Ownership Submission
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, 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 *
Almstead Neil Gregory
  2. Issuer Name and Ticker or Trading Symbol
PTC THERAPEUTICS, INC. [PTCT]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP Research Pharma Ops & Tech
(Last)
(First)
(Middle)
C/O PTC THERAPEUTICS, INC., 100 CORPORATE COURT
3. Date of Earliest Transaction (Month/Day/Year)
04/15/2015
(Street)

SOUTH PLAINFIELD, NJ 07080
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
Common Stock 04/15/2015   S(1)   5,400 D $ 68.35 (2) 4,111 D  
Common Stock 04/15/2015   S(1)   4,111 D $ 69.04 (3) 0 D  
Common Stock               1,295 I By spouse

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
Stock Option (Right to Buy) $ 51               (4) 01/01/2025 Common Stock 69,550   69,550 D  
Stock Option (Right to Buy) $ 27.05               (5) 01/27/2024 Common Stock 40,000   40,000 D  
Stock Option (Right to Buy) $ 10.85               (6) 05/15/2023 Common Stock 70,312   70,312 D  
Stock Option (Right to Buy) $ 10.85               (7) 05/15/2023 Common Stock 9,688   9,688 D  
Stock Option (Right to Buy) $ 218.4               (8) 01/10/2022 Common Stock 166   166 D  
Stock Option (Right to Buy) $ 490.8               (9) 04/27/2021 Common Stock 216   216 D  
Stock Option (Right to Buy) $ 1,149.6               (9) 02/02/2020 Common Stock 200   200 D  
Stock Option (Right to Buy) $ 451.2               (9) 05/15/2019 Common Stock 200   200 D  
Stock Option (Right to Buy) $ 735.6               (9) 04/01/2018 Common Stock 194   194 D  
Stock Option (Right to Buy) $ 735.6               (9) 01/25/2018 Common Stock 166   166 D  
Stock Option (Right to Buy) $ 626.4               (9) 04/18/2017 Common Stock 137   137 D  
Stock Option (Right to Buy) $ 392.4               (9) 03/01/2016 Common Stock 119   119 D  
Stock Option (Right to Buy) $ 226.8               (9) 05/24/2015 Common Stock 106   106 D  
Stock Option (Right to Buy) $ 51               (4) 01/01/2025 Common Stock 2,060   2,060 I By spouse
Stock Option (Right to Buy) $ 27.05               (5) 01/27/2024 Common Stock 1,300   1,300 I By spouse
Stock Option (Right to Buy) $ 10.85               (10) 05/15/2023 Common Stock 600   600 I By spouse
Stock Option (Right to Buy) $ 218.4               (8) 01/10/2022 Common Stock 7   7 I By spouse
Stock Option (Right to Buy) $ 490.8               (9) 04/27/2021 Common Stock 7   7 I By spouse
Stock Option (Right to Buy) $ 1,149.6               (9) 02/02/2020 Common Stock 1   1 I By spouse
Stock Option (Right to Buy) $ 508.8               (9) 10/07/2019 Common Stock 12   12 I By spouse

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Almstead Neil Gregory
C/O PTC THERAPEUTICS, INC.
100 CORPORATE COURT
SOUTH PLAINFIELD, NJ 07080
      EVP Research Pharma Ops & Tech  

Signatures

 /s/ Colleen Diver Johnson, attorney-in-fact   04/17/2015
**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 sale transactions reported in this Form 4 were effected pursuant to a written Rule 10b5-1 plan.
(2) This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $67.74 to $68.60 per share. The reporting person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
(3) This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $68.79 to $69.65 per share. The reporting person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
(4) This option was granted on January 2, 2015, and vests over four years, with 25% of the shares underlying the option vesting on January 1, 2016, and an additional 6.25% of the original number of shares underlying the option vesting at the end of each successive three-month period thereafter, beginning on April 1, 2016.
(5) This option was granted on January 28, 2014, and vests over four years, with 25% of the shares underlying the option vesting on January 1, 2015, and an additional 6.25% of the original number of shares underlying the option vesting at the end of each successive three-month period thereafter, beginning on April 1, 2015.
(6) This option was granted on May 15, 2013 and vests over four years, with 25% of the shares underlying the option vested on May 15, 2014 and an additional 2.083% of the original number of shares underlying the option vesting monthly thereafter, beginning on June 15, 2014.
(7) This option was granted on May 15, 2013 and vests over four years, with 25% of the shares underlying the option vested on December 31, 2013 and an additional 2.083% of the original number of shares underlying the option vesting monthly thereafter, beginning on January 31, 2014.
(8) This option was granted on January 10, 2012 and vests over four years, with 25% of the shares underlying the option vested on January 1, 2013 and an additional 6.25% of the original number of shares underlying the option vesting quarterly thereafter beginning on April 1, 2013.
(9) Currently exercisable.
(10) This option was granted on May 15, 2013 and vests over two years, with 50% of the shares underlying the option vested on May 15, 2014 and the remaining 50% of the original number of shares underlying the option vesting on May 15, 2015.

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