Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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 *
  Cilinski Lynn
 2. Date of Event Requiring Statement (Month/Day/Year)
10/09/2013		 3. Issuer Name and Ticker or Trading Symbol
MACROGENICS INC [MGNX]
(Last)
(First)
(Middle)
C/O MACROGENICS, INC., 9640 MEDICAL CENTER DRIVE		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
V P, Controller and Treasurer
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

ROCKVILLE, MD 20850		 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 Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 11,465 (1)
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (right to buy) 07/07/2007(2) 01/06/2017 Common Stock 11,185 (1) $ 0.94 D  
Stock Option (right to buy) 07/06/2008(2) 01/05/2018 Common Stock 13,316 (1) $ 0.94 D  
Stock Option (right to buy) 07/11/2009(2) 01/10/2019 Common Stock 4,421 (1) $ 0.94 D  
Stock Option (right to buy) 07/11/2009(2) 01/10/2019 Common Stock 2,237 (1) $ 0.94 D  
Stock Option (right to buy) 07/10/2010(2) 01/09/2020 Common Stock 3,995 (1) $ 0.94 D  
Stock Option (right to buy) 07/09/2011(2) 01/08/2021 Common Stock 7,990 (1) $ 0.94 D  
Stock Option (right to buy) 09/14/2012(2) 03/13/2022 Common Stock 7,990 (1) $ 0.94 D  
Stock Option (right to buy) 07/06/2013(2) 01/05/2023 Common Stock 7,990 (1) $ 1.5 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Cilinski Lynn
C/O MACROGENICS, INC.
9640 MEDICAL CENTER DRIVE
ROCKVILLE, MD 20850		       V P, Controller and Treasurer  

Signatures

/s/ Lynn Cilinski 10/09/2013
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) Reflects a 1-for-18.7739 reverse split of our common stock effected on September 26, 2013.
(2) 12.5% of the shares underlying the option are exercisable beginning on the six month anniversary of the vesting start date, and an additional 6.25% of the shares underlying the option become exercisable on the first day of each three month anniversary thereafter.
 
Remarks:
Exhibit 24 - Power of Attorney

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