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SIDU · Additional Proxy Materials (DEFA14A) · Filed April 28, 2026

Sidus Space Inc — Additional Proxy Materials (DEFA14A)

Form
DEFA14A
Filed
April 28, 2026
Ticker
SIDU
Accession
0001493152-26-019408
Boardroom Alpha · Filing insights

Sidus Space, Inc. provides no substantive updates; consult the filing for more details.

About Sidus Space Inc
Market cap
$397M
1Y TSR
+159.8%
3Y TSR
−41.1%
Board grade
C-
Sector
Industrials
CEO
Carol Marlene Craig
Last annual meeting: Jun 18, 2026 · View full Sidus Space Inc profile →

 

 

 

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

SCHEDULE 14A

 

Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

 

Filed by the Registrant ☒

 

Filed by a party other than the Registrant ☐

 

Check the appropriate box:

 

Preliminary Proxy Statement
   
Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
   
Definitive Proxy Statement
   
Definitive Additional Materials
   
Soliciting Material under §240.14a-12

 

Sidus Space, Inc.
(Name of Registrant as Specified In Its Charter)

 

 
(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

 

Payment of Filing Fee (Check all boxes that apply):

 

No fee required.
   
Fee paid previously with preliminary materials.
   
Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

 

  (1) Title of each class of securities to which transaction applies:
     
  (2) Aggregate number of securities to which transaction applies:
     
  (3) Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (set forth the amount on which the filing fee is calculated and state how it was determined):
     
  (4) Proposed maximum aggregate value of transaction:
     
  (5) Total fee paid:
     

 

Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.

 

  (1) Amount Previously Paid:
     
  (2) Form, Schedule or Registration Statement No.:
     
  (3) Filing Party:
     
  (4) Date Filed:
     

 

 

 

 
 

 

 

 
 

 

 

 
 

 

 

 
 

 

 

 

 

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More filings

Other filings from Sidus Space Inc (SIDU)

Reference

Frequently asked questions

When did Sidus Space Inc file this DEFA14A?
Sidus Space Inc (SIDU) filed this Additional Proxy Materials (DEFA14A) with the SEC on April 28, 2026. The accession number assigned by EDGAR is 0001493152-26-019408.
What does a DEFA14A disclose?
DEFA14A is additional definitive proxy soliciting material filed in connection with a shareholder meeting — supplemental letters, slides, or amendments issued after the main proxy statement.
What is the key takeaway from this filing?
Sidus Space, Inc. provides no substantive updates; consult the filing for more details. This is Boardroom Alpha's one-line summary of the additional proxy materials; see the full filing text above for the formal disclosure.
Where can I find Sidus Space Inc's prior proxy statements on EDGAR?
The SEC EDGAR browser lists every DEFA14A Sidus Space Inc has filed under CIK 1879726, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.
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