Mark Elliott Boulding - Jan 7, 2022 Form 4 Insider Report for PTC THERAPEUTICS, INC. (PTCT)

Role: Exec. VP and CLO
Signature: /s/ Avraham S. Adler, attorney-in-fact
Stock symbol: PTCT
Transactions as of: Jan 7, 2022
Transactions value $: -$34,095
Form type: 4
Date filed: 1/11/2022, 03:19 PM
Previous filing: Sep 3, 2021
Next filing: Feb 3, 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PTCT	Common Stock	Sale	-$34.1K	-885	-1.83%	$38.53	47.5K	Jan 7, 2022	Direct	F1
transaction	PTCT	Common Stock	Award	$0	+14.4K	+30.32%	$0.00	61.9K	Jan 7, 2022	Direct	F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	PTCT	Stock Option (Right to Buy)	Award	$0	+54K		$0.00	54K	Jan 7, 2022	Common Stock	54K	$38.10	Direct	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents shares automatically sold pursuant to an irrevocable sell to cover election to satisfy tax withholding obligations in connection with the vesting of 2,550 RSUs from a January 6, 2021 grant of 10,200 RSUs.
F2	Restricted stock units granted on January 7, 2022 that vest in four equal installments over four years, commencing on January 7, 2023.
F3	This option was granted on January 7, 2022, and vests over four years, with 25% of the shares underlying the option vesting on January 7, 2023, 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 7, 2023.