Koss Corporation is a company in Milwaukee, Wisconsin, US that manufactures headphones. The company created the first high-fidelity stereo headphones in 1958.
| trading_symbol | registrant_name | time | price | change | percentage_change |
|---|---|---|---|---|---|
| KOSS | KOSS CORP | 2026-08-31 08:30:02 | 3.58 | 0.11 | 3.17 |
| trading_symbol | central_index_key | registrant_name | isin_number | lei_number | ein_number | exchange | sic_code | sic_description | fiscal_year_end | state_of_incorporation | address_street | address_city | address_state | address_zip_code | address_country | address_country_code | phone_number | mailing_address | business_address | former_name | industry | founding_date | chief_executive_officer | number_of_employees | website | market_cap | shares_issued | shares_outstanding | description | update_time |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| KOSS | 0000056701 | KOSS CORP | US5006921085 | — | 391168275 | Nasdaq | 3651 | Household Audio & Video Equipment | 0630 | DE | 4129 N PORT WASHINGTON AVE | MILWAUKEE | WI | 53212 | UNITED STATES | US | 4149645000 | 4129 N PORT WASHINGTON AVE, MILWAUKEE, WI, 53212 | 4129 N PORT WASHINGTON AVE, MILWAUKEE, WI, 53212 | — | Electronics | 1953 | Michael J. Koss | 28 | http://koss.com | 38,421,704 | 9,466,438 | 9,466,438 | Koss Corporation is a company in Milwaukee, Wisconsin, US that manufactures headphones. The company created the first high-fidelity stereo headphones in 1958. | 2026-08-27 22:41:23 |
| Fiscal Year | Market Cap | Change In Market Cap | Percentage Change In Market Cap | Shares Outstanding | Change In Shares Outstanding | Percentage Change In Shares Outstanding |
|---|---|---|---|---|---|---|
| 2026 | 21,928,899 | -16,492,805 | -42.9258 | 9,466,438 | 10,000 | 0.1057 |
| 2025 | 38,421,704 | 21,386,294 | 125.5402 | 9,456,438 | 156,643 | 1.6844 |
| 2024 | 17,035,410 | -7,814,545 | -31.4469 | 9,299,795 | 65,000 | 0.7039 |
| Executive Name | Executive Position | Fiscal Year | Salary | Bonus | Stock Awards | Incentive Plan Compensation | Other Compensation | Total Compensation |
|---|---|---|---|---|---|---|---|---|
| Kim M. Schulte | Chief Financial Officer | 2026 | 235,417 | — | — | 39,000 | 17,742 | 443,056 |
| Michael J. Koss | Chairman Of The Board, CEO | 2026 | 325,000 | — | — | 0 | 57,620 | 382,620 |
| John C. Koss | Jr. Vice President | 2025 | 241,008 | — | — | 107 | 40,592 | 281,707 |
| Michael J. Koss | Chairman Of The Board, CEO | 2025 | 325,000 | — | — | 0 | 54,509 | 379,509 |
| Kim M. Schulte | Chief Financial Officer | 2025 | 229,000 | — | — | 30,000 | 16,520 | 275,520 |
| Fiscal Year | Employee Count |
|---|---|
| 2026 | 30 |
| 2025 | 28 |
| 2013 | 61 |
| Fiscal Year | 2026 | 2025 | 2024 |
|---|---|---|---|
| Revenue | 13,020,773 | 12,624,170 | 12,265,069 |
| Cost Of Revenue | 7,568,362 | 7,850,572 | 8,079,622 |
| Gross Profit | 5,452,411 | 4,773,598 | 4,185,447 |
| Research And Development Expenses | 229,736 | 213,870 | 238,086 |
| General And Administrative Expenses | 6,964,862 | 6,510,721 | 6,057,606 |
