Revenue
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
Koss Corp (KOSS)
Price$3.58Cached quote
Net income
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
Free cash flow
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
Total cash / debt
CashTotal debt
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
Financial statements
| 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | $13.0M | $12.6M | $12.3M | $13.1M | $17.7M | $19.5M | $18.3M | $21.8M | $23.5M | $24.1M | $26.0M | $24.2M | $23.8M | $35.8M | $37.9M | $41.5M |
| Gross profit | $5.5M | $4.8M | $4.2M | $4.5M | $6.7M | $6.7M | $5.7M | $6.8M | $6.6M | $6.9M | $8.9M | $8.4M | −$281,819 | $13.4M | $14.5M | $16.9M |
| Gross margin | 41.87% | 37.81% | 34.12% | 34.03% | 37.93% | 34.44% | 30.92% | 31.22% | 27.87% | 28.67% | 34.39% | 34.87% | −1.18% | 37.48% | 38.38% | 40.60% |
| Research & development | $229,736 | $213,870 | $238,086 | $288,231 | $285,244 | $410,602 | $397,360 | — | $427,009 | $213,653 | $91,259 | $0 | $1.0M | $1.4M | $1.3M | $900,000 |
| Operating expenses | $7.0M | $6.5M | $6.1M | $29.3M | $5.8M | $7.1M | $6.1M | $6.5M | $6.9M | — | — | $7.9M | $9.7M | $5.8M | $10.6M | $10.6M |
| Operating income | −$1.5M | −$1.7M | −$1.9M | −$24.9M | $902,023 | −$390,492 | −$484,042 | $276,308 | −$364,158 | — | — | $512,801 | −$10.0M | $7.6M | $3.9M | $6.3M |
| Operating margin | −11.62% | −13.76% | −15.26% | −189.96% | 5.09% | −2.00% | −2.64% | 1.27% | −1.55% | — | — | 2.12% | −41.96% | 21.37% | 10.26% | 15.06% |
| EBITDA | −$1.2M | −$1.5M | −$1.7M | −$24.7M | $1.2M | −$87,876 | −$153,413 | $706,058 | $162,103 | — | — | $1.1M | −$9.3M | $8.5M | $4.6M | $6.8M |
| EBITDA margin | −9.27% | −11.88% | −13.70% | −188.20% | 6.75% | −0.45% | −0.84% | 3.23% | 0.69% | — | — | 4.43% | −38.88% | 23.72% | 12.12% | 16.42% |
| Net income | −$391,464 | −$874,831 | −$950,911 | $8.3M | $1.3M | $493,594 | −$465,597 | $305,989 | −$3.4M | −$963,636 | $1.4M | $482,613 | −$5.6M | $5.4M | — | — |
| Net profit margin | −3.01% | −6.93% | −7.75% | 63.51% | 7.16% | 2.53% | −2.54% | 1.40% | −14.50% | −4.01% | 5.34% | 1.99% | −23.29% | 15.18% | — | — |
| Basic EPSper basic share | -$0.04 | -$0.09 | -$0.10 | $0.90 | $0.14 | $0.06 | -$0.06 | $0.04 | -$0.46 | -$0.13 | $0.19 | $0.07 | -$0.75 | $0.74 | $0.40 | $0.59 |
| Diluted EPSper diluted share | -$0.04 | -$0.09 | -$0.10 | $0.85 | $0.13 | $0.05 | -$0.06 | $0.04 | -$0.46 | -$0.13 | $0.19 | $0.07 | -$0.75 | $0.74 | $0.40 | $0.59 |
Owners
Reported shareholders
≈38.34%of listed shares
KOSS MICHAEL J3.63M shares · Feb 17, 2026
View holders
| Holder | % owned |
|---|---|
KOSS MICHAEL J | ≈38.34%3.63M shares |
VANGUARD CAPITAL MANAGEMENT LLC | 2.00%189.61K shares |
BlackRock, Inc. | 1.00%94.98K shares |
GEODE CAPITAL MANAGEMENT, LLC | 0.63%59.49K shares |
CITADEL ADVISORS LLC | 0.35%33.06K shares |
VANGUARD FIDUCIARY TRUST CO | 0.32%30.74K shares |
Koss Michael J Jr | ≈0.27%26.01K shares |
DIMENSIONAL FUND ADVISORS LP | 0.26%24.43K shares |
STATE STREET CORP | 0.19%17.97K shares |
JAMES INVESTMENT RESEARCH, INC. | 0.16%15.48K shares |
NewEdge Advisors, LLC | 0.16%15.48K shares |
NORTHERN TRUST CORP | 0.11%10.29K shares |
LILLIE LENORE | ≈0.03%2.5K shares |
UBS Group AG | 0.02%2.16K shares |
Vanguard Global Advisers, LLC | 0.02%2.04K shares |
N.E.W. Advisory Services LLC | 0.01%1K shares |
Activest Wealth Management | 0.01%1K shares |
Tower Research Capital LLC (TRC) | <0.01%672 shares |
CREATIVE FINANCIAL DESIGNS INC /ADV | <0.01%300 shares |
SBI Securities Co., Ltd. | <0.01%120 shares |
Percentages use 9.47M shares of this listed class outstanding on Jun 30, 2026. ≈ compares the latest reported holding with a share total from a different date; it is not a confirmed current stake.
Gray completes the 100% scale. Reported positions may overlap; holders have different reporting dates.
Source: SEC Form 4 ↗Updated Sep 29, 2026 · Quarterly data
Insider buys & sells
| Transaction | Insider | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| Dec 2, 2025Form 4 | LILLIE LENOREDirector | BuyCommon Stock | 2.5K | $4.96 | $12.4K | 2.5K |
| Jun 13, 2025Form 4 | Koss Michael J JrVP - Marketing & Product | SellCommon Stock | 24.6K | $4.78 | $117.8K | 26.0K |
| Jun 12, 2025Form 4 | KOSS JOHN C JRVice President - Sales | SellCommon Stock | 1.5K | $5.02 | $7.5K | 196.0K |
| Jun 12, 2025Form 4 | Koss Michael J JrVP - Marketing & Product | SellCommon Stock | 6.0K | $4.91 | $29.5K | 26.0K |
| Jun 11, 2025Form 4 | KOSS JOHN C JRVice President - Sales | SellCommon Stock | 23.5K | $5.65 | $132.8K | 196.0K |