Form: EFFECT

Notice of Effectiveness

January 23, 2026

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

Notice of Effectiveness

Effectiveness Date: January 23, 2026 4:00 P.M.
Form: S-4
CIK: 0002007825
Company Name: Churchill Capital Corp X/Cayman
File Number: 333-292582
CIK: 0001746727
Company Name: ColdQuanta, Inc.
File Number: 333-292582-01