KOSS CORP
Related Filers (27)
- KOSS MICHAEL J (53)
- KOSS JOHN C JR (37)
- Nixon Theodore (25)
- SACHDEVA SUJATA (24)
- Smith David Donnan (23)
- LILLIE LENORE (21)
- KOSS JOHN C (21)
- STOLLENWERK JOHN J (17)
- Koss Michael J Jr (15)
- Sweasy William Jesse (11)
- DIMENSIONAL FUND ADVISORS INC (10)
- ROYCE & ASSOCIATES LLC (9)
- PRINCIPAL FINANCIAL GROUP INC (8)
- Leveen Steven A (6)
- FMR CORP (5)
- Doerr Thomas L. (5)
- MCCURDY JILL (3)
- Uecker Elizabeth A (3)
- HARRIS WILLIAM INVESTORS (2)
- GANTZ CHRISTOPHER (2)
- Mattson Lawrence S. (2)
- Koss Nancy L (2)
- Nancy Koss 2012 Trust, Dated 12/20/12 (2)
- KFT Corp (2)
- Koss Family Trust, Dated 9/11/12 (2)
- UNTERBERG HARRIS CAPITAL MANAGEMENT LP /ADV (1)
- Schulte Kim M. (1)
- Show More ...
Financials (120)
10-Q
Friday, 2/2/2024
Quarterly Report for period ending 2023-12-31
10-Q
Friday, 10/27/2023
Quarterly Report for period ending 2023-09-30
10-K
Friday, 8/25/2023
Annual Report for period ending 2023-06-30
10-Q
Friday, 5/12/2023
Quarterly Report for period ending 2023-03-31
10-Q
Friday, 1/27/2023
Quarterly Report for period ending 2022-12-31
10-Q
Friday, 10/28/2022
Quarterly Report for period ending 2022-09-30
10-K
Friday, 8/26/2022
Annual Report for period ending 2022-06-30
10-Q
Friday, 5/6/2022
Quarterly Report for period ending 2022-03-31
10-Q
Friday, 2/4/2022
Quarterly Report for period ending 2021-12-31
10-Q
Friday, 10/29/2021
Quarterly Report for period ending 2021-09-30
10-K
Friday, 8/20/2021
Annual Report for period ending 2021-06-30
10-Q
Thursday, 5/13/2021
Quarterly Report for period ending 2021-03-31
10-Q
Friday, 1/29/2021
Quarterly Report for period ending 2020-12-31
10-Q
Thursday, 11/5/2020
Quarterly Report for period ending 2020-09-30
10-K
Thursday, 8/27/2020
Annual Report for period ending 2020-06-30
10-Q
Friday, 5/8/2020
Quarterly Report for period ending 2020-03-31
10-Q
Friday, 1/31/2020
Quarterly Report for period ending 2019-12-31
10-Q
Tuesday, 11/12/2019
Quarterly Report for period ending 2019-09-30
10-K
Friday, 8/30/2019
Annual Report for period ending 2019-06-30
10-Q
Friday, 5/10/2019
Quarterly Report for period ending 2019-03-31
10-Q
Friday, 1/25/2019
Quarterly Report for period ending 2018-12-31
10-Q
Friday, 11/2/2018
Quarterly Report for period ending 2018-09-30
10-K
Thursday, 8/23/2018
Annual Report for period ending 2018-06-30
10-Q
Friday, 5/11/2018
Quarterly Report for period ending 2018-03-31
10-Q
Wednesday, 1/31/2018
Quarterly Report for period ending 2017-12-31
10-Q
Friday, 10/27/2017
Quarterly Report for period ending 2017-09-30
10-K
Friday, 8/25/2017
Annual Report for period ending 2017-06-30
10-Q
Friday, 5/12/2017
Quarterly Report for period ending 2017-03-31
10-Q
Thursday, 1/26/2017
Quarterly Report for period ending 2016-12-31
10-Q
Friday, 10/28/2016
Quarterly Report for period ending 2016-09-30
10-K
Thursday, 8/25/2016
Annual Report for period ending 2016-06-30
10-Q
Friday, 5/13/2016
Quarterly Report for period ending 2016-03-31
10-Q
Friday, 1/29/2016
Quarterly Report for period ending 2015-12-31
10-Q
Friday, 10/30/2015
Quarterly Report for period ending 2015-09-30
10-K
Friday, 8/28/2015
Annual Report for period ending 2015-06-30
10-Q
Friday, 5/8/2015
Quarterly Report for period ending 2015-03-31
10-Q
Friday, 1/30/2015
Quarterly Report for period ending 2014-12-31
10-Q
Friday, 10/31/2014
Quarterly Report for period ending 2014-09-30
10-K
