Catherine P Lego Stock Option Grant

On April 10, 2026, Catherine P. Lego was granted 22,619 stock options for Infleqtion, Inc. Common Stock. The options have an exercise price of $12.59 per share and an expiration date of April 10, 2036. The options vest in full on the earlier of May 23, 2027, or the company's next annual meeting of stockholders following April 10, 2026, provided she remains in continuous service. Vesting is subject to acceleration provisions in the company's Non-Employee Director Compensation Policy. This transaction is reported on Form 4.