Scholar Rock (SRRK) CEO David Hallal awarded 128,004 RSUs in equity grant

Rhea-AI Filing Summary

Hallal David reported acquisition or exercise transactions in this Form 4 filing.

Scholar Rock Holding Corp reported that Chief Executive Officer and director David Hallal received a grant of 128,004 restricted stock units (RSUs) of common stock on February 9, 2026 at a price of $0.00 per share. These RSUs vest in four annual installments, starting on January 15, 2027, subject to his continued service.

Following this award, Hallal beneficially owns 1,669,649 shares of common stock directly, consisting of shares and both time-based and performance-based RSUs. In addition, 205,000 shares are held indirectly by the Hallal Family Irrevocable Trust, where his spouse is a trustee and he disclaims beneficial ownership beyond his pecuniary interest.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Hallal David

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	128,004	$0.00	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 1,669,649 shares (Direct); Common Stock — 205,000 shares (Indirect, By trust)

Footnotes (1)

1. Represents restricted stock units ("RSUs") subject to time-based vesting conditions. Each RSU represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU vest in four annual installments over four years, with the first annual installment to vest on January 15, 2027 and each additional installment to vest annually thereafter; provided the reporting person continues to have a service relationship with the Issuer on each such vesting date. Consists of 166,645 shares of common stock, 378,004 RSUs subject to time-based vesting conditions and 1,125,000 RSUs subject to performance- and time-based vesting conditions. Shares owned by the Hallal Family Irrevocable Trust - 2012 dated November 19, 2012 (the "Hallal Trust") for no consideration. The reporting person's spouse serves as a trustee of the Hallal Trust. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Hallal David

(Last) (First) (Middle)

301 BINNEY STREET

(Street)

CAMBRIDGE MA 02142

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Scholar Rock Holding Corp [ SRRK ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/09/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/09/2026		A		128,004(1)	A	$0.00	1,669,649(2)	D
Common Stock								205,000	I	By trust(3)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents restricted stock units ("RSUs") subject to time-based vesting conditions. Each RSU represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU vest in four annual installments over four years, with the first annual installment to vest on January 15, 2027 and each additional installment to vest annually thereafter; provided the reporting person continues to have a service relationship with the Issuer on each such vesting date.

2. Consists of 166,645 shares of common stock, 378,004 RSUs subject to time-based vesting conditions and 1,125,000 RSUs subject to performance- and time-based vesting conditions.

3. Shares owned by the Hallal Family Irrevocable Trust - 2012 dated November 19, 2012 (the "Hallal Trust") for no consideration. The reporting person's spouse serves as a trustee of the Hallal Trust. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

	/s/ Junlin Ho, Attorney-in-Fact for David Hallal	02/11/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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FAQ

What insider transaction did SRRK CEO David Hallal report?

David Hallal reported receiving a grant of 128,004 restricted stock units of Scholar Rock common stock at $0.00 per share. The award is a stock-based compensation grant, not an open-market purchase, and is subject to multi-year vesting tied to his continued service.

How do the new RSUs granted to SRRK’s CEO vest over time?

The 128,004 RSUs granted to Scholar Rock CEO David Hallal vest in four equal annual installments. The first installment vests on January 15, 2027, with additional installments vesting annually thereafter, provided he maintains a service relationship with Scholar Rock on each vesting date.

How many Scholar Rock (SRRK) shares does David Hallal beneficially own after this Form 4?

After the reported grant, David Hallal beneficially owns 1,669,649 shares of Scholar Rock common stock directly. This total includes common shares plus both time-based and performance- and time-based RSUs, as described in the footnotes to the Form 4 filing.

What is the nature of the Hallal Family Irrevocable Trust’s SRRK holdings?

The Hallal Family Irrevocable Trust holds 205,000 Scholar Rock common shares for no consideration. Hallal’s spouse is a trustee, and Hallal disclaims beneficial ownership of these shares except for any pecuniary interest, meaning they are reported as indirectly held through the trust.

Is the SRRK CEO’s Form 4 transaction a stock purchase or a compensation grant?

The transaction is a compensation-related grant, not an open-market stock purchase. The Form 4 uses code “A” for a grant, award, or other acquisition, reporting 128,004 RSUs at $0.00 per share as part of Hallal’s equity-based compensation package.

What types of equity awards make up David Hallal’s SRRK beneficial ownership?

David Hallal’s reported beneficial ownership includes 166,645 shares of common stock, 378,004 RSUs with time-based vesting, and 1,125,000 RSUs with performance- and time-based vesting. Together, these positions comprise the 1,669,649 directly beneficially owned common shares disclosed in the Form 4.