Xos, Inc. — Director's Dealing 2025

Jul 14, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Xos, Inc. (XOS)
CIK: 0001819493
Period of Report: 2025-07-10

Reporting Person: Mattson George N (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-07-10	Common Stock	A	62377	—	Acquired	129761	Direct
2025-07-10	Common Stock	A	2001	—	Acquired	131762	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	131250	Indirect
Common Stock	33333	Indirect

Footnotes

F1: The shares reported in this transaction represent Restricted Stock Units ("RSUs"), each of which represents a contingent right to receive one share of the Issuer's common stock upon settlement. The RSUs vest on the earlier of (i) the first anniversary of the Grant date and (ii) the day before the Company's 2026 Annual Meeting, subject to the Reporting Person's continuous service with Xos, Inc. through the vesting date

F2: Includes 62,377 unvested RSUs.

F3: The shares reported in this transaction represent RSUs that were issued to the Reporting Person in lieu of the cash retainer for the Reporting Person's service as Lead Independent Director in Q2 2025. The RSUs reported vested immediately on the date of grant.

F4: Shares are held by NGAC GNM Feeder LLC ("NGAC"). The Reporting Person may be deemed to beneficially own such shares by virtue of his shared control over NGAC. The Reporting Person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

F5: Shares are held by GNM ICBC LLC ("GNM ICBC"). The Reporting Person may be deemed to beneficially own such shares by virtue of his control over GNM ICBC. The Reporting Person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.