Winklevoss Tyler Howard

SEC source: 0001231919-26-001453 · form4-10142026_081034.xml · derivative · entry 2

Winklevoss Capital Fund, LLC · CIK 0002085726 · 10% owner

Winklevoss Treasury Investments, LLC · CIK 0002092602 · 10% owner

Winklevoss Tyler Howard · CIK 0002084694 · 10% owner

Winklevoss Cameron Howard · CIK 0002084695 · 10% owner

Winklevoss Capital Management, LLC · CIK 0002096657 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By Winklevoss Treasury Investments, LLC

Disclosed balance after: 97,229,007

Underlying: Common Stock · 4,938,801 shares

Expires not disclosed

F2 · derivative.exercise_date: The Pre-Funded Warrants have no expiration date and are exercisable immediately. Notwithstanding the foregoing, the Reporting Persons shall not be entitled to exercise the Pre-Funded Warrant if it would cause the aggregate number of shares of Common Stock beneficially owned by the Reporting Persons, their affiliates and any persons who are members of a Section 13(d) group with the Reporting Persons or their affiliates to exceed 19.99% of the total number of issued and outstanding shares of Common Stock of the Issuer following such exercise.

F2 · derivative.expiration_date: The Pre-Funded Warrants have no expiration date and are exercisable immediately. Notwithstanding the foregoing, the Reporting Persons shall not be entitled to exercise the Pre-Funded Warrant if it would cause the aggregate number of shares of Common Stock beneficially owned by the Reporting Persons, their affiliates and any persons who are members of a Section 13(d) group with the Reporting Persons or their affiliates to exceed 19.99% of the total number of issued and outstanding shares of Common Stock of the Issuer following such exercise.

F1 · ownership.nature: Securities are held by Winklevoss Treasury Investments, LLC ("WTI"), which is a wholly owned subsidiary of Winklevoss Capital Fund, LLC ("WCF"). Winklevoss Capital Management, LLC ("WCM") is the manager of WCF and Tyler Winklevoss and Cameron Winklevoss are the co-founders and managers of WCM. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its or his pecuniary interest therein.

SEC source: 0001231919-26-001453 · form4-10142026_081034.xml · nonDerivative · entry 1

Winklevoss Capital Fund, LLC · CIK 0002085726 · 10% owner

Winklevoss Treasury Investments, LLC · CIK 0002092602 · 10% owner

Winklevoss Tyler Howard · CIK 0002084694 · 10% owner

Winklevoss Cameron Howard · CIK 0002084695 · 10% owner

Winklevoss Capital Management, LLC · CIK 0002096657 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By Winklevoss Treasury Investments, LLC

Disclosed balance after: 29,793,414

F1 · ownership.nature: Securities are held by Winklevoss Treasury Investments, LLC ("WTI"), which is a wholly owned subsidiary of Winklevoss Capital Fund, LLC ("WCF"). Winklevoss Capital Management, LLC ("WCM") is the manager of WCF and Tyler Winklevoss and Cameron Winklevoss are the co-founders and managers of WCM. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its or his pecuniary interest therein.

SEC source: 0001231919-26-000951 · form4-08192026_100822.xml · derivative · entry 3

Winklevoss Capital Fund, LLC · CIK 0002085726 · 10% owner

Winklevoss Treasury Investments, LLC · CIK 0002092602 · 10% owner

Winklevoss Tyler Howard · CIK 0002084694 · 10% owner

Winklevoss Cameron Howard · CIK 0002084695 · 10% owner

Winklevoss Capital Management, LLC · CIK 0002096657 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By Winklevoss Treasury Investments, LLC

Disclosed balance after: 102,167,808

Underlying: Common Stock · 43,290,042 shares

Expires not disclosed

F3 · kind: Pursuant to an Asset Purchase Agreement dated August 17, 2026, WTI received Pre-Funded Warrants to purchase 43,290,042 shares of Common Stock as consideration for the sale of certain assets and rights.

F2 · derivative.exercise_date: The Pre-Funded Warrants have no expiration date and are exercisable immediately. Notwithstanding the foregoing, the Reporting Persons shall not be entitled to exercise the Pre-Funded Warrant if it would cause the aggregate number of shares of Common Stock beneficially owned by the Reporting Persons, their affiliates and any persons who are members of a Section 13(d) group with the Reporting Persons or their affiliates to exceed 19.99% of the total number of issued and outstanding shares of Common Stock of the Issuer following such exercise.

F2 · derivative.expiration_date: The Pre-Funded Warrants have no expiration date and are exercisable immediately. Notwithstanding the foregoing, the Reporting Persons shall not be entitled to exercise the Pre-Funded Warrant if it would cause the aggregate number of shares of Common Stock beneficially owned by the Reporting Persons, their affiliates and any persons who are members of a Section 13(d) group with the Reporting Persons or their affiliates to exceed 19.99% of the total number of issued and outstanding shares of Common Stock of the Issuer following such exercise.

F1 · ownership.nature: Securities are held by Winklevoss Treasury Investments, LLC ("WTI"), which is a wholly owned subsidiary of Winklevoss Capital Fund, LLC ("WCF"). Winklevoss Capital Management, LLC ("WCM") is the manager of WCF and Tyler Winklevoss and Cameron Winklevoss are the co-founders and managers of WCM. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its or his pecuniary interest therein.

SEC source: 0001231919-26-000951 · form4-08192026_100822.xml · derivative · entry 2

Winklevoss Capital Fund, LLC · CIK 0002085726 · 10% owner

Winklevoss Treasury Investments, LLC · CIK 0002092602 · 10% owner

Winklevoss Tyler Howard · CIK 0002084694 · 10% owner

Winklevoss Cameron Howard · CIK 0002084695 · 10% owner

Winklevoss Capital Management, LLC · CIK 0002096657 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By Winklevoss Treasury Investments, LLC

Disclosed balance after: 58,877,766

Underlying: Common Stock · 16,570,852 shares

Expires not disclosed

F2 · derivative.exercise_date: The Pre-Funded Warrants have no expiration date and are exercisable immediately. Notwithstanding the foregoing, the Reporting Persons shall not be entitled to exercise the Pre-Funded Warrant if it would cause the aggregate number of shares of Common Stock beneficially owned by the Reporting Persons, their affiliates and any persons who are members of a Section 13(d) group with the Reporting Persons or their affiliates to exceed 19.99% of the total number of issued and outstanding shares of Common Stock of the Issuer following such exercise.

F2 · derivative.expiration_date: The Pre-Funded Warrants have no expiration date and are exercisable immediately. Notwithstanding the foregoing, the Reporting Persons shall not be entitled to exercise the Pre-Funded Warrant if it would cause the aggregate number of shares of Common Stock beneficially owned by the Reporting Persons, their affiliates and any persons who are members of a Section 13(d) group with the Reporting Persons or their affiliates to exceed 19.99% of the total number of issued and outstanding shares of Common Stock of the Issuer following such exercise.

F1 · ownership.nature: Securities are held by Winklevoss Treasury Investments, LLC ("WTI"), which is a wholly owned subsidiary of Winklevoss Capital Fund, LLC ("WCF"). Winklevoss Capital Management, LLC ("WCM") is the manager of WCF and Tyler Winklevoss and Cameron Winklevoss are the co-founders and managers of WCM. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its or his pecuniary interest therein.

SEC source: 0001231919-26-000951 · form4-08192026_100822.xml · nonDerivative · entry 1

Winklevoss Capital Fund, LLC · CIK 0002085726 · 10% owner

Winklevoss Treasury Investments, LLC · CIK 0002092602 · 10% owner

Winklevoss Tyler Howard · CIK 0002084694 · 10% owner

Winklevoss Cameron Howard · CIK 0002084695 · 10% owner

Winklevoss Capital Management, LLC · CIK 0002096657 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By Winklevoss Treasury Investments, LLC

Disclosed balance after: 24,854,613

F1 · ownership.nature: Securities are held by Winklevoss Treasury Investments, LLC ("WTI"), which is a wholly owned subsidiary of Winklevoss Capital Fund, LLC ("WCF"). Winklevoss Capital Management, LLC ("WCM") is the manager of WCF and Tyler Winklevoss and Cameron Winklevoss are the co-founders and managers of WCM. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its or his pecuniary interest therein.

