Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 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 that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 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 Estimated average burden hours per response... 0.5

(Print or Type Responses)

1. Name and Address of Reporting Person * Qatanani Mo 2. Issuer Name and Ticker or Trading Symbol Scholar Rock Holding Corp [SRRK] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) CHIEF SCIENTIFIC OFFICER (Last) (First) (Middle) 301 BINNEY STREET 3. Date of Earliest Transaction (Month/Day/Year) 01/14/2026 (Street) CAMBRIDGE, MA 02142 4. If Amendment, Date 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 (City) (State) (Zip) 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 01/14/2026 M 1,407(1) A $18.08 110,371(2) D Common Stock 01/14/2026 M 321(1) A $7.62 110,692(3) D Common Stock 01/14/2026 M 2,813(1) A $10 113,505(4) D Common Stock 01/14/2026 M 5,893(1) A $15.75 119,398(5) D Common Stock 01/14/2026 M 2,678(1) A $35.15 122,076(6) D Common Stock 01/14/2026 S 13,112(1) D $45.1961(7) 108,964(8) D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.		SEC 1474 (9-02)

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 Underlying Securities (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 of Derivative Security: 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

Stock Option (Right to Buy)

$18.08

01/14/2026

M(1)

1,407

(9)

02/14/2032

Common Stock

1,407

$ 0

0

D

Stock Option (Right to Buy)

$7.62

01/14/2026

M(1)

321

(10)

10/10/2032

Common Stock

321

$ 0

961

D

Stock Option (Right to Buy)

$10

01/14/2026

M(1)

2,813

(11)

02/13/2033

Common Stock

2,813

$ 0

11,250

D

Stock Option (Right to Buy)

$15.75

01/14/2026

M(1)

5,893

(12)

02/12/2034

Common Stock

5,893

$ 0

47,143

D

Stock Option (Right to Buy)

$35.15

01/14/2026

M(1)

2,678

(13)

03/10/2035

Common Stock

2,678

$ 0

32,142

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Qatanani Mo 301 BINNEY STREET CAMBRIDGE, MA 02142			CHIEF SCIENTIFIC OFFICER

Signatures

/s/ Junlin Ho, Attorney-in-Fact for Mo Qatanani		01/16/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025.
(2)	Consists of 1,407 shares of common stock and 108,964 RSUs.
(3)	Consists of 1,728 shares of common stock and 108,964 RSUs.
(4)	Consists of 4,541 shares of common stock and 108,964 RSUs.
(5)	Consists of 10,434 shares of common stock and 108,964 RSUs.
(6)	Consists of 13,112 shares of common stock and 108,964 RSUs.
(7)	The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $45.00 to $45.45, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.
(8)	Consists of 108,964 RSUs.
(9)	No shares remain unvested under this stock option.
(10)	961 shares remain unvested under this stock option. The first vesting event occurred on January 5, 2023 and the remainder vests in fifteen quarterly installments thereafter; provided the reporting person continues to have a service relationship with the Issuer on such vesting date.
(11)	11,250 shares remain unvested under this stock option. The first vesting event occurred on April 1, 2023 and the remainder vests in fifteen quarterly installments thereafter; provided the reporting person continues to have a service relationship with the Issuer on such vesting date.
(12)	47,143 shares remain unvested under this stock option. The first vesting event occurred on April 1, 2024 and the remainder vests in fifteen quarterly installments thereafter; provided the reporting person continues to have a service relationship with the Issuer on such vesting date.
(13)	32,142 shares remain unvested under this stock option. The first vesting event occurred on April 1, 2025 and the remainder vests in fifteen quarterly installments thereafter; provided the reporting person continues to have a service relationship with the Issuer on such vesting date.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.