PTCT Rule 144 notice: proposed sale of 55,000 shares on 10/03/2025

Rhea-AI Filing Summary

PTC Therapeutics (PTCT) filed a Form 144 notice for a proposed sale of 55,000 shares of common stock. The filing lists an aggregate market value of $3,632,946.95 for the shares and an approximate sale date of 10/03/2025. The designated broker is Fidelity Brokerage Services LLC, and the shares are listed on NASDAQ.

The shares were acquired via an option grant dated 01/04/2016, from the issuer, with payment noted as cash on 10/03/2025. The filing also reports 79,438,094 shares outstanding. This notice reflects an intention to sell under Rule 144 and does not itself execute a transaction.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	55000	3632946.95	79438094	10/03/2025	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	10/03/2025	Option Granted - 01/04/2016	Issuer			55000	10/03/2025	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What did PTCT disclose in this Form 144?

A proposed sale of 55,000 shares of common stock with an aggregate market value of $3,632,946.95.

When is the proposed sale date for PTCT shares?

The approximate sale date is 10/03/2025.

Which broker is listed for the PTCT Form 144 sale?

The filing names Fidelity Brokerage Services LLC as the broker.

On which exchange are the PTCT shares listed?

The shares are listed on NASDAQ.

How were the shares to be sold acquired?

They were acquired via an Option Granted - 01/04/2016 from the issuer, with cash payment dated 10/03/2025.

How many PTCT shares are outstanding according to the notice?

The filing reports 79,438,094 shares outstanding.

Does this Form 144 mean the sale has occurred?

No. It is a notice of proposed sale under Rule 144, not a completed transaction.