Company: CGCT
Filing Date: 2025-04-03
Form Type: S-1/A
Source: 0001104659-25-031359
Chunk: 0

Company: Cartesian Growth Corp III
Filing Date: 2025-04-03
Form: S-1/A
Chunk 0
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<div align='center'>As filed with the Securities and Exchange Commission on April 2, 2025.</div>

Registration No. 333-284565

<div align='center'>UNITED STATESSECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

AMENDMENT NO. 3 TO
FORM S-1
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933

CARTESIAN GROWTH CORPORATION III(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'>505 Fifth Avenue, 15th Floor
New York, New York 10017
Tel: (212) 461-6363(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)

Peter Yu, Chief Executive Officer
Cartesian Growth Corporation III
505 Fifth Avenue, 15th Floor
New York, New York 10017
Tel: (212) 461-6363(Name, address, including zip code, and telephone number, including area code, of agent for service)

Copies to:</div>

| Alan I.                         
 Annex, Esq.                     
 Tricia Branker, Esq.            
 Thomas R. Martin, Esq.          
 Greenberg Traurig, P.A.         
 333 S.E. 2nd Avenue, Suite 4400 
 Miami, Florida 33131            
 Tel: (305) 579-0576             
 Fax: (305) 579-0717             |     | Douglas                                 
 S. Ellenoff, Esq.                       
 Stuart Neuhauser, Esq.                  
 Anthony Ain, Esq.                       
 Ellenoff Grossman & Schole LLP          
 1345 Avenue of the Americas, 11th Floor 
 New York, New York 10105                
 Tel: (212) 370-1300                     
 Fax: (212) 370-7889                     |

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