Thursday, 8/28/2014
Annual Report for period ending 2014-06-30
10-Q
Thursday, 5/15/2014
Quarterly Report for period ending 2014-03-31
10-Q
Friday, 2/14/2014
Quarterly Report for period ending 2013-12-31
10-Q
Friday, 11/1/2013
Quarterly Report for period ending 2013-09-30
10-K
Friday, 8/23/2013
Annual Report for period ending 2013-06-30
10-Q
Friday, 5/10/2013
Quarterly Report for period ending 2013-03-31
10-Q
Friday, 2/1/2013
Quarterly Report for period ending 2012-12-31
10-Q
Friday, 11/2/2012
Quarterly Report for period ending 2012-09-30
10-K
Monday, 8/27/2012
Annual Report for period ending 2012-06-30
10-Q
Friday, 5/11/2012
Quarterly Report for period ending 2012-03-31
10-Q
Friday, 2/3/2012
Quarterly Report for period ending 2011-12-31
10-Q/A
Thursday, 12/15/2011
Quarterly Report for period ending 2011-09-30
10-Q
Friday, 10/28/2011
Quarterly Report for period ending 2011-09-30
10-K
Friday, 9/2/2011
Annual Report for period ending 2011-06-30
10-Q
Friday, 5/13/2011
Quarterly Report for period ending 2011-03-31
10-Q
Friday, 1/28/2011
Quarterly Report for period ending 2010-12-31
10-Q
Monday, 11/1/2010
Quarterly Report for period ending 2010-09-30
10-K/A
Tuesday, 10/12/2010
Annual Report for period ending 2010-06-30
10-K
Monday, 9/20/2010
Annual Report for period ending 2010-06-30
10-K/A
Wednesday, 6/30/2010
Annual Report for period ending 2009-06-30
10-Q/A
Wednesday, 6/30/2010
Quarterly Report for period ending 2009-09-30
10-Q/A
Wednesday, 6/30/2010
Quarterly Report for period ending 2009-12-31
10-Q/A
Wednesday, 6/30/2010
Quarterly Report for period ending 2010-03-31
10-Q
Monday, 5/17/2010
Quarterly Report for period ending 2010-03-31
10-Q
Tuesday, 2/16/2010
Quarterly Report for period ending 2009-12-31
10-Q
Friday, 11/6/2009
Quarterly Report for period ending 2009-09-30
10-K
Wednesday, 8/26/2009
Annual Report for period ending 2009-06-30
10-Q
Friday, 5/8/2009
Quarterly Report for period ending 2009-03-31
10-Q
Thursday, 2/12/2009
Quarterly Report for period ending 2008-12-31
10-Q
Friday, 11/14/2008
Quarterly Report for period ending 2008-09-30
10-K
Monday, 8/25/2008
Annual Report for period ending 2008-06-30
10-Q
Thursday, 5/15/2008
Quarterly Report for period ending 2008-03-31
10-Q
Thursday, 2/14/2008
Quarterly Report for period ending 2007-12-31
10-Q
Wednesday, 11/14/2007
Quarterly Report for period ending 2007-09-30
10-K
Monday, 8/20/2007
Annual Report for period ending 2007-06-30
10-Q
Friday, 5/11/2007
Quarterly Report for period ending 2007-03-31
10-Q
Monday, 2/12/2007
Quarterly Report for period ending 2006-12-31
10-Q
Monday, 11/13/2006
Quarterly Report for period ending 2006-09-30
10-K
Wednesday, 9/6/2006
Annual Report for period ending 2006-06-30
10-Q
Monday, 5/15/2006
Quarterly Report for period ending 2006-03-31
10-Q
Tuesday, 2/14/2006
Quarterly Report for period ending 2005-12-31
10-Q
Monday, 11/14/2005
Quarterly Report for period ending 2005-09-30
10-K
Wednesday, 9/28/2005
Annual Report for period ending 2005-06-30
10-Q
Monday, 5/16/2005
Quarterly Report for period ending 2005-03-31
10-Q
Monday, 2/14/2005
Quarterly Report for period ending 2004-12-31
10-K/A
Wednesday, 11/17/2004
Annual Report for period ending 2003-06-30
10-Q/A
Wednesday, 11/17/2004
Quarterly Report for period ending 2003-09-30
10-Q/A
Wednesday, 11/17/2004
Quarterly Report for period ending 2003-12-31
10-Q/A
Wednesday, 11/17/2004
