White Mountains Insurance Group Ltd
10% owner
Sale
Calculated transaction value
$76.46M
5,500,391 shares @ $13.9
Traded
Nov 4, 2026
Filed
Nov 5, 2026
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Attempting to reconnect| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| White Mountains Insurance G... 10% owner | Nov 5, 2026 1-day lag | Sale Nov 4, 2026 | $76.46M Filed shares x price | SEC Form 4 View filing | |
| Yi Steven See Remarks | Nov 4, 2026 Same-day filing | Sale Nov 4, 2026 | $2.34M Filed shares x price | SEC Form 4 View filing | |
| Yi Steven See Remarks | Nov 4, 2026 1-day lag | Sale Nov 3, 2026 | $1.96M Filed shares x price | SEC Form 4 View filing | |
| Yi Steven See Remarks | Nov 4, 2026 2-day lag | Sale Nov 2, 2026 | $2.05M Filed shares x price | SEC Form 4 View filing | |
| Nonko Eugene Director | Nov 4, 2026 Same-day filing | Sale Nov 4, 2026 | $86.44K Filed shares x price | SEC Form 4 View filing | |
| Nonko Eugene Director | Nov 4, 2026 Same-day filing | Sale Nov 4, 2026 | $1.43M Filed shares x price | SEC Form 4 View filing | |
| Nonko Eugene Director | Nov 4, 2026 1-day lag | Sale Nov 3, 2026 | $224.28K Filed shares x price | SEC Form 4 View filing | |
| Nonko Eugene Director | Nov 4, 2026 1-day lag | Sale Nov 3, 2026 | $2.41M Filed shares x price | SEC Form 4 View filing | |
| Nonko Eugene Director | Nov 4, 2026 2-day lag | Sale Nov 2, 2026 | $1.62M Filed shares x price | SEC Form 4 View filing | |
| Nonko Eugene Director | Nov 4, 2026 2-day lag | Sale Nov 2, 2026 | $1.15M Filed shares x price | SEC Form 4 View filing | |
| Yeh Kuanling Amy Chief Technology Officer | Nov 3, 2026 1-day lag | Sale Nov 2, 2026 | $372.71K Filed shares x price | SEC Form 4 View filing | |
| Yeh Kuanling Amy Chief Technology Officer | Nov 3, 2026 4-day lag | Sale Oct 30, 2026 | $361.81K Filed shares x price | SEC Form 4 View filing | |
| Nonko Eugene Director | Oct 28, 2026 Same-day filing | Sale Oct 28, 2026 | $22.56K Filed shares x price | SEC Form 4 View filing | |
| Nonko Eugene Director | Oct 28, 2026 Same-day filing | Sale Oct 28, 2026 | $84.56K Filed shares x price | SEC Form 4 View filing | |
| Nonko Eugene Director | Oct 28, 2026 1-day lag | Sale Oct 27, 2026 | $98.14K Filed shares x price | SEC Form 4 View filing | |
| Nonko Eugene Director | Oct 28, 2026 1-day lag | Sale Oct 27, 2026 | $40.46K Filed shares x price | SEC Form 4 View filing | |
| Nonko Eugene Director | Oct 28, 2026 2-day lag | Sale Oct 26, 2026 | $86.04K Filed shares x price | SEC Form 4 View filing | |
| Nonko Eugene Director | Oct 28, 2026 2-day lag | Sale Oct 26, 2026 | $22.95K Filed shares x price | SEC Form 4 View filing | |
| Cramer Keith Chief Revenue Officer | Oct 21, 2026 2-day lag | Sale Oct 19, 2026 | $136.65K Filed shares x price | SEC Form 4 View filing | |
| Nonko Eugene Director | Oct 21, 2026 Same-day filing | Sale Oct 21, 2026 | $84.56K Filed shares x price | SEC Form 4 View filing | |
| Nonko Eugene Director | Oct 21, 2026 Same-day filing | Sale Oct 21, 2026 | $22.57K Filed shares x price | SEC Form 4 View filing | |
| Nonko Eugene Director | Oct 21, 2026 1-day lag | Sale Oct 20, 2026 | $22.54K Filed shares x price | SEC Form 4 View filing | |
| Nonko Eugene Director | Oct 21, 2026 1-day lag | Sale Oct 20, 2026 | $85.27K Filed shares x price | SEC Form 4 View filing | |
| Nonko Eugene Director | Oct 21, 2026 2-day lag | Sale Oct 19, 2026 | $82.83K Filed shares x price | SEC Form 4 View filing | |
| Nonko Eugene Director | Oct 21, 2026 2-day lag | Sale Oct 19, 2026 | $22.09K Filed shares x price | SEC Form 4 View filing | |
| Yeh Kuanling Amy Chief Technology Officer | Oct 19, 2026 3-day lag | Sale Oct 16, 2026 | $35.31K Filed shares x price | SEC Form 4 View filing | |
| Nonko Eugene Director | Oct 14, 2026 Same-day filing | Sale Oct 14, 2026 | $69.16K Filed shares x price | SEC Form 4 View filing | |
| Nonko Eugene Director | Oct 14, 2026 Same-day filing | Sale Oct 14, 2026 | $11.11K Filed shares x price | SEC Form 4 View filing | |
| Nonko Eugene Director | Oct 14, 2026 1-day lag | Sale Oct 13, 2026 | $67.42K Filed shares x price | SEC Form 4 View filing | |
| Nonko Eugene Director | Oct 14, 2026 1-day lag | Sale Oct 13, 2026 | $10.8K Filed shares x price | SEC Form 4 View filing |