Document:

EX-10.19

 Exhibit 10.19 
  

 
 October 14, 2013 

Personal and Confidential 
 Dear Eric: 

I am very pleased to provide you with a summary of the terms and conditions of your anticipated employment by bluebird bio, Inc. (the
“Company”). The following outlines the terms and conditions of your offer of employment. We hope that you will help further build a meaningful company that helps the lives of many patients in need! 

Your position will be Senior Director, Finance reporting to Linda Bain, VP, Finance & Business Operations. As our employee, we expect
that you will devote substantially all of your working time to the performance of your duties to the Company, and you will perform any and all duties and responsibilities normally associated with your position in a satisfactory manner and to the
best of your abilities at all times. If you accept this offer, your employment with the Company will begin on November 4, 2013 (the “Commencement Date”). 

Please note, however, that no provision of this letter shall be construed to create an express or implied employment contract, or a promise of
employment for any specific period of time. Your employment with the Company is at-will employment which may be terminated by you or the Company at any time for any reason with or without advance notice. Here is a summary of the terms: 

 

	•	 	Your initial salary will be $7,115.38 paid on a bi-weekly basis, which when annualized equals $185,000. Your base salary shall be payable in substantially equal periodic installments in accordance with Company’s
normal payroll practices as in effect from time to time (the “Base Salary”). The Company will deduct from each such installment of the Base Salary all amounts required to be deducted or withheld under applicable law or under any employee
benefit plan in which you participate. You understand and agree that the annualized base rate described above is set forth as a matter of convenience and does not constitute nor will be deemed to constitute an agreement by the Company to employ you
for any specific period of time. 

  

	•	 	You will be eligible for a one-time sign-on bonus in the amount of $25,000, less applicable taxes, payable in one installment; on the payroll following your first date of employment. 

 

	•	 	Subject to approval by the Company’s Board of Directors (or an appropriate Committee appointed by the Board of Directors), the Company will grant you an option to purchase 12,000 shares of common stock in the
Company at the then-current fair market value, pursuant to the terms of the Company’s 2013 Stock Option and Incentive Plan. You will need to sign the appropriate equity agreement, in the Company’s standard form, which, together with the
Stock Plan, constitutes the “Equity Documents.” 

  

	•	 	You will also be eligible to participate fully in employee benefit plans that the Company provides or may establish for the benefit of its employees generally. Your eligibility to participate in these plans and receive
benefits thereunder will be subject to the plan documents governing such benefits. Notwithstanding the foregoing, you understand and agree that nothing contained herein will require the Company to establish or maintain any fringe benefits and any
such benefits may be modified, amended, terminated or cancelled at any time by the Company in its sole and absolute discretion. 

  
 

 
 Because your employment with the Company is on an “at-will” basis, either you or the Company may
terminate the employment relationship at any time, for any or no reason. As a condition of your employment, you certify to the Company that you are free to enter into and fully perform the duties of your position and that you are not subject to any
employment, confidentiality, non-competition or other agreement that would restrict your performance for the Company. You further certify that your signing this letter of employment does not violate any order, judgment or injunction applicable to
you, or conflict with or breach any agreement to which you are a party or by which you are bound. If you are subject to any such agreement or order, please forward it to Jeff Walsh along with a copy of this letter. 

Additionally, as a condition of your employment, you also certify that all facts you have presented to the Company are accurate and true. This
includes, but is not limited to, all oral and written statements you have made (including those pertaining to your education, training, qualifications, licensing and prior work experience), resume or c.v., or in any interview or discussion with the
Company. 
 The Company considers the protection of its confidential information, proprietary materials and goodwill to be extremely
important. Accordingly, you will be required to sign and return an agreement relating to confidentiality, non-competition and work product on or before your first day of work, as a condition of this offer of employment (the “Assignment of
Invention, Nondisclosure and Noncompetition Agreement”). A copy of the Assignment of Invention, Nondisclosure and Noncompetition Agreement is enclosed for your consideration and signature. 

Your employment with the Company is also conditioned on your eligibility to work in the United States. On your first day, you must complete an
I-9 Form and provide us with any of the accepted forms of identification specified on the I-9 Form. A copy of an I-9 Form is enclosed for your information. 

This letter, along with the Equity Documents and the Assignment of Invention, Nondisclosure and Noncompetition Agreement, constitute our
entire offer regarding the terms and conditions of your prospective employment with the Company, and supersedes any prior agreements, or other promises or statements (whether oral or written) regarding the offered terms of employment. 

