[144] Scholar Rock Holding Corp SEC Filing

Rhea-AI Filing Summary

Form 144 filed for Scholar Rock Holding Corp (SRRK) reporting a proposed sale of 1,006 shares of common stock through J.P. Morgan Securities LLC on 09/16/2025. The filing shows an aggregate market value of $32,726 for the shares, with 96,127,265 shares outstanding. The securities to be sold were acquired as restricted stock units: 261 shares on 08/15/2025 and 745 shares on 09/15/2025, with payment indicated as NA. No sales by the reporting person in the prior three months are reported. The filing includes the required representation that the seller does not possess undisclosed material adverse information.

Positive

• Compliance with Rule 144: A formal Form 144 notice was filed indicating procedural compliance for the proposed sale.
• Brokered sale via established firm: Sale will be handled by J.P. Morgan Securities LLC, a recognized broker-dealer.

Negative

• Immediate post-vesting sale: The filing shows RSUs acquired on 08/15/2025 and 09/15/2025 with a planned sale on 09/16/2025, indicating near-immediate monetization of recently vested awards.

Insights

Securities Analyst

TL;DR Insider notified sale of 1,006 shares via a broker; size is immaterial relative to outstanding shares.

The Form 144 discloses a proposed brokered sale of 1,006 common shares with an aggregate market value of $32,726 against 96,127,265 shares outstanding, which represents a de minimis fraction of the companys float. The shares were acquired as RSUs on 08/15/2025 (261) and 09/15/2025 (745), and the planned sale is scheduled for 09/16/2025. From a market-impact perspective, the disclosed transaction size is unlikely to move the stock price materially. The filing does, however, provide transparency about insider liquidity and compliance with Rule 144 procedures.

Corporate Governance Expert

TL;DR Filing demonstrates procedural compliance but shows near-term monetization of recently vested RSUs.

The notice documents that recently vested restricted stock units are being routed to market through J.P. Morgan Securities LLC. The proximity between RSU acquisition dates (08/15/2025 and 09/15/2025) and the approximate sale date (09/16/2025) is explicit in the filing and indicates immediate post-vesting disposition. The form includes the standard certification about absence of undisclosed material adverse information, aligning with Rule 144 disclosure expectations. There is no information here about the identity of the seller beyond the required transaction details.

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	J.P. Morgan Securities LLC 390 Madison Avenue 6th Floor New York NY 10017	1006	32726	96127265	09/16/2025	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	08/15/2025	RSU	Issuer			261	08/15/2025	NA
Common	09/15/2025	RSU	Issuer			745	09/15/2025	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

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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 the SRRK Form 144 disclose about the proposed sale?

The filing discloses a proposed sale of 1,006 common shares through J.P. Morgan Securities LLC with an aggregate market value of $32,726 and an approximate sale date of 09/16/2025.

How many shares of SRRK were acquired as RSUs and when?

The filing shows 261 shares acquired as RSUs on 08/15/2025 and 745 shares acquired as RSUs on 09/15/2025.

Does the Form 144 report any sales by the person in the past three months?

No. The section for securities sold during the past three months states "Nothing to Report".

What statement does the seller make about material information?

The person for whose account the securities are to be sold represents by signing that they do not know of any material adverse information about the issuer that has not been publicly disclosed.

What is the number of SRRK shares outstanding reported in the filing?

The filing lists 96,127,265 shares outstanding.