---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-334453"
form_type: "8-K"
ticker: "OSS"
cik: "0001394056"
company_name: "ONE STOP SYSTEMS, INC."
filed_at: "2026-08-05T16:47:08+00:00"
generated_at: "2026-08-05T16:48:10.619586+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# One Stop Systems VP of Sales Robert Kalebaugh retires, enters consulting agreement

## Summary
- Robert Kalebaugh retired as VP of Sales effective July 31, 2026.
- Entered into consulting agreement for part-time strategic counsel through July 31, 2027, renewable.
- Unvested restricted stock awards will continue to vest if he provides consulting services.
- Eligible for prorated annual bonus under Variable Compensation Plan upon retirement.

## SEC filing metadata
- accession: 0001193125-26-334453
- form_type: 8-K
- ticker: OSS
- cik: 0001394056
- company_name: ONE STOP SYSTEMS, INC.
- filed_at: 2026-08-05T16:47:08+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1394056/000119312526334453/0001193125-26-334453-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1394056/000119312526334453/oss-20260731.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-334453
- JSON: https://secwatch.observer/filing/0001193125-26-334453.json
- Plain text: https://secwatch.observer/filing/0001193125-26-334453.txt

## Key facts
- Executive change
  Robert Kalebaugh retired as VP of Sales at ONE STOP SYSTEMS, INC..
  - Action: retired
  - Role: VP of Sales
  source text: Mr. Kalebaugh notified the Company of his retirement from his position as VP of Sales of the Company effective as of July 31, 2026.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1394056/000119312526334453/0001193125-26-334453-index.htm

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