Insiders sell shares at PTCT (NASDAQ: PTCT) under Rule 144, multiple trades

Rhea-AI Filing Summary

PTCT insiders reported multiple restricted-stock vesting events and subsequent Rule 144 sales. The excerpt lists scheduled restricted-stock vesting entries across 2016–2025 and shows recent open-market sales by Neil G. Almstead and Zheng Y. Almstead on specific dates in 2026 with per-trade share counts and proceeds.

Key Figures

Neil sale 01/06/2026: 1,279 shares Neil sale 02/18/2026: 3,056 shares Zheng sale 03/05/2026: 3,989 shares +2 more

5 metrics

Neil sale 01/06/2026 1,279 shares Proceeds $98,415.98 on 01/06/2026

Neil sale 02/18/2026 3,056 shares Proceeds $211,953.77 on 02/18/2026

Zheng sale 03/05/2026 3,989 shares Proceeds $252,822.82 on 03/05/2026

Broker Fidelity Brokerage Services LLC Listed broker address: 900 Salem Street, Smithfield RI

Vesting entries span 2016–2025 Multiple "Restricted Stock Vesting" lines in the schedule

Key Terms

Restricted Stock Vesting, Rule 144, Fidelity Brokerage Services LLC

3 terms

Restricted Stock Vesting financial

"Series of lines labeled "Restricted Stock Vesting" with dates and share counts"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Rule 144 regulatory

"Section shows "Securities Sold During The Past 3 Months" and per-trade proceeds under Rule 144 reporting"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Fidelity Brokerage Services LLC market

"Broker/dealer listed as "Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917""

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	52003	3590359.84	82774730	04/01/2026	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	09/27/2016	Restricted Stock Vesting	Issuer			10000	09/27/2016	Compensation
Common	06/30/2017	Restricted Stock Vesting	Issuer			1112	06/30/2017	Compensation
Common	12/29/2017	Restricted Stock Vesting	Issuer			663	12/29/2017	Compensation
Common	01/03/2018	Restricted Stock Vesting	Issuer			879	01/03/2018	Compensation
Common	06/29/2018	Restricted Stock Vesting	Issuer			715	06/29/2018	Compensation
Common	01/03/2019	Restricted Stock Vesting	Issuer			1027	01/03/2019	Compensation
Common	01/03/2020	Restricted Stock Vesting	Issuer			993	01/03/2020	Compensation
Common	01/03/2021	Restricted Stock Vesting	Issuer			998	01/03/2021	Compensation
Common	01/29/2021	Restricted Stock Vesting	Issuer			1577	01/29/2021	Compensation
Common	01/06/2022	Restricted Stock Vesting	Issuer			1794	01/06/2022	Compensation
Common	01/29/2022	Restricted Stock Vesting	Issuer			1945	01/29/2022	Compensation
Common	12/30/2022	Restricted Stock Vesting	Issuer			298	12/30/2022	Compensation
Common	01/06/2023	Restricted Stock Vesting	Issuer			1834	01/06/2023	Compensation
Common	01/09/2023	Restricted Stock Vesting	Issuer			1327	01/09/2023	Compensation
Common	01/10/2023	Restricted Stock Vesting	Issuer			1417	01/10/2023	Compensation
Common	01/29/2023	Restricted Stock Vesting	Issuer			1920	01/29/2023	Compensation
Common	06/30/2023	Restricted Stock Vesting	Issuer			327	06/30/2023	Compensation
Common	12/29/2023	Restricted Stock Vesting	Issuer			301	12/29/2023	Compensation
Common	01/05/2024	Restricted Stock Vesting	Issuer			3014	01/05/2024	Compensation
Common	01/06/2024	Restricted Stock Vesting	Issuer			1869	01/06/2024	Compensation
Common	01/07/2024	Restricted Stock Vesting	Issuer			2760	01/07/2024	Compensation
Common	01/29/2024	Restricted Stock Vesting	Issuer			1932	01/29/2024	Compensation
Common	06/28/2024	Restricted Stock Vesting	Issuer			445	06/28/2024	Compensation
Common	12/31/2024	Restricted Stock Vesting	Issuer			401	12/31/2024	Compensation
Common	01/06/2025	Restricted Stock Vesting	Issuer			1901	01/06/2025	Compensation
Common	01/07/2025	Restricted Stock Vesting	Issuer			2697	01/07/2025	Compensation
Common	02/18/2025	Restricted Stock Vesting	Issuer			2575	02/18/2025	Compensation
Common	02/19/2025	Restricted Stock Vesting	Issuer			2297	02/19/2025	Compensation
Common	01/05/2025	Restricted Stock Vesting	Issuer			2985	01/05/2025	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	01/06/2026	1279	98415.98
Neil G. Almstead 500 Warren Corporate Center Drive Warren NJ 07059	Common	01/07/2026	1026	79498.38
Neil G. Almstead 500 Warren Corporate Center Drive Warren NJ 07059	Common	01/08/2026	881	67351.66
Neil G. Almstead 500 Warren Corporate Center Drive Warren NJ 07059	Common	02/18/2026	3056	211953.77
Zheng Y. Almstead 500 Warren Corporate Center Drive Warren NJ 07059	Common	01/06/2026	54	4155.17
Zheng Y. Almstead 500 Warren Corporate Center Drive Warren NJ 07059	Common	01/07/2026	52	4029.16
Zheng Y. Almstead 500 Warren Corporate Center Drive Warren NJ 07059	Common	01/08/2026	59	4510.50
Zheng Y. Almstead 500 Warren Corporate Center Drive Warren NJ 07059	Common	02/18/2026	65	4508.18
Zheng Y. Almstead 500 Warren Corporate Center Drive Warren NJ 07059	Common	03/05/2026	3989	252822.82

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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 Rule 144 sales did PTCT insiders file?

Neil G. Almstead and Zheng Y. Almstead reported sales under Rule 144. The filings list multiple transactions in 2026, including Neil selling 1,279 shares on 01/06/2026 for $98,415.98 and Zheng selling 3,989 shares on 03/05/2026 for $252,822.82.

How many shares did Neil G. Almstead sell in the recent period?

Neil G. Almstead sold several lots totaling visible trades in the excerpt. Example trades include 1,279 shares on 01/06/2026 for $98,415.98 and 3,056 shares on 02/18/2026 for $211,953.77.

What proceeds did Zheng Y. Almstead report from recent sales?

Zheng Y. Almstead reported proceeds across multiple dates in 2026. Notable items include 3989 shares sold on 03/05/2026 for $252,822.82 and smaller lots on January dates totaling several thousand dollars per trade.

Are the sold shares from compensation-related vesting?

The securities listed show many entries labeled "Restricted Stock Vesting" for compensation. The vesting schedule spans 2016 through 2025; the sales listed in 2026 correspond to dispositions following such issuances or transfers.

Which broker or transfer agent is named in the filing?

Fidelity Brokerage Services LLC is listed as the broker/dealer. The address shown is 900 Salem Street, Smithfield, RI 02917 and the securities are reported on NASDAQ in the excerpt.