Insider at PTCT (NASDAQ: PTCT) files Form 144 stock sale notice

Rhea-AI Filing Summary

PTCT has a Form 144 notice covering the intended sale of 59 shares of common stock through Fidelity Brokerage Services LLC on NASDAQ, with an aggregate market value of $4,510.50 and an approximate sale date of January 8, 2026.

The 59 shares were acquired on January 7, 2026 via restricted stock vesting from the issuer as compensation. The filing also lists recent sales in the past three months by individuals named Neil G. Almstead and Zheng Y. Almstead, including 35,572 shares sold on November 24, 2025 for $2,852,153.65, 71,928 shares on November 25, 2025 for $6,001,524.59, and several smaller transactions on January 6–7, 2026 with proceeds ranging from $4,029.16 to $98,415.98.

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	59	4510.50	80288305	01/08/2026	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	01/07/2026	Restricted Stock Vesting	Issuer			59	01/07/2026	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	78498.38
Zheng Y. Almstead 500 Warren Corporate Drive Warren NJ 07059	Common	01/07/2026	52	4029.16

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

How many PTCT shares are covered by this Form 144 notice?

The Form 144 notice covers the proposed sale of 59 shares of PTCT common stock.

When and how were the 59 PTCT shares to be sold acquired?

The 59 common shares were acquired on January 7, 2026 through restricted stock vesting from the issuer as compensation.

What is the aggregate market value of the PTCT shares in this Form 144?

The aggregate market value of the 59 PTCT common shares covered by this notice is listed as $4,510.50.

Which broker and exchange are involved in the planned PTCT share sale?

The filing lists Fidelity Brokerage Services LLC as the broker and NASDAQ as the securities exchange for the planned sale.

What recent PTCT share sales are disclosed for the past three months?

The notice reports sales by Neil G. Almstead and Zheng Y. Almstead, including 35,572 shares sold on November 24, 2025 for $2,852,153.65 and 71,928 shares sold on November 25, 2025 for $6,001,524.59, plus several smaller sales on January 6–7, 2026.

What representation does the selling person make in this PTCT Form 144?

The selling person represents that they do not know any material adverse information about the issuer’s current or prospective operations that has not been publicly disclosed.