PTC THERAPEUTICS, INC. — Director's Dealing 2015

Jan 16, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PTC THERAPEUTICS, INC. (PTCT)
CIK: 0001070081
Period of Report: 2015-01-13

Reporting Person: Rothera Mark (Chief Commercial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-01-13	Common Stock	S	3000	$56.51	Disposed	6000	Direct
2015-01-13	Common Stock	M	5500	$10.85	Acquired	11500	Direct
2015-01-13	Common Stock	S	5500	$58.75	Disposed	6000	Direct
2015-01-14	Common Stock	M	1200	$10.85	Acquired	7200	Direct
2015-01-14	Common Stock	S	1200	$58.62	Disposed	6000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-01-13	Stock Option (Right To Buy)	$10.85	M	5500	Acquired	2023-05-15	Common Stock (5500)	Direct
2015-01-14	Stock Option (Right To Buy)	$10.85	M	1200	Acquired	2023-05-15	Common Stock (1200)	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 $56.30 to $56.81 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 $58.60 to $59.00 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 option was granted on May 15, 2013. 25% of the grant vested on May 15, 2014. The remainder vests as to 1/48 of the shares underlying such option each month until May 2017. One additional share was incorrectly reflected as exercised in the reporting person's Form 4 filed on September 26, 2014 and that error is corrected here.

F5: This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $58.60 to $58.72 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.