Kinsella Matthew John

SEC source: 0002109180-26-000008 · form4-05282026_120541.xml · nonDerivative · entry 6

Kinsella Matthew John · CIK 0002109180 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 336,197

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.44 to $15.71 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 · ownership.nature: Held directly by Kinsella Investment Holdings, LLC. Mr. Kinsella may be deemed to beneficially own shares of Kinsella Investment Holdings, LLC by virtue of his voting power and investment power over such shares.

SEC source: 0002109180-26-000008 · form4-05282026_120541.xml · derivative · entry 9

Kinsella Matthew John · CIK 0002109180 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,404,556

Underlying: Common Stock · 545,824 shares

Expires 2034-06-05

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F9 · derivative.exercise_date: Fully vested.

SEC source: 0002109180-26-000008 · form4-05282026_120541.xml · nonDerivative · entry 5

Kinsella Matthew John · CIK 0002109180 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 448,262

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.675 to $17.995 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 · ownership.nature: Held directly by Kinsella Investment Holdings, LLC. Mr. Kinsella may be deemed to beneficially own shares of Kinsella Investment Holdings, LLC by virtue of his voting power and investment power over such shares.

SEC source: 0002109180-26-000008 · form4-05282026_120541.xml · nonDerivative · entry 4

Kinsella Matthew John · CIK 0002109180 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.83 to $18.1651 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0002109180-26-000008 · form4-05282026_120541.xml · nonDerivative · entry 3

Kinsella Matthew John · CIK 0002109180 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,278

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.83 to $17.8293 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0002109180-26-000008 · form4-05282026_120541.xml · nonDerivative · entry 2

Kinsella Matthew John · CIK 0002109180 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 470,143

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.83 to $16.8226 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0002109180-26-000008 · form4-05282026_120541.xml · nonDerivative · entry 1

Kinsella Matthew John · CIK 0002109180 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 545,824

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0002109180-26-000006 · form4-02182026_010217.xml · derivative · entry 6

Kinsella Matthew John · CIK 0002109180 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 481,727

Underlying: Common Stock · 481,727 shares

Expires 2036-02-12

F8 · derivative.exercise_date: 1/48th of the shares underlying the option vest in equal monthly installments commencing on February 17, 2026, subject to the Reporting Person's continued service through each vesting date.

SEC source: 0002109180-26-000006 · form4-02182026_010217.xml · derivative · entry 5

Kinsella Matthew John · CIK 0002109180 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,889,829

Underlying: Common Stock · 1,889,829 shares

Expires 2034-06-05

F1 · kind: Received pursuant to the Agreement and Plan of Merger and Reorganization, dated as of September 8, 2025, by and among Churchill Capital Corp X, a Delaware corporation now known as Infleqtion, Inc. ("Acquiror"), AH Merger Sub I, Inc., a direct, wholly-owned Subsidiary of Acquiror ("Merger Sub I"), AH Merger Sub II, LLC, a direct, wholly-owned Subsidiary of Acquiror ("Merger Sub II" and together with Merger Sub I, "Merger Subs") and ColdQuanta, Inc. (the "Company") pursuant to which (a) Merger Sub I was merged with and into the Company, and the Company continued as the surviving corporation and immediately thereafter, (b) the Company merged with and into Merger Sub II, and Merger Sub II became the surviving company and continued in existence as a wholly-owned subsidiary of Acquiror (collectively, the "Mergers"). In connection with the Mergers, Acquiror changed its name to Infleqtion, Inc. (the "Issuer").

F6 · price: Pursuant to the Mergers, the legacy stock options of the Company were automatically converted into the right to receive stock options of the Issuer with the same terms and conditions.

F7 · derivative.exercise_date: Fully vested.

F2 · ownership.nature: Held directly by Kinsella Investment Holdings, LLC. Mr. Kinsella may be deemed to beneficially own shares of Kinsella Investment Holdings, LLC by virtue of his voting power and investment power over such shares.

