Scholar Rock CHRO granted 29,258 RSUs

Parlavecchio Caryn reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Parlavecchio Caryn reported acquisition or exercise transactions in this Form 4 filing.

Scholar Rock Holding Corp’s Chief Human Resources Officer, Caryn Parlavecchio, received a grant of 29,258 restricted stock units (RSUs) of common stock on February 9, 2026 at a price of $0.00 per share.

The RSUs vest in four equal annual installments, with the first installment vesting on January 15, 2027 and the remaining installments vesting annually thereafter, contingent on continued service. Following this award, Parlavecchio directly holds 178,122 common-stock-related interests, consisting of 78,283 shares of common stock and 99,839 RSUs.

Insider Trade Summary

Grant/Award: 29,258 shares

Grant/Award 1 txn

Insider Parlavecchio Caryn

Role Chief Human Resources Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	29,258	$0.00	$0.00

Holdings After Transaction: Common Stock — 178,122 shares (Direct)

Footnotes (2)

1. F1. 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. F2. Consists of 78,283 shares of common stock and 99,839 RSUs.

FAQ

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

What insider transaction did SRRK report for Caryn Parlavecchio?

Scholar Rock reported that Chief Human Resources Officer Caryn Parlavecchio received a grant of 29,258 restricted stock units. These RSUs represent rights to receive common shares upon vesting and were awarded at a price of $0.00 per unit as part of equity compensation.

How do the 29,258 RSUs granted to SRRK’s CHRO vest over time?

The 29,258 RSUs vest in four equal annual installments. The first installment vests on January 15, 2027, with additional installments vesting on each anniversary, provided Caryn Parlavecchio maintains a service relationship with Scholar Rock on each vesting date.

What is the total equity holding of SRRK’s CHRO after this Form 4 transaction?

After the reported grant, Caryn Parlavecchio beneficially owns 178,122 equity interests in Scholar Rock. This total consists of 78,283 shares of common stock and 99,839 restricted stock units, all held directly according to the filing details.

Was cash paid for the 29,258 RSUs reported in SRRK’s Form 4?

No cash was paid for these restricted stock units; the transaction price per share is reported as $0.00. This indicates the RSUs were granted as equity compensation, not purchased in an open-market or cash transaction by the executive.

What role does the reporting person hold at Scholar Rock (SRRK)?

The reporting person, Caryn Parlavecchio, serves as Scholar Rock’s Chief Human Resources Officer. She is not listed as a director or 10% owner, and the reported award reflects equity compensation tied to her executive officer position at the company.

What type of security was involved in the SRRK Form 4 filing?

The filing involves Scholar Rock common stock through restricted stock units. Each RSU represents a contingent right to receive one share of common stock upon vesting, aligning the executive’s compensation with future share performance and continued service.

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

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Accepted by SEC EDGAR 02/11/2026 - 06:10 PM Learn about SEC filing dates

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
Estimated average burden
hours per response:			0.5

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^*

Parlavecchio Caryn

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Human Resources 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		29,258(1)	A	$0.00	178,122(2)	D

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 78,283 shares of common stock and 99,839 RSUs.

	/s/ Junlin Ho, Attorney-in-Fact for Caryn Parlavecchio	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.
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 Number.