Boston Scientific S-4/A for Merger with Penumbra

Boston Scientific Corporation filed Amendment No. 1 to its Form S-4 registration statement on March 30, 2026 in connection with a merger described in the filing. The document states the proposed sale of securities to the public will occur as soon as practicable after the registration statement becomes effective and upon completion of the merger.

The filing includes standard Securities Act language and references merger-related registration mechanics under the SEC’s rules, with Boston Scientific and Penumbra identified as the relevant parties in the registration header.