WTMWHITE MOUNTAINS INSURANCE GROUP LTD

Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-05-22.

Set an alert for WTM
Insider buys (90d)
$0.00
Insider sells (90d)
$0.00
Net flow
$0.00
Filings
9
Buy transactions
0
Sell transactions
0
Distinct insiders
9
Last close (cached)
$2013.36
as of 2026-06-18
1d return
+0.5%
5d return
+1.2%
1m return
-6.1%

Top insiders trading WTM (90d)

Recent transactions (9)

FiledTxn dateInsiderCodeSharesPriceValueFiling
2026-05-222026-05-21Tanner David Allen
Director
Grant135$0.00$0.00open →
2026-05-222026-05-21SHANK SUZANNE F.
Director
Grant135$0.00$0.00open →
2026-05-222026-05-21Hicks Weston M
Director
Grant190$0.00$0.00open →
2026-05-222026-05-21Gelston Philip A
Director
Grant135$0.00$0.00open →
2026-05-222026-05-21Dillon Margaret
Director
Grant135$0.00$0.00open →
2026-05-222026-05-21Chu John
Director
Grant135$0.00$0.00open →
2026-05-222026-05-21CHOKSI MARY C
Director
Grant135$0.00$0.00open →
2026-05-222026-05-21Carlson Peter M
Director
Grant135$0.00$0.00open →
2026-05-222026-05-21CAMPBELL REID TARLTON
Director
Grant135$0.00$0.00open →

Other tickers these insiders trade

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WTM Insider Trading & Form 4 Activity · Watch4Insider