Company: SMNR
Filing Date: 2025-08-13
Form Type: 424B3
Source: 0001193125-25-179226
Chunk: 378

Company: Semnur Pharmaceuticals, Inc.
Filing Date: 2025-08-13
Form: 424B3
Chunk 378
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amped copy of the certificate of domestication issued by the Secretary of State of the State of Delaware in relation thereto shall have been delivered to Semnur. |

| • |     | The Investment Management Trust Agreement shall have been amended solely to the extent necessary to enable the                                                                                  
 intended effects of the Amended Underwriting Agreement (as defined in the Merger Agreement) without breach of, or other conflict with, the Investment Management Trust Agreement as so amended. |

| • |     | The New Semnur Certificate of Designations shall have been filed with, and accepted by, the Secretary of State of 
 the State of Delaware.                                                                                            |

| • |     | The pre-signing certificate of merger to eliminate legacy subsidiaries of     
 Denali shall have become effective in accordance with its terms and 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 covenants and agreements, each 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 Denali) by the earlier of (i) the Outside Date or   
 (ii) 30 days after written notice thereof is delivered to Semnur; provided, however, that Denali shall not have the right to terminate the Merger Agreement if Denali or Merger Sub is then in material breach of any representation, warranty,   
 covenant, or obligation under the Merger Agreement, which breach has not been cured;                                                                                                                                                              |

| • |     | 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