INFQ

SEC source: 0001012975-26-000486 · form4.xml · nonDerivative · entry 5

SINGER DAVID B · CIK 0001240366 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 7,554,800

F5 · ownership.nature: Held directly by Maverick Ventures Investment Fund, L.P. ("Maverick Ventures Fund"). Maverick Ventures is the general partner of Maverick Ventures Fund.

F8 · ownership.nature: The Reporting Person disclaims, for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended, beneficial ownership of these securities, except to the extent of his pecuniary interest therein.

SEC source: 0001012975-26-000486 · form4.xml · nonDerivative · entry 4

SINGER DAVID B · CIK 0001240366 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 137,795

F4 · ownership.nature: Held directly by Maverick Designated Investments Fund, L.P. ("MDI"). The Reporting Person may be deemed to have a pecuniary interest in such securities by virtue of his indirect limited partner interest in MDI.

F8 · ownership.nature: The Reporting Person disclaims, for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended, beneficial ownership of these securities, except to the extent of his pecuniary interest therein.

SEC source: 0001012975-26-000486 · form4.xml · nonDerivative · entry 3

SINGER DAVID B · CIK 0001240366 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 4,784,711

F3 · ownership.nature: Held directly by Maverick Advisors Fund, L.P. ("Maverick Advisors Fund"). Maverick Capital Ventures, LLC ("Maverick Ventures") is the general partner of Maverick Advisors Fund. The Reporting Person is a managing partner of Maverick Ventures.

F8 · ownership.nature: The Reporting Person disclaims, for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended, beneficial ownership of these securities, except to the extent of his pecuniary interest therein.

SEC source: 0001012975-26-000486 · form4.xml · nonDerivative · entry 2

SINGER DAVID B · CIK 0001240366 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 35,450

F2 · ownership.nature: Held directly by Maverick Fund II, Ltd. ("Maverick Fund II"). The Reporting Person may be deemed to have a pecuniary interest in such securities by virtue of his limited partner interest in Maverick Fund II.

F8 · ownership.nature: The Reporting Person disclaims, for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended, beneficial ownership of these securities, except to the extent of his pecuniary interest therein.

SEC source: 0001012975-26-000486 · form4.xml · nonDerivative · entry 1

SINGER DAVID B · CIK 0001240366 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 19,761

F1 · ownership.nature: Held directly by Maverick Long Fund, Ltd. ("Maverick Long Fund"). The Reporting Person may be deemed to have a pecuniary interest in such securities by virtue of his limited partner interest in Maverick Long Fund.

F8 · ownership.nature: The Reporting Person disclaims, for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended, beneficial ownership of these securities, except to the extent of his pecuniary interest therein.

SEC source: 0002109273-26-000008 · form4-05052026_100521.xml · nonDerivative · entry 1

Hall Jason Dean · CIK 0002109273 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 211,864

F1 · shares: Represents a restricted stock unit ("RSU") award. 1/4th of the RSUs shall vest on November 10, 2026, and three forty-eighths (3/48ths) of the shares subject to the RSUs will vest in equal quarterly installments thereafter, subject to the Reporting Person's Continuous Service (as defined in the Issuer's 2026 Equity Incentive Plan) through each vesting date.

F2 · price: Each RSU represents a contingent right to receive one share of common stock of the Issuer.

SEC source: 0002108537-26-000008 · form4-05052026_100523.xml · nonDerivative · entry 1

Hart Ilan · CIK 0002108537 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 338,983

F1 · shares: Represents a restricted stock unit ("RSU") award. 1/4th of the RSUs shall vest on November 1, 2026, and three forty-eighths (3/48ths) of the shares subject to the RSUs will vest in equal quarterly installments thereafter, subject to the Reporting Person's Continuous Service (as defined in the Issuer's 2026 Equity Incentive Plan) through each vesting date.

F2 · price: Each RSU represents a contingent right to receive one share of common stock of the Issuer.

SEC source: 0001104659-26-048517 · tm2612667-1_4seq1.xml · nonDerivative · entry 6

Brous Tyler · CIK 0001827387 · Former 10% Owners(1)(2)

LCP Quantum Management, LLC · CIK 0002124020 · Former 10% Owner

LCP Quantum Management III, LLC · CIK 0002124019 · Former 10% Owner

LCP Quantum Partners, LLC · CIK 0002123979 · Former 10% Owner

LCP Quantum Partners II, LLC · CIK 0002123859 · Former 10% Owner

LCP Quantum Partners III, LLC · CIK 0001934290 · Former 10% Owner

LCP Quantum Partners IV, LLC · CIK 0002010937 · Former 10% Owner

LCP Quantum Partners V, LLC · CIK 0002049596 · Former 10% Owner

LCP Quantum Partners VI, LLC · CIK 0002120644 · Former 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 · kind: Tyler Brous is the Manager of each of LCP Quantum Management, LLC ("Management 1") and LCP Quantum Management III, LLC ("Management 3"). Management 1 or Management 3 is the Manager of each of the following investment funds (collectively with Tyler Brous, Management 1 and Management 3, the "Reporting Persons"): LCP Quantum Partners, LLC ("Partners 1"), LCP Quantum Partners II, LLC ("Partners 2"), LCP Quantum Partners III, LLC ("Partners 3"), LCP Quantum Partners IV, LLC ("Partners 4"), LCP Quantum Partners V, LLC ("Partners 5"), and LCP Quantum Partners VI, LLC ("Partners 6"). Tyler Brous had or shared voting and investment power with respect to the securities held directly by such investment funds and, indirectly, by Management 1 and Management 3, and the Reporting Persons were deemed to be 10% owners under Rule 16a-1(a)(1).

F2 · kind: The investment funds listed in footnote (1) were the direct holders of shares of the Issuer and have distributed such shares to their respective investors, pro rata and without consideration. As a result, the Reporting Persons are no longer deemed to be 10% owners and therefore are no longer subject to Section 16(a) with respect to securities of the Issuer.

F8 · kind: These shares were held directly by Partners 5 and distributed to its investors.

