PTGX (PTGX) insider files to sell 225,000 shares under Rule 144

Rhea-AI Filing Summary

PTGX reports that an affiliate has filed to sell common stock under Rule 144. The planned sale covers 225,000 common shares, to be sold through J.P. Morgan Securities LLC on Nasdaq, with an aggregate market value of $33,583,500.

The filing lists 64,708,285 common shares outstanding. It also notes that 75,000 common shares were sold on 05/12/2026 for $7,508,850, and that the new shares are associated with an option exercise by the issuer, to be paid in cash.

Key Figures

Shares to be sold: 225,000 shares Aggregate market value of proposed sale: $33,583,500 Shares outstanding: 64,708,285 shares +2 more

5 metrics

Shares to be sold 225,000 shares Common stock proposed for sale under Rule 144

Aggregate market value of proposed sale $33,583,500 Value of 225,000 common shares to be sold

Shares outstanding 64,708,285 shares Common shares outstanding as listed in the filing

Recent shares sold 75,000 shares Common shares sold on 05/12/2026 during past 3 months

Value of recent sale $7,508,850 Total proceeds for 75,000 shares sold on 05/12/2026

Key Terms

Rule 144, Form 144, option exercise, aggregate market value

4 terms

Rule 144 regulatory

"an affiliate has filed to sell common stock under Rule 144"

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.

Form 144 regulatory

"What does the Form 144 for PTGX disclose?"

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.

option exercise financial

"the new shares are associated with an <b>option exercise</b> by the issuer"

aggregate market value financial

"with an aggregate market value of <b>$33,583,500</b>"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

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

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Available on EDGAR 08/10/2026 - 04:50 PM Accepted by SEC EDGAR 08/10/2026 - 04:49 PM Learn about SEC filing dates

FAQ

What does the Form 144 filing for PTGX disclose?

The Form 144 for PTGX discloses a proposed sale of 225,000 common shares through J.P. Morgan Securities LLC on Nasdaq, tied to an option exercise and documenting prior insider sales.

How many PTGX shares are proposed to be sold under this Form 144?

The filing plans for the sale of 225,000 common shares of PTGX. These shares are to be sold through J.P. Morgan Securities LLC on Nasdaq as part of a Rule 144 transaction.

What is the aggregate market value of the PTGX shares in the planned Rule 144 sale?

The aggregate market value of the 225,000 PTGX common shares covered by the planned sale is $33,583,500. This reflects the value reported for the securities proposed to be sold under Rule 144.

How many PTGX shares are shown as outstanding in the Form 144?

The Form 144 lists 64,708,285 common shares outstanding. This figure provides context for the relative size of the planned 225,000-share sale compared with the issuer’s total common shares.

What prior PTGX stock sales are reported in the past 3 months section?

The past 3 months section reports a sale of 75,000 PTGX common shares on 05/12/2026 for total proceeds of $7,508,850. This transaction is disclosed alongside the newly proposed sale.

Is the PTGX Form 144 sale related to an option exercise?

Yes. The Form 144 states the transaction type as Option Exercise by the issuer, with cash as the payment method, indicating the shares for resale arise from an exercised option position.

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	J.P. Morgan Securities LLC 270 Park Avenue 10th Floor New York NY 10017	225000	33583500	64708285	08/10/2026	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	08/10/2026	Option Exercise	Issuer			225000	08/10/2026	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
Dinesh Patel C/o Issuer 7707 Gateway Boulevard, Suite 140 Newark CA 94560	Common	05/12/2026	75000	7508850

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)