PTC THERAPEUTICS, INC. — Director's Dealing 2018

Jan 5, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PTC THERAPEUTICS, INC. (PTCT)
CIK: 0001070081
Period of Report: 2018-01-03

Reporting Person: Utter Christine Marie (Principal Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-01-04	Common Stock	S	412	$17.67	Disposed	6660	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-01-03	Stock Option (Right To Buy)	$18.01	A	40000	Acquired	2028-01-02	Common Stock (40000.0)	Direct

Footnotes

F1: Represents shares automatically sold pursuant to an irrevocable sell to cover election to satisfy tax withholding obligations in connection with the vesting of 975 RSUs from a January 3, 2017 grant of 3,900 shares.

F2: Includes 1,112 shares acquired under the Issuer's employee stock purchase plan for the period ending June 30, 2017 and 663 shares acquired under the Issuer's employee stock purchase plan for the period ending December 31, 2017.

F3: This option was granted on January 3, 2018, and vests over four years, with 25% of the shares underlying the option vesting on January 3, 2019, 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, 2019.