SEC source: 0001104659-26-048517 · tm2612667-1_4seq1.xml · nonDerivative · entry 5

Brous Tyler · CIK 0001827387 · Former 10% Owners(1)(2)

LCP Quantum Management, LLC · CIK 0002124020 · Former 10% Owner

LCP Quantum Management III, LLC · CIK 0002124019 · Former 10% Owner

LCP Quantum Partners, LLC · CIK 0002123979 · Former 10% Owner

LCP Quantum Partners II, LLC · CIK 0002123859 · Former 10% Owner

LCP Quantum Partners III, LLC · CIK 0001934290 · Former 10% Owner

LCP Quantum Partners IV, LLC · CIK 0002010937 · Former 10% Owner

LCP Quantum Partners V, LLC · CIK 0002049596 · Former 10% Owner

LCP Quantum Partners VI, LLC · CIK 0002120644 · Former 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 · kind: Tyler Brous is the Manager of each of LCP Quantum Management, LLC ("Management 1") and LCP Quantum Management III, LLC ("Management 3"). Management 1 or Management 3 is the Manager of each of the following investment funds (collectively with Tyler Brous, Management 1 and Management 3, the "Reporting Persons"): LCP Quantum Partners, LLC ("Partners 1"), LCP Quantum Partners II, LLC ("Partners 2"), LCP Quantum Partners III, LLC ("Partners 3"), LCP Quantum Partners IV, LLC ("Partners 4"), LCP Quantum Partners V, LLC ("Partners 5"), and LCP Quantum Partners VI, LLC ("Partners 6"). Tyler Brous had or shared voting and investment power with respect to the securities held directly by such investment funds and, indirectly, by Management 1 and Management 3, and the Reporting Persons were deemed to be 10% owners under Rule 16a-1(a)(1).

F2 · kind: The investment funds listed in footnote (1) were the direct holders of shares of the Issuer and have distributed such shares to their respective investors, pro rata and without consideration. As a result, the Reporting Persons are no longer deemed to be 10% owners and therefore are no longer subject to Section 16(a) with respect to securities of the Issuer.

F7 · kind: These shares were held directly by Partners 4 and distributed to its investors.

SEC source: 0001104659-26-048517 · tm2612667-1_4seq1.xml · nonDerivative · entry 4

Brous Tyler · CIK 0001827387 · Former 10% Owners(1)(2)

LCP Quantum Management, LLC · CIK 0002124020 · Former 10% Owner

LCP Quantum Management III, LLC · CIK 0002124019 · Former 10% Owner

LCP Quantum Partners, LLC · CIK 0002123979 · Former 10% Owner

LCP Quantum Partners II, LLC · CIK 0002123859 · Former 10% Owner

LCP Quantum Partners III, LLC · CIK 0001934290 · Former 10% Owner

LCP Quantum Partners IV, LLC · CIK 0002010937 · Former 10% Owner

LCP Quantum Partners V, LLC · CIK 0002049596 · Former 10% Owner

LCP Quantum Partners VI, LLC · CIK 0002120644 · Former 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 · kind: Tyler Brous is the Manager of each of LCP Quantum Management, LLC ("Management 1") and LCP Quantum Management III, LLC ("Management 3"). Management 1 or Management 3 is the Manager of each of the following investment funds (collectively with Tyler Brous, Management 1 and Management 3, the "Reporting Persons"): LCP Quantum Partners, LLC ("Partners 1"), LCP Quantum Partners II, LLC ("Partners 2"), LCP Quantum Partners III, LLC ("Partners 3"), LCP Quantum Partners IV, LLC ("Partners 4"), LCP Quantum Partners V, LLC ("Partners 5"), and LCP Quantum Partners VI, LLC ("Partners 6"). Tyler Brous had or shared voting and investment power with respect to the securities held directly by such investment funds and, indirectly, by Management 1 and Management 3, and the Reporting Persons were deemed to be 10% owners under Rule 16a-1(a)(1).

F2 · kind: The investment funds listed in footnote (1) were the direct holders of shares of the Issuer and have distributed such shares to their respective investors, pro rata and without consideration. As a result, the Reporting Persons are no longer deemed to be 10% owners and therefore are no longer subject to Section 16(a) with respect to securities of the Issuer.

F6 · kind: These shares were held directly by Partners 3 and distributed to its investors.

SEC source: 0001104659-26-048517 · tm2612667-1_4seq1.xml · nonDerivative · entry 3

Brous Tyler · CIK 0001827387 · Former 10% Owners(1)(2)

LCP Quantum Management, LLC · CIK 0002124020 · Former 10% Owner

LCP Quantum Management III, LLC · CIK 0002124019 · Former 10% Owner

LCP Quantum Partners, LLC · CIK 0002123979 · Former 10% Owner

LCP Quantum Partners II, LLC · CIK 0002123859 · Former 10% Owner

LCP Quantum Partners III, LLC · CIK 0001934290 · Former 10% Owner

LCP Quantum Partners IV, LLC · CIK 0002010937 · Former 10% Owner

LCP Quantum Partners V, LLC · CIK 0002049596 · Former 10% Owner

LCP Quantum Partners VI, LLC · CIK 0002120644 · Former 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 · kind: Tyler Brous is the Manager of each of LCP Quantum Management, LLC ("Management 1") and LCP Quantum Management III, LLC ("Management 3"). Management 1 or Management 3 is the Manager of each of the following investment funds (collectively with Tyler Brous, Management 1 and Management 3, the "Reporting Persons"): LCP Quantum Partners, LLC ("Partners 1"), LCP Quantum Partners II, LLC ("Partners 2"), LCP Quantum Partners III, LLC ("Partners 3"), LCP Quantum Partners IV, LLC ("Partners 4"), LCP Quantum Partners V, LLC ("Partners 5"), and LCP Quantum Partners VI, LLC ("Partners 6"). Tyler Brous had or shared voting and investment power with respect to the securities held directly by such investment funds and, indirectly, by Management 1 and Management 3, and the Reporting Persons were deemed to be 10% owners under Rule 16a-1(a)(1).

