Table of Contents As filed with the U.S. Securities and Exchange Commission on December 19, 2025 Registration No. 333-290995 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 1 to FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Semnur Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) Delaware 2836 98-1659463 (Primary Standard Industrial Classification Code Number) (I ...

Table of Contents As filed with the U.S. Securities and Exchange Commission on October 21, 2025 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Semnur Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) Delaware 2836 98-1659463 (Primary Standard Industrial Classification Code Number) 960 San Antonio Road, Palo A ...

Core Viewpoint - Scilex Holding Company announced the successful closing of a business combination with Denali Capital Acquisition Corp, resulting in the formation of Semnur Pharmaceuticals, Inc., which will focus on non-opioid pain management products [1][2][3] Company Overview - Scilex is dedicated to acquiring, developing, and commercializing non-opioid pain management products for acute and chronic pain, as well as neurodegenerative and cardiometabolic diseases [1][5] - The company aims to address high unmet needs in the market with its innovative therapies [5] Business Combination Details - The combined entity will operate under the name Semnur Pharmaceuticals, Inc., with shares trading on the OTC Markets under the ticker symbols "SMNR" and "SMNRW" [2][6] - Scilex holds approximately 87.5% of Semnur's common stock post-business combination [6] Leadership Statements - Henry Ji, CEO of Scilex, emphasized the importance of public capital markets for business growth and fulfilling the mission of addressing non-opioid pain management needs [3] - Jaisim Shah, CEO of Semnur, expressed pride in leading the development of prescription non-opioid therapeutics and aims to accelerate access to these treatments [3] Product Pipeline - Semnur's lead product candidate, SP-102 (SEMDEXA), is a novel gel formulation for epidural administration targeting chronic radicular pain/sciatica [10] - Scilex has additional product candidates, including SP-103 and SP-104, targeting acute pain and fibromyalgia, respectively [8]

Table of Contents (Exact name of Registrant as specified in its charter) Delaware 2836 92-1062542 (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identification Number) Scilex Holding Company 960 San Antonio Road Palo Alto, CA 94303 (650) 516-4310 As filed with the U.S. Securities and Exchange Commission on August 4, 2025 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form ...

Core Viewpoint - Scilex Holding Company has regained compliance with Nasdaq's minimum closing bid price requirement, maintaining a minimum closing bid price of $1.00 per share for at least ten consecutive trading days as of April 30, 2025 [1] Company Overview - Scilex Holding Company is focused on acquiring, developing, and commercializing non-opioid pain management products for acute and chronic pain, as well as neurodegenerative and cardiometabolic diseases [3][5] - The company targets high unmet needs and large market opportunities with non-opioid therapies to improve patient outcomes [3] Commercial Products - Scilex's commercial products include: - ZTlido® (lidocaine topical system) 1.8%, approved for neuropathic pain relief associated with postherpetic neuralgia [3] - ELYXYB®, the only FDA-approved ready-to-use oral solution for acute migraine treatment in adults [3] - Gloperba®, the first liquid oral version of colchicine for the prophylaxis of painful gout flares in adults [3] Product Candidates - Scilex has three product candidates in development: - SP-102 (SEMDEXA), a viscous gel formulation for epidural injections to treat lumbosacral radicular pain, which has completed a Phase 3 study and received Fast Track status from the FDA [4] - SP-103, a next-generation formulation of ZTlido for acute pain, which has recently completed a Phase 2 trial and also received Fast Track status from the FDA [4] - SP-104, a low-dose delayed-release naltrexone hydrochloride for fibromyalgia treatment [4]

Table of Contents As filed with the U.S. Securities and Exchange Commission on November 6, 2023 Registration No. 333-275117 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 1 to Form S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Scilex Holding Company (Exact name of Registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) Delaware 2836 92-1062542 (Primary Standard Industrial Classification Code Number) (I.R.S. E ...

Registration No. As filed with the U.S. Securities and Exchange Commission on October 20, 2023 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Scilex Holding Company (Exact name of Registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) Delaware 2836 92-1062542 (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identification Number) Scilex Holding Co ...

Registration No. 333-271401 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Table of Contents As filed with the U.S. Securities and Exchange Commission on May 22, 2023 Amendment No. 1 to Form S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Scilex Holding Company (Exact name of Registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) Delaware 2836 92-1062542 (Primary Standard Industrial Classification Code Number) (I.R.S. Emplo ...

Table of Contents As filed with the U.S. Securities and Exchange Commission on April 21, 2023 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Scilex Holding Company (Exact name of Registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) (Address, including zip code, and telephone number, including area code, of Registrant's principal executive offices) ...

(Exact name of Registrant as specified in its charter) As filed with the U.S. Securities and Exchange Commission on April 10, 2023 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Scilex Holding Company (State or other jurisdiction of incorporation or organization) Delaware 2836 92-1062542 (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identification Number) Scilex Holding ...