PTCT affiliate files to sell 8,130 shares

PTCT affiliate submitted a Form 144 providing notice of a proposed sale of 8,130 shares of Common Stock via a stock option exercise dated 06/26/2026.

Rhea-AI Filing Summary

PTCT affiliate submitted a Form 144 providing notice of a proposed sale of 8,130 shares of Common Stock via a stock option exercise dated 06/26/2026. The filing also lists multiple sales by Neil G. Almstead in the past three months, including 52,003, 23,749, 5,323, and 20,960 shares on the dates shown.

Insights

Securities Counsel

Form 144 notifies the market of a proposed affiliate sale tied to option exercise.

The filing lists a proposed sale of 8,130 shares by an affiliate on 06/26/2026, described as a Stock Option Exercise. It also records several prior sales by Neil G. Almstead with exact share counts and proceeds.

These notices are procedural; cash‑flow treatment and buyer counterparties are not stated. Subsequent Form 4/Form 5 or a public trade report would show completion and actual proceeds.

Key Figures

Proposed shares to sell: 8,130 shares Associated proceeds line: $693,146.05 Prior sale (example): 52,003 shares +1 more

4 metrics

Proposed shares to sell 8,130 shares Securities To Be Sold, <date>06/26/2026</date>

Associated proceeds line $693,146.05 Securities Information line paired with 8,130 shares

Prior sale (example) 52,003 shares Sale by Neil G. Almstead on <date>04/01/2026</date>

Prior sale proceeds (example) $3,590,359.84 Proceeds shown for 52,003 shares on <date>04/01/2026</date>

Key Terms

Form 144, Stock Option Exercise, Fidelity Brokerage Services LLC

3 terms

Form 144 regulatory

"Filing header and securities disclosure lines showing proposed sale"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Stock Option Exercise financial

"Securities To Be Sold line labeled 'Stock Option Exercise'"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

Fidelity Brokerage Services LLC market

"Securities Information lists broker name and address"

FAQ

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

What does PTCT's Form 144 disclose about the sale?

It discloses a proposed sale of 8,130 shares of Common Stock via a stock option exercise dated 06/26/2026. The filing lists the method as "Cash" for the exercise and identifies the broker as Fidelity Brokerage Services LLC.

Who reported recent sales in the filing for PTCT?

Neil G. Almstead is listed with four sales: 52,003 shares on 04/01/2026, 23,749 on 06/22/2026, 5,323 on 06/24/2026, and 20,960 on 06/25/2026, each with the dollar amounts shown in the excerpt.

What proceeds are shown for the 8,130 shares in the Form 144?

The excerpt pairs 8,130 shares with $693,146.05 in the Securities Information line. The filing text identifies that figure alongside the listed share amount and the 06/26/2026 trade date.

Does the Form 144 confirm the sale has completed?

No. The filing provides notice of a proposed sale dated 06/26/2026 and records past sales; it does not by itself confirm settlement. Completion would be shown by subsequent trade reports or a Form 4/Form 5 where applicable.

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

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 06/26/2026 - 03:29 PM 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	0001578850
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	Almstead Neil Gregory
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	Officer

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	8130	693146.05	82949338	06/26/2026	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	06/26/2026	Stock Option Exercise	Issuer			8130	06/26/2026	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
Neil G. Almstead 500 Warren Corporate Center Drive Warren NJ 07059	Common	04/01/2026	52003	3590359.84
Neil G. Almstead 500 Warren Corporate Center Drive Warren NJ 07059	Common	06/22/2026	23749	1921431.84
Neil G. Almstead 500 Warren Corporate Center Drive Warren NJ 07059	Common	06/24/2026	5323	452591.41
Neil G. Almstead 500 Warren Corporate Center Drive Warren NJ 07059	Common	06/25/2026	20960	1801869.07

144: Remarks and Signature

Remarks
Date of Notice	06/26/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	11/11/2025
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/ Gerardo Ibarra-Munoz, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Neil G. Almstead
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)