SRRK Form 144: Insider proposes sale of 8,484 shares

Mohammed Qatanani filed a Form 144 reporting a proposed sale of 8,484 shares of Common stock related to a Restricted Stock Award dated 02/15/2026.

Rhea-AI Filing Summary

Mohammed Qatanani filed a Form 144 reporting a proposed sale of 8,484 shares of Common stock related to a Restricted Stock Award dated 02/15/2026. The filing also lists prior sales of Common stock on 12/04/2025 (136,462), 01/14/2026 (13,112), and 01/22/2026 (14,898). The broker noted is J.P. Morgan Securities LLC.

Insights

Compliance & Insider Transactions Specialist

Routine Form 144 filing documenting a proposed resale and recent insider sales.

The filing shows a proposed sale of 8,484 shares tied to a Restricted Stock Award dated 02/15/2026, and reports prior sales on 12/04/2025 (136,462), 01/14/2026 (13,112), and 01/22/2026 (14,898).

These entries are procedural disclosures of intended or completed resale activity through J.P. Morgan Securities LLC. Timing and cash‑flow treatment for the proposed sale are not detailed in the excerpt; subsequent filings or trade confirmations would show execution details.

FAQ

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

What does the SRRK Form 144 filed by Mohammed Qatanani report?

The filing reports a proposed sale of 8,484 shares of Common stock from a Restricted Stock Award dated 02/15/2026, and prior sales on three earlier dates shown in the filing.

Which broker is listed on the SRRK Form 144 filing?

The filing lists J.P. Morgan Securities LLC at 270 Park Avenue, New York, as the broker associated with the transactions reported in the document.

What prior sales by the reporting person are included in the filing?

The filing lists prior Common stock sales of 136,462 shares on 12/04/2025, 13,112 shares on 01/14/2026, and 14,898 shares on 01/22/2026.

Is the proposed sale in the filing an exercise or an issuer grant?

The proposed sale is tied to a Restricted Stock Award dated 02/15/2026, indicating the shares derive from an issuer grant rather than an open‑market purchase.

Does the Form 144 show who will receive proceeds from the proposed sale?

The excerpt does not specify proceeds recipients; it lists the reporting person and the broker but does not state whether proceeds go to the issuer or the selling holder.

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

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Accepted by SEC EDGAR 02/23/2026 - 04:05 PM 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	0001980298
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	Scholar Rock Holding Corp.
SEC File Number	001-38501
Address of Issuer	301 Binney Street, 3rd Floor Cambridge MASSACHUSETTS 02142
Phone	857-259-3860
Name of Person for Whose Account the Securities are To Be Sold	Mohammed Qatanani
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	Officer

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	8484	409947	102007457	02/23/2026	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	02/15/2026	Restricted Stock Award	Issuer			8484	02/15/2026	NA

* 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
Mohammed Qatanani 301 Binney Street, 3rd Floor Cambridge MA 02142	Common	12/04/2025	136462	6169788
Mohammed Qatanani 301 Binney Street, 3rd Floor Cambridge MA 02142	Common	01/14/2026	13112	592611
Mohammed Qatanani 301 Binney Street, 3rd Floor Cambridge MA 02142	Common	01/22/2026	14898	695938

144: Remarks and Signature

Remarks
Date of Notice	02/23/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	03/31/2025
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 Mohammed Qatanani.
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)