Company: SMNR
Filing Date: 2025-04-09
Form Type: 425
Source: 0001213900-25-030050
Chunk: 0

Company: Semnur Pharmaceuticals, Inc.
Filing Date: 2025-04-09
Form: 425
Chunk 0
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<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): April 2, 2025

DENALI CAPITAL ACQUISITION CORP.

(Exact name of registrant as specified in its charter)</div>

| Cayman Islands               |     | 001-41351               |     | 98-1659463         |
| (State or other jurisdiction 
 of incorporation)            |     | -Commission File Number |     | -I.R.S. Employer   
 Identification No. |

| 437 Madison Avenue                       
 27th Floor                               
 New York, New York                       |     |     10022 |
| (Address of principal executive offices) |     | -Zip Code |

<div align='center'>Registrant’s telephone number, including area code: (646) 978-5180

Not Applicable

(Former name or former address, if changed since last report)</div>

Check the appropriate box below if the Form 8-K filing is intended
to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

| ☒ | Written communication pursuant                        
 to Rule 425 under the Securities Act (17 CFR 230.425) |

| ☐ | Soliciting material pursuant to                        
 Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) |

| ☐ | Pre-commencement communications                                        
 pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) |

| ☐ | Pre-commencements communications                                       
 pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) |

Securities registered pursuant to Section 12(b) of the Securities Exchange
Act of 1934:

| Title of each class                                                                                              |     | Trading Symbol(s) |     | Name of each exchange   
 on which registered     |
| Units, each consisting of one Class A ordinary share and one redeemable warrant                                  |     | DECAU             |     | The Nasdaq Stock Market |
| Class A ordinary shares, par value $0.0001 per share                                                             |     | DECA              |     | The Nas