White Mountains Insurance Group Ltd
An insider at 1 company in coverage, as reported on Form 4. SEC CIK 776867. Latest Form 4 filed May 9, 2024.
Roles
As stated on the filings: the relationship to the company and any officer title.
| Company | Role | Transactions | First | Latest |
|---|---|---|---|---|
| MediaAlpha, Inc.MAX | 10% owner | 3 | 2020-10-30 | 2024-05-07 |
| MediaAlpha, Inc.MAX | Director, 10% owner | 1 | 2023-06-30 | 2023-06-30 |
Transactions: 4
Every transaction reported, newest first, including grants, exercises and derivative securities. Purchases and sales (codes P and S) are open-market trades. The reported price is as stated on the form.
What these mean: insiders, Form 4, transaction codes, Rule 10b5-1 plans.
| Date | Company | Transaction | Shares | Reported price | Value | Filing |
|---|---|---|---|---|---|---|
| 2024-05-07 | MediaAlpha, Inc.10% owner | Sale | 5,000,200 | $19.00 | $95.0m | Form 4 |
| 2023-06-30 | MediaAlpha, Inc.Director, 10% owner | Purchase | 5,916,816 | $10.00 | $59.2m | Form 4 |
| 2021-03-23 | MediaAlpha, Inc.10% owner | Sale | 3,592,204 | $46.00 | $165.2m | Form 4 |
| 2020-10-30 | MediaAlpha, Inc.10% owner | Sale | 3,609,894 | $19.00 | $68.6m | Form 4 |
Source: SEC EDGAR, Forms 4. Last ingested by Listed: Oct 30, 2026, 12:44 ET. Listed shows no prices and gives no investment advice.