The terms of your employment shall be governed by the law of Massachusetts. By accepting this offer of employment, you agree that any action,
demand, claim or counterclaim in connection with any aspect of your employment with the Company, or any separation of employment (whether voluntary or involuntary) from the Company, shall be resolved in a court of competent jurisdiction in
Massachusetts by a judge alone, and you waive and forever renounce your right to a trial before a civil jury. 

  
 

 
 You may accept this offer of employment and the terms and conditions hereof by signing the enclosed
additional copy of this letter. Your signature on the copy of this letter and your submission of the signed copy to me will evidence your agreement with the terms and conditions set forth herein. This offer will expire on October 17, 2013
unless accepted by you prior to such date by directing the signed offer letter to my attention with two signed copies of the Assignment of Invention, Nondisclosure and Noncompetition Agreement. 

Eric, we are pleased to offer you the opportunity to join the Company, and we look forward to having you aboard. We are confident that you
will continue to make important contributions to our unique and exciting opportunity to make a difference in bringing important new therapies to patients who need them. 

 

	
	Sincerely,
	
	 /s/ Linda Bain

	Linda Bain
	VP, Finance & Business Operations

 Acknowledged And Agreed: 
  

	
	 /s/ Eric M. Sullivan

	Eric Sullivan
	
	 10/16/13

	Date

  

			
	Enclosures:	  	Copy of Offer Letter
		  	I-9 Form
		  	Assignment of Invention, Nondisclosure and Noncompetition Agreement (2)
		  	Employee Benefits SummaryEX-4.3

 Exhibit 4.3 

ADMISSION AGREEMENT AND AMENDMENT TO FOURTH AMENDED AND RESTATED 

AGREEMENT OF LIMITED PARTNERSHIP 

OF 
 INDEPENDENCE REALTY
OPERATING PARTNERSHIP, LP 
 THIS ADMISSION AGREEMENT AND AMENDMENT (this “Agreement”), dated as of May 7, 2014,
is entered into and among the Partnership, the General Partner and the New Limited Partners (as those terms are defined below). 
 WHEREAS,
by Fourth Amended and Restated Agreement of Limited Partnership of Independence Realty Operating Partnership, LP dated as of May 7, 2013 (the “Partnership Agreement”) among Independence Realty Trust, Inc., a Maryland
corporation (the “General Partner”), and IRT Limited Partner, LLC, a Delaware limited liability company (“IRT”) as a limited partner, a Delaware limited partnership was organized under the name Independence Realty
Operating Partnership, LP (the “Partnership”); and 
 WHEREAS, the General Partner, pursuant to its authority under
Section 4.2 of the Partnership Agreement, desires to admit the parties listed on Schedule A attached hereto as limited partners in the Partnership (each a “New Limited Partner” and collectively, the “New Limited
Partners”); 
 WHEREAS, capitalized terms used, but not defined herein have the means assigned to them in the Partnership
Agreement; 
 NOW, THEREFORE, the parties hereto, intending to be legally bound hereby, agree as follows: 

1. The Partnership hereby admits each New Limited Partner as a Limited Partner in the Partnership with all of the rights and obligations of a
Limited Partner in accordance with the terms and conditions of the Partnership Agreement, and the Partnership hereby issues to each New Limited Partner the number of Common Units stated opposite such New Limited Partner’s name on
Schedule A attached hereto. Each New Limited Partner has made a Capital Contribution of Contributed Property in exchange for such Common Unit(s). 

2. The definition of “Advisory Agreement” is hereby deleted in its entirety and replaced with the following: “‘Advisory
Agreement’ means the Second Amended and Restated Advisory Agreement among the Partnership and the General Partner, as advisees, and the Advisor, as advisor, as amended by that certain First Amendment to Second Amended and Restated Advisory
Agreement and as may be further modified, amended or restated from time to time.” 
 3. Exhibit A to the Partnership Agreement is
hereby amended and restated as set forth in Schedule B attached hereto. 
 4. The New Limited Partners have contributed as of
the date hereof their respective ownership interests in and to that certain real property and the improvements thereon commonly known as Carrington Park Apartments, 1801 Champlin Drive, Little Rock, Arkansas, which shall be deemed Contributed
Property, the Gross Asset Value of each New Limited Partner’s Contributed Property is stated opposite such New Limited Partner’s name on Schedule A attached hereto, and each New Limited Partner’s Capital Account shall have
a credit of such amount. 
 5. The New Limited Partners hereby join in and agree to be bound as Limited Partners by the Partnership
Agreement, as amended hereby, including without limitation the power of attorney granted in Section 2.4 of the Partnership Agreement. 

