Clywedog Therapeutics Holdings Merger S-4/A Filing

Beacon Topco, Inc. filed an Amendment No. 2 to its Form S-4 registration statement with the SEC on March 13, 2026. The filing indicates the registrant plans to change its name to Clywedog Therapeutics Holdings, Inc. following the effective date of the registration statement and completion of the transactions described in the document.

The S-4/A includes the registrant’s principal offices in Germantown, Maryland and identifies William Enright as Chief Executive Officer. The filing is part of the merger process involving Barinthus Biotherapeutics as the strategic buyer and Clywedog Therapeutics as the target.