PTGX insider files notice to sell 75,000 shares

PTGX insider sale notice: A Form 144 filing states 75,000 shares of Common Stock are to be sold on 05/12/2026 in connection with an Option Exercise for cash.

Rhea-AI Filing Summary

PTGX insider sale notice: A Form 144 filing states 75,000 shares of Common Stock are to be sold on 05/12/2026 in connection with an Option Exercise for cash. The filing also reports prior sales of 54,641 shares on 03/25/2026 by Dinesh Patel.

Insights

Securities Compliance Counsel

Form 144 filed for sale of 75,000 shares via option exercise on 05/12/2026.

The filing lists an Option Exercise as the transaction type and specifies 05/12/2026 as the sale date with cash proceeds. Form 144 is a notice under resale rules, notifying the market of an intended sale by an affiliate.

Previous sales of 54,641 shares on 03/25/2026 are disclosed. The filing does not state transaction counterparties, net proceeds, or any lockup/holding-period detail; subsequent filings may report the actual disposition.

Key Figures

Noticed shares to be sold: 75,000 shares Prior shares sold: 54,641 shares Sale method: Cash

3 metrics

Noticed shares to be sold 75,000 shares Option Exercise scheduled <date>05/12/2026</date>

Prior shares sold 54,641 shares Sold by Dinesh Patel on <date>03/25/2026</date>

Sale method Cash Proceeds from Option Exercise on <date>05/12/2026</date>

Key Terms

Form 144, Option Exercise, Securities Sold During The Past 3 Months

3 terms

Form 144 regulatory

"144: Securities To Be Sold"

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

"Common | 05/12/2026 | Option Exercise"

Securities Sold During The Past 3 Months regulatory

"144: Securities Sold During The Past 3 Months"

FAQ

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

What does PTGX's Form 144 disclose?

Answer: It discloses an intended sale of 75,000 shares of Common Stock by an affiliate on 05/12/2026. The filing states the sale arises from an Option Exercise and will be for cash.

Who reported prior sales for PTGX in the filing?

Answer: The filing shows prior sales by Dinesh Patel of 54,641 shares on 03/25/2026. That prior transaction is listed in the "Securities Sold During The Past 3 Months" section.

Does the Form 144 state proceeds or counterparties for PTGX?

Answer: The filing identifies the sale method as cash from an Option Exercise on 05/12/2026. It does not disclose counterparties or the net dollar proceeds in the provided excerpt.

What does "Option Exercise" mean in this PTGX filing?

Answer: It indicates the shares to be sold were acquired upon exercising stock options. The filing ties the 75,000-share sale to an Option Exercise scheduled for 05/12/2026.

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

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Accepted by SEC EDGAR 05/12/2026 - 05:29 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	75000	7762500	64311373	05/12/2026	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	05/12/2026	Option Exercise	Issuer			75000	05/12/2026	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	03/25/2026	54641	5518741

144: Remarks and Signature

Remarks
Date of Notice	05/12/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	01/30/2026
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)