Xos, Inc. — Director's Dealing 2025

Sep 12, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Xos, Inc. (XOS)
CIK: 0001819493
Period of Report: 2025-09-10

Reporting Person: Semler Dakota (Director, Chief Executive Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-09-10	Common Stock	A	646158	—	Acquired	1100031	Direct
2025-09-10	Common Stock	F	3458	$2.34	Disposed	1096573	Direct

Footnotes

F1: Approximately 33% of the Restricted Stock Unit ("RSU") Award shall vest on March 10, 2026 (the "Initial Vesting Date"), and the remainder of the RSU Award shall vest in twenty-four (24) approximately equal installments on each Monthly Vesting Date immediately following the Initial Vesting Date. "Monthly Vesting Date" means the 10th day of each month. Notwithstanding the foregoing, vesting shall terminate upon the Reporting Person's termination of continuous service, as described in Section 6(l) of the Global RSU Award Agreement.

F2: Includes 827,693 unvested RSUs.

F3: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Awards. Each RSU represents a contingent right to receive one share of common stock upon settlement.