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 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 *
  Sigal Charles Elliott
 2. Date of Event Requiring Statement (Month/Day/Year)
01/01/2016		 3. Issuer Name and Ticker or Trading Symbol
Adaptimmune Therapeutics PLC [ADAP]
(Last)
(First)
(Middle)
32 BREARLY ROAD		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

PRINCETON, NJ 08540		 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)
Ordinary Shares with a nominal value of GBP0.001 per share (1) 254,100
I
Shares held by Sigal Family Investments, LLC
Ordinary Shares with a nominal value of GBP0.001 per share (2) 52,938
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
Option to purchase Ordinary Shares   (3) 03/16/2025 Ordinary Shares 519,481 $ 0.74 (4) D  
Option to purchase Ordinary Shares 05/11/2015 05/11/2025 Ordinary Shares 24,596 $ 2.8379 (5) D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Sigal Charles Elliott
32 BREARLY ROAD
PRINCETON, NJ 08540		   X      

Signatures

/s/ Charles Elliott Sigal Name: Charles Elliott Sigal 01/04/2016
**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) Dr. Sigal is a manager of Sigal Family Investments, LLC. Dr. Sigal may be deemed to have voting and investment power over the shares held by Sigal Family Investments, LLC. Dr. Sigal disclaims beneficial ownership of such shares except to the extent of any pecuniary interest therein.
(2) Represented by 8,823 American Depositary Shares ("ADSs") held by Dr. Sigal. Dr. Sigal holds these Ordinary Shares in the form of ADSs. Each ADS represents six Ordinary Shares of Adaptimmune Therapeutics plc.
(3) Exercisable as to 129,870 Ordinary Shares on March 16, 2016 and will be exercisable as to the remainder in monthly installments of 10,822 Ordinary Shares on the sixteenth of each month from April 16, 2016 through February 16, 2019, and in one installment of 10,841 Ordinary Shares on March 16, 2019.
(4) The exercise price was converted from GBP0.50 based on the noon buying rate of the Federal Reserve Bank of New York for the U.S. dollar on the date of grant. The actual exercise price will be the pounds sterling amount regardless of the exchange rate on the date of grant or of exercise.
(5) The exercise price was converted from GBP1.82 based on the noon buying rate of the Federal Reserve Bank of New York for the U.S. dollar on the date of grant. The actual exercise price will be the pounds sterling amount regardless of the exchange rate on the date of grant or of exercise.

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