Sec Form 4 Filing - Gokhale Pranav @ Churchill Capital Corp X/Cayman - 2026-02-13

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person Gokhale Pranav 2. Issuer Name and Ticker or Trading Symbol Churchill Capital Corp X/Cayman [ INFQ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Technology Officer (Last) (First) (Middle) C/O INFLEQTION, INC., 1315 WEST CENTURY DRIVE, SUITE 150 3. Date of Earliest Transaction (MM/DD/YY) 02/13/2026 (Street) LOUISVILLE, CO80027 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 02/13/2026 A( 1 ) 2,338,980 A $ 0 ( 1 ) 2,338,980 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Stock Option (Right to Buy) $ 0.67 02/13/2026 A( 1 ) 260,552 ( 2 ) 08/25/2032 Common Stock 260,552 ( 3 ) 260,552 D Stock Option (Right to Buy) $ 0.67 02/13/2026 A( 1 ) 347 ( 4 ) 05/30/2033 Common Stock 347 ( 3 ) 347 D Stock Option (Right to Buy) $ 0.9 02/13/2026 A( 1 ) 3,859 ( 4 ) 03/10/2034 Common Stock 3,859 ( 3 ) 3,859 D Stock Option (Right to Buy) $ 0.9 02/13/2026 A( 1 ) 781 ( 4 ) 06/05/2034 Common Stock 781 ( 3 ) 781 D Stock Option (Right to Buy) $ 13.22 02/13/2026 A 293,828 ( 5 ) 02/12/2036 Common Stock 293,828 $ 0 293,828 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Gokhale Pranav C/O INFLEQTION, INC. 1315 WEST CENTURY DRIVE, SUITE 150 LOUISVILLE, CO80027 Chief Technology Officer Signatures /s/ Jason D. Hall, Attorney-in-Fact 02/18/2026 Signature of Reporting Person Date

Explanation of Responses:

( 1 )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"). ( 2 )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. ( 3 )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. ( 4 )Fully vested. ( 5 )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.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.