Arturo Molina plans $1,097,115.60 PTGX (NASDAQ: PTGX) share sale

Rhea-AI Filing Summary

Arturo Molina has filed a notice of proposed sale under Rule 144 to sell 13,151 shares of common stock through Morgan Stanley Smith Barney LLC on NASDAQ, with an aggregate market value of $1,097,115.60 and an approximate sale date of 01/23/2026. The table shows 62,515,666 common shares outstanding as a baseline figure.

The shares to be sold were acquired as restricted stock from the issuer in several grants on 11/15/2025 and 01/15/2026. Over the past three months, Molina has already sold 2,712 common shares on 11/18/2025 for gross proceeds of $229,896.24 and 9,514 common shares on 01/20/2026 for gross proceeds of $784,702.35. By signing, the seller represents not knowing any undisclosed material adverse information about the issuer's operations.

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	13151	1097115.60	62515666	01/23/2026	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	01/15/2026	Restricted Stock	Issuer			4800	01/15/2026	Not Applicable
Common	11/15/2025	Restricted Stock	Issuer			2601	11/15/2025	Not Applicable
Common	01/15/2026	Restricted Stock	Issuer			5100	01/15/2026	Not Applicable
Common	01/15/2026	Restricted Stock	Issuer			650	01/15/2026	Not Applicable

* 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
ARTURO MOLINA 7707 Gateway Boulevard, Suite 140 Newark CA 94560-1160	Common	11/18/2025	2712	229896.24
ARTURO MOLINA 7707 Gateway Boulevard, Suite 140 Newark CA 94560-1160	Common	01/20/2026	9514	784702.35

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 PTGX shares is Arturo Molina planning to sell under this Form 144?

Arturo Molina has filed to sell 13,151 shares of common stock. The filing lists these shares with an aggregate market value of $1,097,115.60 and an approximate sale date of 01/23/2026 on NASDAQ.

What is the aggregate market value of the PTGX shares to be sold?

The notice states that the 13,151 common shares to be sold have an aggregate market value of $1,097,115.60, based on the market price at the time of the Form 144 filing.

What PTGX trading venue is used for this planned Rule 144 sale?

The shares are expected to be sold on the NASDAQ. The broker named for the transaction is Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, 8th Floor, New York, NY 10004.

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

The securities information table lists 62,515,666 common shares as the number of shares outstanding. This figure provides a baseline context for the size of the planned sale.

What PTGX shares has Arturo Molina sold in the last three months?

Over the past three months, Arturo Molina sold 2,712 common shares on 11/18/2025 for gross proceeds of $229,896.24 and 9,514 common shares on 01/20/2026 for gross proceeds of $784,702.35.

How were the PTGX shares to be sold acquired by Arturo Molina?

The Form 144 shows the shares were acquired as restricted stock from the issuer. Acquisitions include grants on 11/15/2025 of 2,601 shares and on 01/15/2026 totaling several blocks such as 4,800, 5,100, and 650 shares, with payment listed as "Not Applicable".

What representation does the seller make in this PTGX Form 144 filing?

By signing the notice, the person for whose account the securities are to be sold represents that they do not know any material adverse information about the issuer's current or prospective operations that has not been publicly disclosed.