Company: CLSO
Filing Date: 2025-09-23
Form Type: S-1
Source: 0001213900-25-090236
Chunk: 0

Company: Climate Transition Special Opportunities SPAC I
Filing Date: 2025-09-23
Form: S-1
Chunk 0
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As filed with the U.S. Securities and Exchange Commission on September 22, 2025. Registration No. 333-[•] UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 _____________________________________ FORM S-1
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933 _____________________________________ Climate Transition Special Opportunities SPAC I (Exact name of registrant as specified in its charter) _____________________________________

| 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 |

110 East 40 th Street, Suite 803
New York, NY 10016
Tel: (212) 400-0011 (Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices) _____________________________________ Robert Zulkoski
Chief Executive Officer
110 East 40 th Street, Suite 803
New York, NY 10016
Tel: (212) 400-0011 (Name, address, including zip code, and telephone number, including area code, of agent for service) _____________________________________ Copies to:

| Alan Annex, Esq.                  
 Jason Simon, Esq.                 
 Tricia Branker, Esq.              
 Greenberg Traurig, LLP            
 1750 Tysons Boulevard, Suite 1000 
 McLean, Virginia 22102            
 Tel.: (703) 749-1300              |     | Alexandra Low           
 Appleby (Cayman) Ltd.   
 9 Floor, 60 Nexus Way   
 Camana Bay Grand Cayman 
 KY1-1104                
 Tel.: (345) 949-4900    |     | Christopher J. Capuzzi, Esq. 
 Ropes & Gray LLP             
 1211 Avenue of the Americas  
 New York, New York 10036     
 Tel.: (212) 596-9000         |

_____________________________________ 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