MITSUI SUMITOMO INSURANCE CO LTD

Insider

TenPercentOwner

Trades at: WRB

30D 90D 1Y

Net shares · 365d

+4.8M

4.8M buy · 0 sell

Net value · 365d

$332.7M

$332.7M in · $0 out

Sentiment · 365d

Net buying

100% buying · 0% selling

Open-market trades · 365d

4.8M buy · 0 sell

Trading track record · all companies

Running net of open-market buys − sells across every company. Tap the line or a marker for details. ▲ buy · ▼ sell.

Transactions · 365d

Open-market Buys Sells All types

WRB Buy·P
Mar 3, 26

TenPercentOwner · 10b5-1

$18.7M

258.2K sh · $72.61 avg · 4 lots

Own +0%
WRB Buy·P
Feb 27, 26

TenPercentOwner · 10b5-1

$21.5M

300.0K sh · $71.65 avg · 3 lots

Own +1%
WRB Buy·P
Feb 18, 26

TenPercentOwner · 10b5-1

$40.2M

566.4K sh · $70.91 avg · 3 lots

Own +1%
WRB Buy·P
Feb 4, 26

TenPercentOwner · 10b5-1

$21.5M

315.2K sh · $68.05 avg · 6 lots

Own +1%
WRB Buy·P
Jan 30, 26

TenPercentOwner · 10b5-1

$33.1M

485.0K sh · $68.22 avg · 3 lots

Own +1%
WRB Buy·P
Jan 14, 26

TenPercentOwner · 10b5-1

$55.6M

811.0K sh · $68.58 avg · 5 lots

Own +2%
WRB Buy·P
Jan 9, 26

TenPercentOwner · 10b5-1

$32.6M

470.0K sh · $69.45 avg · 6 lots

Own +1%
WRB Buy·P
Jan 7, 26

TenPercentOwner · 10b5-1

$47.4M

681.2K sh · $69.61 avg · 7 lots

Own +1%
WRB Buy·P
Dec 29, 25

TenPercentOwner · 10b5-1

$62.0M

879.6K sh · $70.53 avg · 5 lots

Own +2%

Date▾	Ticker	Role	Type	Shares	Own Δ	Price	Value
Mar 3, 2026	WRB	TenPercentOwner	Buy P	258.2K4 lots	+0%	$72.61 avg	$18.7M
Feb 27, 2026	WRB	TenPercentOwner	Buy P	300.0K3 lots	+1%	$71.65 avg	$21.5M
Feb 18, 2026	WRB	TenPercentOwner	Buy P	566.4K3 lots	+1%	$70.91 avg	$40.2M
Feb 4, 2026	WRB	TenPercentOwner	Buy P	315.2K6 lots	+1%	$68.05 avg	$21.5M
Jan 30, 2026	WRB	TenPercentOwner	Buy P	485.0K3 lots	+1%	$68.22 avg	$33.1M
Jan 14, 2026	WRB	TenPercentOwner	Buy P	811.0K5 lots	+2%	$68.58 avg	$55.6M
Jan 9, 2026	WRB	TenPercentOwner	Buy P	470.0K6 lots	+1%	$69.45 avg	$32.6M
Jan 7, 2026	WRB	TenPercentOwner	Buy P	681.2K7 lots	+1%	$69.61 avg	$47.4M
Dec 29, 2025	WRB	TenPercentOwner	Buy P	879.6K5 lots	+2%	$70.53 avg	$62.0M

Buy Sell Non-market (grant · exercise · gift)

About MITSUI SUMITOMO INSURANCE CO LTD

This profile aggregates every SEC Form 4 insider transaction reported by MITSUI SUMITOMO INSURANCE CO LTD across all companies they trade. Open-market purchases (code P) and sales (code S) are the highest-signal, discretionary trades; grants (A), option exercises (M) and gifts (G) reflect compensation rather than conviction and carry no market price. Figures cover the selected period and update as new filings are ingested.