BERKLEY W R CORP

USFinancialsSIC 6331

Identifiers

Type	Value
cik	0000011544
ticker	WRB

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Company

BERKLEY W R CORP

USFinancialsSIC 6331

Filings

644

Transactions

908

Buys / Sells

113/64

Last tx

03 Mar 2026

Net insider flow

Discretionary BUY minus SELL in USD over rolling windows. Excludes compensation flow.

30 days

Buys—

Sells—

Tx · Insiders0 · 0

90 days

Buys—

Sells—

Tx · Insiders0 · 0

365 days

+$705.5M

Buys$705.5M

Sells—

Tx · Insiders94 · 2

Identifiers

Type	Value
cik	0000011544
ticker	WRB

Recent transactions

Date	Type	Insider	Qty	Price
02 Mar 2026	PURCHASE	MITSUI SUMITOMO INSURANCE CO LTDentity	100,897	73.20 USD
02 Mar 2026	PURCHASE	MITSUI SUMITOMO INSURANCE CO LTDentity	45,103	72.29 USD
03 Mar 2026	PURCHASE	MITSUI SUMITOMO INSURANCE CO LTDentity	73,185	72.52 USD
03 Mar 2026	PURCHASE	MITSUI SUMITOMO INSURANCE CO LTDentity	38,991	71.60 USD
26 Feb 2026	PURCHASE	MITSUI SUMITOMO INSURANCE CO LTDentity	145,491	71.65 USD
26 Feb 2026	PURCHASE	MITSUI SUMITOMO INSURANCE CO LTDentity	7,509	72.11 USD
27 Feb 2026	PURCHASE	MITSUI SUMITOMO INSURANCE CO LTDentity	147,000	71.63 USD
25 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	14,356	71.77 USD
23 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	16,410	71.80 USD
24 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	103,192	70.52 USD
24 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	61,594	71.28 USD
25 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	154,512	71.39 USD
23 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	203,590	71.09 USD
19 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	300,986	70.53 USD
19 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	44,014	71.50 USD
20 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	160,582	70.80 USD
17 Feb 2026	PURCHASE	MITSUI SUMITOMO INSURANCE CO LTDentity	281,386	71.19 USD
18 Feb 2026	PURCHASE	MITSUI SUMITOMO INSURANCE CO LTDentity	239,750	70.58 USD
18 Feb 2026	PURCHASE	MITSUI SUMITOMO INSURANCE CO LTDentity	45,250	70.96 USD
13 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	4,314	70.30 USD
13 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	280	71.18 USD
13 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	15,406	69.73 USD
12 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	2,401	72.76 USD
12 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	17,599	71.88 USD
11 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	11,163	71.45 USD

Net insider flow

Discretionary BUY minus SELL in USD over rolling windows. Excludes compensation flow.

30 days

Buys—

Sells—

Tx · Insiders0 · 0

90 days

Buys—

Sells—

Tx · Insiders0 · 0

365 days

+$705.5M

Buys$705.5M

Sells—

Tx · Insiders94 · 2

Recent transactions

Date	Type	Insider	Qty	Price
02 Mar 2026	PURCHASE	MITSUI SUMITOMO INSURANCE CO LTDentity	100,897	73.20 USD
02 Mar 2026	PURCHASE	MITSUI SUMITOMO INSURANCE CO LTDentity	45,103	72.29 USD
03 Mar 2026	PURCHASE	MITSUI SUMITOMO INSURANCE CO LTDentity	73,185	72.52 USD
03 Mar 2026	PURCHASE	MITSUI SUMITOMO INSURANCE CO LTDentity	38,991	71.60 USD
26 Feb 2026	PURCHASE	MITSUI SUMITOMO INSURANCE CO LTDentity	145,491	71.65 USD
26 Feb 2026	PURCHASE	MITSUI SUMITOMO INSURANCE CO LTDentity	7,509	72.11 USD
27 Feb 2026	PURCHASE	MITSUI SUMITOMO INSURANCE CO LTDentity	147,000	71.63 USD
25 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	14,356	71.77 USD
23 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	16,410	71.80 USD
24 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	103,192	70.52 USD
24 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	61,594	71.28 USD
25 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	154,512	71.39 USD
23 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	203,590	71.09 USD
19 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	300,986	70.53 USD
19 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	44,014	71.50 USD
20 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	160,582	70.80 USD
17 Feb 2026	PURCHASE	MITSUI SUMITOMO INSURANCE CO LTDentity	281,386	71.19 USD
18 Feb 2026	PURCHASE	MITSUI SUMITOMO INSURANCE CO LTDentity	239,750	70.58 USD
18 Feb 2026	PURCHASE	MITSUI SUMITOMO INSURANCE CO LTDentity	45,250	70.96 USD
13 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	4,314	70.30 USD
13 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	280	71.18 USD
13 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	15,406	69.73 USD
12 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	2,401	72.76 USD
12 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	17,599	71.88 USD
11 Feb 2026	PURCHASE	MS&AD Insurance Group Holdings, Inc.entity	11,163	71.45 USD