Company: APXT
Filing Date: 2025-10-27
Form Type: S-1MEF
Source: 0001213900-25-102679
Chunk: 0

Company: Apex Treasury Corp
Filing Date: 2025-10-27
Form: S-1MEF
Chunk 0
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<div align='center'>As filed with the U.S. Securities and Exchange Commission on October 27, 2025</div>

Registration No. 333-

<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM S-1

REGISTRATION STATEMENT
UNDER

THE SECURITIES ACT OF 1933

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

| Cayman Islands                  |     |                         6770 |     | N/A                   |
| (State or other jurisdiction of 
 incorporation or organization)  |     | -Primary Standard Industrial 
   Classification Code Number |     | -I.R.S. Employer      
 Identification Number |

<div align='center'>2035 Regatta Drive
Vero Beach, Florida 32963
Tel: (772) 588-4799(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)

Hugh Cochrane
Co-Chief Executive Officer
2035 Regatta Drive
Vero Beach, Florida 32963
Tel: (772) 588-4799(Name, address, including zip code, and telephone number, including area code, of agent for service)

Copies to:</div>

| Elliott Smith               
 Perkins Coie LLP            
 1155 Avenue of the Americas 
 New York, New York 10036    
 Tel: (212) 262-6900         |     | Simon Raftopoulos       
 Alexandra Low           
 Appleby (Cayman) Ltd.   
 60 Nexus Way, 9th Floor 
 Camana Bay,             
 Grand Cayman            
 Cayman Islands          
 KY1-1104                
 Tel: (345) 949-4900     |     | Stephen C. Ashley        
 Christopher Wing         
 Pillsbury Winthrop Shaw  
 Pittman LLP              
 31 W. 52nd Street        
 New York, New York 10019 
 Tel: (212) 858-1000      |

Approximate date of commencement of proposed sale to the public: As soon as practicable after the effective date of this registration statement.

If any of the securities being registered on this
Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933 check the following box.
☐

If this Form is filed to register additional securities
for an offering pursuant to Rule 462(b) under the Securities