Mitsui Sumitomo Insurance Co Ltd — Insider Trades & Holdings | InsiderBid

Mitsui Sumitomo Insurance Co Ltd

Form 4 filings across 1 company. Net figures count open-market buys and sales only. EDGAR profile ↗

Lifetime net: +$705.5M

Positions by company

Reported holding is the most recent post-transaction share count on a Table I row.

Every company this insider has reported trading in, with the value bought and sold at each and the date they last traded.
Ticker	Company	Bought	Sold	Net	Shares held	Last trade
WRB	Berkley W R Corp	$705.5M	$0	+$705.5M	58.8M	Mar 3

Berkley W R Corp

+$705.5M

Bought

$705.5M

Sold

$0

Held

58.8M

Filing record

How quickly this filer reports. Section 16 allows two business days from the transaction.

All 20 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Trade history

The 94 most recent Form 4 transactions.

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Ticker	Company	Type	Shares	Price	Value	Δ Own	Filing
Mar 3	WRB	Berkley W R Corp	PBUY◷	73,185	$72.52	$5.3M	+0.1%	Open the original filing on SEC.gov
Mar 3	WRB	Berkley W R Corp	PBUY◷	38,991	$71.60	$2.8M	+<0.1%

WRBPBUY◷$5.3M

Berkley W R CorpMar 3

73,185 sh @ $72.52 · +0.1% own

WRBPBUY◷$2.8M

Berkley W R CorpMar 3

38,991 sh @ $71.60 · +<0.1% own

WRBPBUY◷$7.4M

Berkley W R CorpMar 2

100,897 sh @ $73.20 · +0.2% own

WRBPBUY◷$3.3M

Berkley W R CorpMar 2

45,103 sh @ $72.29 · +<0.1% own

WRBPBUY◷$10.5M

Berkley W R CorpFeb 27

147,000 sh @ $71.63 · +0.3% own

WRBPBUY◷$541.5K

Berkley W R CorpFeb 26

7,509 sh @ $72.11 · +<0.1% own

WRBPBUY◷$10.4M

Berkley W R CorpFeb 26

145,491 sh @ $71.65 · +0.3% own

WRBPBUY◷$1M

Berkley W R CorpFeb 25

14,356 sh @ $71.77 · +<0.1% own

WRBPBUY◷$11M

Berkley W R CorpFeb 25

154,512 sh @ $71.39 · +0.3% own

WRBPBUY◷$4.4M

Berkley W R CorpFeb 24

61,594 sh @ $71.28 · +0.1% own

WRBPBUY◷$7.3M

Berkley W R CorpFeb 24

103,192 sh @ $70.52 · +0.2% own

WRBPBUY◷$1.2M

Berkley W R CorpFeb 23

16,410 sh @ $71.80 · +<0.1% own

WRBPBUY◷$14.5M

Berkley W R CorpFeb 23

203,590 sh @ $71.09 · +0.4% own

WRBPBUY◷$11.4M

Berkley W R CorpFeb 20

160,582 sh @ $70.80 · +0.3% own

WRBPBUY◷$3.1M

Berkley W R CorpFeb 19

44,014 sh @ $71.50 · +<0.1% own

WRBPBUY◷$21.2M

Berkley W R CorpFeb 19

300,986 sh @ $70.53 · +0.5% own

WRBPBUY◷$3.2M

Berkley W R CorpFeb 18

45,250 sh @ $70.96 · +<0.1% own

WRBPBUY◷$16.9M

Berkley W R CorpFeb 18

239,750 sh @ $70.58 · +0.4% own

WRBPBUY◷$20M

Berkley W R CorpFeb 17

281,386 sh @ $71.19 · +0.5% own

WRBPBUY◷$19.9K

Berkley W R CorpFeb 13

280 sh @ $71.18 · 0.0% own

WRBPBUY◷$303.3K

Berkley W R CorpFeb 13

4,314 sh @ $70.30 · +<0.1% own

WRBPBUY◷$1.1M

