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 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 *
TAYTON-MARTIN HELEN KATRINA
   2. Issuer Name and Ticker or Trading Symbol
Adaptimmune Therapeutics PLC [ADAP] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Business Officer
(Last)
(First)
(Middle)
C/O ADAPTIMMUNE THERAPEUTICS PLC,, 60 JUBILEE AVENUE, MILTON PARK		 3. Date of Earliest Transaction (Month/Day/Year)
01/16/2020
(Street)

ABINGDON, X0 OX14 4RX		 4. If Amendment, Date Original Filed(Month/Day/Year)
 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

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
Option to purchase Ordinary Shares $ 0.74 (1) 01/16/2020   A   1,257,744     (2) 01/16/2030 Ordinary Shares 1,257,744 $ 0 1,257,744 D  
Option to purchase Ordinary Shares $ 0.0013 (3) 01/16/2020   A   280,896     (4) 01/16/2030 Ordinary Shares 280,896 $ 0 280,896 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
TAYTON-MARTIN HELEN KATRINA
C/O ADAPTIMMUNE THERAPEUTICS PLC,
60 JUBILEE AVENUE, MILTON PARK
ABINGDON, X0 OX14 4RX		       Chief Business Officer  

Signatures

 /s/ Helen Tayton-Martin   01/17/2020
**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) The exercise price was converted from GBP0.57 based on an exchange rate of U.S$1.302659 to GBP1.00. The actual exercise price will be the pounds sterling amount.
(2) Exercisable as to 314,436 Ordinary Shares on January 16, 2021 and will be exercisable as to the remainder in monthly installments of 26,202 Ordinary Shares on the sixteenth of each month from February 16, 2021 through December 16, 2023 and 26,238 Ordinary Shares on January 16, 2024.
(3) The exercise price was converted from GBP0.001, being the nominal value of an ordinary share, based on an exchange rate of $U.S 1.302659 to GBP1.00. The actual exercise price will be the pounds sterling amount.
(4) Exercisable as to 70,224 Ordinary Shares on January 16, 2021 and will be exercisable as to the remainder in annual installments of 70,224 Ordinary Shares on January 16, 2022 and January 16, 2023, and 70,224 Ordinary Shares on January 16, 2024.

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