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
                                                                                  
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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 *

MURDOCH PETER L 		2. Issuer Name and Ticker or Trading Symbol

SENTRY TECHNOLOGY CORP [ SKVYE.OB ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director                      __ X __ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
President and CEO
(Last)          (First)          (Middle)

579 OXFORD STREET 		3. Date of Earliest Transaction (MM/DD/YYYY)

7/16/2009
(Street)

TORONTO, A6 M8Y 1E6
(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
warrants   $0.065   7/16/2009     J   (1)       6541539    7/16/2007   7/16/2009   common stock   6541539   $0   24937721   D    
warrants   $0.012   7/31/2009     A      38288250       7/31/2009   7/31/2011   common stock   38288250   $0   63225971   D    
warrants   $0.10   8/9/2009     J   (2)       246750    8/9/2007   8/9/2009   common stock   246750   $0   62979221   D    
warrants   $0.0189   8/10/2009     A      1109722       8/10/2009   8/10/2011   common stock   1109722   $0   64088943   D    
warrants   $0.10   9/25/2009     J   (3)       1250000    9/25/2007   9/25/2009   common stock   1250000   $0   62838943   D    

Explanation of Responses:
( 1)  These warrants expired on July 16, 2009, with no value received by Mr. Murdoch.
( 2)  These warrants expired on August 9, 2009, with no value received by Mr. Murdoch.
( 3)  These warrants expired on September 25, 2009, with no value received by Mr. Murdoch.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
MURDOCH PETER L
579 OXFORD STREET
TORONTO, A6 M8Y 1E6 		X X President and CEO

Signatures
/s/ Peter L. Murdoch 10/8/2009
** 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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