F2 · kind: The investment funds listed in footnote (1) were the direct holders of shares of the Issuer and have distributed such shares to their respective investors, pro rata and without consideration. As a result, the Reporting Persons are no longer deemed to be 10% owners and therefore are no longer subject to Section 16(a) with respect to securities of the Issuer.

F5 · kind: These shares were held directly by Partners 2 and distributed to its investors.

SEC source: 0001104659-26-048517 · tm2612667-1_4seq1.xml · nonDerivative · entry 2

Brous Tyler · CIK 0001827387 · Former 10% Owners(1)(2)

LCP Quantum Management, LLC · CIK 0002124020 · Former 10% Owner

LCP Quantum Management III, LLC · CIK 0002124019 · Former 10% Owner

LCP Quantum Partners, LLC · CIK 0002123979 · Former 10% Owner

LCP Quantum Partners II, LLC · CIK 0002123859 · Former 10% Owner

LCP Quantum Partners III, LLC · CIK 0001934290 · Former 10% Owner

LCP Quantum Partners IV, LLC · CIK 0002010937 · Former 10% Owner

LCP Quantum Partners V, LLC · CIK 0002049596 · Former 10% Owner

LCP Quantum Partners VI, LLC · CIK 0002120644 · Former 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 · kind: Tyler Brous is the Manager of each of LCP Quantum Management, LLC ("Management 1") and LCP Quantum Management III, LLC ("Management 3"). Management 1 or Management 3 is the Manager of each of the following investment funds (collectively with Tyler Brous, Management 1 and Management 3, the "Reporting Persons"): LCP Quantum Partners, LLC ("Partners 1"), LCP Quantum Partners II, LLC ("Partners 2"), LCP Quantum Partners III, LLC ("Partners 3"), LCP Quantum Partners IV, LLC ("Partners 4"), LCP Quantum Partners V, LLC ("Partners 5"), and LCP Quantum Partners VI, LLC ("Partners 6"). Tyler Brous had or shared voting and investment power with respect to the securities held directly by such investment funds and, indirectly, by Management 1 and Management 3, and the Reporting Persons were deemed to be 10% owners under Rule 16a-1(a)(1).

F2 · kind: The investment funds listed in footnote (1) were the direct holders of shares of the Issuer and have distributed such shares to their respective investors, pro rata and without consideration. As a result, the Reporting Persons are no longer deemed to be 10% owners and therefore are no longer subject to Section 16(a) with respect to securities of the Issuer.

F4 · kind: These shares were held directly by Partners 1 and distributed to its investors.

SEC source: 0001104659-26-048517 · tm2612667-1_4seq1.xml · nonDerivative · entry 1

Brous Tyler · CIK 0001827387 · Former 10% Owners(1)(2)

LCP Quantum Management, LLC · CIK 0002124020 · Former 10% Owner

LCP Quantum Management III, LLC · CIK 0002124019 · Former 10% Owner

LCP Quantum Partners, LLC · CIK 0002123979 · Former 10% Owner

LCP Quantum Partners II, LLC · CIK 0002123859 · Former 10% Owner

LCP Quantum Partners III, LLC · CIK 0001934290 · Former 10% Owner

LCP Quantum Partners IV, LLC · CIK 0002010937 · Former 10% Owner

LCP Quantum Partners V, LLC · CIK 0002049596 · Former 10% Owner

LCP Quantum Partners VI, LLC · CIK 0002120644 · Former 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 · kind: Tyler Brous is the Manager of each of LCP Quantum Management, LLC ("Management 1") and LCP Quantum Management III, LLC ("Management 3"). Management 1 or Management 3 is the Manager of each of the following investment funds (collectively with Tyler Brous, Management 1 and Management 3, the "Reporting Persons"): LCP Quantum Partners, LLC ("Partners 1"), LCP Quantum Partners II, LLC ("Partners 2"), LCP Quantum Partners III, LLC ("Partners 3"), LCP Quantum Partners IV, LLC ("Partners 4"), LCP Quantum Partners V, LLC ("Partners 5"), and LCP Quantum Partners VI, LLC ("Partners 6"). Tyler Brous had or shared voting and investment power with respect to the securities held directly by such investment funds and, indirectly, by Management 1 and Management 3, and the Reporting Persons were deemed to be 10% owners under Rule 16a-1(a)(1).

F2 · kind: The investment funds listed in footnote (1) were the direct holders of shares of the Issuer and have distributed such shares to their respective investors, pro rata and without consideration. As a result, the Reporting Persons are no longer deemed to be 10% owners and therefore are no longer subject to Section 16(a) with respect to securities of the Issuer.

F3 · kind: These shares were held directly by Partners 6 and distributed to its investors.

SEC source: 0001012975-26-000360 · form4.xml · derivative · entry 1

MAVERICK CAPITAL LTD · CIK 0000934639 · Director

MAVERICK CAPITAL MANAGEMENT LLC · CIK 0001286655 · Director

AINSLIE LEE S III · CIK 0001286654 · Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 33,928

Underlying: Common Stock · 33,928 shares

Expires 2036-04-10

F1 · derivative.exercise_date: The options vest in full on the earlier of (i) May 23, 2027 or (ii) the date of the Issuer's next annual meeting of stockholders following April 10, 2026, subject to David B. Singer's continued service through such date.

F2 · ownership.nature: Held directly by Mr. Singer. The economic benefit of the director compensation provided in respect of Mr. Singer's board service passes to Maverick Ventures Investment Fund, L.P. ("Maverick Ventures Fund") through a management fee offset. Maverick Capital, Ltd. ("Maverick") is a registered investment adviser under the Investment Advisers Act of 1940, as amended, and acts as the investment manager for Maverick Ventures Fund. Maverick may therefore be deemed to have an indirect pecuniary interest in the options reported herein. Each of the Reporting Persons disclaims beneficial ownership of the reported securities except to the extent of its or his pecuniary interest therein.

