Asif Ali sells 54,791 PTGX shares; planned 24,765‑share option sale (PTGX)

Rhea-AI Filing Summary

PTGX Form 144 shows recent proposed and completed sales of Common Stock. The excerpt lists a planned stock option exercise to sell 24,765 shares for cash on 03/26/2026. It also records two completed sales by Asif Ali: 46,203 shares on 01/27/2026 for $3,841,128.28 and 8,588 shares on 01/20/2026 for $708,327.08. Shares outstanding are listed as 63,808,716 as of 03/26/2026.

Insights

Equity Capital Markets Analyst

Form 144 documents recent insider dispositions and a planned option exercise for cash.

The filing lists a proposed stock option exercise to sell 24,765 shares on 03/26/2026, and two sales by Asif Ali totaling 54,791 shares earlier in January 2026. The sales are recorded with gross proceeds of $3,841,128.28 and $708,327.08.

These entries are routine transfer/sale disclosures; cash‑flow treatment and whether sales were pursuant to trading plans are not stated in the excerpt. Subsequent filings would show final settlement details or additional disclosures.

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	24765	2581545.70	63808716	03/26/2026	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	03/26/2026	Stock Option Exercise	Issuer			24765	03/26/2026	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
ASIF ALI 7707 Gateway Boulevard, Suite 140 Newark CA 94560-1160	Common	01/27/2026	46203	3841128.28
ASIF ALI 7707 Gateway Boulevard, Suite 140 Newark CA 94560-1160	Common	01/20/2026	8588	708327.08

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 PTGX's Form 144 show about insider sales?

The Form 144 records two completed sales by Asif Ali: 46,203 shares on 01/27/2026 for $3,841,128.28 and 8,588 shares on 01/20/2026 for $708,327.08. It also lists a planned option exercise sale of 24,765 shares on 03/26/2026.

Who is the reported seller in the PTGX excerpt?

The excerpt names Asif Ali as the reporting seller for the two January 2026 transactions. The planned March 2026 stock option exercise is identified as an issuer-related sale; no other seller names are shown in the excerpt.

How many shares are listed as outstanding for PTGX in this filing?

The excerpt lists 63,808,716 shares outstanding as of 03/26/2026. That figure appears in the securities information block and is presented as a baseline context number in the excerpt.

Does the Form 144 excerpt state proceeds recipient or trading plan details?

The excerpt shows cash proceeds for the January sales but does not state who received net proceeds or whether sales were under a pre-arranged trading plan; the filing lists sale settlement as Cash and provides dollar amounts for each trade.

What is the size of the planned stock option exercise shown for PTGX?

The filing lists a planned Stock Option Exercise to sell 24,765 Common shares on 03/26/2026, with the sale method shown as Cash in the securities-to-be-sold section of the excerpt.