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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(Print or Type Responses)

1. Name and Address of Reporting Person * GREEN DAVID   2. Issuer Name and Ticker or Trading Symbol HARVARD BIOSCIENCE INC [HBIO] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 84 OCTOBER HILL ROAD 3. Date of Earliest Transaction (Month/Day/Year) 04/02/2014 (Street) HOLLISTON, MA 01746 4. If Amendment, Date Original Filed(Month/Day/Year) 04/04/2014 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ 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 04/02/2014   S   25,331 (3) D $ 4.6908 1,427,521 (1) D   Common Stock 04/03/2014   S   38,170 (4) D $ 4.5901 1,389,351 (2) D   Common Stock               300,000 I David Green 2013 Annuity Trust

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
GREEN DAVID 84 OCTOBER HILL ROAD HOLLISTON, MA 01746	X

Signatures

/s/ David Green		04/08/2014
**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)	Includes (a) a deferred stock award of 17,697 restricted stock units which vest on January 1, 2015; (b) a deferred stock award of 58,430 restricted stock units which vest in equal installments on January 1, 2015 and January 1, 2016; (c) a deferred stock award of 41,062 restricted stock units which vest in equal installments on January 1, 2015, January 1, 2016, and January 1, 2017; and (d) 1,310,332 shares of common stock held by the Reporting Person.
(2)	Includes (a) a deferred stock award of 17,697 restricted stock units which vest on January 1, 2015; (b) a deferred stock award of 58,430 restricted stock units which vest in equal installments on January 1, 2015 and January 1, 2016; (c) a deferred stock award of 41,062 restricted stock units which vest in equal installments on January 1, 2015, January 1, 2016, and January 1, 2017; and (d) 1,272,162 shares of common stock held by the Reporting Person.
(3)	This transaction was executed in multiple trades at prices ranging from $4.60 to $4.7550. The price reported above reflects the weighted average sale [or purchase] price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
(4)	This transaction was executed in multiple trades at prices ranging from $4.55 to $4.66. The price reported above reflects the weighted average sale [or purchase] price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
Remarks: This Amendment was filed to add footnotes #3 and #4.  The reported sales were made pursuant to the terms of a 10b5-1 trading plan. This form has been signed under power of attorney.

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