Company: SMNR
Filing Date: 2025-08-13
Form Type: 424B3
Source: 0001193125-25-179226
Chunk: 390

Company: Semnur Pharmaceuticals, Inc.
Filing Date: 2025-08-13
Form: 424B3
Chunk 390
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 Business Combination is to be consummated, Denali will adopt the Proposed Charter to, among other things:

| • |     | increase the total number of authorized shares of all classes of capital stock to 785,000,000 shares, consisting                                                                                                   
 of 740,000,000 authorized shares of common stock and 45,000,000 authorized shares of preferred stock, of which not more than 6,000,000 shares will be designated as Series A Preferred Stock prior to the Closing; |

| • |     | provide that the Denali Board be divided into three classes with only one class of directors being elected each 
 year and each class serving three year terms;                                                                   |

| • |     | require the removal of any director be only for cause and by the affirmative vote of at least 66 2/3% of the                                                                                                                                              
 voting power of all then-outstanding shares of stock of New Semnur entitled to vote thereon, voting together as a single class, from and after the Scilex Trigger Event (and prior to such event, by the affirmative vote of the holders of a majority of 
 voting power of the then-outstanding shares of stock of New Semnur entitled to vote generally in the election of such directors);                                                                                                                         |

| • |     | provide that from and after the Scilex Trigger Event, the alteration, amendment or repeal of certain provisions                                                                                                       
 of the Proposed Charter will require the affirmative vote of the holders of at least 66 2/3% of the voting power of the then-outstanding shares of stock entitled to vote thereon, voting together as a single class; |

| • |     | provide that from and after the Scilex Trigger Event, the alteration, amendment or repeal of the Proposed Bylaws                                                                              
 will require the affirmative vote of the holders of at least 66 2/3% of the voting power of the then-outstanding shares of stock entitled to vote thereon, voting together as a single class; |

| • |     | provide that from and after the Scilex Trigger Event, stockholders will not be permitted to act by written 
 consent in lieu of holding a meeting of stockholders; and                                                  |

| • |     | provide for certain additional changes, including, among other things, removing certain provisions related to     
 Denali’s status as a blank check company that will no longer apply upon consummation of the Business Combination. |

In addition, the Denali Board will take such actions as