SEC FORM 4 SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
 
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
CRESTVIEW CAPITAL MASTER LLC

(Last) (First) (Middle)
95 REVERE DRIVE
SUITE A

(Street)
NORTHBROOK IL 60062

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
CHEMBIO DIAGNOSTICS, INC. [ CEMI ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
09/25/2007
4. If Amendment, Date of 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
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 09/25/2007 P 40,000 A $0.47 1,945,293 D(1)
Common Stock 09/26/2007 P 75,400 A $0.5 2,020,693 D(1)
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 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: 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
1. Name and Address of Reporting Person*
CRESTVIEW CAPITAL MASTER LLC

(Last) (First) (Middle)
95 REVERE DRIVE
SUITE A

(Street)
NORTHBROOK IL 60062

(City) (State) (Zip)
1. Name and Address of Reporting Person*
Crestview Capital Partners, LLC

(Last) (First) (Middle)
95 REVERE DRIVE
SUITE A

(Street)
NORTHBROOK IL 60062

(City) (State) (Zip)
Explanation of Responses:
1. These securities are owned directly by Crestview Capital Master, LLC. Crestview Capital Partners, LLC is the sole manager of Crestview Capital Master, LLC, and as such has the power to direct the vote and to direct the disposition of investments owned by Crestview Capital Master, LLC, and thus may be an indirect beneficial owner of the reported securities.
Remarks:
Exhibit 99.1-Joint Filer Information
Crestview Capital Master, LLC By: Crestview Capital Partners, LLC, its sole Manager /s/ Daniel I. Warsh 09/27/2007
** 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 Number.
Unassociated Document
 
Exhibit 99.1
Name and address of each other reporting person:

Crestview Capital Partners, LLC
c/o Crestview Capital Funds
95 Revere Drive, Suite A
Northbrook, Illinois 60062
 
Designated Filer: Crestview Capital Master, LLC
 
Issuer & Ticker Symbol: Chembio Diagnostics, Inc. (cemi)
 
Date of Event Requiring Statement: 09/25/2007

 
Crestview Capital Partners, LLC
By: /s/ Daniel I. Warsh      
Name: Daniel I. Warsh
Date: September 27, 2007