PTC THERAPEUTICS, INC. — Director's Dealing 2015

Feb 26, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PTC THERAPEUTICS, INC. (PTCT)
CIK: 0001070081
Period of Report: 2015-02-23

Reporting Person: Rothera Mark (Chief Commercial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-02-23	Common Stock	S	3000	$64.72	Disposed	0	Direct
2015-02-23	Common Stock	M	20000	$10.85	Acquired	20000	Direct
2015-02-23	Common Stock	S	5000	$62.69	Disposed	15000	Direct
2015-02-23	Common Stock	S	5000	$63.66	Disposed	10000	Direct
2015-02-23	Common Stock	S	10000	$67.84	Disposed	0	Direct
2015-02-24	Common Stock	M	1000	$10.85	Acquired	1000	Direct
2015-02-24	Common Stock	S	1000	$67.70	Disposed	0	Direct
2015-02-25	Common Stock	M	10375	$10.85	Acquired	10375	Direct
2015-02-25	Common Stock	M	625	$10.85	Acquired	11000	Direct
2015-02-25	Common Stock	S	11000	$73.49	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-02-23	Stock Option (Right To Buy)	$10.85	M	20000	Disposed	2023-05-15	Common Stock (20000)	Direct
2015-02-24	Stock Option (Right To Buy)	$10.85	M	1000	Disposed	2023-05-15	Common Stock (1000)	Direct
2015-02-25	Stock Option (Right To Buy)	$10.85	M	10375	Disposed	2023-05-15	Common Stock (10375)	Direct
2015-02-25	Stock Option (Right To Buy)	$10.85	M	625	Disposed	2015-05-15	Common Stock (625)	Direct

Footnotes

F1: The transactions reported in this Form 4 were effected pursuant to a written Rule 10b5-1 plan.

F2: This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $64.30 to $65.05 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.

F3: This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $62.30 to $63.04 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.

F4: This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $63.20 to $64.04 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.

F5: This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $67.70 to $68.29 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.

F6: This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $73.35 to $73.97 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.

F7: 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.

F8: 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.