# One Stop Systems, Inc.: overview OSS · Nasdaq · CIK 1394056 · [Technology](/sectors/technology.md) · fiscal year ends Dec 31 Pages: [Overview](/companies/oss.md) · [Financials](/companies/oss/financials.md) · [Filings](/companies/oss/filings.md) · [Insiders](/companies/oss/insiders.md) Latest reported revenue: [$12.6m](/filings/0001193125-26-435152.md) for Q3 FY2026, three months to 2026-09-30, from the 10-Q filed Oct 28, 2026 (XBRL us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax, accession 0001193125-26-435152). ## Last eight quarters | Line item | Unit | Q4 FY2024 (2024-12-31) | Q1 FY2025 (2025-03-31) | Q2 FY2025 (2025-06-30) | Q3 FY2025 (2025-09-30) | Q4 FY2025 (2025-12-31) | Q1 FY2026 (2026-03-31) | Q2 FY2026 (2026-06-30) | Q3 FY2026 (2026-09-30) | | --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | | Revenue | $m | [(15.0) d](/filings/0001193125-26-114051.md) | [5.2](/filings/0001193125-26-207665.md) | [5.8](/filings/0001193125-26-333905.md) | [9.3](/filings/0001193125-26-435152.md) | [12.0 d](/filings/0001193125-26-114051.md) | [8.1](/filings/0001193125-26-207665.md) | [9.3](/filings/0001193125-26-333905.md) | [12.6](/filings/0001193125-26-435152.md) | | Gross margin | % | [31.4% d](/filings/0001193125-26-114051.md) | [45.5%](/filings/0001193125-26-207665.md) | [41.3%](/filings/0001193125-26-333905.md) | [45.6%](/filings/0001193125-26-435152.md) | [58.5% d](/filings/0001193125-26-114051.md) | [51.6%](/filings/0001193125-26-207665.md) | [39.1%](/filings/0001193125-26-333905.md) | [42.6%](/filings/0001193125-26-435152.md) | | Operating margin | % | [36.1% d](/filings/0001193125-26-114051.md) | [(45.2%)](/filings/0001193125-26-207665.md) | [(44.2%)](/filings/0001193125-26-333905.md) | [(4.4%)](/filings/0001193125-26-435152.md) | [16.1% d](/filings/0001193125-26-114051.md) | [(8.3%)](/filings/0001193125-26-207665.md) | [(82.1%)](/filings/0001193125-26-333905.md) | [(6.6%)](/filings/0001193125-26-435152.md) | | Net margin | % | [20.9% d](/filings/0001193125-26-114051.md) | [(38.7%)](/filings/0001193125-26-333905.md) | [(35.1%)](/filings/0001193125-26-333905.md) | [2.8%](/filings/0001193125-26-435152.md) | [73.9% d](/filings/0001193125-26-114051.md) | [(6.4%)](/filings/0001193125-26-333905.md) | [(78.3%)](/filings/0001193125-26-333905.md) | [(4.7%)](/filings/0001193125-26-435152.md) | | Diluted EPS | $ per share | not reported | [(0.09)](/filings/0001193125-26-333905.md) | [(0.09)](/filings/0001193125-26-333905.md) | [0.01](/filings/0001193125-26-435152.md) | not reported | [(0.02)](/filings/0001193125-26-207665.md) | [(0.29)](/filings/0001193125-26-333905.md) | [(0.02)](/filings/0001193125-26-435152.md) | | Free cash flow | $m | [(2.3) d](/filings/0000950170-25-041974.md) | [(1.1)](/filings/0000950170-25-065032.md) | [(0.4) d](/filings/0000950170-25-104624.md) | [(3.5) d](/filings/0001193125-25-265826.md) | [(1.6) d](/filings/0001193125-26-114051.md) | [4.0](/filings/0001193125-26-207665.md) | [(4.8) d](/filings/0001193125-26-333905.md) | [(11.9) d](/filings/0001193125-26-435152.md) | - Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure. - Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure. - Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure. - Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure. - Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted. - Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment; Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations. Derived values: 12-month figure less the 9-month figure; 6-month figure less the 3-month figure; 9-month figure less the 6-month figure. ## Last five fiscal years | Line item | Unit | FY2021 (2021-12-31) | FY2022 (2022-12-31) | FY2023 (2023-12-31) | FY2024 (2024-12-31) | FY2025 (2025-12-31) | | --- | --- | ---: | ---: | ---: | ---: | ---: | | Revenue | $m | [62.0](/filings/0000950170-23-009473.md) | [72.4](/filings/0000950170-24-034668.md) | [60.9](/filings/0000950170-25-041974.md) | [24.6](/filings/0001193125-26-114051.md) | [32.2](/filings/0001193125-26-114051.md) | | Gross margin | % | [31.7%](/filings/0000950170-23-009473.md) | [28.2%](/filings/0000950170-24-034668.md) | [29.5%](/filings/0000950170-25-041974.md) | [2.5%](/filings/0001193125-26-114051.md) | [49.6%](/filings/0001193125-26-114051.md) | | Operating margin | % | [2.8%](/filings/0000950170-23-009473.md) | [2.2%](/filings/0000950170-24-034668.md) | [(13.0%)](/filings/0000950170-25-041974.md) | [(63.8%)](/filings/0001193125-26-114051.md) | [(10.5%)](/filings/0001193125-26-114051.md) | | Net margin | % | [3.8%](/filings/0000950170-23-009473.md) | [(3.1%)](/filings/0000950170-24-034668.md) | [(11.0%)](/filings/0000950170-25-041974.md) | [(55.5%)](/filings/0001193125-26-114051.md) | [15.8%](/filings/0001193125-26-114051.md) | | Diluted EPS | $ per share | [0.12](/filings/0000950170-23-009473.md) | [(0.11)](/filings/0000950170-24-034668.md) | [(0.32)](/filings/0000950170-25-041974.md) | [(0.65)](/filings/0001193125-26-114051.md) | [0.22](/filings/0001193125-26-114051.md) | | Free cash flow | $m | [5.1](/filings/0000950170-23-009473.md) | [(8.3)](/filings/0000950170-24-034668.md) | [(1.3)](/filings/0000950170-25-041974.md) | [(0.3)](/filings/0000950170-25-041974.md) | [(6.7)](/filings/0001193125-26-114051.md) | - Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. - Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. - Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. - Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. - Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted. - Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment; Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations. Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing. ## Insider purchases and sales The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/oss/insiders.md) None in coverage. ## Funds that report holding it From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md) | Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before | | --- | --- | ---: | ---: | --- | --- | | [BlackRock, Inc.](/funds/2012383.md) | 2026-06-30 | $33.4m | 1,837,840 | | Added +1,240,537 | | [JANE STREET GROUP, LLC](/funds/1595888.md) | 2026-06-30 | $23.8m | 1,309,455 | | Added +434,897 | | [VANGUARD CAPITAL MANAGEMENT LLC](/funds/2100119.md) | 2026-06-30 | $17.7m | 974,568 | | Added +14,980 | | [CITADEL ADVISORS LLC](/funds/1423053.md) | 2026-06-30 | $14.9m | 822,100 | Put | Added +608,000 | | [GEODE CAPITAL MANAGEMENT, LLC](/funds/1214717.md) | 2026-06-30 | $10.4m | 572,918 | | Added +320,465 | | [BARD ASSOCIATES INC](/funds/1105907.md) | 2026-06-30 | $9.6m | 526,370 | | Reduced −14,296 | | [SUSQUEHANNA INTERNATIONAL GROUP, LLP](/funds/1446194.md) | 2026-06-30 | $7.7m | 424,600 | Put | Added +327,200 | | [Palisades Investment Partners, LLC](/funds/1427373.md) | 2026-06-30 | $7.5m | 414,392 | | New +414,392 | | [RENAISSANCE TECHNOLOGIES LLC](/funds/1037389.md) | 2026-06-30 | $7.4m | 407,860 | | Added +147,900 | | [STATE STREET CORP](/funds/93751.md) | 2026-06-30 | $7.0m | 384,259 | | Added +282,583 | ## Recent filings [All 521 filings](/companies/oss/filings.md) | Filed | Accepted | Form | What it is | Accession | | --- | --- | --- | --- | --- | | 2026-10-28 | 08:12 ET | [8-K](/filings/0001193125-26-435175.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure | 0001193125-26-435175 | | 2026-10-28 | 08:00 ET | [10-Q](/filings/0001193125-26-435152.md) | Quarterly report, period 2026-09-30 | 0001193125-26-435152 | | 2026-08-05 | 12:47 ET | [8-K](/filings/0001193125-26-334453.md) | 1.01 Entry into a material agreement; 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-26-334453 | | 2026-08-05 | 08:01 ET | [10-Q](/filings/0001193125-26-333905.md) | Quarterly report, period 2026-06-30 | 0001193125-26-333905 | | 2026-05-19 | 16:15 ET | [8-K](/filings/0001193125-26-230781.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-26-230781 | | 2026-05-08 | 19:34 ET | [8-K](/filings/0001193125-26-212707.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure | 0001193125-26-212707 | | 2026-05-06 | 08:30 ET | [10-Q](/filings/0001193125-26-207665.md) | Quarterly report, period 2026-03-31 | 0001193125-26-207665 | | 2026-04-15 | 08:30 ET | [DEF 14A](/filings/0001193125-26-156058.md) | Proxy statement, period 2026-04-14 | 0001193125-26-156058 | | 2026-04-15 | 08:30 ET | [8-K](/filings/0001193125-26-156057.md) | 7.01 Regulation FD disclosure | 0001193125-26-156057 | | 2026-03-18 | 16:22 ET | [10-K](/filings/0001193125-26-114051.md) | Annual report, period 2025-12-31 | 0001193125-26-114051 | ## Latest annual report [Form 10-K for the fiscal year ended Dec 31, 2025](/filings/0001193125-26-114051.md), filed Mar 18, 2026. ## Forecast league Q3 FY2026, the quarter ended 2026-09-30, has been scored from the reported figures. [See the target](/leagues/2026q3/targets/88a21162-8973-4333-81ea-239b75c02a57) ## About the filer - CIK: 1394056 - Tickers: OSS - Exchange: Nasdaq - SIC code: 3571 Electronic Computers - State of incorporation: not reported - Filer category: Non-accelerated filer
Smaller reporting company Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 28, 2026, 09:14 ET. No prices; not investment advice.