KOSS
Koss Corporation
NASDAQ: KOSS · TECHNOLOGY · CONSUMER ELECTRONICS
$4.33
+3.59% today
Updated 2026-04-30
Market cap
$41.18M
P/E ratio
—
P/S ratio
3.22x
EPS (TTM)
$-0.09
Dividend yield
—
52W range
$4 – $9
Volume
0.0M
Koss Corporation (KOSS) Financial statements
SEC filings — annual and quarterly data.
Income statement — annual
| Item | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | $50.89M | $46.20M | $46.94M | $38.18M | $40.60M | $41.52M | $37.87M | $35.76M | $23.84M | $24.23M | $26.00M | $24.05M | $23.52M | $21.84M | $18.31M | $19.55M | $17.71M | $13.10M | $12.27M | $12.62M |
| Revenue growth (YoY) | — | -9.2% | +1.6% | -18.7% | +6.3% | +2.3% | -8.8% | -5.5% | -33.3% | +1.6% | +7.3% | -7.5% | -2.2% | -7.1% | -16.2% | +6.7% | -9.4% | -26.0% | -6.4% | +2.9% |
| Cost of revenue | $31.10M | $28.28M | $29.15M | $24.92M | $23.73M | $24.66M | $23.33M | $22.76M | $24.12M | $15.78M | $17.06M | $17.16M | $16.93M | $15.02M | $12.65M | $12.81M | $10.99M | $8.64M | $8.08M | $7.85M |
| Gross profit | $19.80M | $17.92M | $17.79M | $13.27M | $16.87M | $16.86M | $14.53M | $13.01M | $-281819.00 | $8.45M | $8.94M | $6.90M | $6.58M | $6.82M | $5.66M | $6.73M | $6.72M | $4.46M | $4.19M | $4.77M |
| Gross margin | 38.9% | 38.8% | 37.9% | 34.7% | 41.5% | 40.6% | 38.4% | 36.4% | -1.2% | 34.9% | 34.4% | 28.7% | 28.0% | 31.2% | 30.9% | 34.4% | 37.9% | 34.0% | 34.1% | 37.8% |
| R&D | $320000.00 | $233000.00 | $981000.00 | $1.56M | $766000.00 | $900000.00 | $1.31M | $1.44M | $1.02M | $91259.00 | $91259.00 | $213653.00 | $427009.00 | $334789.00 | $397360.00 | $410602.00 | $285244.00 | $288231.00 | $238086.00 | $213870.00 |
| SG&A | $10.06M | $10.07M | $10.79M | $10.65M | $9.87M | $11.43M | $12.12M | $12.95M | $10.47M | $7.90M | $7.96M | $7.60M | $6.94M | $6.42M | $6.15M | $7.12M | $704253.00 | $29.36M | $96004.00 | $133330.00 |
| Operating income | $9.73M | $7.85M | $7.00M | $2.61M | $-4.96M | $6.25M | $3.89M | $7.64M | $-10.00M | $512801.00 | $2.27M | $-772126.00 | $-356911.00 | $404433.00 | $-484042.00 | $-390492.00 | $902023.00 | $-24.90M | $-1.87M | $-1.74M |
| Operating margin | 19.1% | 17.0% | 14.9% | 6.8% | -12.2% | 15.1% | 10.3% | 21.4% | -42.0% | 2.1% | 8.7% | -3.2% | -1.5% | 1.9% | -2.6% | -2.0% | 5.1% | -190.1% | -15.3% | -13.8% |
| EBITDA | $10.69M | $8.82M | $7.96M | $3.71M | $-4.32M | $6.88M | $4.73M | $10.04M | $-8.91M | $1.07M | $2.76M | $-268541.00 | $162103.00 | $834183.00 | $-153413.00 | $-87876.00 | $1.20M | $-24.67M | $-2.62M | $-2.50M |
| EBITDA margin | 21.0% | 19.1% | 17.0% | 9.7% | -10.6% | 16.6% | 12.5% | 28.1% | -37.4% | 4.4% | 10.6% | -1.1% | 0.7% | 3.8% | -0.8% | -0.4% | 6.8% | -188.3% | -21.4% | -19.8% |
| EBIT | $9.73M | $7.85M | $7.00M | $2.89M | $-4.96M | $6.32M | $3.89M | $7.64M | $-10.00M | $512801.00 | $2.27M | $-772126.00 | $-364158.00 | $404433.00 | $-484042.00 | $-390492.00 | $902023.00 | $-24.90M | $-2.81M | $-2.74M |
| Interest expense | $0.00 | $0.00 | $0.00 | $216751.00 | $429138.00 | $52419.00 | $124423.00 | $56079.00 | $49589.00 | $12813.00 | $6075.00 | $964.00 | $5218.00 | $3178.00 | $350814.00 | $1.19M | $11513.00 | $520809.00 | — | — |
| Income tax | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Effective tax rate | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
| Net income | $6.22M | $5.16M | $4.49M | $1.98M | $-3.57M | $4.37M | $2.94M | $5.43M | $-5.55M | $482613.00 | $1.39M | $-963636.00 | $-3.39M | $434114.00 | $-465597.00 | $493594.00 | $1.27M | $8.30M | $-950911.00 | $-874831.00 |
| Net income growth (YoY) | — | -17.1% | -12.8% | -56.0% | -280.7% | +222.4% | -32.8% | +84.6% | -202.3% | +108.7% | +187.8% | -169.4% | -251.4% | +112.8% | -207.3% | +206.0% | +157.0% | +554.6% | -111.5% | +8.0% |
| Profit margin | 12.2% | 11.2% | 9.6% | 5.2% | -8.8% | 10.5% | 7.8% | 15.2% | -23.3% | 2.0% | 5.3% | -4.0% | -14.4% | 2.0% | -2.5% | 2.5% | 7.2% | 63.4% | -7.8% | -6.9% |