SEC source: 0002109180-26-000006 · form4-02182026_010217.xml · derivative · entry 4

Kinsella Matthew John · CIK 0002109180 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,950,380

Underlying: Common Stock · 5,950,380 shares

Expires 2034-06-05

F1 · kind: Received pursuant to the Agreement and Plan of Merger and Reorganization, dated as of September 8, 2025, by and among Churchill Capital Corp X, a Delaware corporation now known as Infleqtion, Inc. ("Acquiror"), AH Merger Sub I, Inc., a direct, wholly-owned Subsidiary of Acquiror ("Merger Sub I"), AH Merger Sub II, LLC, a direct, wholly-owned Subsidiary of Acquiror ("Merger Sub II" and together with Merger Sub I, "Merger Subs") and ColdQuanta, Inc. (the "Company") pursuant to which (a) Merger Sub I was merged with and into the Company, and the Company continued as the surviving corporation and immediately thereafter, (b) the Company merged with and into Merger Sub II, and Merger Sub II became the surviving company and continued in existence as a wholly-owned subsidiary of Acquiror (collectively, the "Mergers"). In connection with the Mergers, Acquiror changed its name to Infleqtion, Inc. (the "Issuer").

F6 · price: Pursuant to the Mergers, the legacy stock options of the Company were automatically converted into the right to receive stock options of the Issuer with the same terms and conditions.

F5 · derivative.exercise_date: 25% of the stock option vested and became exercisable on April 5, 2025, and thereafter vests as to 1/48th of the shares in equal monthly installments, until such time as the option is 100% vested, subject to the continuing employment of the Reporting Person on each vesting date. 2,275,146 of such shares accelerated and vested upon the closing of the Mergers. The option may be early exercised by the Reporting Person.

SEC source: 0002109180-26-000006 · form4-02182026_010217.xml · nonDerivative · entry 3

Kinsella Matthew John · CIK 0002109180 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 101,882

F1 · kind: Received pursuant to the Agreement and Plan of Merger and Reorganization, dated as of September 8, 2025, by and among Churchill Capital Corp X, a Delaware corporation now known as Infleqtion, Inc. ("Acquiror"), AH Merger Sub I, Inc., a direct, wholly-owned Subsidiary of Acquiror ("Merger Sub I"), AH Merger Sub II, LLC, a direct, wholly-owned Subsidiary of Acquiror ("Merger Sub II" and together with Merger Sub I, "Merger Subs") and ColdQuanta, Inc. (the "Company") pursuant to which (a) Merger Sub I was merged with and into the Company, and the Company continued as the surviving corporation and immediately thereafter, (b) the Company merged with and into Merger Sub II, and Merger Sub II became the surviving company and continued in existence as a wholly-owned subsidiary of Acquiror (collectively, the "Mergers"). In connection with the Mergers, Acquiror changed its name to Infleqtion, Inc. (the "Issuer").

F1 · price: Received pursuant to the Agreement and Plan of Merger and Reorganization, dated as of September 8, 2025, by and among Churchill Capital Corp X, a Delaware corporation now known as Infleqtion, Inc. ("Acquiror"), AH Merger Sub I, Inc., a direct, wholly-owned Subsidiary of Acquiror ("Merger Sub I"), AH Merger Sub II, LLC, a direct, wholly-owned Subsidiary of Acquiror ("Merger Sub II" and together with Merger Sub I, "Merger Subs") and ColdQuanta, Inc. (the "Company") pursuant to which (a) Merger Sub I was merged with and into the Company, and the Company continued as the surviving corporation and immediately thereafter, (b) the Company merged with and into Merger Sub II, and Merger Sub II became the surviving company and continued in existence as a wholly-owned subsidiary of Acquiror (collectively, the "Mergers"). In connection with the Mergers, Acquiror changed its name to Infleqtion, Inc. (the "Issuer").

F4 · ownership.nature: Held directly by The John R. Kinsella Revocable Living Trust, of which the Reporting Person is a trustee. Mr. Kinsella may be deemed to beneficially own shares of The John R. Kinsella Revocable Living Trust by virtue of his voting power and investment power over such shares.

