John Chu

Director, White Mountains Insurance Group.

Companies

White Mountains Insurance GroupBoard member May 22, 2026 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

White Mountains Insurance Group WTM200 shares²$433.3K at $2,166.33May 22, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

May 21, 2026Granted 135 shares of White Mountains Insurance Group³

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARWhite Mountains Insurance Group, Board member
2
SEC EDGARWhite Mountains Insurance Group shares after the filing of May 22, 2026
3
SEC EDGARForm 4 filed May 22, 2026