As filed with the Securities and Exchange Commission on July 23, 2026

 Registration No. 333-         

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM S-8

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933

SIDUS SPACE, INC.

(Exact name of registrant as specified in its charter)

150 N. Sykes Creek Parkway, Suite 200

Merritt Island, FL 32953

(Address of Principal Executive Offices) (Zip Code)

Sidus Space, Inc. Omnibus Equity Incentive Plan

(Full title of the plan)

Carol Craig

Chief Executive Officer

Sidus Space, Inc.

150 N. Sykes Creek Parkway, Suite 200

Merritt Island, FL 32953

(Name and address of agent for service)

(321) 613-5620

(Telephone number, including area code, of agent for service)

With a copy to:

Jeffrey J. Fessler, Esq.

Sean F. Reid, Esq.

Sheppard, Mullin, Richter & Hampton LLP

30 Rockefeller Plaza

New York, NY 10012

Telephone: (212) 653-8700

Facsimile: (212) 653-8701

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act. ☐

EXPLANATORY NOTE

This Registration Statement is being filed for the purpose of registering an additional 4,000,000 shares of Class A common stock that were reserved for issuance under the Sidus Space, Inc. 2021 Omnibus Equity Incentive Plan (the “2021 Plan”). On March 2, 20222, the Registrant filed with the Securities and Exchange Commission (the “SEC”) a registration statement on Form S-8 (SEC File No. 333-263227) (the “March 2022 Registration Statement”), registering 1,250,000 shares of Class A common stock issuable under the Sidus Space, Inc. 2021 Omnibus Equity Incentive Plan (the “2021 Plan”), which amount was reduced to 12,500 shares as a result of the Registrant’s reverse stock split in December 2023. On June 25, 2024, the Registrant’s stockholders approved an amendment to the 2021 Plan to increase the number of shares of Class A common stock reserved and available for awards thereunder from 12,500 to 800,000. On November 29, 2024, the Registrant filed with the Securities and Exchange Commission (the “SEC”) a registration statement on Form S-8 (SEC File No. 333-263227) (the “November 2024 Registration Statement” and together with the March 2022 Registration Statement, the “Prior Registration Statements”), registering an additional 787,500 shares of Class A common stock issuable under the 2021 Plan. On June 18, 2026, the Registrant’s stockholders approved an amendment to the 2021 Plan to increase the number of shares of Class A common stock reserved and available for awards thereunder from 800,000 to 4,800,000. This Registration Statement relates to securities of the same class as those to which the Prior Registration Statements relate and is submitted in accordance with General Instruction E of Form S-8 regarding Registration of Additional Securities. Pursuant to General Instruction E of Form S-8, the contents of the Prior Registration Statements are incorporated herein by reference and made part of this Registration Statement, except for Items 3 and 8, which are being updated by this Registration Statement.

PART II

INFORMATION NOT REQUIRED IN THE REGISTRATION STATEMENT

ITEM 3. INCORPORATION OF DOCUMENTS BY REFERENCE.

The following documents filed by the Company with the Securities and Exchange Commission (“SEC”) pursuant to the Securities Act and the Securities Exchange Act of 1934, as amended (the “Exchange Act”), are incorporated herein by reference:

ITEM 8. EXHIBITS.

See the attached Exhibit Index on the page immediately following the signature pages hereto, which is incorporated herein by reference.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Merritt Island, State of Florida, on the 23^rd day of July 2026.

POWER OF ATTORNEY

We, the undersigned officers and directors of Sidus Space, Inc., hereby severally constitute and appoint Carol Craig, our true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for us and in our stead, in any and all capacities, to sign any and all amendments (including post-effective amendments) to this Registration Statement and all documents relating thereto, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent full power and authority to do and perform each and every act and thing necessary or advisable to be done in and about the premises, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent or his substitute or substitutes, may lawfully do or cause to be done by virtue thereof.

WITNESS our hands and common seal on the dates set forth below.

Pursuant to the requirements of the Securities Act of 1933, this registration statement has been signed below by the following persons in the capacities and on the dates indicated.

EXHIBIT INDEX

ATTACHMENTS / EXHIBITS

EX-5.1

EX-23.1

EX-FILING FEES

IDEA: R1.htm

IDEA: R2.htm

IDEA: R3.htm

IDEA: FilingSummary.xml

IDEA: MetaLinks.json

IDEA: ex107_htm.xml