---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-156057"
form_type: "8-K"
ticker: "OSS"
cik: "0001394056"
company_name: "ONE STOP SYSTEMS, INC."
filed_at: "2026-04-15T23:59:59+00:00"
generated_at: "2026-05-15T06:05:41.080770+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# One Stop Systems reports record Q4 2025, 31% annual revenue growth, guides 20-25% growth for 2026

## Summary
- Annual revenue from continuing ops $32.2M, up 31.2% YoY; gross margin 49.6% vs 29.5% two years ago.
- Q4 2025 net income $2.0M ($0.08 diluted EPS), record quarterly EPS and gross margin.
- Book-to-bill 1.2x; defense program P-8 Poseidon has >$65M total contracted revenue, $23M since early 2025.
- Sale of Bressner subsidiary completed Dec 2025 for $22.4M, ahead of schedule, strengthening balance sheet.
- 2026 guidance: revenue growth 20-25%, gross margins ~40%, positive EBITDA and adjusted EBITDA.

## SEC filing metadata
- accession: 0001193125-26-156057
- form_type: 8-K
- ticker: OSS
- cik: 0001394056
- company_name: ONE STOP SYSTEMS, INC.
- filed_at: 2026-04-15T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 7.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1394056/000119312526156057/0001193125-26-156057-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1394056/000119312526156057/oss-20260415.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-156057
- JSON: https://secwatch.observer/filing/0001193125-26-156057.json
- Plain text: https://secwatch.observer/filing/0001193125-26-156057.txt

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