Semnur Pharmaceuticals, Inc. filed an S-1 registration statement with the Securities and Exchange Commission on October 21, 2025, under the ticker DECA, accession number 0001193125-25-245178. The filing places Semnur in the biopharmaceutical and life sciences sector, a space that has drawn consistent SPAC and emerging-growth activity in recent years. As of the filing date, the registration is active and under review, representing a key disclosure milestone in the company's path toward public market participation. SpacDesk monitors S-1 filings, deal timelines, and company-level status across the SPAC and de-SPAC universe. Sign up at SpacDesk for complete filing history, real-time status updates, and sector analytics on DECA and hundreds of similar vehicles.