[144] PTC THERAPEUTICS, INC. SEC Filing

Rhea-AI Filing Summary

PTCT submitted a Form 144 reporting a proposed sale of 3,056 common shares tied to restricted stock vesting on 02/17/2026. The filing also lists recent open-market sales by insiders, including Neil G. Almstead (examples shown: 35,572 shares on 11/24/2025 and 71,928 shares on 11/25/2025). The transactions are presented as issuer compensation and past sales over the prior three months.

Insights

Insider Transactions Analyst

Form 144 records a proposed sale of 3,056 vested restricted shares and multiple recent insider disposals.

The filing lists a proposed sale of 3,056 common shares associated with restricted stock vesting on 02/17/2026. It also enumerates several prior sales by Neil G. Almstead and Zheng Y. Almstead during the past three months with specific dates and share counts.

Timing and cash‑flow treatment are the filing's focus; transaction execution details depend on broker and market mechanics. Subsequent SEC reports or Forms 4 may show final sale amounts and net proceeds.

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	3056	211953.77	80288305	02/18/2026	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	02/17/2026	Restricted Stock Vesting	Issuer			3056	02/17/2026	Compensation

* 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	11/24/2025	35572	2852153.65
Neil G. Almstead 500 Warren Corporate Center Drive Warren NJ 07059	Common	11/25/2025	71928	6001524.59
Neil G. Almstead 500 Warren Corporate Center Drive Warren NJ 07059	Common	01/06/2026	1279	98415.98
Zheng Y. Almstead 500 Warren Corporate Center Drive Warren NJ 07059	Common	01/06/2026	54	4155.17
Neil G. Almstead 500 Warren Corporate Center Drive Warren NJ 07059	Common	01/07/2026	1026	79498.38
Zheng Y. Almstead 500 Warren Corporate Center Drive Warren NJ 07059	Common	01/07/2026	52	4029.16
Neil G. Almstead 500 Warren Corporate Center Drive Warren NJ 07059	Common	01/08/2026	881	67351.66
Zheng Y. Almstead 500 Warren Corporate Center Drive Warren NJ 07059	Common	01/08/2026	59	4510.50

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)