Leonardo Riera - 01 Oct 2025 Form 4 Insider Report for Sidus Space Inc. (SIDU)

Reporting relationship: Director
Issuer ticker: SIDU
Reported as of: 01 Oct 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Oct 2025, 16:29:06 UTC
Prior SEC filing: 02 Oct 2025
Source filing: View source filing
Reporting owner signature: /s/ Leonardo Riera

Key filing fact

Leonardo Riera filed Form 4 for Sidus Space Inc. (SIDU) on 02 Oct 2025.

Key facts

This page summarizes Leonardo Riera's Form 4 filing for Sidus Space Inc. (SIDU).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 02 Oct 2025, 16:29.

Change

Previous filing in this sequence was filed on 02 Oct 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001498933 Primary reporting owner

Riera Leonardo

Relationship: Director
Address: C/O SIDUS SPACE, INC., 150 N. SYKES CREEK PKWY, SUITE 200, MERRITT ISLAND,
Signature: /s/ Leonardo Riera
Signature date: 02 Oct 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SIDU transaction

Class A Common Stock

Options Exercise

Transaction value: $0
Shares: +490
Change %: +6.8%
Price: $0.000000
Shares after: 7,696
Date: 01 Oct 2025
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

SIDU transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -490
Change %: -25%
Price: $0.000000
Shares after: 1,471
Date: 01 Oct 2025
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 490
Exercise price
Footnotes: F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Represents the conversion upon vesting of restricted stock units (RSUs) into Class A Common Stock. On August 1, 2025, the reporting person was granted 9,167 RSUs, of which 7,206 vested upon the date of grant and 490 vested on October 1, 2025. The vested RSUs which converted on August 1, 2025 are reported in Table II on this Form 4.

Footnote F2

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

Footnote F3

On August 1, 2025, the reporting person was granted 9,167 RSUs, of which 7,206 vested upon the date of grant, 490 vested on October 1, 2025 and 490 vest on each of 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.