Quarterly Report for period ending 2004-03-31
10-Q
Monday, 11/15/2004
Quarterly Report for period ending 2004-09-30
10-K
Thursday, 9/30/2004
Annual Report for period ending 2004-06-30
10-Q
Monday, 5/17/2004
Quarterly Report for period ending 2004-03-31
10-K/A
Wednesday, 3/10/2004
Annual Report for period ending 2003-06-30
10-Q/A
Tuesday, 2/17/2004
Quarterly Report for period ending 2003-09-30
10-Q
Tuesday, 2/17/2004
Quarterly Report for period ending 2003-12-31
10-Q
Friday, 11/7/2003
Quarterly Report for period ending 2003-09-30
10-K
Tuesday, 8/19/2003
Annual Report for period ending 2003-06-30
10-Q
Thursday, 5/8/2003
Quarterly Report for period ending 2003-03-31
10-Q
Wednesday, 2/5/2003
Quarterly Report for period ending 2002-12-31
10-Q
Tuesday, 11/5/2002
Quarterly Report for period ending 2002-09-30
10-K
Thursday, 9/12/2002
Annual Report for period ending 2002-06-30
10-Q
Monday, 4/15/2002
Quarterly Report for period ending 2002-03-31
News (142)
8-K
Thursday, 2/1/2024
Current report filing
8-K
Thursday, 10/26/2023
Current report filing
8-K/A
Thursday, 10/26/2023
Current report filing
8-K
Monday, 10/23/2023
Current report filing
8-K
Thursday, 8/24/2023
Current report filing
8-K
Thursday, 7/27/2023
Current report filing
8-K
Thursday, 5/11/2023
Current report filing
8-K
Thursday, 1/26/2023
Current report filing
8-K
Friday, 10/28/2022
Current report filing
8-K
Friday, 10/21/2022
Current report filing
8-K
Thursday, 8/25/2022
Current report filing
8-K
Monday, 7/25/2022
Current report filing
8-K
Thursday, 5/5/2022
Current report filing
8-K
Thursday, 2/3/2022
Current report filing
8-K
Thursday, 10/28/2021
Current report filing
8-K
Thursday, 10/14/2021
Current report filing
8-K
Thursday, 8/19/2021
Current report filing
8-K
Tuesday, 7/27/2021
Current report filing
8-K
Wednesday, 5/12/2021
Current report filing
8-K
Thursday, 1/28/2021
Current report filing
8-K
Thursday, 10/29/2020
Current report filing
8-K
Thursday, 10/15/2020
Current report filing
8-K
Thursday, 8/20/2020
Current report filing
8-K
Thursday, 7/23/2020
Current report filing
8-K
Thursday, 5/7/2020
Current report filing
8-K
Thursday, 1/30/2020
Current report filing
8-K
Thursday, 11/7/2019
Current report filing
8-K
Thursday, 10/17/2019
Current report filing
8-K
Thursday, 8/22/2019
Current report filing
8-K
Thursday, 5/16/2019
Current report filing
8-K
Thursday, 5/9/2019
Current report filing
8-K
Thursday, 3/7/2019
Current report filing
8-K
Thursday, 1/24/2019
Current report filing
8-K
Tuesday, 12/18/2018
Current report filing
8-K
Thursday, 11/1/2018
Current report filing
8-K
Thursday, 10/11/2018
Current report filing
8-K
Thursday, 8/16/2018
Current report filing
8-K
Thursday, 5/10/2018
Current report filing
8-K
Tuesday, 1/30/2018
Current report filing
8-K
Wednesday, 10/25/2017
Current report filing
8-K
Thursday, 10/12/2017
Current report filing
8-K
Friday, 8/25/2017
Current report filing
8-K
Wednesday, 5/17/2017
Current report filing
8-K
Thursday, 5/11/2017
Current report filing
8-K
Friday, 3/10/2017
Current report filing
8-K
Thursday, 1/26/2017
Current report filing
8-K
Thursday, 10/27/2016
Current report filing
8-K
Thursday, 10/13/2016
Current report filing
8-K
Thursday, 8/18/2016
Current report filing
8-K
Thursday, 5/12/2016
Current report filing
8-K
Friday, 2/12/2016
Current report filing
8-K
Thursday, 1/28/2016
Current report filing
8-K
Thursday, 10/29/2015
Current report filing
8-K
