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PTCT · Current Report (Form 8-K) · Filed June 9, 2026

Ptc Therapeutics Inc — Current Report (Form 8-K)

Form
8-K
Filed
June 9, 2026
Period
Jun 8, 2026
Ticker
PTCT
Accession
0001104659-26-071916
Boardroom Alpha · Filing insights

Alethia Young resigns from PTC board; becomes advisor under a consulting agreement through June 8, 2027, at $4,166.67 per month.

About Ptc Therapeutics Inc
Market cap
$5.8B
1Y TSR
+45.5%
3Y TSR
+21.5%
Board grade
B-
Sector
Healthcare
CEO
Matthew B Klein
Last annual meeting: Jun 2, 2026 · View full Ptc Therapeutics Inc profile →
PTC THERAPEUTICS, INC._June 8, 2026

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): June 8, 2026

PTC THERAPEUTICS, INC.

(Exact Name of Company as Specified in Charter)

Delaware

  ​ ​ ​

001-35969

  ​ ​ ​

04-3416587

(State or Other Jurisdiction

(Commission

(IRS Employer

of Incorporation)

File Number)

Identification No.)

500 Warren Corporate Center Drive

  ​ ​ ​

Warren, NJ

07059

(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.

Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On June 8, 2026, Alethia Young, a member of the board of directors (the “Board”) of PTC Therapeutics, Inc. (the “Company”), notified the Company of her resignation from the Board effective June 8, 2026. Ms. Young has informed the Company that her decision is based on her need to focus on commitments to her other work activities and was not due to any disagreement with the Company.

The Company and Ms. Young entered into a consulting agreement effective as of June 8, 2026 (the “Consulting Agreement”) pursuant to which Ms. Young will remain as an advisor to the Company, with a term continuing through June 8, 2027. Pursuant to the Consulting Agreement, Ms. Young will receive a monthly consulting fee of $4,166.67.

The foregoing description of the Consulting Agreement is qualified in its entirety by reference to the full text of the Consulting Agreement, a copy of which is attached hereto as Exhibit 10.1 and incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.

  ​ ​ ​

Description

10.1

Consulting Services Agreement between the Registrant and Alethia Young

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: June 9, 2026

By:

/s/ Pierre Gravier

Name:

Pierre Gravier

Title:

Chief Financial Officer

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Reference

Frequently asked questions

When did Ptc Therapeutics Inc file this 8-K?
Ptc Therapeutics Inc (PTCT) filed this Current Report (Form 8-K) with the SEC on June 9, 2026. The accession number assigned by EDGAR is 0001104659-26-071916.
What does an 8-K disclose?
Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).
What is the key takeaway from this filing?
Alethia Young resigns from PTC board; becomes advisor under a consulting agreement through June 8, 2027, at $4,166.67 per month. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.
What Item codes does an 8-K cover?
An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.
Where can I find Ptc Therapeutics Inc's prior current reports on EDGAR?
The SEC EDGAR browser lists every 8-K Ptc Therapeutics Inc has filed under CIK 1070081, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.
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