SEC source: 0001193125-26-229108 · ownership.xml · nonDerivative · entry 1

Winklevoss Capital Fund, LLC · CIK 0002085726 · Director · 10% owner

Winklevoss Cameron Howard · CIK 0002084695 · Director · 10% owner

Winklevoss Tyler Howard · CIK 0002084694 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,142,857

F1 · shares: On May 14, 2026, Winklevoss Capital Fund, LLC ("WCF") purchased from the Issuer, in a private placement, 7,142,857 shares of Class A Common Stock, at a price of $14 per share, for aggregate proceeds to the Issuer of $100 million.

F2 · ownership.direct: Messrs. Tyler Winklevoss and Cameron Winklevoss are the Co-Founders and Principals of WCF, as well as the Managers of the managing entity of WCF, and exercise shared voting and dispositive control over the shares held by WCF. As a result, each of Messrs. Tyler Winklevoss and Cameron Winklevoss may be deemed the beneficial owner of the securities beneficially owned by WCF and disclaims such beneficial ownership except to the extent of their respective pecuniary interest therein.

SEC source: 0001231919-25-000542 · form4-11212025_091108.xml · derivative · entry 1

Winklevoss Capital Fund, LLC · CIK 0002085726 · 10% owner

Winklevoss Treasury Investments, LLC · CIK 0002092602 · 10% owner

Winklevoss Tyler Howard · CIK 0002084694 · 10% owner

Winklevoss Cameron Howard · CIK 0002084695 · 10% owner

Winklevoss Capital Management, LLC · CIK 0002096657 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By Winklevoss Treasury Investments, LLC

Disclosed balance after: 57,182,378

Underlying: Common Stock · 5,616,906 shares

Expires 2035-10-08

F1 · kind: Represents an assignment of Warrants for no additional consideration.

F2 · derivative.exercise_date: The Warrants are exercisable immediately. Notwithstanding the foregoing, the Reporting Persons shall not be entitled to exercise the Warrants to the extent that such exercise would cause the aggregate number of shares of Common Stock beneficially owned by the Reporting Persons, their affiliates and any persons who are members of a Section 13(d) group with the Reporting Persons or their affiliates to exceed 19.99% of the total number of issued and outstanding shares of Common Stock of the Issuer following such exercise.

F3 · ownership.nature: Securities are held by Winklevoss Treasury Investments, LLC ("WTI"), which is a wholly owned subsidiary of Winklevoss Capital Fund, LLC ("WCF"). Winklevoss Capital Management, LLC ("WCM") is the manager of WCF and Tyler Winklevoss and Cameron Winklevoss are the co-founders and managers of WCM. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its or his pecuniary interest therein.

SEC source: 0001104659-25-090155 · tm2526178-5_4seq1.xml · nonDerivative · entry 1

Gemini Space Station, LLC · CIK 0001896610 · 10% owner

Winklevoss Tyler Howard · CIK 0002084694 · Director · Chief Executive Officer · 10% owner

Winklevoss Cameron Howard · CIK 0002084695 · Director · President · 10% owner

Winklevoss Capital Fund, LLC · CIK 0002085726 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · shares: Gemini Space Station, LLC was the sole stockholder of the Issuer and held a nominal amount of common stock of the Issuer, which was cancelled in connection with the reorganizational transactions consummated immediately prior to or upon closing of the Issuer's initial public offering on September 15, 2025.

F2 · ownership.direct: Messrs. Tyler Winklevoss and Cameron Winklevoss are the Co-Founders and Principals of Winklevoss Capital Fund, LLC, as well as the Managers of the managing entity of Winklevoss Capital Fund, LLC. As a result, each of Messrs. Tyler Winklevoss and Cameron Winklevoss may be deemed the beneficial owner of the securities beneficially owned by Winklevoss Capital Fund, LLC and disclaims such beneficial ownership except to the extent of their respective pecuniary interest therein.

SEC source: 0001104659-25-090156 · tm2526178-7_4seq1.xml · derivative · entry 3

Winklevoss Tyler Howard · CIK 0002084694 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Winklevoss Capital Fund, LLC

Disclosed balance after: 75,126,784

Underlying: Class A Common Stock · 41,771 shares

Expires not disclosed

F2 · derivative.exercise_price: Shares of the Issuer's Class B common stock may be exchanged at any time, at the option of the holder, for newly issued shares of the Issuer's Class A common stock, on a one-for-one basis. All outstanding shares of Class B common stock will convert automatically into shares of Class A common stock upon the occurrence of certain events. Shares of Class B common stock do not otherwise expire.

