---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-063661"
form_type: "8-K"
ticker: "TSPH"
cik: "0001823593"
company_name: "TuSimple Holdings Inc."
filed_at: "2022-03-03T23:59:59+00:00"
generated_at: "2026-06-27T02:06:40.198130+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# TuSimple CEO Cheng Lu resigns; co-founder Xiaodi Hou named CEO and Chairman

## Summary
- Cheng Lu resigns as President, CEO and director effective March 3, 2022; will serve as advisor for one year at $450k annual salary.
- Xiaodi Hou, co-founder and former CTO, appointed President, CEO and Chairman of the Board effective March 3, 2022.
- Mo Chen resigns as Executive Chairman but remains on the Board.
- Lu receives $50k lump sum and accelerated vesting of all stock options and RSUs.

## SEC filing metadata
- accession: 0001193125-22-063661
- form_type: 8-K
- ticker: TSPH
- cik: 0001823593
- company_name: TuSimple Holdings Inc.
- filed_at: 2022-03-03T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1823593/000119312522063661/0001193125-22-063661-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1823593/000119312522063661/d260398d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-063661
- JSON: https://secwatch.observer/filing/0001193125-22-063661.json
- Plain text: https://secwatch.observer/filing/0001193125-22-063661.txt

## Key facts
- Executive change
  Mo Chen resigned as Executive Chairman at TuSimple Holdings Inc..
  - Action: resigned
  - Role: Executive Chairman
  source text: the Company announced the resignation of Mo Chen as Executive Chairman of the Board, effective as of the Termination Date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1823593/000119312522063661/0001193125-22-063661-index.htm
- Executive change
  Cheng Lu resigned as President and Chief Executive Officer at TuSimple Holdings Inc..
  - Action: resigned
  - Role: President and Chief Executive Officer
  source text: On March 3, 2022, TuSimple Holdings Inc. (the “Company”) announced the resignation of Cheng Lu as President, Chief Executive Officer and as a member of the Company’s Board of Directors (the “Board”), each effective as of March 3, 2022
  evidence_url: https://www.sec.gov/Archives/edgar/data/1823593/000119312522063661/0001193125-22-063661-index.htm
- Executive change
  Xiaodi Hou was appointed as Chairperson of the Board at TuSimple Holdings Inc..
  - Action: appointed
  - Role: Chairperson of the Board
  source text: The Board has appointed Xiaodi Hou, the Company’s co-founder and Chief Technology Officer and a member of the Board, as Chairperson of the Board, effective as of the Termination Date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1823593/000119312522063661/0001193125-22-063661-index.htm
- Executive change
  Xiaodi Hou was appointed as President and Chief Executive Officer at TuSimple Holdings Inc..
  - Action: appointed
  - Role: President and Chief Executive Officer
  source text: In addition, the Board has appointed Dr. Hou as President and Chief Executive Officer of the Company, effective as of the Termination Date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1823593/000119312522063661/0001193125-22-063661-index.htm

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