SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G/A

Under the Securities Exchange Act of 1934
(Amendment No. 2)*

Sidus Space, Inc.

(Name of Issuer)

Class A Common Stock, par value $0.0001 per share

(Title of Class of Securities)

826165201

(CUSIP Number)

June 28, 2024

(Date of Event which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

☐ Rule 13d-1(b)
☒ Rule 13d-1(c)
☐ Rule 13d-1(d)

^* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

(1) This constitutes an exit filing for the reporting person. As more fully described in Item 4 of this Amendment No. 2, this percentage is based on 4,081,344 outstanding shares of the Common Stock, as disclosed in the Quarterly Report.

(1) This constitutes an exit filing for the reporting person. As more fully described in Item 4 of this Amendment No. 2, this percentage is based on 4,081,344 outstanding shares of the Common Stock, as disclosed in the Quarterly Report.

(1) This constitutes an exit filing for the reporting person. As more fully described in Item 4 of this Amendment No. 2, this percentage is based on 4,081,344 outstanding shares of the Common Stock, as disclosed in the Quarterly Report.

This Amendment No. 2 to Statement on Schedule 13G (this “Amendment No. 2”) amends and supplements the Statement on Schedule 13G filed by the reporting persons with the U.S. Securities and Exchange Commission (“SEC”) on February 7, 2023 (the “Schedule 13G”), as amended and supplemented by Amendment No. 1 to the Schedule 13G, filed by the reporting persons with the SEC on February 7, 2024 (“Amendment No. 1”).

The purpose of this Amendment No. 2 is to update the beneficial ownership information on the cover pages and in Item 4 in the Schedule 13G and Amendment No. 1, including to indicate that each of the reporting persons has ceased to be the beneficial owner of more than five percent of the shares of the outstanding Class A common stock of the issuer and to amend Item 5 of the Schedule 13G and Amendment No. 1 accordingly. This Amendment No. 2 constitutes an exit filing for each of the reporting persons.

Item 1(a). Name of Issuer:

Sidus Space, Inc. (the “Issuer”).

Item 1(b). Address of Issuer’s Principal Executive Offices:

The Issuer’s principal executive offices are located at 150 N. Sykes Creek Parkway, Suite 200, Merritt Island, FL 32953.

Item 2(a). Names of Persons Filing:

The foregoing persons are hereinafter collectively referred to as the (“Reporting Persons”). Any disclosures herein with respect to persons other than the Reporting Persons are made on information and belief after making inquiry to the appropriate party.

The Reporting Persons have entered into a Joint Filing Agreement, a copy of which is filed as Exhibit 1 to Amendment No. 1, pursuant to which they have agreed to file this Amendment No. 2 and all subsequent amendments to the Schedule 13G jointly in accordance with the provisions of Rule 13d-1(k) of the Act.

The filing of this Amendment No. 2 should not be construed in and of itself as an admission by any Reporting Person as to beneficial ownership of the shares of the Issuer’s Class A common stock reported herein.  

Item 2(b). Address of Principal Business Office or, if none, Residence:

The principal business address of each of the Reporting Persons is 3053 Fillmore St, Suite 256, San Francisco, CA 94123.

Item 2(c). Citizenship:

Ionic is a limited liability company organized under the laws of the State of California. Ionic Management is a limited liability company organized under the laws of the State of Delaware. Each of Mr. O’Neil and Mr. Coulston is a citizen of the United States.

Item 2(d). Title of Class of Securities:

The title of the class of securities to which the Schedule 13G and this Amendment No. 2 relates is the Issuer’s Class A common stock, par value $0.0001 per share (“Common Stock”).

Item 2(e). CUSIP Number: 826165201

Item 3. If This Statement is Filed Pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), Check Whether the Person Filing is a:

Not applicable.

Item 4. Ownership.

The information required by this item with respect to each Reporting Person is set forth in Rows 5 through 9 and 11 of the cover pages to this Amendment No. 2 and is incorporated herein by reference for each such Reporting Person. The ownership percentages reported are based on 4,081,344 shares of Common Stock outstanding, as reported in the Issuer’s Quarterly Report on Form 10-Q, filed with the SEC on May 20, 2024.

Ionic is the beneficial owner of 30,000 shares of Common Stock (the “Shares”). Ionic has the power to dispose of and the power to vote the Shares beneficially owned by it, which power may be exercised by its manager, Ionic Management. Each of the managers of Ionic Management, Mr. O’Neil and Mr. Coulston, has shared power to vote and/or dispose of the Shares beneficially owned by Ionic and Ionic Management. Neither Mr. O’Neil nor Mr. Coulston directly owns the Shares. By reason of the provisions of Rule 13d-3 of the Act, each of Mr. O’Neil and Mr. Coulston may be deemed to beneficially own the Shares which are beneficially owned by each of Ionic and Ionic Management, and Ionic Management may be deemed to beneficially own the Shares which are beneficially owned by Ionic.

Item 5. Ownership of Five Percent or Less of a Class.

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following ☒

Item 6. Ownership of More than Five Percent on Behalf of Another Person.

Not applicable.

Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company.

Not applicable.

Item 8. Identification and Classification of Members of the Group.

Not applicable.

Item 9. Notice of Dissolution of Group.

Not applicable.

Item 10. Certification.

By signing below the Reporting Persons certify that, to the best of their knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.