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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): July 1, 2020

PTC THERAPEUTICS, INC.

(Exact Name of Company as Specified in Charter)

Delaware		001-35969		04-3416587
(State or Other Jurisdiction of Incorporation)		(Commission File Number)		(IRS Employer Identification No.)

100 Corporate Court
South Plainfield,	NJ		07080
(Address of Principal Executive Offices)			(Zip Code)

Registrant’s telephone number, including area code: (908) 222-7000

Not applicable

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, $0.001 par value per share	PTCT	Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company    ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.     o

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Item 1.02. Termination of a Material Definitive Agreement

On July 1, 2020, PTC Therapeutics, Inc. (the “Company”) terminated the Credit and Security Agreement, dated May 5, 2017, as amended, by and among the Company, MidCap Financial Trust and the additional lenders thereto (the "Credit Agreement"). In connection with the termination of the Credit Agreement, the Company repaid outstanding principal and accrued interest thereunder totaling $18.4 million and paid an additional $0.6 million in termination and exit fees. All liens and security interests securing the term loan made pursuant to the Credit Agreement were released upon termination.

Item 9.01.	Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.		Description
104		The cover page from this Current Report on Form 8-K, formatted in Inline XBRL

Signature

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this Report to be signed on its behalf by the undersigned hereunto duly authorized.

	PTC Therapeutics, Inc.
Date: July 2, 2020	By:	/s/ Mark Boulding
	Name:	Mark Boulding
	Title:	Executive Vice President and Chief Legal Officer