Berkley W R CorpFeb 13

15,406 sh @ $69.73 · +<0.1% own

WRBPBUY◷$174.7K

Berkley W R CorpFeb 12

2,401 sh @ $72.76 · 0.0% own

WRBPBUY◷$1.3M

Berkley W R CorpFeb 12

17,599 sh @ $71.88 · +<0.1% own

WRBPBUY◷$797.6K

Berkley W R CorpFeb 11

11,163 sh @ $71.45 · +<0.1% own

WRBPBUY◷$252.3K

Berkley W R CorpFeb 11

3,578 sh @ $70.50 · +<0.1% own

WRBPBUY◷$646.4K

Berkley W R CorpFeb 11

9,289 sh @ $69.59 · +<0.1% own

WRBPBUY◷$844.8K

Berkley W R CorpFeb 10

12,082 sh @ $69.92 · +<0.1% own

WRBPBUY◷$1.5M

Berkley W R CorpFeb 10

21,884 sh @ $69.09 · +<0.1% own

WRBPBUY◷$284.7K

Berkley W R CorpFeb 9

4,048 sh @ $70.32 · +<0.1% own

WRBPBUY◷$2.5M

Berkley W R CorpFeb 9

35,952 sh @ $69.27 · +<0.1% own

WRBPBUY◷$307.4K

Berkley W R CorpFeb 6

4,306 sh @ $71.39 · +<0.1% own

WRBPBUY◷$1.1M

Berkley W R CorpFeb 6

15,694 sh @ $70.46 · +<0.1% own

WRBPBUY◷$959.9K

Berkley W R CorpFeb 5

13,472 sh @ $71.25 · +<0.1% own

WRBPBUY◷$462.1K

Berkley W R CorpFeb 5

6,528 sh @ $70.79 · +<0.1% own

WRBPBUY◷$1.6M

Berkley W R CorpFeb 4

22,415 sh @ $70.25 · +<0.1% own

WRBPBUY◷$180.3K

Berkley W R CorpFeb 4

2,585 sh @ $69.77 · 0.0% own

WRBPBUY◷$2.2M

Berkley W R CorpFeb 3

31,653 sh @ $68.87 · +<0.1% own

WRBPBUY◷$565.5K

Berkley W R CorpFeb 3

8,347 sh @ $67.75 · +<0.1% own

WRBPBUY◷$900.3K

Berkley W R CorpFeb 2

13,159 sh @ $68.42 · +<0.1% own

WRBPBUY◷$16.1M

Berkley W R CorpFeb 2

237,062 sh @ $67.71 · +0.4% own

WRBPBUY◷$13.3M

Berkley W R CorpJan 30

195,000 sh @ $68.36 · +0.4% own

WRBPBUY◷$1.9M

Berkley W R CorpJan 29

27,718 sh @ $68.56 · +<0.1% own

WRBPBUY◷$17.9M

Berkley W R CorpJan 29

262,282 sh @ $68.08 · +0.5% own

WRBPBUY◷$1.9M

Berkley W R CorpJan 28

28,577 sh @ $67.89 · +<0.1% own

WRBPBUY◷$18.9M

Berkley W R CorpJan 28

280,354 sh @ $67.58 · +0.5% own

WRBPBUY◷$184.4K

Berkley W R CorpJan 27

2,671 sh @ $69.04 · 0.0% own

WRBPBUY◷$588.4K

Berkley W R CorpJan 27

8,582 sh @ $68.56 · +<0.1% own

WRBPBUY◷$22M

Berkley W R CorpJan 27

325,960 sh @ $67.40 · +0.6% own

WRBPBUY◷$801.5K

Berkley W R CorpJan 27

11,987 sh @ $66.87 · +<0.1% own

WRBPBUY◷$52.7K

Berkley W R CorpJan 27

800 sh @ $65.86 · 0.0% own

WRBPBUY◷$5.2M

Berkley W R CorpJan 26

76,389 sh @ $67.88 · +0.1% own

WRBPBUY◷$19.6M

Berkley W R CorpJan 26

293,611 sh @ $66.86 · +0.5% own

WRBPBUY◷$11.2M

Berkley W R CorpJan 23

166,919 sh @ $67.18 · +0.3% own

WRBPBUY◷$13.4M

Berkley W R CorpJan 23

201,081 sh @ $66.77 · +0.4% own

WRBPBUY◷$22.3M

Berkley W R CorpJan 22

330,000 sh @ $67.45 · +0.6% own

WRBPBUY◷$17.6M

Berkley W R CorpJan 21

260,998 sh @ $67.60 · +0.5% own

WRBPBUY◷$4M

Berkley W R CorpJan 21

59,002 sh @ $66.95 · +0.1% own

