White Mountains Insurance Group Ltd's Form 4 filing
MediaAlpha, Inc.MAX · filed Nov 5, 2026
- Accession no.
- 0000950157-26-001218
- Filed
- Nov 5, 2026, 9:04 PM ET
- Trade date
- Nov 4, 2026
- Filing delay
- 1 day
- Rule 10b5-1 plan
- Not checked
This filing lists 1 non-derivative transaction. Open-market sales total $76.5M. It was filed 1 day after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| White Mountains Insurance Group LtdCIK 0000776867 | 10% Owner |
| WM Hinson (Bermuda) Ltd.CIK 0001979065 | 10% Owner |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Nov 4, 2026 | Class A Common Stock | SSaleDisposed | −5,500,391 | $13.90 | −$76,455,434.9 | 12,356,223 | Indirect |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
No transaction price on this filing refers to a footnote.
Remarks
Joint/Group Beneficial Owners: WM Hinson (Bermuda) Ltd. - (a wholly owned direct subsidiary of White Mountains Insurance Group, Ltd.)