Company: CGCT
Filing Date: 2025-08-15
Form Type: NT 10-Q
Source: 0001104659-25-078868
Chunk: 0

Company: Cartesian Growth Corp III
Filing Date: 2025-08-15
Form: NT 10-Q
Chunk 0
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 The                                                                                                                                   
 reason described in reasonable detail in Part III of this form could not be eliminated without unreasonable effort or expense         |
| x | -b | The                                                                                                                                   
 subject annual report, semi-annual report, transition report on Form 10-K, Form 20-F, Form 11-K, Form N-CEN or Form N-CSR, or portion 
 thereof, will be filed on or before the fifteenth calendar day following the prescribed due date; or the subject quarterly report     
 or transition report on Form 10-Q or subject distribution report on Form 10-D, or portion thereof, will be filed on or before the     
 fifth calendar day following the prescribed due date; and                                                                             |
|   | -c | The                                                                                                                                   
 accountant’s statement or other exhibit required by Rule 12b-25(c) has been attached if applicable.                                   |

PART III — NARRATIVE

State below in reasonable detail why Forms 10-K,
20-F, 11-K, 10-Q, 10-D, N-CEN, N-CSR, or the transition report or portion thereof, could not be filed within the prescribed time period.

Cartesian Growth Corporation III (the “Company”)
was unable, without unreasonable effort or expense, to file its Quarterly Report on Form 10-Q for the quarterly period ended June 30,
2025 (the “Form 10-Q”) by the prescribed due date. Additional time was needed for the Company to complete procedures relating
to its quarter-end financial reporting processes and the Form 10-Q.

PART IV — OTHER INFORMATION

| (1) | Name and telephone number of person to contact in regard to this notification                                                          |     |       |     |            |
|     | Rafael                                                                                                                                 
 de Luque                                                                                                                               |     |  -212 |     | 461-6363   |
|     | -Name                                                                                                                                  |     | -Area 
  Code |     | -Telephone 
 Number     |
| (2) | Have all other                                                                                                                         
 periodic reports required under Section 13 or 15(d) of the Securities Exchange Act of 1934 or Section 30 of the Investment Company     
 Act of 1940 during the preceding 12 months or for such shorter period that the registrant was required to file such report(s) been     
 filed? If answer is no, identify report(s).                                                                                            |     |       |     |            |
|     |                                                                                                                                        |     |       |     | x Yes      
 ¨ No