Form 144: Proposed sale of 15,167 PTCT shares

Form 144 filing reports proposed and recent sales of common stock.

Rhea-AI Filing Summary

Form 144 filing reports proposed and recent sales of common stock. The notice lists 15,167 shares of Common Stock associated with Fidelity Brokerage Services LLC with an entry dated 03/10/2026. The filing also records that Stephanie Okey sold 6,333 shares on 03/05/2026 for $401,385.54.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does PTCT Form 144 disclose about proposed sales?

The filing lists 15,167 shares of Common Stock linked to Fidelity Brokerage Services LLC with an entry dated 03/10/2026. It indicates a proposed sale method and timing as shown on the notice.

How many shares did Stephanie Okey sell in the past three months for PTCT?

The document records that Stephanie Okey sold 6,333 shares of Common Stock on 03/05/2026. The reported gross proceeds for that sale were $401,385.54.

Who is the broker or intermediary listed on the PTCT Form 144?

The filing shows Fidelity Brokerage Services LLC at 900 Salem Street, Smithfield, RI, associated with the line item for 15,167 shares dated 03/10/2026.

Does the PTCT filing state the exchange for the security?

Yes; the security is listed as Common Stock with NASDAQ shown on the same line as the 15,167-share entry dated 03/10/2026.

What cash amount is associated with the 15,167-share entry in the PTCT filing?

The line for 15,167 shares includes an associated cash figure of $1,061,690.00 on the entry dated 03/10/2026, as presented in the notice.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/10/2026 - 02:12 PM EDT Learn about SEC filing dates

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	0001742616
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	PTC THERAPEUTICS, INC.
SEC File Number	001-35969
Address of Issuer	500 WARREN CORPORATE CENTER DRIVE WARREN NEW JERSEY 07059
Phone	9082227000
Name of Person for Whose Account the Securities are To Be Sold	Okey Stephanie
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	Director

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	15167	1061690.00	82774730	03/10/2026	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	03/10/2026	Option Granted - 12/14/2018	Issuer			15167	03/10/2026	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Stephanie Okey 500 Warren Corporate Center Drive Warren NJ 07059	Common	03/05/2026	6333	401385.54

144: Remarks and Signature

Remarks
Date of Notice	03/10/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	11/24/2025
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	/s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Stephanie Okey
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)