WHITE MOUNTAINS INSURANCE GROUP LTD

MAX

WHITE MOUNTAINS INSURANCE GROUP LTD serves as 10% Owner at MediaAlpha, Inc. (MAX). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

1 trades

$59.17M

Total Sells

2 trades

$260.24M

Net Position

Net Seller

$201.08M

Companies Traded

MAX

Active Period

Mar 2021 – May 2024

3 total trades

Most Recent

Sell MAX

May 9, 2024 · $95.00M

WHITE MOUNTAINS INSURANCE GROUP LTD's Insider Trading at MediaAlpha, Inc. (MAX)

Buys

1 · $59.17M

Sells

2 · $260.24M

Total Shares Bought

5,916,816

Total Shares Sold

8,592,404

MAX Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
May 9, 2024	Sell	5,000,200	$19.00	$95.00M	17,856,614
Jun 30, 2023	Buy	5,916,816	$10.00	$59.17M	22,856,814
Mar 25, 2021	Sell	3,592,204	$46.00	$165.24M	16,939,998

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MAXSell · Apr 15, 2026

Kuanling Amy Yeh

officer: Chief Technology Officer

MAXSell · Apr 10, 2026

COYNE JEFFREY B

officer: GENERAL COUNSEL AND SECRETARY

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Patrick Ryan Thompson

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VRABECK KATHY P

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MAXBuy · Aug 13, 2025

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