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KOSS CORP

CIK: 56701 SIC: 3651
696
Total Filings
12
Filing Categories
131
Financial Reports
All Categories 696 Financial Reports 131 Current Event Reports 153 Registration Statements 5 Proxy & Shareholder Statements 40 Prospectus Filings 1 Insider Trading 271 Beneficial Ownership 47 Employee Benefit Plans 5 Specialized Disclosure 12 Annual Reports to Shareholders 7 SEC Correspondence 20 Other Filings 4

Current Event Reports

Reports of material events and corporate changes

153 filings
Form Filing Type Period Filed Date Action
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2026-01-29
2026-01-29
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2025-10-30
2025-10-30
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2025-10-15
2025-10-20
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2025-08-28
2025-08-28
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2025-05-08
2025-05-08
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2025-05-06
2025-05-08
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2025-01-30
2025-01-30
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2024-10-31
2024-10-31
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2024-10-16
2024-10-21
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2024-08-29
2024-08-29
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2024-05-09
2024-05-09
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2024-02-01
2024-02-01
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2023-10-26
2023-10-26
SEC
8-K/A
Amended Current Report
Amendment to current report
2023-10-18
2023-10-26
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2023-10-18
2023-10-23
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2023-08-24
2023-08-24
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2023-07-26
2023-07-27
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2023-05-11
2023-05-11
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2023-01-26
2023-01-26
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2022-10-28
2022-10-28
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2022-10-21
2022-10-21
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2022-08-25
2022-08-25
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2022-07-25
2022-07-25
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2022-05-05
2022-05-05
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2022-02-03
2022-02-03
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2021-10-28
2021-10-28
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2021-10-14
2021-10-14
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2021-08-19
2021-08-19
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2021-07-21
2021-07-27
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2021-05-12
2021-05-12
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2021-01-28
2021-01-28
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2020-10-29
2020-10-29
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2020-10-14
2020-10-15
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2020-08-20
2020-08-20
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2020-07-23
2020-07-23
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2020-05-07
2020-05-07
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2020-01-30
2020-01-30
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2019-11-07
2019-11-07
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2019-10-17
2019-10-17
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2019-08-22
2019-08-22
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2019-05-16
2019-05-16
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2019-05-09
2019-05-09
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2019-03-07
2019-03-07
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2019-01-24
2019-01-24
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2018-12-18
2018-12-18
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2018-11-01
2018-11-01
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2018-10-11
2018-10-11
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2018-08-16
2018-08-16
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2018-05-10
2018-05-10
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2018-01-30
2018-01-30
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2017-10-25
2017-10-25
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2017-10-12
2017-10-12
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2017-08-24
2017-08-25
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2017-05-17
2017-05-17
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2017-05-11
2017-05-11
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2017-03-09
2017-03-10
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2017-01-26
2017-01-26
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2016-10-27
2016-10-27
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2016-10-12
2016-10-13
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2016-08-18
2016-08-18
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2016-05-12
2016-05-12
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2016-02-12
2016-02-12
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2016-01-28
2016-01-28
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2015-10-29
2015-10-29
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2015-10-14
2015-10-15
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2015-08-20
2015-08-21
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2015-05-07
2015-05-07
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2015-01-29
2015-01-30
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2014-11-05
2014-11-06
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2014-10-24
2014-10-24
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2014-10-22
2014-10-22
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2014-10-15
2014-10-15
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2014-08-27
2014-08-27
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2014-05-14
2014-05-14
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2014-02-13
2014-02-13
SEC
8-K/A
Amended Current Report
Amendment to current report
2014-01-30
2014-02-11
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2013-10-23
2013-10-25
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2013-10-24
2013-10-25
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2013-08-06
2013-08-06
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2013-07-03
2013-07-05
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2013-04-25
2013-04-25
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2013-01-29
2013-01-30
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2012-10-24
2012-10-25
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2012-10-05
2012-10-09
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2012-08-23
2012-08-24
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2012-04-26
2012-04-27
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2012-01-26
2012-01-26
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2011-10-25
2011-10-25
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2011-10-24
2011-10-25
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2011-10-05
2011-10-11
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2011-09-06
2011-09-09
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2011-08-30
2011-08-31
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2011-06-24
2011-06-30
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2011-05-19
2011-05-23
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2011-04-20
2011-04-21
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2011-01-20
2011-01-20
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2010-10-27
2010-10-28
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2010-10-19
2010-10-19
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2010-08-19
2010-08-20
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2010-07-01
2010-07-06
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2010-06-30
2010-06-30
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2010-06-03
2010-06-08
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2010-05-12
2010-05-17
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2010-02-25
2010-02-26
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2010-02-19
2010-02-24
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2010-02-16
2010-02-17
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2010-01-18
2010-01-20
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2010-01-11
2010-01-11
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2010-01-05
2010-01-07
SEC
8-K/A
Amended Current Report
Amendment to current report
2010-01-05
2010-01-07
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2009-12-31
2010-01-04
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2009-12-23
2009-12-24
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2009-12-21
2009-12-21
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2009-12-01
2009-12-01
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2009-11-19
2009-11-20
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2009-10-13
2009-10-15
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2009-09-10
2009-09-16
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2009-07-20
2009-07-21
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2009-04-15
2009-04-16
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2009-02-16
2009-02-26
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2009-01-14
2009-01-15
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2008-10-06
2008-10-09
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2008-07-14
2008-07-15
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2008-04-08
2008-04-11
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2008-01-15
2008-01-22
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2007-11-06
2007-11-13
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2007-10-08
2007-10-09
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2007-07-16
2007-07-17
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2007-04-10
2007-04-12
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2007-01-11
2007-01-12
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2006-10-05
2006-10-06
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2006-07-17
2006-07-18
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2006-05-09
2006-05-10
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2006-04-12
2006-04-13
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2002-10-17
2006-03-09
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2006-01-16
2006-01-17
SEC
8-K/A
Amended Current Report
Amendment to current report
2005-10-10
2005-10-26
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2005-10-10
2005-10-11
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2005-07-11
2005-07-12
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2005-06-30
2005-06-30
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2005-04-13
2005-04-14
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2005-01-11
2005-01-12
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2004-11-24
2004-11-24
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2004-10-06
2004-10-07
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2004-07-12
2004-07-14
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2004-04-07
2004-04-09
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2004-03-15
2004-03-22
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2004-02-13
2004-02-18
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2004-01-12
2004-01-14
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2003-10-06
2003-10-08
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2001-10-05
2001-10-05
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
2001-07-27
2001-07-27
SEC
8-K
Current Report
Report of material events (acquisitions, earnings, executive changes)
1998-04-28
1998-04-29
SEC

Filing categories are based on SEC form types. Click on any filing to view detailed financial data.

Legend: Financial Reports Current Event Reports Registration Statements Proxy & Shareholder Statements Prospectus Filings Insider Trading Beneficial Ownership Employee Benefit Plans Specialized Disclosure Annual Reports to Shareholders SEC Correspondence Other Filings

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