SIDU · Sidus Space Inc.

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

On July 1, 2026, the reporting person was granted 24,365 RSUs, of which 7,124 vested upon the date of grant and 17,241 vest on June 30, 2027. The vested RSUs which converted on July 1, 2026 are reported in Table II on this Form 4.

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

On July 1, 2026, the reporting person was granted 24,365 RSUs, of which 7,124 vested upon the date of grant and 17,241 vest on June 30, 2027. The vested RSUs which converted on July 1, 2026 are reported in Table II on this Form 4.

Represents the conversion upon vesting of restricted stock units (RSUs) into Class A Common Stock. On July 1, 2026, the reporting person was granted 21,990 RSUs, of which 4,749 vested upon the date of grant and 17,241 vest on June 30, 2027. The vested RSUs which converted on July 1, 2026 are reported in Table II on this Form 4.

Represents the conversion upon vesting of restricted stock units (RSUs) into Class A Common Stock. On July 1, 2026, the reporting person was granted 24,365 RSUs, of which 7,124 vested upon the date of grant and 17,241 vest on June 30, 2027. The vested RSUs which converted on July 1, 2026 are reported in Table II on this Form 4.

Represents the conversion upon vesting of restricted stock units (RSUs) into Class A Common Stock. On July 1, 2026, the reporting person was granted 47,655 RSUs, of which 16,621 vested upon the date of grant and 31,034 vest on June 30, 2027. The vested RSUs which converted on July 1, 2026 are reported in Table II on this Form 4.

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

On July 1, 2026, the reporting person was granted 21,990 RSUs, of which 4,749 vested upon the date of grant and 17,241 vest on June 30, 2027. The vested RSUs which converted on July 1, 2026 are reported in Table II on this Form 4.

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

On July 1, 2026, the reporting person was granted 19,288 RSUs, of which 2,047 vested upon the date of grant and 17,241 vest on June 30, 2027. The vested RSUs which converted on July 1, 2026 are reported in Table II on this Form 4.

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

On July 1, 2026, the reporting person was granted 21,990 RSUs, of which 4,749 vested upon the date of grant and 17,241 vest on June 30, 2027. The vested RSUs which converted on July 1, 2026 are reported in Table II on this Form 4.

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

On July 1, 2026, the reporting person was granted 47,655 RSUs, of which 16,621 vested upon the date of grant and 31,034 vest on June 30, 2027. The vested RSUs which converted on July 1, 2026 are reported in Table II on this Form 4.

Represents the conversion upon vesting of restricted stock units (RSUs) into Class A Common Stock. On July 1, 2026, the reporting person was granted 19,288 RSUs, of which 2,047 vested upon the date of grant and 17,241 vest on June 30, 2027. The vested RSUs which converted on July 1, 2026 are reported in Table II on this Form 4.

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

On July 1, 2026, the reporting person was granted 47,655 RSUs, of which 16,621 vested upon the date of grant and 31,034 vest on June 30, 2027. The vested RSUs which converted on July 1, 2026 are reported in Table II on this Form 4.

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

On July 1, 2026, the reporting person was granted 19,288 RSUs, of which 2,047 vested upon the date of grant and 17,241 vest on June 30, 2027. The vested RSUs which converted on July 1, 2026 are reported in Table II on this Form 4.

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

On July 1, 2026, the reporting person was granted 17,241 RSUs, all of which vest on June 30, 2027.

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

On August 1, 2025, the reporting person was granted 8,936 RSUs, of which 6,975 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.

Represents the conversion upon vesting of restricted stock units (RSUs) into Class A Common Stock. On August 1, 2025, the reporting person was granted 15,686 RSUs, of which 8,823 vested upon the date of grant and 1,715 vested on October 1, 2025. The vested RSUs which converted on August 1, 2025 are reported in Table II on this Form 4.

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

On August 1, 2025, the reporting person was granted 15,686 RSUs, of which 8,823 vested upon the date of grant, 1,715 vested on October 1, 2025 and 1,715 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.

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

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.

Each restricted stock unit is the economic equivalent of one share of Sidus Space, Inc.'s 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, 735 vested on October 1, 2025 and 735 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.

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

On August 1, 2025, the reporting person was granted 5,882 RSUs, of which 2,941 vested upon the date of grant, 735 vested on October 1, 2025 and 735 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.

Represents the conversion upon vesting of restricted stock units (RSUs) into Class A Common Stock. On August 1, 2025, the reporting person was granted 8,936 RSUs, of which 6,975 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.

Represents the conversion upon vesting of restricted stock units (RSUs) into Class A Common Stock. On August 1, 2025, the reporting person was granted 5,882 RSUs, of which 2,941 vested upon the date of grant and 735 vested on October 1, 2025. The vested RSUs which converted on August 1, 2025 are reported in Table II on this Form 4.

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 and 735 vested on October 1, 2025. The vested RSUs which converted on August 1, 2025 are reported in Table II on this Form 4.

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

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

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

On August 1, 2025, the reporting person was granted 15,686 RSUs, of which 8,823 vested upon the date of grant and 1,715 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.

Represents the conversion upon vesting of restricted stock units (RSUs) into Class A Common Stock. On August 1, 2025, the reporting person was granted 15,686 RSUs, of which 8,823 vested upon the date of grant. The vested RSUs which converted on August 1, 2025 are reported in Table II on this Form 4.

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

On August 1, 2025, the reporting person was granted 5,882 RSUs, of which 2,941 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.

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

On August 1, 2025, the reporting person was granted 15,686 RSUs, of which 8,823 vested upon the date of grant and 1,715 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.

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. The vested RSUs which converted on August 1, 2025 are reported in Table II on this Form 4.

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

Represents the conversion upon vesting of restricted stock units (RSUs) into Class A Common Stock. On August 1, 2025, the reporting person was granted 8,936 RSUs, of which 6,975 vested upon the date of grant. The vested RSUs which converted on August 1, 2025 are reported in Table II on this Form 4.

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

On August 1, 2025, the reporting person was granted 5,882 RSUs, of which 2,941 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.

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

On August 1, 2025, the reporting person was granted 8,936 RSUs, of which 6,975 vested upon the date of grant and 490 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.

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.

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

Represents the conversion upon vesting of restricted stock units (RSUs) into Class A Common Stock. On August 1, 2025, the reporting person was granted 5,882 RSUs, of which 2,941 vested upon the date of grant. The vested RSUs which converted on August 1, 2025 are reported in Table II on this Form 4.

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

On August 1, 2025, the reporting person was granted 8,936 RSUs, of which 6,975 vested upon the date of grant and 490 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.

10,000 options shall vest on each of the 1st, 2nd and 3rd anniversary of the date of grant.

Each restricted stock unit represents a contingent right to receive one share of Class A common stock of Sidus Space, Inc.

The restricted stock units vest on the third anniversary of the grant date.

Each restricted stock unit represents a contingent right to receive one share of Class A common stock of Sidus Space, Inc.

The restricted stock units vest on the third anniversary of the grant date.

Stock options vest equally on each of February 1, 2026, 2027 and 2028.

These shares represent restricted stock units ("RSUs") granted under the Sidus Space, Inc. 2021 Omnibus Equity Incentive Plan, with each RSU representing a right to receive one share of the Issuer's Class A Common Stock. The RSUs is subject to time-based vesting with all of the RSUs vesting on the three year anniversary of the grant date, and subject to the Reporting Person's continuous service on each vesting date.

Includes 5,000 shares of Class A Common Stock

Shares were issued as part of salary compensation.