| Operating Expenses | 6,964,862 | 6,510,721 | 6,057,606 |
| Operating Income | -1,512,451 | -1,737,123 | -1,872,159 |
| Net Income | -391,464 | -874,831 | -950,911 |
| Earnings Per Share Basic | -0.04 | -0.09 | -0.1 |
| Earnings Per Share Diluted | -0.04 | -0.09 | -0.1 |
| Weighted Average Shares Outstanding Basic | 9,462,904 | 9,363,117 | 9,251,373 |
| Weighted Average Shares Outstanding Diluted | 9,462,904 | 9,363,117 | 9,251,373 |
| Fiscal Year | 2026 | 2025 | 2024 |
|---|---|---|---|
| Cash And Cash Equivalents | 3,020,840 | 2,807,797 | 2,837,081 |
| Marketable Securities Current | 16,803,056 | 12,879,882 | 12,104,459 |
| Accounts Receivable | 1,221,760 | 1,135,672 | 1,208,319 |
| Inventories | 4,592,090 | 4,885,067 | 4,473,680 |
| Non Trade Receivables | 491,677 | 491,677 | 41,756 |
| Other Assets Current | 236,234 | 738,330 | 1,081,437 |
| Total Assets Current | 26,002,033 | 22,604,105 | 21,917,161 |
| Marketable Securities Non Current | — | 4,000,774 | 4,994,327 |
| Property Plant And Equipment | 1,498,230 | 1,476,898 | 1,223,391 |
| Other Assets Non Current | 9,158,501 | 13,103,606 | 14,058,927 |
| Total Assets Non Current | 10,656,731 | 14,580,504 | 15,282,318 |
| Total Assets | 36,658,764 | 37,184,609 | 37,199,479 |
| Accounts Payable | 293,657 | 819,330 | 329,829 |
| Deferred Revenue | 241,432 | 242,644 | 289,895 |
| Short Term Debt | — | — | — |
| Other Liabilities Current | 1,007,487 | 582,140 | 402,347 |
| Total Liabilities Current | 1,863,271 | 1,939,651 | 1,297,658 |
| Long Term Debt | — | — | — |
| Other Liabilities Non Current | — | — | — |
| Total Liabilities Non Current | 4,635,838 | 4,634,923 | 4,754,645 |
| Total Liabilities | 6,499,109 | 6,574,574 | 6,052,303 |
| Common Stock | 47,332 | 47,282 | 46,499 |
| Retained Earnings | 16,429,905 | 16,821,369 | 17,696,200 |
| Accumulated Other Comprehensive Income | -104,949 | — | — |
| Total Shareholders Equity | 30,159,655 | 30,610,035 | 31,147,176 |
| Fiscal Year | 2026 | 2025 | 2024 |
|---|---|---|---|
| Depreciation And Amortization | 295,154 | 237,210 | 192,272 |
| Share Based Compensation Expense | 24,933 | 31,782 | 155,834 |
| Other Non Cash Income Expense | — | — | — |
| Change In Accounts Receivable | 86,088 | -72,526 | -175,303 |
| Change In Inventories | -292,977 | 411,387 | -1,949,761 |
| Change In Non Trade Receivables | -18,793 | -5,577 | -45,145 |
| Change In Other Assets | -502,096 | -343,107 | 78,923 |
| Change In Accounts Payable | -525,673 | 489,501 | 62,316 |
| Change In Other Liabilities | 425,347 | 119,282 | -939,692 |
| Cash From Operating Activities | 439,207 | -214,908 | -190,531 |
| Purchases Of Marketable Securities | — | — | — |
| Sales Of Marketable Securities | — | — | — |
| Acquisition Of Property Plant And Equipment | 316,486 | 490,717 | 461,760 |
| Acquisition Of Business | — | — | — |
| Other Investing Activities | — | — | — |
| Cash From Investing Activities | -237,497 | -120,284 | -198,425 |
| Tax Withholding For Share Based Compensation | — | — | — |
