KOSS CORP (KOSS) Stock Profile — Insider Trades & Financials

Revenue$3.3M

Net Income$476.8K

EPS$-0.04

Gross Margin61.0%

Market Cap$36.4M

Price Performance

Historical data including institutional events

Company Profile

Michael Koss

CEO & Executive Director

Koss Corporation is a company in Milwaukee, Wisconsin, US that manufactures headphones. The company created the first high-fidelity stereo headphones in 1958.

Founded: 1953
Employees: 31
Headquarters: MILWAUKEE, WI, United States
Website: www.koss.com

Peer ComparisonRevenue ($B)

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Revenue$3.3M

Net Income$476.8K

EPS$-0.04

Gross Margin61.0%

Market Cap$36.4M

Price Performance

Historical data including institutional events

Company Profile

Michael Koss

CEO & Executive Director

Koss Corporation is a company in Milwaukee, Wisconsin, US that manufactures headphones. The company created the first high-fidelity stereo headphones in 1958.

Founded: 1953
Employees: 31
Headquarters: MILWAUKEE, WI, United States
Website: www.koss.com

Peer ComparisonRevenue ($B)

▾

Cross-Section Event Timeline

INSIDERS · CONGRESS · EARNINGS

INSIDER SELLMichael J. Koss sold KOSSAug 31, 2021

INSIDER SELLMichael J. Koss sold KOSSSep 1, 2021

INSIDER SELLMichael J. Koss Jr. sold KOSSSep 15, 2021

INSIDER SELLDavid Donnan Smith sold KOSSNov 2, 2021

INSIDER BUYWilliam Jesse Sweasy bought KOSSJun 1, 2022

INSIDER BUYWilliam Jesse Sweasy bought KOSSJun 2, 2022

INSIDER SELLJohn C. Koss Jr. sold KOSSMay 20, 2024

INSIDER SELLJohn C. Koss Jr. sold KOSSDec 12, 2024

INSIDER SELLJohn C. Koss Jr. sold KOSSJun 10, 2025

INSIDER SELLJohn C. Koss Jr. sold KOSSJun 11, 2025

INSIDER SELLMichael J. Koss Jr. sold KOSSJun 12, 2025

INSIDER SELLJohn C. Koss Jr. sold KOSSJun 12, 2025

INSIDER SELLMichael J. Koss Jr. sold KOSSJun 13, 2025

INSIDER BUYLenore Lillie bought KOSSDec 2, 2025

INSIDER GRANT / AWARDMichael J. Koss Jr. (Executive Vice President) GRANT / AWARD KOSSMay 6, 2026

INSIDER GRANT / AWARDKim M. Schulte (Chief Financial Officer) GRANT / AWARD KOSSMay 6, 2026

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Core Efficiency

ROE?

1.58%

ROA?

1.30%

D/E Ratio?

0.22

Op. Margin?

8.19%

📊

Profitability Ratios

Net Margin?

14.61%

Current Ratio?

13.96

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Earnings Calendar

Filing history and next expected filing date

Next Expected Filing

Nov 26, 2026 (in 44 days)

Annual Report (10-K) — Based on filing pattern

Nov 26, 2026

Predicted10-K

Aug 28, 2026

10-KQ4 202659d after period end

May 8, 2026

10-QQ3 202638d after period end

Jan 30, 2026

10-QQ2 202630d after period end

Oct 31, 2025

10-QQ1 202631d after period end

Aug 29, 2025

10-KQ4 202560d after period end

Aug 29, 2025

10-KFY 202560d after period end

May 9, 2025

10-QQ3 202539d after period end

Jan 31, 2025

10-QQ2 202531d after period end

Data Freshness

Financial Data

1mo ago

Latest filing: 2026-08-28

SEC Metadata

1mo ago

Latest filing: 2026-08-28

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Cross-Section Event Timeline

INSIDERS · CONGRESS · EARNINGS

INSIDER SELLMichael J. Koss sold KOSSAug 31, 2021

INSIDER SELLMichael J. Koss sold KOSSSep 1, 2021

INSIDER SELLMichael J. Koss Jr. sold KOSSSep 15, 2021

INSIDER SELLDavid Donnan Smith sold KOSSNov 2, 2021

INSIDER BUYWilliam Jesse Sweasy bought KOSSJun 1, 2022

INSIDER BUYWilliam Jesse Sweasy bought KOSSJun 2, 2022

INSIDER SELLJohn C. Koss Jr. sold KOSSMay 20, 2024

INSIDER SELLJohn C. Koss Jr. sold KOSSDec 12, 2024

INSIDER SELLJohn C. Koss Jr. sold KOSSJun 10, 2025

INSIDER SELLJohn C. Koss Jr. sold KOSSJun 11, 2025

INSIDER SELLMichael J. Koss Jr. sold KOSSJun 12, 2025

INSIDER SELLJohn C. Koss Jr. sold KOSSJun 12, 2025

INSIDER SELLMichael J. Koss Jr. sold KOSSJun 13, 2025

INSIDER BUYLenore Lillie bought KOSSDec 2, 2025

INSIDER GRANT / AWARDMichael J. Koss Jr. (Executive Vice President) GRANT / AWARD KOSSMay 6, 2026

INSIDER GRANT / AWARDKim M. Schulte (Chief Financial Officer) GRANT / AWARD KOSSMay 6, 2026

⚡

Core Efficiency

ROE?

1.58%

ROA?

1.30%

D/E Ratio?

0.22

Op. Margin?

8.19%

📊

Profitability Ratios

Net Margin?

14.61%

Current Ratio?

13.96

Loading comparison...

Earnings Calendar

Filing history and next expected filing date

Next Expected Filing

Nov 26, 2026 (in 44 days)

Annual Report (10-K) — Based on filing pattern

Nov 26, 2026

Predicted10-K

Aug 28, 2026

10-KQ4 202659d after period end

May 8, 2026

10-QQ3 202638d after period end

Jan 30, 2026

10-QQ2 202630d after period end

Oct 31, 2025

10-QQ1 202631d after period end

Aug 29, 2025

10-KQ4 202560d after period end

Aug 29, 2025

10-KFY 202560d after period end

May 9, 2025

10-QQ3 202539d after period end

Jan 31, 2025

10-QQ2 202531d after period end

Data Freshness

Financial Data

1mo ago

Latest filing: 2026-08-28

SEC Metadata

1mo ago

Latest filing: 2026-08-28

KOSS CORP

Price Performance

Company Profile

KOSS CORP

Price Performance

Company Profile

Core Efficiency

Profitability Ratios

Earnings Calendar

Data Freshness

Recent Insider Trades

Core Efficiency

Profitability Ratios

Earnings Calendar

Data Freshness

Recent Insider Trades

KOSS CORP

Price Performance

Company Profile

The morning brief, before the bell.

KOSS CORP

Price Performance

Company Profile

Core Efficiency

Profitability Ratios

Earnings Calendar

Data Freshness

Recent Insider Trades

Core Efficiency

Profitability Ratios

Earnings Calendar

Data Freshness

Recent Insider Trades