WRBPBUY◷$3.1M

Berkley W R CorpJan 20

44,994 sh @ $68.08 · +<0.1% own

WRBPBUY◷$18M

Berkley W R CorpJan 20

265,006 sh @ $67.75 · +0.5% own

WRBPBUY◷$4M

Berkley W R CorpJan 16

58,691 sh @ $68.79 · +0.1% own

WRBPBUY◷$16.4M

Berkley W R CorpJan 16

241,309 sh @ $68.03 · +0.5% own

WRBPBUY◷$4.7M

Berkley W R CorpJan 15

68,093 sh @ $69.45 · +0.1% own

WRBPBUY◷$11.5M

Berkley W R CorpJan 15

166,907 sh @ $68.68 · +0.3% own

WRBPBUY◷$14.4M

Berkley W R CorpJan 14

208,272 sh @ $69.23 · +0.4% own

WRBPBUY◷$1.5M

Berkley W R CorpJan 14

21,728 sh @ $68.80 · +<0.1% own

WRBPBUY◷$14.1M

Berkley W R CorpJan 13

206,499 sh @ $68.15 · +0.4% own

WRBPBUY◷$8M

Berkley W R CorpJan 13

118,501 sh @ $67.82 · +0.2% own

WRBPBUY◷$17.6M

Berkley W R CorpJan 12

256,041 sh @ $68.73 · +0.5% own

WRBPBUY◷$571.4K

Berkley W R CorpJan 9

8,150 sh @ $70.12 · +<0.1% own

WRBPBUY◷$7.4M

Berkley W R CorpJan 9

105,674 sh @ $69.56 · +0.2% own

WRBPBUY◷$11M

Berkley W R CorpJan 9

161,176 sh @ $68.48 · +0.3% own

WRBPBUY◷$10.7M

Berkley W R CorpJan 8

151,511 sh @ $70.32 · +0.3% own

WRBPBUY◷$2.7M

Berkley W R CorpJan 8

39,302 sh @ $69.69 · +<0.1% own

WRBPBUY◷$288K

Berkley W R CorpJan 8

4,187 sh @ $68.79 · +<0.1% own

WRBPBUY◷$718.2K

Berkley W R CorpJan 7

10,378 sh @ $69.20 · +<0.1% own

WRBPBUY◷$17.4M

Berkley W R CorpJan 7

254,622 sh @ $68.47 · +0.5% own

WRBPBUY◷$6.5M

Berkley W R CorpJan 6

92,357 sh @ $70.21 · +0.2% own

WRBPBUY◷$8.6M

Berkley W R CorpJan 6

122,931 sh @ $69.93 · +0.2% own

WRBPBUY◷$10.9M

Berkley W R CorpJan 5

153,686 sh @ $70.78 · +0.3% own

WRBPBUY◷$2.5M

Berkley W R CorpJan 5

35,894 sh @ $70.23 · +<0.1% own

WRBPBUY◷$785.4K

Berkley W R CorpJan 5

11,350 sh @ $69.20 · +<0.1% own

WRBPBUY◷$16.5M

Berkley W R CorpJan 2

237,734 sh @ $69.35 · +0.5% own

WRBPBUY◷$16.2M

Berkley W R CorpDec 31, 2025

230,000 sh @ $70.27 · +0.5% own

WRBPBUY◷$14.5M

Berkley W R CorpDec 30, 2025

205,000 sh @ $70.83 · +0.4% own

WRBPBUY◷$14.5M

Berkley W R CorpDec 29, 2025

205,000 sh @ $70.77 · +0.4% own

WRBPBUY◷$15.5M

Berkley W R CorpDec 26, 2025

220,000 sh @ $70.56 · +0.4% own

WRBPBUY◷$15.5M

Berkley W R CorpDec 24, 2025

220,000 sh @ $70.51 · +0.4% own

WRBPBUY◷$144.2K

Berkley W R CorpDec 23, 2025

2,027 sh @ $71.15 · 0.0% own

WRBPBUY◷$16.4M

Berkley W R CorpDec 23, 2025

232,546 sh @ $70.31 · +0.5% own

WRBPBUY◷$11.4M

Berkley W R CorpDec 22, 2025

162,060 sh @ $70.33 · +0.3% own

WRBPBUY◷$2.8M

Berkley W R CorpDec 22, 2025

39,940 sh @ $69.97 · +<0.1% own

WRBPBUY◷$14.2M

Berkley W R CorpDec 19, 2025

204,000 sh @ $69.50 · +0.4% own

WRBPBUY◷$14.2M

Berkley W R CorpDec 18, 2025

204,350 sh @ $69.38 · +0.4% own