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
DEF 14A Proxy statement Apr 15, 2026 Apr 14, 2026
DEFA14A Additional proxy material May 9, 2025 —
DEF 14A Proxy statement Apr 15, 2025 Apr 14, 2025
DEF 14A Proxy statement Apr 15, 2024 May 15, 2024
DEF 14A Proxy statement Apr 18, 2023 May 17, 2023
DEF 14A Proxy statement Apr 19, 2022 May 18, 2022
DEF 14A Proxy statement Apr 20, 2021 May 19, 2021
DEFA14A Additional proxy material May 26, 2020 —
DEF 14A Proxy statement May 1, 2020 May 20, 2020
PRE 14A Preliminary proxy statement Apr 21, 2020 May 20, 2020
DEF 14A Proxy statement Apr 15, 2019 May 15, 2019
DEF 14A Proxy statement Apr 20, 2018 May 22, 2018

Showing 12 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.

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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.