Mediaalpha, INC Schedule 13D activist filings

White Mountains Insurance Group updates its beneficial ownership of MediaAlpha, Inc. following changes in the issuer's outstanding share count.

White Mountains Insurance Group and WM Hinson updated their beneficial ownership in MediaAlpha, Inc. Class A Common Stock to 31.7%, a change solely due to an increase in outstanding shares.

Eugene Nonko and O.N.E. Holdings, LLC have updated their Schedule 13D filing for MediaAlpha, Inc., disclosing an aggregate beneficial ownership of 10.8% of Class A Common Stock, alongside recent share acquisitions, sales, and significant transfers to O.N.E. Holdings.