Company: SIDU
Filing Date: 2025-06-23
Form Type: DEFA14A
Source: 0001641172-25-016075
Chunk: 1

Company: Sidus Space Inc.
Filing Date: 2025-06-23
Form: DEFA14A
Chunk 1
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| (3) | Filing                                  
 Party:                                  |
| (4) | Date                                    
 Filed:                                  |

<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): June 20, 2025

SIDUS SPACE, INC.

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

| Delaware              |     | 001-41154   |     | 46-0628183     |
| (State                
 or other jurisdiction 
 of                    
 incorporation)        |     | -Commission 
 File        
 Number      |     | -IRS           
 Employer       
 Identification 
 No.            |

| 150                               
 N. Sykes Creek Parkway, Suite 200 
 Merritt                           
 Island, FL                        |     | 32953 |
| (Address                          
 of principal executive offices)   |     |  -Zip 
  Code |

<div align='center'>Registrant’s telephone number, including area code: (321) 613-5620

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 (see General Instructions A.2. below):

| ☐ | Written                                                                               
 communications 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-commencement                                                                      
 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 Act:

| Title                                       
 of each class                               |     | Trading   
 Symbol(s) |     | Name                                 
 of each exchange on which registered |
| Class                                       
 A Common Stock, $0.0001 par value per share |