---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-22-024360"
form_type: "8-K"
ticker: "TSPH"
cik: "0001823593"
company_name: "TuSimple Holdings Inc."
filed_at: "2022-09-06T23:59:59+00:00"
generated_at: "2026-06-23T15:41:36.893866+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# TuSimple CLO James Mullen resigns; Susan Marsch interim GC; $500k retention bonus waived

## Summary
- James Mullen, Chief Legal & Administrative Officer, resigns effective Sept 30, 2022.
- Susan Marsch named interim General Counsel effective Sept 6, 2022; veteran GC with 25+ years.
- Separation agreement waives repayment of $500k retention bonus and provides 12 months salary continuation.
- Extended option exercise period through Sept 2024; additional 12 months of equity vesting.
- Mullen releases all claims against the company; non-disparagement clause included.

## SEC filing metadata
- accession: 0001628280-22-024360
- form_type: 8-K
- ticker: TSPH
- cik: 0001823593
- company_name: TuSimple Holdings Inc.
- filed_at: 2022-09-06T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1823593/000162828022024360/0001628280-22-024360-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1823593/000162828022024360/tsp-20220831.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-22-024360
- JSON: https://secwatch.observer/filing/0001628280-22-024360.json
- Plain text: https://secwatch.observer/filing/0001628280-22-024360.txt

## Key facts
- Executive change
  James Mullen resigned as Chief Legal and Administrative Officer at TuSimple Holdings Inc..
  - Action: resigned
  - Role: Chief Legal and Administrative Officer
  source text: On August 31, 2022, James Mullen, Chief Legal and Administrative Officer of TuSimple Holdings Inc. (“TuSimple” or the “Company”) notified the Company of his intent to resign from his position, effective September 30, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1823593/000162828022024360/0001628280-22-024360-index.htm
- Executive change
  Susan Marsch was appointed as interim General Counsel at TuSimple Holdings Inc..
  - Action: appointed
  - Role: interim General Counsel
  source text: Susan Marsch will serve as interim General Counsel, effective September 6, 2022, until a permanent successor is appointed.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1823593/000162828022024360/0001628280-22-024360-index.htm

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