SEC source: 0001116268-26-000008 · form4-04142026_100418.xml · derivative · entry 1

JOHNSON KRISTINA M · CIK 0001116268 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,619

Underlying: Common Stock · 22,619 shares

Expires 2036-04-10

F1 · derivative.exercise_date: The options vest in full on the earlier of (i) May 23, 2027 or (ii) the date of the Issuer's next annual meeting of stockholders following April 10, 2026, subject to the Reporting Person's Continuous Service (as defined in the Issuer's 2026 Equity Incentive Plan) with the Issuer through such date. Vesting shall be subject to any acceleration provisions contained in the Issuer's Non-Employee Director Compensation Policy.

SEC source: 0001240366-26-000012 · form4-04142026_100419.xml · derivative · entry 1

SINGER DAVID B · CIK 0001240366 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,928

Underlying: Common Stock · 33,928 shares

Expires 2036-04-10

F1 · derivative.exercise_date: The options vest in full on the earlier of (i) May 23, 2027 or (ii) the date of the Issuer's next annual meeting of stockholders following April 10, 2026, subject to the Reporting Person's Continuous Service (as defined in the Issuer's 2026 Equity Incentive Plan) with the Issuer through such date. Vesting shall be subject to any acceleration provisions contained in the Issuer's Non-Employee Director Compensation Policy.

SEC source: 0001452681-26-000022 · form4-04142026_100431.xml · derivative · entry 1

Bjornholt James Eric · CIK 0001452681 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,619

Underlying: Common Stock · 22,619 shares

Expires 2036-04-10

F1 · derivative.exercise_date: The options vest in full on the earlier of (i) May 23, 2027 or (ii) the date of the Issuer's next annual meeting of stockholders following April 10, 2026, subject to the Reporting Person's Continuous Service (as defined in the Issuer's 2026 Equity Incentive Plan) with the Issuer through such date. Vesting shall be subject to any acceleration provisions contained in the Issuer's Non-Employee Director Compensation Policy.

SEC source: 0002108451-26-000008 · form4-04142026_100401.xml · derivative · entry 1

Meyerriecks Dawn Clawson · CIK 0002108451 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,928

Underlying: Common Stock · 33,928 shares

Expires 2036-04-10

F1 · derivative.exercise_date: The options vest in full on the earlier of (i) May 23, 2027 or (ii) the date of the Issuer's next annual meeting of stockholders following April 10, 2026, subject to the Reporting Person's Continuous Service (as defined in the Issuer's 2026 Equity Incentive Plan) with the Issuer through such date. Vesting shall be subject to any acceleration provisions contained in the Issuer's Non-Employee Director Compensation Policy.

SEC source: 0001291570-26-000008 · form4-04142026_100428.xml · derivative · entry 1

Lego Catherine P · CIK 0001291570 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,619

Underlying: Common Stock · 22,619 shares

Expires 2036-04-10

F1 · derivative.exercise_date: The options vest in full on the earlier of (i) May 23, 2027 or (ii) the date of the Issuer's next annual meeting of stockholders following April 10, 2026, subject to the Reporting Person's Continuous Service (as defined in the Issuer's 2026 Equity Incentive Plan) with the Issuer through such date. Vesting shall be subject to any acceleration provisions contained in the Issuer's Non-Employee Director Compensation Policy.

SEC source: 0001240366-26-000014 · form4a-04152026_040401.xml · derivative · entry 1

SINGER DAVID B · CIK 0001240366 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,928

Underlying: Common Stock · 33,928 shares

Expires 2036-04-10

F1 · derivative.exercise_date: The options vest in full on the earlier of (i) May 23, 2027 or (ii) the date of the Issuer's next annual meeting of stockholders following April 10, 2026, subject to the Reporting Person's Continuous Service (as defined in the Issuer's 2026 Equity Incentive Plan) with the Issuer through such date. Vesting shall be subject to any acceleration provisions contained in the Issuer's Non-Employee Director Compensation Policy.

F2 · ownership.direct: The economic benefit of the director compensation provided in respect of the Reporting Person's board service passes to Maverick Ventures Investment Fund, L.P. through a management fee offset. The Reporting Person disclaims, for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended, beneficial ownership of these securities, except to the extent of his pecuniary interest therein.

SEC source: 0001116268-26-000006 · form4-02182026_010257.xml · derivative · entry 2

JOHNSON KRISTINA M · CIK 0001116268 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 373,458

Underlying: Common Stock · 373,458 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").

F5 · 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.

F4 · derivative.exercise_date: The shares vest on a monthly basis beginning on June 1, 2024 with respect to 1/36 of the total number of shares until such time as the option is 100% vested, subject to the continuous service of the Reporting Person as of each such date.

SEC source: 0001116268-26-000006 · form4-02182026_010257.xml · nonDerivative · entry 1

JOHNSON KRISTINA M · CIK 0001116268 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 33,120

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").

F2 · shares: Represents shares of common stock of the Issuer issued upon conversion of the Company's Series C-1 preferred stock pursuant to the Mergers.

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 Catalyzer Ventures, LP Fund I ("Catalyzer"). Dr. Johnson may be deemed to beneficially own shares held by Catalyzer by virtue of her voting power and investment power over such shares.

SEC source: 0001240366-26-000010 · form4-02182026_010238.xml · derivative · entry 2

SINGER DAVID B · CIK 0001240366 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,950

Underlying: Common Stock · 29,950 shares

Expires 2036-02-12

F5 · derivative.exercise_date: 1/3rd of the shares underlying the option shall vest on February 17, 2027, and 1/36th of the total shares shall vest each month thereafter on the same day of the month, subject to the Reporting Person's continued service through each vesting date.

F4 · ownership.direct: The economic benefit of the director compensation provided in respect of the Reporting Person's board service passes to Maverick Ventures Investment Fund, L.P. through a management fee offset. The Reporting Person disclaims, for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended, beneficial ownership of these securities, except to the extent of his pecuniary interest therein.

SEC source: 0001240366-26-000010 · form4-02182026_010238.xml · derivative · entry 1

SINGER DAVID B · CIK 0001240366 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,740

Underlying: Common Stock · 34,740 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").

F3 · 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.

F2 · derivative.exercise_date: Fully vested.

