WTMWHITE MOUNTAINS INSURANCE GROUP LTD

Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-08-31.

Set an alert for WTM
Insider buys (90d)
$0.00
Insider sells (90d)
$0.00
Net flow
$0.00
Filings
2
Buy transactions
0
Sell transactions
0
Distinct insiders
2
Last close (cached)
$2075.99
as of 2026-09-10
1d return
+1.2%
5d return
-1.4%
1m return
-1.7%

Top insiders trading WTM (90d)

Recent transactions (2)

FiledTxn dateInsiderCodeSharesPriceValueFiling
2026-08-312026-08-31Tanner David Allen
Director
Gift2$0.00$0.00open →
2026-08-272026-08-26Klar Stephen
Director
Grant113$0.00$0.00open →

Other tickers these insiders trade

Want an email the moment a new insider transaction is filed on WTM? Set up an alert → Watch4Insider delivers SEC Form 4 alerts with a sub-60s p95 SLA.