QBAK Qualstar Corporation

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES                                                                                   
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940                       

1. Name and Address of Reporting Person * BRONSON STEVEN N	2. Issuer Name and Ticker or Trading Symbol QUALSTAR CORP [ QBAK ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director                    __X__ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) COB, CEO, President
(Last)          (First)          (Middle) 1221 BRICKELL AVENUE, SUITE 900	3. Date of Earliest Transaction (MM/DD/YYYY) 8/22/2019
(Street) MIAMI, FL 33131 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) ___ Form filed by One Reporting Person _ X _ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock (1)(2)	8/22/2019		P		47	A	$4.61	664881 (3)	I	By BKF Assets Holdings, Inc.
Common Stock (1)	9/13/2019		P		22363	A	$5.9875	687244 (3)	I	By BKF Asset Holdings, Inc.
Common Stock (1)	9/16/2019		P		12757	A	$6.1275	700001 (3)	I	By BKF Asset Holdings, Inc.
Common Stock (1)								14617	D
Common Stock (1)								10000	I	By Mr. Bronson's spouse.
Common Stock (1)								700001 (4)	I	By BKF Capital Group, Inc.

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:
(1)	This Form 4 is filed jointly by BKF Capital Group, Inc. ("BKF Capital"), BKF Asset Holdings, Inc. ("BKF Holdings") and Steven N. Bronson (collectively, the "Reporting Persons"). Each of the Reporting Persons disclaims beneficial ownership of the shares of common stock reported herein except to the extent of his or its pecuniary interest therein.
(2)	Represents a purchase of common stock previously unreported by the reporting person.
(3)	Represents shares of common stock owned directly by BKF Holdings. BKF Holdings is wholly owned by BKF Capital. Steven N. Bronson, as the Chairman, CEO and majority shareholder of BKF Capital and the CEO of BKF Holdings, may be deemed to be the beneficial owner of the shares of Qualstar Corporation held by BKF Holdings.
(4)	Represents shares of common stock owned indirectly by BKF Capital through BFK Holdings. Steven N. Bronson, as the Chairman, CEO and majority shareholder of BKF Capital, may be deemed to be the beneficial owner of the shares of Qualstar Corporation indirectly held by BKF Capital.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
BRONSON STEVEN N 1221 BRICKELL AVENUE, SUITE 900 MIAMI, FL 33131	X	X	COB, CEO, President
BKF CAPITAL GROUP INC 1221 BRICKELL AVENUE, SUITE 900 MIAMI, FL 33131		X
BKF Asset Holdings, Inc. 1221 BRICKELL AVENUE, SUITE 900 MIAMI, FL 33131		X

Signatures
/s/Steven N. Bronson		9/17/2019
**Signature of Reporting Person		Date
/s/Steven N. Bronson, Chief Executive Officer of BKF Capital Group, Inc.		9/17/2019
**Signature of Reporting Person		Date
/s/Steven N. Bronson, Chief Executive Officer of BKF Asset Holdings, Inc.		9/17/2019
**Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

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