F4 · ownership.direct: The economic benefit of the director compensation provided in respect of the Reporting Person's board service passes to Maverick Ventures Investment Fund, L.P. through a management fee offset. The Reporting Person disclaims, for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended, beneficial ownership of these securities, except to the extent of his pecuniary interest therein.

SEC source: 0002108451-26-000006 · form4-02182026_010218.xml · derivative · entry 1

Meyerriecks Dawn Clawson · CIK 0002108451 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 347,403

Underlying: Common Stock · 347,403 shares

Expires 2032-08-25

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").

F3 · 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 condition.

F2 · derivative.exercise_date: Fully vested.

SEC source: 0001452681-26-000010 · form4-02182026_010232.xml · derivative · entry 1

Bjornholt James Eric · CIK 0001452681 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,950

Underlying: Common Stock · 29,950 shares

Expires 2036-02-12

F1 · derivative.exercise_date: 1/3rd of the shares underlying the option shall vest on February 17, 2027, and 1/36th of the total shares shall vest each month thereafter on the same day of the month, subject to the Reporting Person's continued service through each vesting date.

SEC source: 0002108524-26-000006 · form4-02182026_010255.xml · derivative · entry 4

Lipman Paul · CIK 0002108524 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 115,597

Underlying: Common Stock · 115,597 shares

Expires 2036-02-12

F4 · 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: 0002108524-26-000006 · form4-02182026_010255.xml · derivative · entry 3

Lipman Paul · CIK 0002108524 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,767

Underlying: Common Stock · 14,767 shares

Expires 2034-03-10

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").

F3 · 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.

F2 · derivative.exercise_date: Fully vested.

SEC source: 0002108524-26-000006 · form4-02182026_010255.xml · derivative · entry 2

Lipman Paul · CIK 0002108524 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 486,364

Underlying: Common Stock · 486,364 shares

Expires 2031-08-24

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").

F3 · 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.

F2 · derivative.exercise_date: Fully vested.

SEC source: 0002108524-26-000006 · form4-02182026_010255.xml · derivative · entry 1

Lipman Paul · CIK 0002108524 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 555,844

Underlying: Common Stock · 555,844 shares

Expires 2031-04-19

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").

F3 · 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.

F2 · derivative.exercise_date: Fully vested.

SEC source: 0001291570-26-000006 · form4-02182026_010239.xml · nonDerivative · entry 2

Lego Catherine P · CIK 0001291570 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 82,801

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").

F3 · shares: Represents shares of common stock of the Issuer issued upon conversion of the Company's Series C-1 preferred stock pursuant to the Mergers.

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 Lego Holdings, LP. Ms. Lego may be deemed to beneficially own shares held by Lego Holdings, LP by virtue of her voting power and investment power over such shares.

SEC source: 0001291570-26-000006 · form4-02182026_010239.xml · nonDerivative · entry 1

Lego Catherine P · CIK 0001291570 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 477,680

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").

F2 · shares: 103,739 of the shares are subject to the Issuer's right of repurchase. Such shares vest 1/36 per month until fully vested on December 10, 2026, subject to the continuous service of the Reporting Person as of each such date.

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").

SEC source: 0002109273-26-000006 · form4-02182026_010215.xml · derivative · entry 1

Hall Jason Dean · CIK 0002109273 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 262,722

Underlying: Common Stock · 262,722 shares

Expires 2036-02-12

F1 · derivative.exercise_date: 1/4th of the shares underlying the option shall vest on November 10, 2026, and 1/48th of the total shares shall vest each month thereafter on the same day of the month, subject to the Reporting Person's continued service through each vesting date.

SEC source: 0002108537-26-000006 · form4-02182026_010242.xml · derivative · entry 1

Hart Ilan · CIK 0002108537 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 420,355

Underlying: Common Stock · 420,355 shares

Expires 2036-02-12

F1 · derivative.exercise_date: 1/4th of the shares underlying the option shall vest on October 27, 2026, and 1/48th of the total shares shall vest each month thereafter on the same day of the month, subject to the Reporting Person's continued service through each vesting date.

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.

SEC source: 0002108532-26-000006 · form4-02182026_010257.xml · derivative · entry 6

Gokhale Pranav · CIK 0002108532 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 293,828

Underlying: Common Stock · 293,828 shares

Expires 2036-02-12

F5 · 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: 0002108532-26-000006 · form4-02182026_010257.xml · derivative · entry 5

Gokhale Pranav · CIK 0002108532 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 781

Underlying: Common Stock · 781 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").

F3 · 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.

F4 · derivative.exercise_date: Fully vested.

SEC source: 0002108532-26-000006 · form4-02182026_010257.xml · derivative · entry 4

Gokhale Pranav · CIK 0002108532 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,859

Underlying: Common Stock · 3,859 shares

Expires 2034-03-10

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").

F3 · 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.

F4 · derivative.exercise_date: Fully vested.

SEC source: 0002108532-26-000006 · form4-02182026_010257.xml · derivative · entry 3

Gokhale Pranav · CIK 0002108532 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 347

Underlying: Common Stock · 347 shares

Expires 2033-05-30

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").

F3 · 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.

F4 · derivative.exercise_date: Fully vested.

SEC source: 0002108532-26-000006 · form4-02182026_010257.xml · derivative · entry 2

Gokhale Pranav · CIK 0002108532 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 260,552

Underlying: Common Stock · 260,552 shares

Expires 2032-08-25

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").

F3 · 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.

F2 · derivative.exercise_date: 50% of the stock option vested and became exercisable on May 10, 2024, and thereafter the remainder vest in 24 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.

SEC source: 0002108532-26-000006 · form4-02182026_010257.xml · nonDerivative · entry 1

Gokhale Pranav · CIK 0002108532 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,338,980

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").

SEC source: 0001452681-26-000020 · form4a-04142026_100459.xml · derivative · entry 1

Bjornholt James Eric · CIK 0001452681 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,950

Underlying: Common Stock · 29,950 shares

Expires 2036-02-12

F1 · derivative.exercise_date: 1/3rd of the shares underlying the option shall vest on December 21, 2026, and 1/36th of the total shares shall vest each month thereafter on the same day of the month, subject to the Reporting Person's continued service through each vesting date.

