Churchill Sponsor X LLC - 15 May 2025 Form 4 Insider Report for Churchill Capital Corp X/Cayman (CCCX)

Role: 10%+ Owner
Signature: Churchill Sponsor X LLC, By: M. Klein Associates, Inc., its manager, By: /s/ Jay Taragin, Name: Jay Taragin, Title: Authorized Person
Issuer symbol: CCCX
Transactions as of: 15 May 2025
Net transactions value: +$3,000,000
Form type: 4
Filing time: 27 Jun 2025, 16:10:04 UTC
Previous filing: 27 Jun 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Churchill Sponsor X LLC	10%+ Owner	640 FIFTH AVENUE, 14TH FLOOR, NEW YORK	Churchill Sponsor X LLC, By: M. Klein Associates, Inc., its manager, By: /s/ Jay Taragin, Name: Jay Taragin, Title: Authorized Person	27 Jun 2025	0001848787

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CCCXU	Class A Ordinary Shares	Purchase	$3,000,000	+300,000		$10.00	300,000	15 May 2025	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	Represents shares underlying the private placement units (each unit consisting of one Class A ordinary share and one-quarter of one warrant, each whole warrant exercisable to purchase one Class A ordinary share) directly held by Churchill Sponsor X LLC (the "Sponsor") and which were acquired pursuant to a Private Placement Units Purchase Agreement by and between the Sponsor and Churchill Capital Corp X (the "Issuer").
F2	Michael Klein, the Chief Executive Officer, President and a director of the Issuer, is the controlling shareholder of M. Klein Associates, Inc., which is the managing member of the Sponsor, and has voting and investment discretion with respect to the securities held by the Sponsor. As such, Mr. Klein may be deemed to possess beneficial ownership of the securities held directly by the Sponsor. Mr. Klein disclaims any beneficial ownership of the reported securities other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

Content

Represents shares underlying the private placement units (each unit consisting of one Class A ordinary share and one-quarter of one warrant, each whole warrant exercisable to purchase one Class A ordinary share) directly held by Churchill Sponsor X LLC (the "Sponsor") and which were acquired pursuant to a Private Placement Units Purchase Agreement by and between the Sponsor and Churchill Capital Corp X (the "Issuer").

Michael Klein, the Chief Executive Officer, President and a director of the Issuer, is the controlling shareholder of M. Klein Associates, Inc., which is the managing member of the Sponsor, and has voting and investment discretion with respect to the securities held by the Sponsor. As such, Mr. Klein may be deemed to possess beneficial ownership of the securities held directly by the Sponsor. Mr. Klein disclaims any beneficial ownership of the reported securities other than to the extent of any pecuniary interest he may have therein, directly or indirectly.