Company: SCLXW
Filing Date: 2025-12-29
Form Type: 424B3
Source: 0001193125-25-335429
Chunk: 627

Company: Scilex Holding Co
Filing Date: 2025-12-29
Form: 424B3
Chunk 627
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 have been paid in full in cash, such options will not be or become exercisable, eligible for exchange, redemption or repurchase, eligible to participate in any dividends or distributions or have any voting rights in respect of the Company or any of its current or future subsidiaries of the Company. Employee Benefit Plan The Company maintains a defined contribution 401(k) plan available to eligible employees. Employee contributions are voluntary and are determined on an individual basis, limited to the maximum amount allowable under federal tax regulations. The Company made matching contributions to the 401(k) plan totaling $0.1 million for each of the three months ended September 30, 2025 and 2024, and $0.4 million and $0.5 million for each of the nine months ended September 30, 2025 and 2024. Retainer Shares On February 13, 2023, the Company entered into a Stock Issuance Agreement (the “2023 SIA”) with a law firm for the provision of legal services to the Company. Under the 2023 SIA, the Company issued 114,286 shares of Common Stock to the law firm. On July 1, 2024, the Company entered into another Stock Issuance Agreement (the “2024 SIA”) with the same law firm for the provision of legal services to the Company. Under the 2024 SIA, the Company issued 285,714 shares of Common Stock to the same law firm. On July 22, 2025, Legacy Semnur entered into a stock issuance agreement with the law firm named therein pursuant to which the law firm was issued 10,000,000 shares of Legacy Semnur common stock as a retainer for legal services and payment for prior services. Upon the closing of the Semnur Business Combination, the shares were exchanged for 12,500,000 shares (i.e., the then-existing 10,000,000 shares of Legacy common stock multiplied by the Exchange ratio) of Common Stock. All such shares are held by the law firm as collateral for current and future outstanding legal fees due from the Company (the “Retainer Shares”). At the option of the law firm, the Retainer Shares may be sold and the net proceeds may be applied against the outstanding legal fees. The Retainer Shares not applied against the F-99

outstanding legal fees due will be returned to the Company. As of September 30, 2025, it was not probable that any of the