F2 · derivative.exercise_date: The Reporting Person is filing this amendment to correct a scriveners error in the previously reported date the option is first exercisable.

SEC source: 0001193125-26-054778 · ownership.xml · derivative · entry 3

Klein Michael Stuart · CIK 0001327392 · Director · See Remarks · 10% owner

Churchill Sponsor X LLC · CIK 0001848787 · Director · See Remarks · 10% owner

M. Klein Associates, Inc. · CIK 0001751504 · Director · See Remarks · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 75,000

Underlying: Common Stock · 75,000 shares

Expires 2031-02-13

F6 · price: Represents 75,000 shares underlying warrants which were acquired as part of 300,000 units pursuant to a Private Placement Units Purchase Agreement by and between the Sponsor and CCX, and have been continually held since CCX's initial public offering. Effective upon the Domestication, (i) each unit of CCX separated into one share per unit and one-quarter of one whole warrant of CCX per unit, each whole warrant exercisable for one Class A Ordinary Share, (ii) each share converted into one share of Common Stock of the Issuer on a one-to-one basis and (iii) each warrant automatically converted into a warrant to acquire Common Stock of the Issuer. The warrants become exercisable 30 days after the completion of the Mergers.

F6 · balance_after: Represents 75,000 shares underlying warrants which were acquired as part of 300,000 units pursuant to a Private Placement Units Purchase Agreement by and between the Sponsor and CCX, and have been continually held since CCX's initial public offering. Effective upon the Domestication, (i) each unit of CCX separated into one share per unit and one-quarter of one whole warrant of CCX per unit, each whole warrant exercisable for one Class A Ordinary Share, (ii) each share converted into one share of Common Stock of the Issuer on a one-to-one basis and (iii) each warrant automatically converted into a warrant to acquire Common Stock of the Issuer. The warrants become exercisable 30 days after the completion of the Mergers.

F5 · ownership.nature: The reported shares and warrants of the Issuer are directly held by the Sponsor. Michael Klein is the controlling stockholder of M. Klein Associates, Inc., which is the managing member of the Sponsor. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 under the Securities Exchange Act of 1934, as amended, or otherwise, any of the Reporting Persons is the beneficial owner of any securities reported herein. The Reporting Persons disclaim beneficial ownership of any securities of the Issuer except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001193125-26-054778 · ownership.xml · derivative · entry 2

Klein Michael Stuart · CIK 0001327392 · Director · See Remarks · 10% owner

Churchill Sponsor X LLC · CIK 0001848787 · Director · See Remarks · 10% owner

M. Klein Associates, Inc. · CIK 0001751504 · Director · See Remarks · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 10,350,000 shares

Expires not disclosed

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.

F1 · derivative.exercise_price: In connection with the transactions consummated on February 13, 2026 pursuant to that certain Agreement and Plan of Merger and Reorganization Agreement, dated as of September 8, 2025 (the "Merger Agreement"), by and among Infleqtion, Inc. (the "Issuer") (f/k/a Churchill Capital Corp X ("CCX")), AH Merger Sub I, Inc., a wholly owned subsidiary of the Issuer ("Merger Sub I"), AH Merger Sub II, LLC, a wholly owned subsidiary of the Issuer ("Merger Sub II") and ColdQuanta, Inc. (d/b/a Infleqtion), a Delaware corporation ("Legacy Infleqtion"). Pursuant to the Merger Agreement, and on the terms and subject to the satisfaction or waiver of the conditions set forth therein, the parties effected a business combination transaction by which Merger Sub I merged with and into the Legacy Infleqtion, with Legacy Infleqtion continuing as the surviving corporation and a wholly-owned subsidiary of the Issuer ("First Merger"),

F2 · derivative.exercise_price: (Continued from footnote 1) and immediately following the First Merger, the surviving corporation of the First Merger merged with and into Merger Sub II, with Merger Sub II continuing as the surviving entity (the "Second Merger" and, together with the First Merger, the "Mergers").

F3 · derivative.exercise_price: The Issuer effected a deregistration under Article 41 of CCX's amended and restated memorandum and articles of association and Section 206 of the Companies Act (As Revised) of the Cayman Islands and a domestication under Section 388 of the Delaware General Corporation Law, pursuant to which CCX's jurisdiction of incorporation changed from the Cayman Islands to the State of Delaware (the "Domestication"). Effective upon the Domestication, (i) each Class B ordinary share of the Issuer automatically converted into a Class A ordinary share (the "Class A Ordinary Share") on a one-to-one basis, and (ii) each Class A Ordinary Share converted into common stock, par value $0.0001 per share ("Common Stock"), of the Issuer, Infleqtion, Inc., on a one-to-one basis. The reporting person now holds Common Stock of the Issuer rather than Class A Ordinary Shares in a Cayman Islands company.

F1 · price: In connection with the transactions consummated on February 13, 2026 pursuant to that certain Agreement and Plan of Merger and Reorganization Agreement, dated as of September 8, 2025 (the "Merger Agreement"), by and among Infleqtion, Inc. (the "Issuer") (f/k/a Churchill Capital Corp X ("CCX")), AH Merger Sub I, Inc., a wholly owned subsidiary of the Issuer ("Merger Sub I"), AH Merger Sub II, LLC, a wholly owned subsidiary of the Issuer ("Merger Sub II") and ColdQuanta, Inc. (d/b/a Infleqtion), a Delaware corporation ("Legacy Infleqtion"). Pursuant to the Merger Agreement, and on the terms and subject to the satisfaction or waiver of the conditions set forth therein, the parties effected a business combination transaction by which Merger Sub I merged with and into the Legacy Infleqtion, with Legacy Infleqtion continuing as the surviving corporation and a wholly-owned subsidiary of the Issuer ("First Merger"),

F2 · price: (Continued from footnote 1) and immediately following the First Merger, the surviving corporation of the First Merger merged with and into Merger Sub II, with Merger Sub II continuing as the surviving entity (the "Second Merger" and, together with the First Merger, the "Mergers").

