# White Mountains Insurance Group Ltd: insider transactions

SEC CIK 776867. Roles and transactions as reported on Form 4. Latest Form 4 filed 2024-05-09.

## Roles

| Company | Role | Transactions | First | Latest |
| --- | --- | ---: | --- | --- |
| [MediaAlpha, Inc.](/companies/max.md) | 10% owner | 3 | 2020-10-30 | 2024-05-07 |
| [MediaAlpha, Inc.](/companies/max.md) | Director, 10% owner | 1 | 2023-06-30 | 2023-06-30 |

## Transactions: 4

Every transaction reported, newest first. Codes P and S are open-market purchases and sales. Reported price is as stated on the form.

| Date | Company | Transaction | Shares | Reported price | Value | Filing |
| --- | --- | --- | ---: | ---: | ---: | --- |
| 2024-05-07 | [MediaAlpha, Inc.](/companies/max.md) | Sale (S) | 5,000,200 | $19.00 | $95.0m | [Form 4](/filings/0001062993-24-009800.md) |
| 2023-06-30 | [MediaAlpha, Inc.](/companies/max.md) | Purchase (P) | 5,916,816 | $10.00 | $59.2m | [Form 4](/filings/0001062993-23-014208.md) |
| 2021-03-23 | [MediaAlpha, Inc.](/companies/max.md) | Sale (S) | 3,592,204 | $46.00 | $165.2m | [Form 4](/filings/0001668244-21-000013.md) |
| 2020-10-30 | [MediaAlpha, Inc.](/companies/max.md) | Sale (S) | 3,609,894 | $19.00 | $68.6m | [Form 4](/filings/0000899243-20-030233.md) |

Source: SEC EDGAR, Forms 4. Last ingested by Listed: Nov 1, 2026, 05:51 ET. No prices; not investment advice.