WTM
White Mountains Insurance Group Ltd
2 disclosed insider filings · 2 distinct insiders · latest Aug 31, 2026
Total filings
2
2 insiders
Insider buys
0
$0
Insider sells
0
$0
Grants & other
0
$0
All disclosed filings
Same-day tranches are grouped per insider - the Lots column shows how many individual executions a row covers; Price is the value-weighted average.
| Filed | Tx date | Insider | Type | Qty | Avg price | Value | Lots | Source |
|---|---|---|---|---|---|---|---|---|
| Aug 31, 2026 | Aug 31, 2026 | David Allen Tanner DIRECTOR | GIFT | 2 | — | — | — | EDGAR |
| Aug 27, 2026 | Aug 26, 2026 | Stephen Klar DIRECTOR | OTHER | 113 | — | — | — | EDGAR |