Thursday, 10/15/2015
Current report filing
8-K
Friday, 8/21/2015
Current report filing
8-K
Thursday, 5/7/2015
Current report filing
8-K
Friday, 1/30/2015
Current report filing
8-K
Thursday, 11/6/2014
Current report filing
8-K
Friday, 10/24/2014
Current report filing
8-K
Wednesday, 10/22/2014
Current report filing
8-K
Wednesday, 10/15/2014
Current report filing
8-K
Wednesday, 8/27/2014
Current report filing
8-K
Wednesday, 5/14/2014
Current report filing
8-K
Thursday, 2/13/2014
Current report filing
8-K/A
Tuesday, 2/11/2014
Current report filing
8-K
Friday, 10/25/2013
Current report filing
8-K
Friday, 10/25/2013
Current report filing
8-K
Tuesday, 8/6/2013
Current report filing
8-K
Friday, 7/5/2013
Current report filing
8-K
Thursday, 4/25/2013
Current report filing
8-K
Wednesday, 1/30/2013
Current report filing
8-K
Thursday, 10/25/2012
Current report filing
8-K
Tuesday, 10/9/2012
Current report filing
8-K
Friday, 8/24/2012
Current report filing
8-K
Friday, 4/27/2012
Current report filing
8-K
Thursday, 1/26/2012
Current report filing
8-K
Tuesday, 10/25/2011
Current report filing
8-K
Tuesday, 10/25/2011
Current report filing
8-K
Tuesday, 10/11/2011
Current report filing
8-K
Friday, 9/9/2011
Current report filing
8-K
Wednesday, 8/31/2011
Current report filing
8-K
Thursday, 6/30/2011
Current report filing
8-K
Monday, 5/23/2011
Current report filing
8-K
Thursday, 4/21/2011
Current report filing
8-K
Thursday, 1/20/2011
Current report filing
8-K
Thursday, 10/28/2010
Current report filing
8-K
Tuesday, 10/19/2010
Current report filing
8-K
Friday, 8/20/2010
Current report filing
8-K
Tuesday, 7/6/2010
Current report filing
8-K
Wednesday, 6/30/2010
Current report filing
8-K
Tuesday, 6/8/2010
Current report filing
8-K
Monday, 5/17/2010
Current report filing
8-K
Friday, 2/26/2010
Current report filing
8-K
Wednesday, 2/24/2010
Current report filing
8-K
Wednesday, 2/17/2010
Current report filing
8-K
Wednesday, 1/20/2010
Current report filing
8-K
Monday, 1/11/2010
Current report filing
8-K/A
Thursday, 1/7/2010
Current report filing
8-K
Thursday, 1/7/2010
Current report filing
8-K
Monday, 1/4/2010
Current report filing
Other (25)
ARS
Friday, 8/25/2023
Annual report to security holders
SD
Thursday, 5/18/2023
Specialized Disclosure Report filed pursuant to Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act relating to the use of conflict minerals (Rule 13p-1)
SD
Thursday, 5/26/2022
Specialized Disclosure Report filed pursuant to Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act relating to the use of conflict minerals (Rule 13p-1)
SD
Wednesday, 4/28/2021
Specialized Disclosure Report filed pursuant to Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act relating to the use of conflict minerals (Rule 13p-1)
SD
Friday, 5/1/2020
Specialized Disclosure Report filed pursuant to Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act relating to the use of conflict minerals (Rule 13p-1)
SD
Thursday, 5/9/2019
Specialized Disclosure Report filed pursuant to Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act relating to the use of conflict minerals (Rule 13p-1)
SD
Thursday, 3/8/2018
Specialized Disclosure Report filed pursuant to Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act relating to the use of conflict minerals (Rule 13p-1)
SD
Tuesday, 5/2/2017
Specialized Disclosure Report filed pursuant to Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act relating to the use of conflict minerals (Rule 13p-1)
