---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-041748"
form_type: "8-K"
ticker: "OSS"
cik: "0001394056"
company_name: "ONE STOP SYSTEMS, INC."
filed_at: "2025-03-19T23:59:59+00:00"
generated_at: "2026-05-24T11:37:16.266117+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# One Stop Systems Q4 revenue up 15% YoY to $15.1M; net loss $3.1M; guides FY2025 revenue $59-61M

## Summary
- Q4 2024 revenue $15.1M (+15.1% YoY); OSS segment +10%, Bressner +19.9%.
- Q4 GAAP net loss $3.1M ($0.15/sh) vs loss $0.3M ($0.01/sh) a year ago; includes $1.2M contract loss charge.
- FY2024 revenue $54.7M (-10.2% YoY); net loss $13.6M ($0.65/sh), including $8.3M one-time charges.
- FY2025 guidance: consolidated revenue $59-61M, OSS segment >20% growth, EBITDA break-even for the year.
- Cash and short-term investments $10.0M; working capital $24.0M at Dec 31, 2024.

## SEC filing metadata
- accession: 0000950170-25-041748
- form_type: 8-K
- ticker: OSS
- cik: 0001394056
- company_name: ONE STOP SYSTEMS, INC.
- filed_at: 2025-03-19T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1394056/000095017025041748/0000950170-25-041748-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1394056/000095017025041748/oss-20250318.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-041748
- JSON: https://secwatch.observer/filing/0000950170-25-041748.json
- Plain text: https://secwatch.observer/filing/0000950170-25-041748.txt

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