SEC source: 0002109180-26-000006 · form4-02182026_010217.xml · nonDerivative · entry 2

Kinsella Matthew John · CIK 0002109180 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 34,740

F1 · kind: Received pursuant to the Agreement and Plan of Merger and Reorganization, dated as of September 8, 2025, by and among Churchill Capital Corp X, a Delaware corporation now known as Infleqtion, Inc. ("Acquiror"), AH Merger Sub I, Inc., a direct, wholly-owned Subsidiary of Acquiror ("Merger Sub I"), AH Merger Sub II, LLC, a direct, wholly-owned Subsidiary of Acquiror ("Merger Sub II" and together with Merger Sub I, "Merger Subs") and ColdQuanta, Inc. (the "Company") pursuant to which (a) Merger Sub I was merged with and into the Company, and the Company continued as the surviving corporation and immediately thereafter, (b) the Company merged with and into Merger Sub II, and Merger Sub II became the surviving company and continued in existence as a wholly-owned subsidiary of Acquiror (collectively, the "Mergers"). In connection with the Mergers, Acquiror changed its name to Infleqtion, Inc. (the "Issuer").

F1 · price: Received pursuant to the Agreement and Plan of Merger and Reorganization, dated as of September 8, 2025, by and among Churchill Capital Corp X, a Delaware corporation now known as Infleqtion, Inc. ("Acquiror"), AH Merger Sub I, Inc., a direct, wholly-owned Subsidiary of Acquiror ("Merger Sub I"), AH Merger Sub II, LLC, a direct, wholly-owned Subsidiary of Acquiror ("Merger Sub II" and together with Merger Sub I, "Merger Subs") and ColdQuanta, Inc. (the "Company") pursuant to which (a) Merger Sub I was merged with and into the Company, and the Company continued as the surviving corporation and immediately thereafter, (b) the Company merged with and into Merger Sub II, and Merger Sub II became the surviving company and continued in existence as a wholly-owned subsidiary of Acquiror (collectively, the "Mergers"). In connection with the Mergers, Acquiror changed its name to Infleqtion, Inc. (the "Issuer").

F3 · ownership.nature: Held directly by The John R. Kinsella Children's Trust, of which the Reporting Person is co-trustee. Mr. Kinsella may be deemed to beneficially own shares of The John R. Kinsella Children's Trust by virtue of his voting power and investment power over such shares.

SEC source: 0002109180-26-000006 · form4-02182026_010217.xml · nonDerivative · entry 1

Kinsella Matthew John · CIK 0002109180 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 560,327

F1 · kind: Received pursuant to the Agreement and Plan of Merger and Reorganization, dated as of September 8, 2025, by and among Churchill Capital Corp X, a Delaware corporation now known as Infleqtion, Inc. ("Acquiror"), AH Merger Sub I, Inc., a direct, wholly-owned Subsidiary of Acquiror ("Merger Sub I"), AH Merger Sub II, LLC, a direct, wholly-owned Subsidiary of Acquiror ("Merger Sub II" and together with Merger Sub I, "Merger Subs") and ColdQuanta, Inc. (the "Company") pursuant to which (a) Merger Sub I was merged with and into the Company, and the Company continued as the surviving corporation and immediately thereafter, (b) the Company merged with and into Merger Sub II, and Merger Sub II became the surviving company and continued in existence as a wholly-owned subsidiary of Acquiror (collectively, the "Mergers"). In connection with the Mergers, Acquiror changed its name to Infleqtion, Inc. (the "Issuer").

F1 · price: Received pursuant to the Agreement and Plan of Merger and Reorganization, dated as of September 8, 2025, by and among Churchill Capital Corp X, a Delaware corporation now known as Infleqtion, Inc. ("Acquiror"), AH Merger Sub I, Inc., a direct, wholly-owned Subsidiary of Acquiror ("Merger Sub I"), AH Merger Sub II, LLC, a direct, wholly-owned Subsidiary of Acquiror ("Merger Sub II" and together with Merger Sub I, "Merger Subs") and ColdQuanta, Inc. (the "Company") pursuant to which (a) Merger Sub I was merged with and into the Company, and the Company continued as the surviving corporation and immediately thereafter, (b) the Company merged with and into Merger Sub II, and Merger Sub II became the surviving company and continued in existence as a wholly-owned subsidiary of Acquiror (collectively, the "Mergers"). In connection with the Mergers, Acquiror changed its name to Infleqtion, Inc. (the "Issuer").

F2 · ownership.nature: Held directly by Kinsella Investment Holdings, LLC. Mr. Kinsella may be deemed to beneficially own shares of Kinsella Investment Holdings, LLC by virtue of his voting power and investment power over such shares.