SD
Tuesday, 5/31/2016
Specialized Disclosure Report filed pursuant to Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act relating to the use of conflict minerals (Rule 13p-1)
SD
Thursday, 5/28/2015
Specialized Disclosure Report filed pursuant to Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act relating to the use of conflict minerals (Rule 13p-1)
SD
Friday, 9/5/2014
Specialized Disclosure Report filed pursuant to Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act relating to the use of conflict minerals (Rule 13p-1)
CORRESP
Friday, 1/18/2013
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Monday, 12/19/2011
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Monday, 9/20/2010
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Monday, 8/30/2010
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Friday, 7/23/2010
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Monday, 5/10/2010
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Monday, 3/29/2010
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Friday, 3/12/2010
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Thursday, 4/3/2008
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
ARS
Thursday, 9/12/2002
Annual report to security holders
10-K405
Wednesday, 8/22/2001
Annual Report with disclosure of delinquent filers
ARS
Wednesday, 8/22/2001
Annual report to security holders
10-K405
Wednesday, 9/27/2000
Annual Report with disclosure of delinquent filers
10-K405
Monday, 9/20/1999
Annual Report with disclosure of delinquent filers
Ownership (309)
3
Monday, 8/21/2023
LILLIE LENORE: Initial statement of beneficial ownership of securities
4
Thursday, 6/30/2022
Koss Family Trust, Dated 9/11/12: Statement of changes in beneficial ownership of securities
4
Thursday, 6/30/2022
KFT Corp: Statement of changes in beneficial ownership of securities
SC 13D/A
Friday, 6/3/2022
KOSS MICHAEL J: Major Shareholders
4
Friday, 6/3/2022
Sweasy William Jesse: Statement of changes in beneficial ownership of securities
SC 13D/A
Friday, 6/3/2022
KOSS JOHN C JR: Major Shareholders
4
Friday, 6/3/2022
KOSS MICHAEL J: Statement of changes in beneficial ownership of securities
4
Friday, 6/3/2022
KOSS JOHN C JR: Statement of changes in beneficial ownership of securities
4
Thursday, 6/2/2022
Sweasy William Jesse: Statement of changes in beneficial ownership of securities
3
Monday, 2/28/2022
Schulte Kim M.: Initial statement of beneficial ownership of securities
4
Tuesday, 11/2/2021
Smith David Donnan: Statement of changes in beneficial ownership of securities
4
Friday, 9/17/2021
Koss Michael J Jr: Statement of changes in beneficial ownership of securities
SC 13D/A
Wednesday, 9/8/2021
KOSS JOHN C JR: Major Shareholders
SC 13D/A
Wednesday, 9/8/2021
KOSS MICHAEL J: Major Shareholders
4
Friday, 9/3/2021
KOSS MICHAEL J: Statement of changes in beneficial ownership of securities
4
Thursday, 9/2/2021
KOSS JOHN C JR: Statement of changes in beneficial ownership of securities
4
Thursday, 9/2/2021
KOSS MICHAEL J: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/31/2021
KOSS JOHN C JR: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/31/2021
KOSS MICHAEL J: Statement of changes in beneficial ownership of securities
4
Thursday, 8/26/2021
Smith David Donnan: Statement of changes in beneficial ownership of securities
