Dietmar Ostermann - 15 Jul 2026 Form 4 Insider Report for Xos, Inc. (XOS)

Reporting relationship: Director
Issuer ticker: XOS
Reported as of: 15 Jul 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 17 Jul 2026, 17:40:18 UTC
Prior SEC filing: 14 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ David M. Zlotchew, Attorney-in-Fact for Dietmar Ostermann

Key filing fact

Dietmar Ostermann filed Form 4 for Xos, Inc. (XOS) on 17 Jul 2026.

Key facts

This page summarizes Dietmar Ostermann's Form 4 filing for Xos, Inc. (XOS).
3 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 17 Jul 2026, 17:40.

Change

Previous filing in this sequence was filed on 14 Jul 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001179705 Primary reporting owner

OSTERMANN DIETMAR

Relationship: Director
Address: C/O XOS, INC., 3550 TYBURN STREET, UNIT 100, LOS ANGELES
Signature: /s/ David M. Zlotchew, Attorney-in-Fact for Dietmar Ostermann
Signature date: 17 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

XOS transaction

Common Stock

Disposed to Issuer

Transaction value
Shares: -4,159
Change %: -3.3%
Price: $2.30^*
Shares after: 123,543
Date: 15 Jul 2026
Ownership: Direct
Footnotes: F1, F2, F3

XOS transaction

Common Stock

Disposed to Issuer

Transaction value
Shares: -4,158
Change %: -3.4%
Price: $2.16^*
Shares after: 119,385
Date: 16 Jul 2026
Ownership: Direct
Footnotes: F1, F3, F4

XOS transaction

Common Stock

Disposed to Issuer

Transaction value
Shares: -4,159
Change %: -3.5%
Price: $2.15^*
Shares after: 115,226
Date: 17 Jul 2026
Ownership: Direct
Footnotes: F1, F3, F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 5 footnotes

Footnote F1

The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 16, 2025.

Footnote F2

Represents weighted average sales price. The shares were sold at prices ranging from $2.23 to $2.34. The Reporting Person will provide upon request, to the SEC, the Issuer or any security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Footnote F3

Includes 60,584 unvested RSUs.

Footnote F4

Represents weighted average sales price. The shares were sold at prices ranging from $2.12 to $2.32. The Reporting Person will provide upon request, to the SEC, the Issuer or any security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Footnote F5

Represents weighted average sales price. The shares were sold at prices ranging from $2.11 to $2.18. The Reporting Person will provide upon request, to the SEC, the Issuer or any security holder of the Issuer, full information regarding the number of shares sold at each separate price.