Form 4: White Mountains Insurance Group Insider Sells Shares
Insider Transaction (Form 4)
White Mountains Insurance Group Ltd and 1 other reported changes in beneficial ownership of White Mountains Insurance Group Ltd common stock on November 11, 2026.
Summary
- Open-market sale: disposed of 1,130,000 Class A Common Stock at $14.15 ($15,989,500) on November 11, 2026; holds 11,226,223 after (Indirect).
Sentiment
Score: 2
Explanation: StockSavvy.ai views this as a mildly negative signal: an insider sold $15,989,500 of stock on the open market.
Insider Transactions
White Mountains Insurance Group Ltd — 10% owner
WM Hinson (Bermuda) Ltd. — 10% owner
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-11-11 | Open-market sale | Class A Common Stock | 1,130,000 | $14 | $16.0M | 11,226,223 |
Key Dates
| Date | Description |
|---|---|
| 2026-11-11 | Open-market sale (1,130,000 shares) |
Keywords
insider transaction, Form 4, MAX, MediaAlpha, Inc., bearish, White Mountains Insurance Group Ltd, WM Hinson (Bermuda) Ltd.
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