PTC THERAPEUTICS, INC. — Director's Dealing 2017

May 11, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PTC THERAPEUTICS, INC. (PTCT)
CIK: 0001070081
Period of Report: 2017-05-09

Reporting Person: Kovacs Shane William Charles (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-09	Common Stock	M	10000	$10.85	Acquired	37850	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-05-09	Stock Option (Right To Buy)	$10.85	M	10000	Disposed	2023-05-21	Common Stock (10000.0)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option (Right To Buy)	$27.05	2024-01-27	Common Stock (46384.0)	46384	Direct
Stock Option (Right To Buy)	$51.0	2025-01-01	Common Stock (85600.0)	85600	Direct
Stock Option (Right To Buy)	$30.86	2026-01-03	Common Stock (80000.0)	80000	Direct
Stock Option (Right To Buy)	$11.23	2027-01-02	Common Stock (52500.0)	52500	Direct

Footnotes

F1: This option award was granted on May 22, 2013, with 25% of the shares underlying the option vested on May 22, 2014, and an additional 2.083% of the original number of shares underlying the option vesting on a monthly basis thereafter, beginning on June 30, 2014.

F2: This option award was granted on January 28, 2014, with 25% of the shares underlying the option vested 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.

F3: This option award was granted on January 2, 2015, 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.

F4: This option was granted on January 4, 2016, and vests over four years, with 25% of the shares underlying the option vesting on January 4, 2017, 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 4, 2017.

F5: This option was granted on January 3, 2017, and vests over four years, with 25% of the shares underlying the option vesting on January 3, 2018, 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 3, 2018.