Matthew John Kinsella - 13 Feb 2026 Form 4 Insider Report for Churchill Capital Corp X/Cayman (CCCX)

Role: Chief Executive Officer, Director
Signature: /s/ Jason D. Hall, Attorney-in-Fact
Issuer symbol: CCCX
Transactions as of: 13 Feb 2026
Net transactions value: $0
Form type: 4
Filing time: 18 Feb 2026, 08:42:23 UTC
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Kinsella Matthew John	Chief Executive Officer, Director	C/O INFLEQTION, INC., 1315 WEST CENTURY DRIVE, SUITE 150, LOUISVILLE	/s/ Jason D. Hall, Attorney-in-Fact	18 Feb 2026	0002109180

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CCCX	Common Stock	Award	$0	+560,327		$0.000000	560,327	13 Feb 2026	See footnote	F1, F2
transaction	CCCX	Common Stock	Award	$0	+34,740		$0.000000	34,740	13 Feb 2026	See footnote	F1, F3
transaction	CCCX	Common Stock	Award	$0	+101,882		$0.000000	101,882	13 Feb 2026	See footnote	F1, F4

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	CCCX	Stock Option (Right to Buy)	Award		+5,950,380			5,950,380	13 Feb 2026	Common Stock	5,950,380	$0.9000	Direct	F1, F5, F6
transaction	CCCX	Stock Option (Right to Buy)	Award		+1,889,829			1,889,829	13 Feb 2026	Common Stock	1,889,829	$0.9000	See footnote	F1, F2, F6, F7
transaction	CCCX	Stock Option (Right to Buy)	Award	$0	+481,727		$0.000000	481,727	13 Feb 2026	Common Stock	481,727	$13.22	Direct	F8

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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	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.
F3	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.
F4	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.
F5	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.
F6	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	Fully vested.
F8	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.