# Koss Corp: overview KOSS · Nasdaq · CIK 56701 · [Technology](/sectors/technology.md) · fiscal year ends Jun 30 Pages: [Overview](/companies/koss.md) · [Financials](/companies/koss/financials.md) · [Filings](/companies/koss/filings.md) · [Insiders](/companies/koss/insiders.md) Latest reported revenue: [$3.3m](/filings/0000056701-26-000034.md) for Q4 FY2026, three months to 2026-06-30, from the 10-K filed Aug 28, 2026 (XBRL us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax, accession 0000056701-26-000034). ## Last eight quarters | Line item | Unit | Q1 FY2025 (2024-09-30) | Q2 FY2025 (2024-12-31) | Q3 FY2025 (2025-03-31) | Q4 FY2025 (2025-06-30) | Q1 FY2026 (2025-09-30) | Q2 FY2026 (2025-12-31) | Q3 FY2026 (2026-03-31) | Q4 FY2026 (2026-06-30) | | --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | | Revenue | $k | [3,202](/filings/0000056701-25-000059.md) | [3,557](/filings/0000056701-26-000008.md) | [2,781](/filings/0000056701-26-000017.md) | [3,084 d](/filings/0000056701-26-000034.md) | [4,071](/filings/0000056701-25-000059.md) | [2,861](/filings/0000056701-26-000008.md) | [2,825](/filings/0000056701-26-000017.md) | [3,264 d](/filings/0000056701-26-000034.md) | | Gross margin | % | [36.6%](/filings/0000056701-25-000059.md) | [39.5%](/filings/0000056701-26-000008.md) | [39.0%](/filings/0000056701-26-000017.md) | [36.0% d](/filings/0000056701-26-000034.md) | [40.0%](/filings/0000056701-25-000059.md) | [29.0%](/filings/0000056701-26-000008.md) | [35.5%](/filings/0000056701-26-000017.md) | [61.0% d](/filings/0000056701-26-000034.md) | | Operating margin | % | [(19.9%)](/filings/0000056701-25-000059.md) | [(4.0%)](/filings/0000056701-26-000008.md) | [(18.7%)](/filings/0000056701-26-000017.md) | [(14.2%) d](/filings/0000056701-26-000034.md) | [(1.1%)](/filings/0000056701-25-000059.md) | [(35.5%)](/filings/0000056701-26-000008.md) | [(25.5%)](/filings/0000056701-26-000017.md) | [8.2% d](/filings/0000056701-26-000034.md) | | Net margin | % | [(13.1%)](/filings/0000056701-25-000059.md) | [2.6%](/filings/0000056701-26-000008.md) | [(11.4%)](/filings/0000056701-26-000017.md) | [(7.5%) d](/filings/0000056701-26-000034.md) | [6.0%](/filings/0000056701-25-000059.md) | [(19.8%)](/filings/0000056701-26-000008.md) | [(19.3%)](/filings/0000056701-26-000017.md) | [14.6% d](/filings/0000056701-26-000034.md) | | Diluted EPS | $ per share | [(0.05)](/filings/0000056701-25-000059.md) | [0.01](/filings/0000056701-26-000008.md) | [(0.03)](/filings/0000056701-26-000017.md) | not reported | [0.03](/filings/0000056701-25-000059.md) | [(0.06)](/filings/0000056701-26-000008.md) | [(0.06)](/filings/0000056701-26-000017.md) | not reported | | Free cash flow | $k | [(156)](/filings/0000056701-25-000059.md) | [(314) d](/filings/0000056701-26-000008.md) | [306 d](/filings/0000056701-26-000017.md) | [(542) d](/filings/0000056701-26-000034.md) | [762](/filings/0000056701-25-000059.md) | [(1,073) d](/filings/0000056701-26-000008.md) | [(586) d](/filings/0000056701-26-000017.md) | [1,020 d](/filings/0000056701-26-000034.md) | - Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. Derived values: 12-month figure less the 9-month figure. - Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. Derived values: 12-month figure less the 9-month figure. - Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. Derived values: 12-month figure less the 9-month figure. - Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 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. Derived values: 6-month figure less the 3-month figure; 9-month figure less the 6-month figure; 12-month figure less the 9-month figure. ## Last five fiscal years | Line item | Unit | FY2022 (2022-06-30) | FY2023 (2023-06-30) | FY2024 (2024-06-30) | FY2025 (2025-06-30) | FY2026 (2026-06-30) | | --- | --- | ---: | ---: | ---: | ---: | ---: | | Revenue | $m | [17.7](/filings/0000056701-23-000026.md) | [13.1](/filings/0000056701-24-000028.md) | [12.3](/filings/0000056701-25-000044.md) | [12.6](/filings/0000056701-26-000034.md) | [13.0](/filings/0000056701-26-000034.md) | | Gross margin | % | [37.9%](/filings/0000056701-23-000026.md) | [34.0%](/filings/0000056701-24-000028.md) | [34.1%](/filings/0000056701-25-000044.md) | [37.8%](/filings/0000056701-26-000034.md) | [41.9%](/filings/0000056701-26-000034.md) | | Operating margin | % | [5.1%](/filings/0000056701-23-000026.md) | [(190.0%)](/filings/0000056701-24-000028.md) | [(15.3%)](/filings/0000056701-25-000044.md) | [(13.8%)](/filings/0000056701-26-000034.md) | [(11.6%)](/filings/0000056701-26-000034.md) | | Net margin | % | [7.2%](/filings/0000056701-23-000026.md) | [63.5%](/filings/0000056701-24-000028.md) | [(7.8%)](/filings/0000056701-25-000044.md) | [(6.9%)](/filings/0000056701-26-000034.md) | [(3.0%)](/filings/0000056701-26-000034.md) | | Diluted EPS | $ per share | [0.13](/filings/0000056701-23-000026.md) | [0.85](/filings/0000056701-24-000028.md) | [(0.10)](/filings/0000056701-25-000044.md) | [(0.09)](/filings/0000056701-26-000034.md) | [(0.04)](/filings/0000056701-26-000034.md) | | Free cash flow | $m | [(1.1)](/filings/0000056701-23-000026.md) | [10.6](/filings/0000056701-24-000028.md) | [(0.7)](/filings/0000056701-25-000044.md) | [(0.7)](/filings/0000056701-26-000034.md) | [0.1](/filings/0000056701-26-000034.md) | - Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. - Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. - Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. - Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. - 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. 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/koss/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 | | --- | --- | ---: | ---: | --- | --- | | [VANGUARD CAPITAL MANAGEMENT LLC](/funds/2100119.md) | 2026-06-30 | $760.3k | 189,607 | | Unchanged | | [BlackRock, Inc.](/funds/2012383.md) | 2026-06-30 | $380.9k | 94,977 | | Added +5,376 | | [GEODE CAPITAL MANAGEMENT, LLC](/funds/1214717.md) | 2026-06-30 | $238.6k | 59,491 | | Added +3,578 | | [CITADEL ADVISORS LLC](/funds/1423053.md) | 2026-06-30 | $132.6k | 33,058 | | New +33,058 | | [VANGUARD FIDUCIARY TRUST CO](/funds/933478.md) | 2026-06-30 | $123.3k | 30,740 | | Reduced −594 | | [DIMENSIONAL FUND ADVISORS LP](/funds/354204.md) | 2026-06-30 | $98.0k | 24,433 | | Added +2,822 | | [STATE STREET CORP](/funds/93751.md) | 2026-06-30 | $72.1k | 17,974 | | Unchanged | | [JAMES INVESTMENT RESEARCH, INC.](/funds/810384.md) | 2026-06-30 | $62.1k | 15,475 | | Unchanged | | [NewEdge Advisors, LLC](/funds/1633516.md) | 2026-06-30 | $62.1k | 15,475 | | Unchanged | | [NORTHERN TRUST CORP](/funds/73124.md) | 2026-06-30 | $41.3k | 10,287 | | Reduced −3,998 | ## Recent filings [All 481 filings](/companies/koss/filings.md) | Filed | Accepted | Form | What it is | Accession | | --- | --- | --- | --- | --- | | 2026-10-29 | 17:20 ET | [8-K](/filings/0000056701-26-000046.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000056701-26-000046 | | 2026-10-16 | 10:12 ET | [8-K](/filings/0000056701-26-000041.md) | 5.07 Shareholder vote results | 0000056701-26-000041 | | 2026-08-28 | 18:10 ET | [DEF 14A](/filings/0000056701-26-000036.md) | Proxy statement, period 2026-08-27 | 0000056701-26-000036 | | 2026-08-28 | 18:01 ET | [10-K](/filings/0000056701-26-000034.md) | Annual report, period 2026-06-30 | 0000056701-26-000034 | | 2026-08-27 | 17:19 ET | [8-K](/filings/0000056701-26-000032.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000056701-26-000032 | | 2026-05-08 | 18:07 ET | [10-Q](/filings/0000056701-26-000017.md) | Quarterly report, period 2026-03-31 | 0000056701-26-000017 | | 2026-05-07 | 17:19 ET | [8-K](/filings/0000056701-26-000015.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000056701-26-000015 | | 2026-01-30 | 18:10 ET | [10-Q](/filings/0000056701-26-000008.md) | Quarterly report, period 2025-12-31 | 0000056701-26-000008 | | 2026-01-29 | 17:18 ET | [8-K](/filings/0000056701-26-000006.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000056701-26-000006 | | 2025-10-31 | 18:23 ET | [10-Q](/filings/0000056701-25-000059.md) | Quarterly report, period 2025-09-30 | 0000056701-25-000059 | ## Latest annual report [Form 10-K for the fiscal year ended Jun 30, 2026](/filings/0000056701-26-000034.md), filed Aug 28, 2026. ## Forecast league Q1 FY2027, the quarter ended 2026-09-30, locked when the 8-K was accepted. It is scored when the 10-Q or 10-K is ingested. [See the target](/leagues/2026q3/targets/bcce2d0f-d853-4a6d-9360-8f4c58698a15) ## About the filer - CIK: 56701 - Tickers: KOSS - Exchange: Nasdaq - SIC code: 3651 Household Audio & Video Equipment - State of incorporation: DE - 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 29, 2026, 17:21 ET. No prices; not investment advice.