4
Thursday, 8/26/2021
Koss Michael J Jr: Statement of changes in beneficial ownership of securities
4
Thursday, 8/26/2021
KOSS JOHN C JR: Statement of changes in beneficial ownership of securities
4
Thursday, 8/26/2021
KOSS MICHAEL J: Statement of changes in beneficial ownership of securities
4
Friday, 7/2/2021
Smith David Donnan: Statement of changes in beneficial ownership of securities
4
Friday, 7/2/2021
LILLIE LENORE: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/16/2021
KOSS JOHN C JR: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/16/2021
Koss Michael J Jr: Statement of changes in beneficial ownership of securities
4
Thursday, 6/10/2021
KOSS JOHN C JR: Statement of changes in beneficial ownership of securities
4
Thursday, 6/3/2021
KOSS JOHN C JR: Statement of changes in beneficial ownership of securities
4
Thursday, 6/3/2021
KOSS MICHAEL J: Statement of changes in beneficial ownership of securities
4
Thursday, 6/3/2021
Koss Michael J Jr: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/1/2021
Nixon Theodore: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/1/2021
KOSS JOHN C JR: Statement of changes in beneficial ownership of securities
4
Friday, 5/28/2021
KOSS MICHAEL J: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/19/2021
Doerr Thomas L.: Statement of changes in beneficial ownership of securities
4
Monday, 4/5/2021
Smith David Donnan: Statement of changes in beneficial ownership of securities
4
Monday, 4/5/2021
LILLIE LENORE: Statement of changes in beneficial ownership of securities
SC 13D/A
Tuesday, 3/16/2021
KOSS MICHAEL J: Major Shareholders
4
Tuesday, 3/16/2021
KOSS MICHAEL J: Statement of changes in beneficial ownership of securities
SC 13D/A
Tuesday, 3/16/2021
KOSS JOHN C JR: Major Shareholders
4
Friday, 3/12/2021
KOSS JOHN C JR: Statement of changes in beneficial ownership of securities
4
Friday, 3/12/2021
KOSS MICHAEL J: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/2/2021
Smith David Donnan: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/2/2021
LILLIE LENORE: Statement of changes in beneficial ownership of securities
4
Friday, 2/26/2021
KOSS MICHAEL J: Statement of changes in beneficial ownership of securities
4
Friday, 2/26/2021
Koss Michael J Jr: Statement of changes in beneficial ownership of securities
4
Friday, 2/26/2021
KOSS JOHN C JR: Statement of changes in beneficial ownership of securities
SC 13D/A
Friday, 2/12/2021
KOSS MICHAEL J: Major Shareholders
SC 13G/A
Thursday, 2/11/2021
PRINCIPAL FINANCIAL GROUP INC: Major Shareholders
SC 13D/A
Wednesday, 2/10/2021
Koss Michael J Jr: Major Shareholders
SC 13D/A
Wednesday, 2/10/2021
KOSS JOHN C JR: Major Shareholders
4
Friday, 2/5/2021
KOSS JOHN C JR: Statement of changes in beneficial ownership of securities
4
Friday, 2/5/2021
Nancy Koss 2012 Trust, Dated 12/20/12: Statement of changes in beneficial ownership of securities
4
Friday, 2/5/2021
KOSS MICHAEL J: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/3/2021
Nixon Theodore: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/3/2021
Koss Michael J Jr: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/3/2021
Leveen Steven A: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/3/2021
LILLIE LENORE: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/3/2021
Sweasy William Jesse: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/3/2021
