 percent owner

Purchase

Date

Feb 23

203,590

Price

$71.09

Value

$14.47M ⚡

View Form 4 on SEC.gov

MITSUI SUMITOMO INSURANCE CO LTD

10 percent owner

Purchase

Date

Feb 20

160,582

Price

$70.80

Value

$11.37M ⚡

View Form 4 on SEC.gov

MITSUI SUMITOMO INSURANCE CO LTD

10 percent owner

Purchase

Date

Feb 19

44,014

Price

$71.50

Value

$3.15M ⚡

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 4

▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About WRB insider trading

WRB insider trades

W. R. Berkley Corporation (WRB) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including MITSUI SUMITOMO INSURANCE CO LTD (10 percent owner), BERKLEY WILLIAM R (Executive Chairman · Director), Ferre Maria Luisa (Director). Over the past 12 months, 5 insiders have filed transactions with the SEC. WRB insiders have been primarily buying, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For W. R. Berkley Corporation's institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic

acquisitionOrDisposition field:

A = Acquisition (buy) · D = Disposition (sell)

RSU vesting (M-Exempt) excluded from sentiment

Form 4SEC filing required within 2 business days of any insider transaction

10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot

Open MktDirect purchase or sale on the open market (excludes awards, options)

Ownership SEC filings Financial statements Price history Forecast & ratings Earnings

Frequently asked questions

WRB insider trading · 5 questions

The insiders of W. R. Berkley Corporation (WRB) include executives and directors such as MITSUI SUMITOMO INSURANCE CO LTD (10 percent owner), BERKLEY WILLIAM R (Executive Chairman · Director), Ferre Maria Luisa (Director), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

WRB board member insider tradingwho are WRB insidersWRB insider rosterW. R. Berkley Corporation executives insider activity

▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026