FORM 3
        
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

1. Name and Address of Reporting Person *

Mahanthappa Nagesh K.
2. Date of Event Requiring Statement (MM/DD/YYYY)
7/30/2021 

3. Issuer Name and Ticker or Trading Symbol

Scholar Rock Holding Corp [SRRK]
(Last)        (First)        (Middle)

301 BINNEY STREET
4. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__X__ Director                          _____ 10% Owner
___X___ Officer (give title below)        _____ Other (specify below)
Interim CEO and President /
(Street)

CAMBRIDGE, MA 02142      

(City)              (State)              (Zip)
5. If Amendment, Date Original Filed(MM/DD/YYYY)
 

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 Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 380491 I Mahanthappa - Talland Revocable Trust (5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(MM/DD/YYYY)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (Right to Buy)  (1)2/20/2028 Common Stock 52543 $5.77 D  
Stock Option (Right to Buy)  (2)5/23/2028 Common Stock 46030 $14.00 D  
Stock Option (Right to Buy)  (3)1/31/2029 Common Stock 57242 $15.11 D  
Stock Options (Right to Buy)  (4)2/6/2030 Common Stock 123000 $13.52 D  

Explanation of Responses:
(1) This option vests in 16 equal quarterly installments commencing with the first quarter following February 13, 2018.
(2) This option vests in 16 equal quarterly installments with the first quarterly amount vesting on August 29, 2018.
(3) This option vests quarterly over four (4) years, with the first quarterly amount vesting on March 31, 2019.
(4) This option vests quarterly over four (4) years, with the first vesting event on April 1, 2020.
(5) These shares are owned directly by Mahanthappa - Talland Revocable Trust, for which the reporting person's spouse, Valentine Talland, and reporting person are trustees. The reporting person disclaims Section 16 beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
Mahanthappa Nagesh K.
301 BINNEY STREET
CAMBRIDGE, MA 02142
X
Interim CEO and President

Signatures
/s/ Junlin Ho, Attorney-in-Fact for Nagesh K. Manhathappa8/9/2021
**Signature of Reporting PersonDate

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