Smith David Donnan: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/3/2021
KOSS JOHN C JR: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/3/2021
KOSS MICHAEL J: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/3/2021
Doerr Thomas L.: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/27/2021
LILLIE LENORE: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/27/2021
Smith David Donnan: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/30/2020
LILLIE LENORE: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/30/2020
Smith David Donnan: Statement of changes in beneficial ownership of securities
4
Thursday, 11/12/2020
Leveen Steven A: Statement of changes in beneficial ownership of securities
4
Thursday, 11/12/2020
Sweasy William Jesse: Statement of changes in beneficial ownership of securities
4
Tuesday, 10/6/2020
KOSS MICHAEL J: Statement of changes in beneficial ownership of securities
4
Tuesday, 10/6/2020
Koss Michael J Jr: Statement of changes in beneficial ownership of securities
4
Tuesday, 9/15/2020
Sweasy William Jesse: Statement of changes in beneficial ownership of securities
4
Thursday, 7/23/2020
Koss Michael J Jr: Statement of changes in beneficial ownership of securities
4
Thursday, 7/23/2020
Smith David Donnan: Statement of changes in beneficial ownership of securities
4
Thursday, 7/23/2020
KOSS MICHAEL J: Statement of changes in beneficial ownership of securities
4
Thursday, 7/23/2020
LILLIE LENORE: Statement of changes in beneficial ownership of securities
4
Thursday, 7/23/2020
KOSS JOHN C JR: Statement of changes in beneficial ownership of securities
SC 13G/A
Tuesday, 2/11/2020
PRINCIPAL FINANCIAL GROUP INC: Major Shareholders
4/A
Friday, 9/27/2019
Sweasy William Jesse: Statement of changes in beneficial ownership of securities
4
Thursday, 7/25/2019
LILLIE LENORE: Statement of changes in beneficial ownership of securities
4
Thursday, 7/25/2019
KOSS MICHAEL J: Statement of changes in beneficial ownership of securities
4
Thursday, 7/25/2019
Koss Michael J Jr: Statement of changes in beneficial ownership of securities
4
Thursday, 7/25/2019
Smith David Donnan: Statement of changes in beneficial ownership of securities
4
Thursday, 7/25/2019
KOSS JOHN C JR: Statement of changes in beneficial ownership of securities
4
Thursday, 5/30/2019
Sweasy William Jesse: Statement of changes in beneficial ownership of securities
4
Friday, 5/24/2019
Sweasy William Jesse: Statement of changes in beneficial ownership of securities
4
Thursday, 5/23/2019
Sweasy William Jesse: Statement of changes in beneficial ownership of securities
4
Monday, 5/20/2019
Leveen Steven A: Statement of changes in beneficial ownership of securities
SC 13G/A
Thursday, 1/31/2019
PRINCIPAL FINANCIAL GROUP INC: Major Shareholders
4
Friday, 10/12/2018
Smith David Donnan: Statement of changes in beneficial ownership of securities
4/A
Wednesday, 8/1/2018
KOSS MICHAEL J: Statement of changes in beneficial ownership of securities
4
Friday, 7/27/2018
KOSS JOHN C JR: Statement of changes in beneficial ownership of securities
4
Friday, 7/27/2018
KOSS MICHAEL J: Statement of changes in beneficial ownership of securities
4
Friday, 7/27/2018
Koss Michael J Jr: Statement of changes in beneficial ownership of securities
4
Friday, 7/27/2018
LILLIE LENORE: Statement of changes in beneficial ownership of securities
4
Friday, 7/27/2018
Uecker Elizabeth A: Statement of changes in beneficial ownership of securities