 6. The New Limited Partners, the General Partner and the Partnership are executing as of the date
hereof that certain Exchange Rights Agreement. 
 7. This Agreement may be executed in counterparts. 

[SIGNATURES APPEAR ON FOLLOWING PAGES] 

  
 2 

 IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the date first above
written. 
  

									
	PARTNERSHIP:
	
	INDEPENDENCE REALTY OPERATING PARTNERSHIP, LP, a Delaware limited partnership
		
	By:	 	Independence Realty Trust, Inc., a Maryland corporation, its general partner
		
		 	By: Independence Realty Advisors, LLC, a Delaware limited liability company, its authorized agent
					
		 		 		 	By:	 	 /s/ Farrell Ender

		 		 		 		 	Farrell Ender, President
	
	GENERAL PARTNER:
	
	INDEPENDENCE REALTY TRUST, INC.,
a Maryland corporation
		
		 	By: Independence Realty Advisors, LLC, a Delaware limited liability company, its authorized agent
					
		 		 		 	By:	 	 /s/ Farrell Ender

		 		 		 		 	Farrell Ender, President

 [SIGNATURES CONTINUE ON NEXT PAGE] 

  
 [Admission of Limited
Partners – SP] 

									
	NEW LIMITED PARTNERS:	 		 	
			
	USA CARRINGTON PARK 4, LLC,	 		 	USA CARRINGTON PARK 13, LLC,
	a Delaware limited liability company	 		 	a Delaware limited liability company
					
	By:	 	 /s/ Kevin S. Fitzgerald
	 		 	By:	 	 /s/ Kevin S. Fitzgerald

	Name:	 	Kevin S. Fitzgerald	 		 	Name:	 	Kevin S. Fitzgerald
	Title:	 	Vice President	 		 	Title:	 	Vice President
			
	USA CARRINGTON PARK 5, LLC,	 		 	USA CARRINGTON PARK 14, LLC,
	a Delaware limited liability company	 		 	a Delaware limited liability company
					
	By:	 	 /s/ Kevin S. Fitzgerald
	 		 	By:	 	 /s/ Kevin S. Fitzgerald

	Name:	 	Kevin S. Fitzgerald	 		 	Name:	 	Kevin S. Fitzgerald
	Title:	 	Vice President	 		 	Title:	 	Vice President
			
	USA CARRINGTON PARK 7, LLC,	 		 	USA CARRINGTON PARK 16, LLC,
	a Delaware limited liability company	 		 	a Delaware limited liability company
					
	By:	 	 /s/ Kevin S. Fitzgerald
	 		 	By:	 	 /s/ Kevin S. Fitzgerald

	Name:	 	Kevin S. Fitzgerald	 		 	Name:	 	Kevin S. Fitzgerald
	Title:	 	Vice President	 		 	Title:	 	Vice President
			
	USA CARRINGTON PARK 11, LLC,	 		 	USA CARRINGTON PARK 19, LLC,
	a Delaware limited liability company	 		 	a Delaware limited liability company
					
	By:	 	 /s/ Kevin S. Fitzgerald
	 		 	By:	 	 /s/ Kevin S. Fitzgerald

	Name:	 	Kevin S. Fitzgerald	 		 	Name:	 	Kevin S. Fitzgerald
	Title:	 	Vice President	 		 	Title:	 	Vice President
			
	USA CARRINGTON PARK 12, LLC,	 		 	USA CARRINGTON PARK 20, LLC,
	a Delaware limited liability company	 		 	a Delaware limited liability company
					
	By:	 	 /s/ Kevin S. Fitzgerald
	 		 	By:	 	 /s/ Kevin S. Fitzgerald

	Name:	 	Kevin S. Fitzgerald	 		 	Name:	 	Kevin S. Fitzgerald
	Title:	 	Vice President	 		 	Title:	 	Vice President
				
		 		 		 	USA CARRINGTON PARK 23, LLC,
		 		 		 	a Delaware limited liability company
					
		 		 		 	By:	 	 /s/ Kevin S. Fitzgerald

		 		 		 	Name:	 	Kevin S. Fitzgerald
		 		 		 	Title:	 	Vice President

  
 [Admission of Limited
Partners – SP] 

