PTCT (NASDAQ: PTCT) holder Matthew Klein files Form 144 sale notice

Rhea-AI Filing Summary

A PTCT shareholder, Matthew Klein, filed a Form 144 notice to sell PTCT common stock under Rule 144. The notice covers 2,514 common shares to be sold through Fidelity Brokerage Services LLC on or about 01/08/2026 on the NASDAQ market. These shares were acquired on 01/07/2026 via restricted stock vesting from the issuer as compensation.

The filing also lists prior PTCT common stock sales by Matthew Klein during the past three months, including 3,428 shares sold on 12/02/2025 for gross proceeds of $271,062.93 and 8,089 shares sold on 12/30/2025 for $619,921.55, along with additional sales on 01/06/2026 and 01/07/2026.

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

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	2514	192193.04	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			2514	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
Matthew Klein 500 Warren Corporate Center Drive Warren NJ 07059	Common	12/02/2025	3428	271062.93
Matthew Klein 500 Warren Corporate Center Drive Warren NJ 07059	Common	12/30/2025	8089	619921.55
Matthew Klein 500 Warren Corporate Center Drive Warren NJ 07059	Common	01/06/2026	5149	396203.19
Matthew Klein 500 Warren Corporate Center Drive Warren NJ 07059	Common	01/07/2026	3016	233691.14

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 filing by Matthew Klein disclose?

The Form 144 filing discloses that Matthew Klein plans to sell 2,514 shares of PTCT common stock through Fidelity Brokerage Services LLC on or about 01/08/2026 on the NASDAQ exchange.

How did Matthew Klein acquire the 2,514 PTCT shares to be sold?

The 2,514 PTCT common shares were acquired on 01/07/2026 through a restricted stock vesting transaction from the issuer, described as compensation in the filing.

Which broker is handling the planned PTCT share sale for Matthew Klein?

The planned sale of 2,514 PTCT common shares is listed as being executed through Fidelity Brokerage Services LLC, located at 900 Salem Street, Smithfield, RI 02917.

What recent PTCT stock sales by Matthew Klein are reported in the Form 144?

The filing reports several PTCT common stock sales by Matthew Klein in the past three months, including 3,428 shares sold on 12/02/2025 for $271,062.93, 8,089 shares sold on 12/30/2025 for $619,921.55, 5,149 shares sold on 01/06/2026 for $396,203.19, and 3,016 shares sold on 01/07/2026 for $233,691.14.

What is the purpose of the PTCT Form 144 notice mentioned here?

The Form 144 notice provides details of a proposed sale of PTCT common stock by Matthew Klein under Rule 144, including the number of shares to be sold, how they were acquired, the broker handling the transaction, and recent related sales.

On which exchange are Matthew Klein’s PTCT shares expected to be sold?

The Form 144 states that the 2,514 PTCT common shares are expected to be sold on the NASDAQ securities exchange.