QUALSTAR CORP

FY: Dec 31 2019

Q: Sep 30 2019

Q: Jun 30 2019

Q: Mar 31 2019

FY: Dec 31 2018

Q: Sep 30 2018

Q: Jun 30 2018

Q: Mar 31 2018

FY: Dec 31 2017

Q: Sep 30 2017

Q: Jun 30 2017

Q: Mar 31 2017

FY: Dec 31 2016

Q: Sep 30 2016

Q: Jun 30 2016

Q: Mar 31 2016

FY: Dec 31 2015

Q: Sep 30 2015

FY: Jun 30 2015

Q: Mar 31 2015

3.01,9.01

2.02,9.01

5.02

2.02,9.01

5.02,9.01

2.02,9.01

5.02,5.07

1.01

2.02,9.01

1.01,5.02,9.01

1.01,9.01

2.02,9.01

5.02

2.02,9.01

2.02,9.01

5.07

2.02,9.01

2.02,9.01

2.02,9.01

Results of Operations and Financial Condition

Certification of termination of registration of a class of securities (Section 12(b))

Post-effective amendment to a registration statement

Notice of Effectiveness

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Registration of Securities on Exchange

Registration statement under Securities Act of 1933

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus Supplement with Pricing Information

Amended Initial Registration Statement

Amended Initial Registration Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Required Information in Proxy Statement

Definitive Proxy Statement

Required Information in Proxy Statement

Preliminary Proxy Statement

Additional proxy soliciting materials filed by a non-management party

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional proxy soliciting materials filed by a non-management party

Additional Information for Proxy Statement/ Votes

Additional proxy soliciting materials filed by a non-management party

BKF Asset Holdings, Inc.

none

none

Hou Joy C.

BRONSON STEVEN N

BKF Asset Holdings, Inc.

BRONSON STEVEN N

BRONSON STEVEN N

BRONSON STEVEN N

BRONSON STEVEN N

BRONSON STEVEN N

BRONSON STEVEN N

none

BRONSON STEVEN N

BKF Asset Holdings, Inc.

BRONSON STEVEN N; BKF CAPITAL GROUP INC; BKF Asset Holdings, Inc.

BRONSON STEVEN N

BRONSON STEVEN N

none

RENAISSANCE TECHNOLOGIES LLC

Notification of the removal from listing and registration of matured redeemed or retired securities

Specialized Disclosure Report

Specialized Disclosure Report

Specialized Disclosure Report

Specialized Disclosure Report

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

No description available

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC