Christine Marie Utter - 07 Jan 2022 Form 4 Insider Report for PTC THERAPEUTICS, INC. (PTCT)

Role: SVP, Finance & CAO
Signature: /s/ Avraham S. Adler, attorney-in-fact
Issuer symbol: PTCT
Transactions as of: 07 Jan 2022
Net transactions value: -$28,778
Form type: 4
Filing time: 11 Jan 2022, 15:21:35 UTC
Next filing: 20 Jan 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	$28,778	-747	-4.4%	$38.52	16,253	07 Jan 2022	Direct	F1, F2
transaction	PTCT	Common Stock	Award	$0	+11,600	+71%	$0.000000	27,853	07 Jan 2022	Direct	F3

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	+43,500		$0.000000	43,500	07 Jan 2022	Common Stock	43,500	$38.10	Direct	F4

* 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 2,175 RSUs from a January 6, 2021 grant of 8,700 RSUs.
F2	Includes 206 shares of common stock acquired under the Issuer's employee stock purchase plan for the period ending June 30, 2021 and 285 shares of common stock acquired under the Issuer's employee stock purchase plan for the period ending December 31, 2021.
F3	Restricted stock units granted on January 7, 2022 that vest in four equal installments over four years, commencing on January 7, 2023.
F4	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.