F3 · price: The Issuer effected a deregistration under Article 41 of CCX's amended and restated memorandum and articles of association and Section 206 of the Companies Act (As Revised) of the Cayman Islands and a domestication under Section 388 of the Delaware General Corporation Law, pursuant to which CCX's jurisdiction of incorporation changed from the Cayman Islands to the State of Delaware (the "Domestication"). Effective upon the Domestication, (i) each Class B ordinary share of the Issuer automatically converted into a Class A ordinary share (the "Class A Ordinary Share") on a one-to-one basis, and (ii) each Class A Ordinary Share converted into common stock, par value $0.0001 per share ("Common Stock"), of the Issuer, Infleqtion, Inc., on a one-to-one basis. The reporting person now holds Common Stock of the Issuer rather than Class A Ordinary Shares in a Cayman Islands company.

F1 · derivative.exercise_date: In connection with the transactions consummated on February 13, 2026 pursuant to that certain Agreement and Plan of Merger and Reorganization Agreement, dated as of September 8, 2025 (the "Merger Agreement"), by and among Infleqtion, Inc. (the "Issuer") (f/k/a Churchill Capital Corp X ("CCX")), AH Merger Sub I, Inc., a wholly owned subsidiary of the Issuer ("Merger Sub I"), AH Merger Sub II, LLC, a wholly owned subsidiary of the Issuer ("Merger Sub II") and ColdQuanta, Inc. (d/b/a Infleqtion), a Delaware corporation ("Legacy Infleqtion"). Pursuant to the Merger Agreement, and on the terms and subject to the satisfaction or waiver of the conditions set forth therein, the parties effected a business combination transaction by which Merger Sub I merged with and into the Legacy Infleqtion, with Legacy Infleqtion continuing as the surviving corporation and a wholly-owned subsidiary of the Issuer ("First Merger"),

F2 · derivative.exercise_date: (Continued from footnote 1) and immediately following the First Merger, the surviving corporation of the First Merger merged with and into Merger Sub II, with Merger Sub II continuing as the surviving entity (the "Second Merger" and, together with the First Merger, the "Mergers").

F3 · derivative.exercise_date: The Issuer effected a deregistration under Article 41 of CCX's amended and restated memorandum and articles of association and Section 206 of the Companies Act (As Revised) of the Cayman Islands and a domestication under Section 388 of the Delaware General Corporation Law, pursuant to which CCX's jurisdiction of incorporation changed from the Cayman Islands to the State of Delaware (the "Domestication"). Effective upon the Domestication, (i) each Class B ordinary share of the Issuer automatically converted into a Class A ordinary share (the "Class A Ordinary Share") on a one-to-one basis, and (ii) each Class A Ordinary Share converted into common stock, par value $0.0001 per share ("Common Stock"), of the Issuer, Infleqtion, Inc., on a one-to-one basis. The reporting person now holds Common Stock of the Issuer rather than Class A Ordinary Shares in a Cayman Islands company.

F1 · derivative.expiration_date: In connection with the transactions consummated on February 13, 2026 pursuant to that certain Agreement and Plan of Merger and Reorganization Agreement, dated as of September 8, 2025 (the "Merger Agreement"), by and among Infleqtion, Inc. (the "Issuer") (f/k/a Churchill Capital Corp X ("CCX")), AH Merger Sub I, Inc., a wholly owned subsidiary of the Issuer ("Merger Sub I"), AH Merger Sub II, LLC, a wholly owned subsidiary of the Issuer ("Merger Sub II") and ColdQuanta, Inc. (d/b/a Infleqtion), a Delaware corporation ("Legacy Infleqtion"). Pursuant to the Merger Agreement, and on the terms and subject to the satisfaction or waiver of the conditions set forth therein, the parties effected a business combination transaction by which Merger Sub I merged with and into the Legacy Infleqtion, with Legacy Infleqtion continuing as the surviving corporation and a wholly-owned subsidiary of the Issuer ("First Merger"),

F2 · derivative.expiration_date: (Continued from footnote 1) and immediately following the First Merger, the surviving corporation of the First Merger merged with and into Merger Sub II, with Merger Sub II continuing as the surviving entity (the "Second Merger" and, together with the First Merger, the "Mergers").

F3 · derivative.expiration_date: The Issuer effected a deregistration under Article 41 of CCX's amended and restated memorandum and articles of association and Section 206 of the Companies Act (As Revised) of the Cayman Islands and a domestication under Section 388 of the Delaware General Corporation Law, pursuant to which CCX's jurisdiction of incorporation changed from the Cayman Islands to the State of Delaware (the "Domestication"). Effective upon the Domestication, (i) each Class B ordinary share of the Issuer automatically converted into a Class A ordinary share (the "Class A Ordinary Share") on a one-to-one basis, and (ii) each Class A Ordinary Share converted into common stock, par value $0.0001 per share ("Common Stock"), of the Issuer, Infleqtion, Inc., on a one-to-one basis. The reporting person now holds Common Stock of the Issuer rather than Class A Ordinary Shares in a Cayman Islands company.

F5 · ownership.direct: The reported shares and warrants of the Issuer are directly held by the Sponsor. Michael Klein is the controlling stockholder of M. Klein Associates, Inc., which is the managing member of the Sponsor. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 under the Securities Exchange Act of 1934, as amended, or otherwise, any of the Reporting Persons is the beneficial owner of any securities reported herein. The Reporting Persons disclaim beneficial ownership of any securities of the Issuer except to the extent of such Reporting Person's pecuniary interest therein.

F5 · ownership.nature: The reported shares and warrants of the Issuer are directly held by the Sponsor. Michael Klein is the controlling stockholder of M. Klein Associates, Inc., which is the managing member of the Sponsor. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 under the Securities Exchange Act of 1934, as amended, or otherwise, any of the Reporting Persons is the beneficial owner of any securities reported herein. The Reporting Persons disclaim beneficial ownership of any securities of the Issuer except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001193125-26-054778 · ownership.xml · nonDerivative · entry 1

Klein Michael Stuart · CIK 0001327392 · Director · See Remarks · 10% owner

Churchill Sponsor X LLC · CIK 0001848787 · Director · See Remarks · 10% owner

M. Klein Associates, Inc. · CIK 0001751504 · Director · See Remarks · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 10,650,000

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.

