Sec Form 4 Filing - PESSIN NORMAN H @ CHEMBIO DIAGNOSTICS, INC. - 2016-08-16

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 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 PESSIN NORMAN H 2. Issuer Name and Ticker or Trading Symbol CHEMBIO DIAGNOSTICS, INC. [ CEMI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) X __ Other (specify below) See Explanation of Responses (Last) (First) (Middle) C/O LEVY, HARKINS & CO., INC., 366 MADISON AVENUE, 14TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 08/16/2016 (Street) NEW YORK, NY10017 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 ) 08/16/2016 P 27,000 A $ 5.23 1,143,067 D ( 2 ) Common Stock ( 1 ) 10/11/2016 P 3,000 A $ 7.16 1,146,067 D ( 2 ) Common Stock ( 1 ) 06/28/2017 P 6,250 A $ 5.7573 1,152,317 D ( 2 ) Common Stock ( 1 ) 131,072 I By: Brian Pessin ( 3 )

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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 Fo llowing 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 PESSIN NORMAN H C/O LEVY, HARKINS & CO., INC. 366 MADISON AVENUE, 14TH FLOOR NEW YORK, NY10017 See Explanation of Responses Pessin Brian L. 310 EAST 75TH STREET APT. 2A NEW YORK, NY10021 See Explanation of Responses Signatures /s/ Norman H. Pessin 06/29/2017 Signature of Reporting Person Date /s/ Brian Pessin 06/29/2017 Signature of Reporting Person Date

Explanation of Responses:

( 1 )This Form 4 is filed jointly by Norman H. Pessin and Brian Pessin (collectively, the "Reporting Persons"). Each Reporting Person may be deemed to be a member of a Section 13(d) group that may be deemed to collectively beneficially own more than 10% of the Issuer's outstanding shares of common stock. Each Reporting Person disclaims beneficial ownership of the shares of common stock reported herein except to the extent of his pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of common stock for purposes of Section 16 or for any other purpose. ( 2 )Brian Pessin expressly disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein. ( 3 )Shares beneficially owned by Brian Pessin. Norman H. Pessin expressly disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

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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