F5 · price: In connection with the Issuer's IPO and related reorganizational transactions, WCF received 41,771 shares of Class B common stock in exchange for its corresponding incentive profits interest units in Gemini Astronaut Corps, LLC.

F2 · derivative.exercise_date: Shares of the Issuer's Class B common stock may be exchanged at any time, at the option of the holder, for newly issued shares of the Issuer's Class A common stock, on a one-for-one basis. All outstanding shares of Class B common stock will convert automatically into shares of Class A common stock upon the occurrence of certain events. Shares of Class B common stock do not otherwise expire.

F2 · derivative.expiration_date: Shares of the Issuer's Class B common stock may be exchanged at any time, at the option of the holder, for newly issued shares of the Issuer's Class A common stock, on a one-for-one basis. All outstanding shares of Class B common stock will convert automatically into shares of Class A common stock upon the occurrence of certain events. Shares of Class B common stock do not otherwise expire.

F4 · ownership.nature: Messrs. Tyler Winklevoss and Cameron Winklevoss are the Co-Founders and Principals of WCF, as well as the Managers of the managing entity of WCF, and exercise shared voting and dispositive control over the shares held by WCF. The reporting person disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein

SEC source: 0001104659-25-090156 · tm2526178-7_4seq1.xml · derivative · entry 2

Winklevoss Tyler Howard · CIK 0002084694 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Winklevoss Capital Fund, LLC

Disclosed balance after: 75,085,013

Underlying: Class A Common Stock · 75,085,013 shares

Expires not disclosed

F2 · derivative.exercise_price: Shares of the Issuer's Class B common stock may be exchanged at any time, at the option of the holder, for newly issued shares of the Issuer's Class A common stock, on a one-for-one basis. All outstanding shares of Class B common stock will convert automatically into shares of Class A common stock upon the occurrence of certain events. Shares of Class B common stock do not otherwise expire.

F3 · price: On September 15, 2025, immediately prior to the consummation of the Issuer's initial public offering ("IPO"), Messrs. Tyler Winklevoss and Cameron Winklevoss received an aggregate of 75,085,013 shares of Class B common stock of the Issuer in exchange for their interests in units of Gemini Space Station, LLC, a Nevada limited liability company, which is considered the predecessor of the Issuer for accounting purposes, including the units automatically converted from (i) approximately $228.0 million in aggregate principal (plus accrued and unpaid interest thereon) in the Issuer's certain convertible notes previously issued to Winklevoss Capital Fund, LLC ("WCF") and (ii) approximately $467.6 million in aggregate principal (plus accrued and unpaid interest thereon) in the Issuer's certain convertible term loans with WCF, each outstanding as of the closing date of the IPO.

F2 · derivative.exercise_date: Shares of the Issuer's Class B common stock may be exchanged at any time, at the option of the holder, for newly issued shares of the Issuer's Class A common stock, on a one-for-one basis. All outstanding shares of Class B common stock will convert automatically into shares of Class A common stock upon the occurrence of certain events. Shares of Class B common stock do not otherwise expire.

F2 · derivative.expiration_date: Shares of the Issuer's Class B common stock may be exchanged at any time, at the option of the holder, for newly issued shares of the Issuer's Class A common stock, on a one-for-one basis. All outstanding shares of Class B common stock will convert automatically into shares of Class A common stock upon the occurrence of certain events. Shares of Class B common stock do not otherwise expire.

F4 · ownership.nature: Messrs. Tyler Winklevoss and Cameron Winklevoss are the Co-Founders and Principals of WCF, as well as the Managers of the managing entity of WCF, and exercise shared voting and dispositive control over the shares held by WCF. The reporting person disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein

SEC source: 0001104659-25-090156 · tm2526178-7_4seq1.xml · derivative · entry 1

Winklevoss Tyler Howard · CIK 0002084694 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,182,731

Underlying: Class A Common Stock · 3,182,731 shares

Expires 2035-09-11

F1 · derivative.exercise_date: These performance-based stock options vest based on the achievement of both (i) service-based vesting conditions that are satisfied in two equal installments on August 15, 2028 and 2030 and (ii) performance-based vesting conditions that are satisfied in four equal installments upon the achievement of respective stock price hurdles.