F1 · shares: In connection with the transactions consummated on February 13, 2026 pursuant to that certain Agreement and Plan of Merger and Reorganization Agreement, dated as of September 8, 2025 (the "Merger Agreement"), by and among Infleqtion, Inc. (the "Issuer") (f/k/a Churchill Capital Corp X ("CCX")), AH Merger Sub I, Inc., a wholly owned subsidiary of the Issuer ("Merger Sub I"), AH Merger Sub II, LLC, a wholly owned subsidiary of the Issuer ("Merger Sub II") and ColdQuanta, Inc. (d/b/a Infleqtion), a Delaware corporation ("Legacy Infleqtion"). Pursuant to the Merger Agreement, and on the terms and subject to the satisfaction or waiver of the conditions set forth therein, the parties effected a business combination transaction by which Merger Sub I merged with and into the Legacy Infleqtion, with Legacy Infleqtion continuing as the surviving corporation and a wholly-owned subsidiary of the Issuer ("First Merger"),

F2 · shares: (Continued from footnote 1) and immediately following the First Merger, the surviving corporation of the First Merger merged with and into Merger Sub II, with Merger Sub II continuing as the surviving entity (the "Second Merger" and, together with the First Merger, the "Mergers").

F3 · shares: The Issuer effected a deregistration under Article 41 of CCX's amended and restated memorandum and articles of association and Section 206 of the Companies Act (As Revised) of the Cayman Islands and a domestication under Section 388 of the Delaware General Corporation Law, pursuant to which CCX's jurisdiction of incorporation changed from the Cayman Islands to the State of Delaware (the "Domestication"). Effective upon the Domestication, (i) each Class B ordinary share of the Issuer automatically converted into a Class A ordinary share (the "Class A Ordinary Share") on a one-to-one basis, and (ii) each Class A Ordinary Share converted into common stock, par value $0.0001 per share ("Common Stock"), of the Issuer, Infleqtion, Inc., on a one-to-one basis. The reporting person now holds Common Stock of the Issuer rather than Class A Ordinary Shares in a Cayman Islands company.

F4 · shares: Includes 300,000 shares which were acquired as part of 300,000 units pursuant to a Private Placement Units Purchase Agreement by and between the Churchill Sponsor X LLC (the "Sponsor") and CCX, and have been continually held since CCX's initial public offering. Effective upon the Domestication, (i) each unit of CCX separated into one share per unit and one-quarter of one whole warrant of CCX per unit, each whole warrant exercisable for one Class A Ordinary Share, (ii) each share converted into one share of Common Stock of the Issuer on a one-to-one basis and (iii) each warrant automatically converted into a warrant to acquire Common Stock of the Issuer.

F1 · price: In connection with the transactions consummated on February 13, 2026 pursuant to that certain Agreement and Plan of Merger and Reorganization Agreement, dated as of September 8, 2025 (the "Merger Agreement"), by and among Infleqtion, Inc. (the "Issuer") (f/k/a Churchill Capital Corp X ("CCX")), AH Merger Sub I, Inc., a wholly owned subsidiary of the Issuer ("Merger Sub I"), AH Merger Sub II, LLC, a wholly owned subsidiary of the Issuer ("Merger Sub II") and ColdQuanta, Inc. (d/b/a Infleqtion), a Delaware corporation ("Legacy Infleqtion"). Pursuant to the Merger Agreement, and on the terms and subject to the satisfaction or waiver of the conditions set forth therein, the parties effected a business combination transaction by which Merger Sub I merged with and into the Legacy Infleqtion, with Legacy Infleqtion continuing as the surviving corporation and a wholly-owned subsidiary of the Issuer ("First Merger"),

F2 · price: (Continued from footnote 1) and immediately following the First Merger, the surviving corporation of the First Merger merged with and into Merger Sub II, with Merger Sub II continuing as the surviving entity (the "Second Merger" and, together with the First Merger, the "Mergers").

F3 · price: The Issuer effected a deregistration under Article 41 of CCX's amended and restated memorandum and articles of association and Section 206 of the Companies Act (As Revised) of the Cayman Islands and a domestication under Section 388 of the Delaware General Corporation Law, pursuant to which CCX's jurisdiction of incorporation changed from the Cayman Islands to the State of Delaware (the "Domestication"). Effective upon the Domestication, (i) each Class B ordinary share of the Issuer automatically converted into a Class A ordinary share (the "Class A Ordinary Share") on a one-to-one basis, and (ii) each Class A Ordinary Share converted into common stock, par value $0.0001 per share ("Common Stock"), of the Issuer, Infleqtion, Inc., on a one-to-one basis. The reporting person now holds Common Stock of the Issuer rather than Class A Ordinary Shares in a Cayman Islands company.

F4 · price: Includes 300,000 shares which were acquired as part of 300,000 units pursuant to a Private Placement Units Purchase Agreement by and between the Churchill Sponsor X LLC (the "Sponsor") and CCX, and have been continually held since CCX's initial public offering. Effective upon the Domestication, (i) each unit of CCX separated into one share per unit and one-quarter of one whole warrant of CCX per unit, each whole warrant exercisable for one Class A Ordinary Share, (ii) each share converted into one share of Common Stock of the Issuer on a one-to-one basis and (iii) each warrant automatically converted into a warrant to acquire Common Stock of the Issuer.

F5 · ownership.nature: The reported shares and warrants of the Issuer are directly held by the Sponsor. Michael Klein is the controlling stockholder of M. Klein Associates, Inc., which is the managing member of the Sponsor. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 under the Securities Exchange Act of 1934, as amended, or otherwise, any of the Reporting Persons is the beneficial owner of any securities reported herein. The Reporting Persons disclaim beneficial ownership of any securities of the Issuer except to the extent of such Reporting Person's pecuniary interest therein.