Company: SMNR
Filing Date: 2025-08-13
Form Type: 424B3
Source: 0001193125-25-179226
Chunk: 1012

Company: Semnur Pharmaceuticals, Inc.
Filing Date: 2025-08-13
Form: 424B3
Chunk 1012
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, in good faith, cause such Registrable Securities to be included in such Piggyback Registration and, if applicable, shall use commercially reasonable efforts to
cause the managing Underwriter or Underwriters of a proposed Underwritten Offering to permit the Registrable Securities requested by the Holders pursuant to this to be included in a Piggyback Registration on the same terms
and conditions as any similar securities of the Company included in such registered offering and to permit the sale or other disposition of such Registrable Securities in accordance with the intended method(s) of distribution thereof. All such
Holders proposing to distribute their Registrable Securities through an

F-6

Underwritten Offering under this shall enter into an underwriting agreement in customary form with the Underwriter(s) selected for such Underwritten Offering by the
Company.

2.2.2 . If the managing Underwriter or Underwriters in an Underwritten
Offering that is to be a Piggyback Registration, in good faith, advises the Company and the Holders of Registrable Securities participating in the Piggyback Registration in writing that the dollar amount or number of shares of Common Stock or other
equity securities that the Company desires to sell, taken together with (i) the shares of Common Stock or other equity securities, if any, as to which Registration or a registered offering has been demanded pursuant to separate written
contractual arrangements with persons or entities other than the Holders of Registrable Securities hereunder, (ii) the Registrable Securities as to which registration has been requested pursuant to hereof, and
(iii) the shares of Common Stock or other equity securities, if any, as to which Registration or a registered offering has been requested pursuant to separate written contractual piggyback registration rights of stockholders of the Company
other than the Holders of Registrable Securities, exceeds the Maximum Number of Securities, then:

(a) If the Registration
or a registered offering is undertaken for the Company’s account, the Company shall include in any such Registration or a registered offering (i) first, the shares of Common Stock or other equity securities that the Company desires to
sell, which can be sold without exceeding the Maximum Number of Securities; (ii) second, to the extent that the Maximum Number of Securities has not been reached under the foregoing clause (i), the Registrable Securities of Holders exercising
their rights to register their Registrable Securities pursuant to hereof, Pro Rata, which can be sold without exceeding the Maximum Number of Securities; and (iii) third