- Statement of Changes in Beneficial Ownership (4)

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	OMB APPROVAL OMB Number: 3235-0287 Expires: February 28, 2011 Estimated average burden hours per response... 0.5
	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(f) of the Investment Company Act of 1940

1. Name and Address of Reporting Person * FURST ROBERT D JR	2. Issuer Name and Ticker or Trading Symbol SENTRY TECHNOLOGY CORP [ SKVY ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __ X __ Director                      __ X __ 10% Owner _____ Officer (give title below)      _____ Other (specify below)
(Last)          (First)          (Middle) C/O ALTERNATIVE STRATEGY ADVISERS LLC, 601 CARLSON PARKWAY - SUITE 610	3. Date of Earliest Transaction (MM/DD/YYYY) 2/12/2010
(Street) MINNETONKA, MN 55305 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _ X _ Form filed by One Reporting Person ___ 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

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
common stock options	$0.31	2/12/2010		J   (1)			3000	2/12/2000	2/12/2010	common stock	3000	$0	380000	D
common stock options	$0.035	5/18/2010		A		100000		5/18/2010	5/18/2020	common stock	100000	$0	480000	D
Warrants	$0.10	5/1/2010		J   (2)			4625000	5/1/2008	5/1/2010	common stock	4625000	$0	45522491	D
Warrants	$0.035	5/14/2010		A		2857143		5/14/2010	5/14/2012	common stock	2857143	$0	48379634	D
Warrants	$0.035	5/18/2010		A		13032000		5/18/2010	5/18/2012	common stock	13032000	$0	61411634	D

Explanation of Responses:
( 1)	These common stock options expired on February 12, 2010, with no value received by Mr. Furst.
( 2)	These warrants expired on May 1, 2010, with no value received by Mr. Furst.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
FURST ROBERT D JR C/O ALTERNATIVE STRATEGY ADVISERS LLC 601 CARLSON PARKWAY - SUITE 610 MINNETONKA, MN 55305	X	X

Signatures
/s/ Robert D. Furst, Jr.		6/30/2010
** 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).
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