FORM 4 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 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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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) C/O QUALSTAR CORPORATION, 130 WEST COCHRAN STREET, UNIT C 3. Date of Earliest Transaction (Month/Day/Year) 12/18/2017 (Street) WESTLAKE VILLAGE, CA 91361 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) ___ Form filed by One Reporting Person _X_ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction 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) 12/18/2017   P   5,000 A $ 7.5 14,617 (4) D   Common Stock (1) 12/18/2017   P   5,000 A $ 7.6 5,000 I By Mr. Bronson's spouse. Common Stock (1) 12/20/2017   P   1,482 A $ 7.8 6,482 I By Mr. Bronson's spouse. Common Stock (1) 12/20/2017   P   3,518 A $ 7.9514 (5) 10,000 I By Mr. Bronson's spouse. Common Stock (1)               548,085 (2) (4) I By BKF Asset Holdings, Inc. Common Stock (1)               548,085 (3) (4) I By BKF Capital Group, Inc.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction 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 (Month/Day/Year)

7. Title and Amount of Underlying Securities (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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
BRONSON STEVEN N C/O QUALSTAR CORPORATION 130 WEST COCHRAN STREET, UNIT C WESTLAKE VILLAGE, CA 91361	X	X	COB, CEO, President
BKF CAPITAL GROUP INC C/O QUALSTAR CORPORATION 130 WEST COCHRAN STREET, UNIT C WESTLAKE VILLAGE, CA 91361		X
BKF Asset Holdings, Inc. C/O QUALSTAR CORPORATION 130 WEST COCHRAN STREET, UNIT C WESTLAKE VILLAGE, CA 91361		X

Signatures

/s/Steven N. Bronson		12/20/2017
**Signature of Reporting Person		Date
/s/Steven N. Bronson, Chief Executive Officer of BKF Capital Group, Inc.		12/20/2017
**Signature of Reporting Person		Date
/s/Steven N. Bronson, Chief Executive Officer of BKF Asset Holdings, Inc.		12/20/2017
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(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 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.
(3)	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.
(4)	This Form 4 reflects a one-for-six reverse split of the Reporting Person's common stock which became effective on June 4, 2016.
(5)	This transaction was executed in multiple trades at prices ranging from $7.92 to $7.9514. The price reported reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder full information regarding the number of shares and prices at which the transaction was effected.

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