One Stop Systems, Inc. SEC filings OSS
One Stop Systems, Inc. has 527 filings in SEC EDGAR's recent list, going back to Mar 19, 2007. Its latest annual report, Form 10-K, was filed on Mar 18, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 28, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 28, 2026 (material agreement). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 424B5 | Prospectus supplement | Oct 28, 2026 | — |
| S-3/A | Filing | Aug 28, 2026 | — |
| S-3 | Shelf registration | Aug 24, 2026 | — |
| 424B5 | Prospectus supplement | Oct 1, 2025 | — |
| S-8 | Employee stock plan registration | Jul 24, 2024 | — |
| S-8 | Employee stock plan registration | Aug 18, 2023 | — |
| S-3 | Shelf registration | Aug 18, 2023 | — |
| S-8 | Employee stock plan registration | Jun 21, 2021 | — |
| 424B5 | Prospectus supplement | Mar 3, 2021 | — |
| 424B5 | Prospectus supplement | Apr 24, 2020 | — |
| 424B5 | Prospectus supplement | Jun 26, 2019 | — |
| S-3 | Shelf registration | May 15, 2019 | — |
| S-8 | Employee stock plan registration | Oct 3, 2018 | — |
| 424B4 | Prospectus | Feb 1, 2018 | — |
| FWP | Free writing prospectus | Jan 29, 2018 | — |
| S-1/A | Amended registration statement | Jan 29, 2018 | — |
| S-1/A | Amended registration statement | Jan 16, 2018 | — |
| S-1 | Registration statement | Dec 18, 2017 | — |
Showing 18 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Electronic Computers (SIC 3571)
- Listed as
- OSS (Nasdaq)
- Fiscal year ends
- December 31
- Headquarters
- Escondido, CA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1394056
- Former names
- ONE STOP SYSTEMS INC (until Jul 2, 2018)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.