 SCHEDULE A 

NEW LIMITED PARTNERS’ PARTNERSHIP INTERESTS 
  

									
	 New Limited Partner:
	  	Gross Asset
Value	 	  	Common
Units	 
	 USA Carrington Park 4, LLC
	  	$	94,653.24	  	  	 	10,585.83	  
	 USA Carrington Park 5, LLC
	  	$	94,653.24	  	  	 	10,585.83	  
	 USA Carrington Park 7, LLC
	  	$	217,306.93	  	  	 	24,303.19	  
	 USA Carrington Park 11, LLC
	  	$	145,406.49	  	  	 	16,261.98	  
	 USA Carrington Park 12, LLC
	  	$	97,002.93	  	  	 	10,848.62	  
	 USA Carrington Park 13, LLC
	  	$	69,785.72	  	  	 	7,804.70	  
	 USA Carrington Park 14, LLC
	  	$	69,785.72	  	  	 	7,804.70	  
	 USA Carrington Park 16, LLC
	  	$	100,214.17	  	  	 	11,207.76	  
	 USA Carrington Park 19, LLC
	  	$	217,228.60	  	  	 	24,294.42	  
	 USA Carrington Park 20, LLC
	  	$	779,234.68	  	  	 	87,148.09	  
	 USA Carrington Park 23, LLC
	  	$	100,292.82	  	  	 	11,216.55	  
		  	  
	  
	 	  	  
	  
	 
			
		  	$	1,985,564.54	  	  	 	222,061.68	  
		  	  
	  
	 	  	  
	  
	 

 SCHEDULE B 

PARTNERS’ PARTNERSHIP INTERESTS 

[SEE ATTACHED] 

 Partners’ Partnership Interests 

As of May 7, 2014 
  

					
	 Name and Address of Partner
	  	 Type of Interest
	  	 Number of Common
Units

	 General Partner:
	  		  	
			
	Independence Realty Trust, Inc., as
General Partner
Cira Centre
2929 Arch Street, 17th Floor
Philadelphia, PA 19104	  	General Partnership Interest	  	17,742,439.837
			
	 Limited Partners:
	  		  	
			
	IRT Limited Partner, LLC, as an Initial
Limited Partner
Cira Centre
2929 Arch Street, 17th Floor
Philadelphia, PA 19104	  	Limited Partnership Interest	  	100
			
	USA Carrington Park 4, LLC
c/o Mike Spalding
18 Buckthorn Drive
Littleton, CO 80127	  	Limited Partnership Interest	  	10,585.83
			
	USA Carrington Park 5, LLC
c/o Paula Spalding
18 Buckthorn Drive
Littleton, CO 80127	  	Limited Partnership Interest	  	10,585.83
			
	USA Carrington Park 7, LLC
c/o J.D. Nock and Helmtrud S. Nock
Revocable Trust DTD 12/18/98
8655 Skyline Blvd.
Oakland, CA 94611	  	Limited Partnership Interest	  	24,303.19
			
	USA Carrington Park 11, LLC
c/o Glenn W. Baldwin
445 Sangamon Lane
Dixon, IL 61021	  	Limited Partnership Interest	  	16,261.98

					
			
	USA Carrington Park 12, LLC
c/o The Scott/Erquiaga Trust, Gregory R. Scott,
Gene X. Erquiaga, Trustees
5839 Overlake Ave.
San Diego, CA 92120	  	Limited Partnership Interest	  	10,848.62
			
	USA Carrington Park 13, LLC
c/o Sonja Bjork
1219 Peralta Ave.
Berkeley, CA 94706	  	Limited Partnership Interest	  	7,804.70
			
	USA Carrington Park 14, LLC
c/o Tanja M. Schlosser
1219 Peralta Ave.
Berkely, CA 94706	  	Limited Partnership Interest	  	7,804.70
			
	USA Carrington Park 16, LLC
c/o Florence W. Danneberg
835 McFarlane Avenue
Sebastopol, CA 95472	  	Limited Partnership Interest	  	11,207.76
			
	USA Carrington Park 19, LLC
c/o Canelo Family Partnership, L.P.,
Sally Canelo, General Partner
2980 Florist Lane
Merced, CA 95340	  	Limited Partnership Interest	  	24,294.42
			
	USA Carrington Park 20, LLC
c/o The Brovelli Family Trust 2A,
Edmond F. Brovelli, Jr., Trustee
9 Ridgetop Way
Napa, CA 94558	  	Limited Partnership Interest	  	87,148.09
			
	USA Carrington Park 23, LLC
c/o Alois and Joan Lamprecht,
as husband and wife
21213 B. Hawthorne Blvd.
Torrance, CA 90503	  	Limited Partnership Interest	  	11,216.55

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