[144] PTC Therapeutics, Inc. SEC Filing

Rhea-AI Filing Summary

PTC Therapeutics, Inc. (PTCT) filed a Form 144 notice for a proposed sale of 12,000 common shares held at Fidelity Brokerage Services. The filing shows an aggregate market value of $700,128.81 and reports 79,438,094 shares outstanding, with an approximate sale date of 09/09/2025 on NASDAQ. The securities were acquired via an option granted on 01/04/2016 and are to be sold for cash; no sales in the prior three months were reported.

Insights

Securities Analyst

TL;DR: Small insider sale notice: 12,000 shares worth $700k, not clearly material given total shares outstanding.

The Form 144 indicates an option-originated sale of 12,000 common shares with an aggregate market value of $700,128.81 scheduled for 09/09/2025. Compared with the reported 79.4 million shares outstanding, this block is a small fraction of the float. The filing does not disclose the seller's identity beyond broker details or any recent insider trading activity beyond the statement that no sales occurred in the past three months. No new financial results, changes in control, or other operational information are included, limiting direct investor implications.

Corporate Governance Expert

TL;DR: Routine compliance filing for a planned sale under Rule 144; contains required representations but no governance red flags.

The notice follows Rule 144 procedures, stating the securities were acquired by option and will be sold for cash through Fidelity Brokerage Services. The signer represents there is no undisclosed material adverse information. The form does not present any disclosures about related-party relationships, plan adoption dates, or clustered insider sales that would raise governance concerns. Absent additional context about the seller, the filing appears procedural rather than signaling governance issues.

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	12000	700128.81	79438094	09/09/2025	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	09/09/2025	Option Granted 01/04/2016	Issuer			12000	09/09/2025	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

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 does the PTCT Form 144 notice disclose?

The notice discloses a proposed sale of 12,000 common shares valued at $700,128.81, acquired via an option and planned for 09/09/2025 on NASDAQ.

How many PTCT shares are outstanding according to the filing?

The filing reports 79,438,094 shares outstanding.

Was the acquisition method of the shares disclosed in the Form 144?

Yes. The shares were acquired via an option granted on 01/04/2016 and will be sold for cash.

Does the filing report any sales of PTCT securities in the past three months?

No. The section for securities sold during the past three months states Nothing to Report.

Which broker is handling the proposed sale in the Form 144?

The broker listed is Fidelity Brokerage Services LLC with an address in Smithfield, RI.