---
schema_version: "secwatch.filing_event.v1"
accession: "0001819493-22-000148"
form_type: "8-K"
ticker: "XOS"
cik: "0001819493"
company_name: "Xos, Inc."
filed_at: "2022-10-26T23:59:59+00:00"
generated_at: "2026-06-23T00:55:05.802750+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Xos appoints Stuart Bernstein to board, replacing Sara Mathew

## Summary
- Sara Mathew resigned from board effective Oct 20, 2022, due to other business interests; no disagreement with Xos.
- Stuart Bernstein appointed as Class III director to fill vacancy; serves until 2024 annual meeting.
- Bernstein brings clean-tech investment banking experience from Goldman Sachs and sustainability focus.
- Upon Mathew's resignation, 50,289 unvested RSUs granted under 2021 plan will vest.
- Board now has 8 directors (6 independent); Bernstein joins Audit and Compensation committees.

## SEC filing metadata
- accession: 0001819493-22-000148
- form_type: 8-K
- ticker: XOS
- cik: 0001819493
- company_name: Xos, Inc.
- filed_at: 2022-10-26T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1819493/000181949322000148/0001819493-22-000148-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1819493/000181949322000148/xos-20221020.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001819493-22-000148
- JSON: https://secwatch.observer/filing/0001819493-22-000148.json
- Plain text: https://secwatch.observer/filing/0001819493-22-000148.txt

## Key facts
- Executive change
  Stuart Bernstein was appointed as Class III Director at Xos, Inc..
  - Action: appointed
  - Role: Class III Director
  source text: On October 20, 2022, the Board, upon recommendation of the Nominating and Corporate Governance Committee of the Board (the "Nominating Committee"), voted to appoint Stuart Bernstein as a Class III Director to fill the vacancy created by Ms. Mathew's resignation, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1819493/000181949322000148/0001819493-22-000148-index.htm
- Executive change
  Sara Mathew resigned as Director at Xos, Inc..
  - Action: resigned
  - Role: Director
  source text: On October 20, 2022, Sara Mathew informed Xos, Inc. (the "Company") of her resignation as a member of the board of directors of the Company (the "Board"), effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1819493/000181949322000148/0001819493-22-000148-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.