EX-10.13




 Exhibit 10.13 

Certain identified information has been omitted from this exhibit because it is not material and of the type that the registrant treats
as private or confidential. [***] indicates that information has been omitted. 
 GREENLIGHT BIOSCIENCES, INC. 

200 Boston Avenue, suite 3100 

Medford, MA 02155 
 Carole Cobb. 

[***] 
 Dear Carole: 

I am pleased to provide you with the terms and conditions of your anticipated employment by GreenLight Biosciences, Inc. (the
“Company”). 
 1. Position. Your initial position will be Senior Vice President of Operations, reporting to the CEO and you will be located
in the Company’s office at 200 Boston Avenue, Medford, Massachusetts. In addition to performing duties and responsibilities associated with the position of Senior. Vice President of Operations, from time to time the Company may assign you other
duties and responsibilities consistent with such position. As a full-time employee of the Company, you will be expected to devote your full business time and energies to the business and affairs of the Company. Your performance will be reviewed
formally after six months of employment and annually thereafter. 
 2. Starting Date/Nature of Relationship. It is expected that your employment will
start on July 23rd, 2015 (the “Start Date”). Your employment will terminate 90 days after the Start Date, but may be extended indefinitely by mutual written agreement between you and the
Company. Your employment at the Company will be “at will,” and therefore either you or the Company may terminate the employment relationship at any time and for any reason. 

3. Compensation. 
 (a) Your initial
salary will be at the rate of $20,833.33 per month, annualized at $250,000.00, and you will be paid on a semi-monthly basis at the rate of $10,416.67. 

(b) You will be entitled to receive a bonus equal to 30% of your yearly base salary upon achievement of company milestones and upon completion
of individual goals. Milestones and bonuses will be outlined on a yearly basis. Bonus awards will be at the discretion of the company’s Board of Directors. Bonuses will be paid with the next regular salary payment following achievement of the
associated milestone. 
 (c) You will receive options to purchase 642,657 shares of the company’s common stock, $.001 par value per
share (the “Common Stock”), which represents 2.5% of the fully diluted ownership of the company. 20% of the total number of option shall vest on the first anniversary of the date of employment. The remaining options will vest in 48 equal
monthly amounts. Your options will be subject to the Company’s Qualified Incentive Stock Options Plan. 











 4. Benefits. You will be entitled as an employee of the Company to receive such benefits as are
generally provided to its employees and for which you are eligible in accordance with Company policy as in effect from time to time. The Company retains the right to change, add or cease any particular benefit. You will be eligible for 11 paid
Holidays and 3 weeks paid Vacation per year, which vacation eligibility will accrue at a rate of 1.25 days per month of service. 
 5. Severance. In
the event that your employment is extended beyond the initial 90-day term in accordance with paragraph 2 and (i) is thereafter terminated by the Company for any reason other than for “Cause”
(which for purposes of this letter shall mean (a) any material breach by you of any agreement to which you and the Company are both parties, (b) any act (other than termination of employment) or omission to act by you which may have a
material and adverse effect on the Company’s business or on your ability to perform services for the Company including, without limitation, the conviction of any crime (other than minor traffic violations)„ or (c) any material
misconduct or material neglect of duties by you in connection with the business or affairs of the Company), or (ii) terminated by you for Good Reason (which for purposes of this letter shall mean that you have been demoted or your job title,
function or work location has been substantially changed), you will be paid a lump sum equal to three months’ salary within 7 days of your termination of employment; provided that you sign and do not revoke a release of claims against the
Company in a form reasonably acceptable to the Company. 
 6. Option Acceleration. In the event of a Change in Control Transaction (as defined in
Section 15 of the 2012 Stock Incentive Plan) if your employment is involuntarily terminated by the Company, or the surviving or resulting corporation of such transaction as the case may be, without Cause (as defined in paragraph 5 of this
letter) or by you for Good Reason (as defined in paragraph 5 of this letter), either six months prior to or within twelve months following the Closing, any unvested shares shall immediately become fully vested and exercisable. 

7. Confidentiality. The Company considers the protection of its confidential information and proprietary materials to be very important. Therefore, as
a condition of your employment, you and the Company will become parties to a Confidential Disclosure, Non-Competition, Non-Solicitation and Developments Agreement
substantially in the form of Attachment A to this letter (the “Confidentiality Agreement”). 
 8. General. 

(a) This letter, together with the Confidentiality Agreement and the Stock Option Agreement, will constitute our entire agreement as to your
employment by the Company and will supersede any prior agreements or understandings, whether in writing or oral. 
 (b) This letter shall be
governed by the law of the Commonwealth of Massachusetts. 
 You may accept this offer of employment and the terms and conditions thereof by
signing the enclosed additional copy of this letter and the Confidentiality Agreement, which execution will evidence your agreement with the terms and conditions set forth herein and therein, and returning them to the Company. 

This offer of employment will expire on July 20th, 2015 unless accepted by you prior to
such date. 











 
			
	Sincerely,
	
	GREENLIGHT BIOSCIENCES, INC.


 
			
		
	By:	 	/s/ Andrey Zarur


 
			
	Name:	 	Andrey Zarur
	Title:	 	CEO


  

							
	Accepted and Approved:	 		 	
				
	/s/ Carole Cobb	 		 		 	July 21, 2015
	Print Name: Carole Cobb	 		 		 	Date