Proposed sale of 54,700 shares via option exercise

PTGX submitted a Form 144 reporting a proposed sale of 54,700 shares of Common Stock via an option exercise on 03/24/2026, with proceeds to be received in cash.

Rhea-AI Filing Summary

PTGX submitted a Form 144 reporting a proposed sale of 54,700 shares of Common Stock via an option exercise on 03/24/2026, with proceeds to be received in cash. The filing also lists prior open-market dispositions by Dinesh Patel of 19,315 shares on 01/23/2026, 24,890 shares on 01/26/2026, and 4,068 shares on 01/27/2026.

Insights

Securities Compliance Counsel

Form 144 notifies the SEC of a proposed resale tied to an option exercise.

The filing lists a proposed sale of 54,700 shares via an option exercise on 03/24/2026, with cash proceeds. This is a regulatory notice required when certain resale thresholds and holding-period conditions are met.

Previous dispositions by Dinesh Patel are documented on 01/23/2026, 01/26/2026, and 01/27/2026, providing recent transaction history. Further disclosures in subsequent SEC filings may show actual settlement details.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does PTGX's Form 144 report?

The Form 144 reports a proposed resale of 54,700 shares via an option exercise on 03/24/2026. It notifies regulators of an intended sale and the method of disposition.

Who sold shares recently for PTGX?

Dinesh Patel reported open-market dispositions of 19,315 shares on 01/23/2026, 24,890 shares on 01/26/2026, and 4,068 shares on 01/27/2026 as shown in the filing.

How will PTGX receive proceeds from the reported sale?

The filing specifies proceeds will be received in cash from the option exercise tied to the proposed sale of 54,700 shares on 03/24/2026.

Does Form 144 confirm the sale was completed?

Form 144 reports a proposed resale; it does not by itself confirm settlement. The filing lists the intended 03/24/2026 exercise and sale, while completion would appear in subsequent transaction confirmations or filings.

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

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 03/24/2026 - 05:56 PM EDT Learn about SEC filing dates

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	0001120477
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Protagonist Therapeutics, Inc.
SEC File Number	001-37852
Address of Issuer	7707 Gateway Boulevard, Suite 140 Newark CALIFORNIA 94560
Phone	5104740170
Name of Person for Whose Account the Securities are To Be Sold	Dinesh Patel
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	CEO

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	54700	5390138	63808716	03/24/2026	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	03/24/2026	Option Exercise	Issuer			54700	03/24/2026	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	01/23/2026	19315	1633784
Dinesh Patel C/o Issuer 7707 Gateway Boulevard, Suite 140 Newark CA 94560	Common	01/26/2026	24890	2091571
Dinesh Patel C/o Issuer 7707 Gateway Boulevard, Suite 140 Newark CA 94560	Common	01/27/2026	4068	338432

144: Remarks and Signature

Remarks
Date of Notice	03/24/2026
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	/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Dinesh Patel.
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)