[Form 4/A] Sidus Space Inc. Amended Insider Trading Activity

Rhea-AI Filing Summary

Sidus Space insider Dana S. Kilborne, a company director, reported stock-unit grants and conversions on 08/01/2025. The filing amends an earlier Form 4 and shows a grant of 10,896 restricted stock units (RSUs), of which 7,955 vested immediately and converted into Class A Common Stock on the grant date at a $0 price.

The RSU award schedule shows the remaining 3, ( - see explanation ) 7,955 unvested/remaining units vesting in installments of 735 on each of 10/01/2025, 01/01/2026, 04/01/2026 and 07/01/2026. Following the reported transactions the filing lists 7,955 shares beneficially owned from the immediate conversion and a total of 10,896 RSU-based shares under Table II.

Positive

• 10,896 RSU grant documented, showing planned compensation alignment with the company
• 7,955 RSUs vested and converted immediately on 08/01/2025, increasing direct beneficial ownership

Negative

• No price paid for converted RSUs (reported price $0), indicating share issuance without cash consideration
• Dilution schedule in place with 3,941 remaining RSUs to vest across four future dates (735 each)

Insights

Corporate Governance Analyst

Director received RSU grant with immediate vesting of 7,955 shares.

The filing documents a grant of 10,896 RSUs on 08/01/2025, with 7,955 units vesting and converting to Class A Common Stock immediately at a $0 price, increasing the reporting person's direct beneficial ownership by 7,955 shares.

The remaining RSUs vest in four equal installments of 735 shares on 10/01/2025, 01/01/2026, 04/01/2026, and 07/01/2026, creating a clear, dated schedule for additional share issuance.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Kilborne Dana S

(Last) (First) (Middle)

C/O SIDUS SPACE, INC.

150 N. SYKES CREEK PKWY, SUITE 200

(Street)

MERRITT ISLAND, FL 32953

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Sidus Space Inc. [ SIDU ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
08/01/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)
08/04/2025

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	08/01/2025		M(1)		7,955	A	$0	7,955	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(2)	08/01/2025		A		10,896		(3)	(3)	Class A Common Stock	10,896	$0	10,896	D
Restricted Stock Units	(2)	08/01/2025		M			7,955	(3)	(3)	Class A Common Stock	7,955	$0	2,941	D

Explanation of Responses:

1. Represents the conversion upon vesting of restricted stock units (RSUs) into Class A Common Stock. On August 1, 2025, the reporting person was granted 10,896 RSUs, of which 7,955 vested upon the date of grant. The vested RSUs which converted on August 1, 2025 are reported in Table II on this Form 4.

2. Each restricted stock unit is the economic equivalent of one share of Sidus Space, Inc.'s Class A Common Stock.

3. On August 1, 2025, the reporting person was granted 10,896 RSUs, of which 7,955 vested upon the date of grant and 735 vest on each of October 1, 2025, January 1, 2026, April 1, 2026 and July 1, 2026. The Class A Common Stock into which such vested RSUs converted on August 1, 2025 is reported in Table I on this Form 4.

	/s/ Dana Kilborne	10/02/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Dana S. Kilborne report on Form 4/A for SIDU?

The report discloses a grant of 10,896 RSUs on 08/01/2025, with 7,955 of those RSUs vesting and converting to Class A Common Stock on the grant date at a reported price of $0.

How many RSUs vested immediately and how many remain unvested?

7,955 RSUs vested and converted on 08/01/2025; the filing shows the remaining RSUs vesting in installments of 735 on 10/01/2025, 01/01/2026, 04/01/2026, and 07/01/2026.

What is the economic effect of the RSUs reported in the Form 4/A?

Each RSU is the economic equivalent of one share of Sidus Space Class A Common Stock, and 7,955 shares converted on the grant date are now reported as beneficially owned by the reporting person.

Did the reporting person pay for the converted shares?

No purchase price is reported; the converted RSUs are listed at a price of $0 in the filing.

When was the Form 4/A signed and filed?

The signature on the filing is dated 10/02/2025 and documents the transactions dated 08/01/2025.