| Payments Of Dividends | — | — | — |
| Issuance Of Common Stock | 21,100 | 305,908 | 134,975 |
| Repurchase Of Common Stock | — | — | — |
| Issuance Of Long Term Debt | — | — | — |
| Repayment Of Long Term Debt | — | — | — |
| Other Financing Activities | — | — | — |
| Cash From Financing Activities | 11,333 | 305,908 | 134,975 |
| Change In Cash | 213,043 | -29,284 | -253,981 |
| Cash At End Of Period | 3,020,840 | 2,807,797 | 2,837,081 |
| Income Taxes Paid | -8,923 | 4,847 | -67,410 |
| Interest Paid | 2,116 | — | — |
| Fiscal Year | 2026 | 2025 | 2024 |
|---|---|---|---|
| Earnings Per Share | -0.04 | -0.09 | -0.1 |
| Price To Earnings Ratio | -100.25 | -56.6667 | -45.9 |
| Earnings Growth Rate | -55.5556 | -10 | -111.1111 |
| Price Earnings To Growth Ratio | 1.8045 | 5.6667 | 0.4131 |
| Book Value Per Share | 3.1871 | 3.2692 | 3.3668 |
| Price To Book Ratio | 1.2582 | 1.56 | 1.3633 |
| Ebitda | -105,233 | -632,774 | -826,049 |
| Enterprise Value | — | — | — |
| Dividend Yield | — | — | — |
| Dividend Payout Ratio | — | — | — |
| Debt To Equity Ratio | — | — | — |
| Capital Expenditures | 316,486 | 490,717 | 461,760 |
| Free Cash Flow | 122,721 | -705,625 | -652,291 |
| Return On Equity | -0.013 | -0.0286 | -0.0305 |
| One Year Beta | 1.3179 | 1.5657 | 1.0202 |
| Three Year Beta | 1.4081 | 1.2971 | 1.226 |
| Five Year Beta | 1.3309 | 0.352 | 0.1287 |
| Insider Name | Relationship To Issuer | Transaction Date | Amount Of Securities | Acquired Or Disposed | Securities Owned Following Transaction |
|---|---|---|---|---|---|
| Koss Michael J Jr | Executive Vice President | 2026-05-06 | 100,000 | A | 100,000 |
| Schulte Kim M. | Chief Financial Officer | 2026-05-06 | 50,000 | A | 50,000 |
| KOSS MICHAEL J | Director, President and CEO, 10% owner | 2026-02-17 | 12,000 | D | 0 |
| LILLIE LENORE | Director | 2025-12-02 | 2,500 | A | 2,500 |
| Koss Michael J Jr | VP - Marketing & Product | 2025-06-13 | 24,643 | A | 50,643 |
| Investor Name | Period Of Report | Market Value | Amount Of Securities | Price Per Security |
|---|---|---|---|---|
| CITADEL ADVISORS LLC | 2026-06-30 | 132,563 | 33,058 | 4.01 |
| BARCLAYS PLC | 2026-06-30 | 92 | 23 | 4 |
| OSAIC HOLDINGS, INC. | 2026-06-30 | 200 | 50 | 4 |
| VANGUARD FIDUCIARY TRUST CO | 2026-06-30 | 123,267 | 30,740 | 4.01 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2026-06-30 | 760,324 | 189,607 | 4.01 |
| Registrant Name | Period Of Report | Fund Name | Fund Symbol | Amount Of Units | Value In Usd | Percentage Value Compared To Assets |
|---|---|---|---|---|---|---|
| VANGUARD INDEX FUNDS | 2026-06-30 | Institutional Select Shares | VSTSX | 122,145 | 489,801.45 | 0.0 |
| VANGUARD INDEX FUNDS | 2026-06-30 | Institutional Plus Shares | VSMPX | 122,145 | 489,801.45 | 0.0 |
| VANGUARD INDEX FUNDS | 2026-06-30 | ETF Shares | VTI | 122,145 | 489,801.45 | 0.0 |
| VANGUARD INDEX FUNDS | 2026-06-30 | Institutional Shares | VITSX | 122,145 | 489,801.45 | 0.0 |
| VANGUARD INDEX FUNDS | 2026-06-30 | Admiral Shares | VTSAX | 122,145 | 489,801.45 | 0.0 |