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Form 8-K

sec.gov

8-K — PTC THERAPEUTICS, INC.

Accession: 0001104659-26-071040

Filed: 2026-06-05

Period: 2026-06-02

CIK: 0001070081

SIC: 2834 (PHARMACEUTICAL PREPARATIONS)

Item: Submission of Matters to a Vote of Security Holders

Documents

8-K — tmb-20260602x8k.htm (Primary)

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8-K

8-K (Primary)

Filename: tmb-20260602x8k.htm · Sequence: 1

PTC THERAPEUTICS, INC._June 2, 2026

0001070081false00010700812026-06-022026-06-02

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 2, 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 5.07. Submission of Matters to a Vote of Security Holders.

The Company held its Annual Meeting on June 2, 2026 (the “Annual Meeting”). The results for the votes regarding each proposal at the Annual Meeting are set forth below. As of the record date of the Annual Meeting, April 10, 2026, there were 82,911,783 shares of the Company’s common stock outstanding. Each share of common stock entitled its holder to one vote per share.

The stockholders of the Company elected four Class I directors, each to hold office until the Company’s 2029 annual meeting of stockholders or until his or her successor has been duly elected and qualified, as follows:

Director

For

Withheld

Broker Non-Votes

Jessica Chutter

71,945,515

737,780

3,858,311

Matthew B. Klein, M.D., M.S., F.A.C.S.

71,550,878

1,132,417

3,858,311

Stephanie S. Okey, M.S.

68,902,707

3,780,588

3,858,311

Jerome B. Zeldis, M.D., Ph.D.

69,821,943

2,861,352

3,858,311

The appointment of Ernst & Young LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026 was ratified by the Company’s stockholders with 76,170,292 votes “For,” 355,794 votes “Against,” and 15,520 votes “Abstained.”

The non-binding advisory proposal on named executive officer compensation was approved by the Company’s stockholders with 71,166,204 votes “For,” 1,492,801 votes “Against,” 24,290 votes “Abstained,” and 3,858,311 broker non-votes.

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 5, 2026

By:

/s/ Pierre Gravier

Name:

Pierre Gravier

Title:

Chief Financial Officer

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Jun. 02, 2026

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Entity Incorporation, State or Country Code

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Entity Tax Identification Number

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Entity Address, Address Line One

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Entity Address, City or Town

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