Company: SMNR
Filing Date: 2025-08-13
Form Type: 424B3
Source: 0001193125-25-179226
Chunk: 92

Company: Semnur Pharmaceuticals, Inc.
Filing Date: 2025-08-13
Form: 424B3
Chunk 92
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 the DGCL. |

Termination; Effectiveness The Merger Agreement may be terminated and the transactions contemplated thereby abandoned:

| • |     | by the mutual written consent of Semnur and Denali; |

| • |     | by Denali, if any of the representations or warranties of Semnur set forth in the Merger Agreement shall not be                                                                                                                                   
 true and correct, or if Semnur has failed to perform any covenant or agreement on the part of the Semnur set forth in the Merger Agreement (including an obligation to consummate the Closing), in each case such that the conditions to Denali’s 
 obligations to consummate the Business Combination with respect to the accuracy of Semnur’s representations and warranties or compliance with its                                                                                                 |

42

| • |     | by Semnur, if any of the representations or warranties of Denali or Merger Sub set forth in the Merger Agreement                                                                                                                                          
 shall not be true and correct, or if Denali or Merger Sub has failed to perform any covenant or agreement on its part set forth in the Merger Agreement (including an obligation to consummate the Closing), in each case such that the conditions to     
 Semnur’s obligations to consummate the Business Combination with respect to the accuracy of Denali’s and Merger Sub’s representations and warranties or compliance with their covenants and agreements, in each case, as set forth in                     
 the Merger Agreement, would not be satisfied and the breach or breaches causing such representations or warranties not to be true and correct, or the failure to perform any covenant or agreement, as applicable, are not cured (or waived by Semnur) by 
 the earlier of (i) the Outside Date or (ii) 30 days after written notice thereof is delivered to Denali; provided, however, that Semnur shall not have the right to terminate the Merger Agreement pursuant to this provision if Semnur is then in        
 material breach of any representation, warranty, covenant, or obligation under the Merger Agreement, which breach has not been cured;                                                                                                                     |

| • |     | by either Semnur or Denali: |

| (ii) | if any order prohibiting the consummation of the Business Combination (provided, that the governmental                                                                                                   
 authority issuing such order has jurisdiction over Denali and Semnur with respect to the transactions contemplated by the Merger Agreement) is in effect and shall have become final and non-appealable; |

| •