4
Monday, 5/14/2018
Doerr Thomas L.: Statement of changes in beneficial ownership of securities
4
Thursday, 5/10/2018
Nixon Theodore: Statement of changes in beneficial ownership of securities
SC 13G/A
Wednesday, 2/7/2018
PRINCIPAL FINANCIAL GROUP INC: Major Shareholders
4
Thursday, 7/27/2017
KOSS JOHN C JR: Statement of changes in beneficial ownership of securities
Prospectus (11)
S-8
Tuesday, 12/12/2023
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
S-8
Monday, 11/5/2012
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
424B3
Friday, 12/10/2004
Prospectus filed pursuant to Rule 424(b)(3)
S-3/A
Monday, 11/22/2004
Registration statement for specified transactions by certain issuers
S-3/A
Wednesday, 11/17/2004
Registration statement for specified transactions by certain issuers
S-3/A
Wednesday, 3/10/2004
Registration statement for specified transactions by certain issuers
S-3/A
Monday, 1/26/2004
Registration statement for specified transactions by certain issuers
S-3
Friday, 10/31/2003
Registration statement for specified transactions by certain issuers
S-8
Wednesday, 6/5/2002
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
S-8
Friday, 5/26/2000
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
S-8
Friday, 1/24/1997
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
Proxies (34)
DEFA14A
Friday, 8/25/2023
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEF 14A
Friday, 8/25/2023
Definitive proxy statements
DEF 14A
Friday, 8/26/2022
Definitive proxy statements
DEF 14A
Friday, 8/20/2021
Definitive proxy statements
DEF 14A
Thursday, 8/27/2020
Definitive proxy statements
DEF 14A
Friday, 8/30/2019
Definitive proxy statements
DEF 14A
Thursday, 8/23/2018
Definitive proxy statements
DEF 14A
Friday, 8/25/2017
Definitive proxy statements
DEF 14A
Thursday, 8/25/2016
Definitive proxy statements
DEF 14A
Thursday, 8/27/2015
Definitive proxy statements
DEF 14A
Thursday, 8/28/2014
Definitive proxy statements
DEF 14A
Thursday, 9/5/2013
Definitive proxy statements
DEF 14A
Monday, 8/27/2012
Definitive proxy statements
DEF 14A
Friday, 9/2/2011
Definitive proxy statements
DEF 14A
Monday, 9/20/2010
Definitive proxy statements
DEFA14A
Monday, 9/20/2010
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEF 14A
Friday, 11/6/2009
Definitive proxy statements
DEFA14A
Friday, 11/6/2009
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
PRE 14A
Tuesday, 10/20/2009
Preliminary proxy statement not related to a contested matter or merger/acquisition
DEF 14A
Friday, 9/4/2009
Definitive proxy statements
DEFR14A
Tuesday, 9/2/2008
Definitive revised proxy soliciting materials
DEF 14A
Wednesday, 8/27/2008
Definitive proxy statements
DEF 14A
Monday, 9/10/2007
Definitive proxy statements
DEF 14A
Tuesday, 9/12/2006
Definitive proxy statements
DEF 14A
Tuesday, 9/20/2005
Definitive proxy statements
DEF 14A
Thursday, 10/7/2004
Definitive proxy statements
DEF 14A
Tuesday, 8/19/2003
Definitive proxy statements
DEFA14A
Monday, 9/23/2002
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEF 14A
Friday, 9/20/2002
Definitive proxy statements
DEF 14A
Friday, 9/7/2001
Definitive proxy statements
DEF 14A
Wednesday, 9/27/2000
Definitive proxy statements
DEF 14A
Monday, 9/20/1999
Definitive proxy statements
DEF 14A
Thursday, 9/24/1998
Definitive proxy statements
DEF 14A
Monday, 9/22/1997
Definitive proxy statements