Scholar Rock (SRRK) director receives RSU and stock option grants

Rhea-AI Filing Summary

Scholar Rock Holding Corp director Richard Brudnick received equity compensation awards rather than buying shares on the market. He was granted 6,839 restricted stock units, each representing one share of common stock that will vest on the earlier of June 15, 2027 or the company’s next Annual Meeting, subject to continued service. Following this grant, he holds 21,896 common-share interests, including these RSUs. He was also granted stock options for 4,310 shares of common stock at an exercise price of $45.33 per share, which will vest and become fully exercisable on the earlier of the first anniversary of the grant date or the next Annual Meeting, again contingent on continued service.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Brudnick Richard

Role null

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (Right to Buy)	4,310	$0.00	--
Grant/Award	Common Stock	6,839	$0.00	--

Holdings After Transaction: Stock Option (Right to Buy) — 4,310 shares (Direct, null); Common Stock — 21,896 shares (Direct, null)

Footnotes (1)

1. Each restricted stock unit ("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 on the earlier of June 15, 2027 or on the date of the Issuer's next Annual Meeting subject to continued service to the Issuer through such date. Consists of 15,057 shares of common stock and 6,839 RSUs. Options to vest and become fully exercisable on the earlier of the first anniversary following the date of grant or on the date of the Issuer's next Annual Meeting, subject to continued service to the Issuer through such date.

Key Figures

RSUs granted: 6,839 RSUs Options granted: 4,310 options Option exercise price: $45.33 per share +5 more

8 metrics

RSUs granted 6,839 RSUs Award to director Richard Brudnick on June 4, 2026

Options granted 4,310 options Stock options granted on June 4, 2026

Option exercise price $45.33 per share Strike price for 4,310 stock options

Holdings after grant 21,896 common-share interests Total common stock and RSUs following RSU grant

Common shares held 15,057 shares Portion of holdings that are common stock

RSUs included in holdings 6,839 RSUs RSUs counted within 21,896 total common-share interests

RSU vesting date Earlier of June 15, 2027 or next Annual Meeting Vesting condition for 6,839 RSUs

Option expiration June 4, 2036 Expiration date for 4,310 stock options

Key Terms

restricted stock unit ("RSU"), Stock Option (Right to Buy), exercise price, Annual Meeting

4 terms

restricted stock unit ("RSU") financial

"Each restricted stock unit ("RSU") represents the contingent right to receive..."

Stock Option (Right to Buy) financial

"Stock Option (Right to Buy) with an exercise price of 45.3300..."

exercise price financial

"conversion_or_exercise_price": "45.3300""

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

Annual Meeting financial

"on the date of the Issuer's next Annual Meeting subject to continued service..."

A company's annual meeting is a yearly gathering where owners (shareholders) and the board review performance, ask questions, and vote on key matters like electing directors, approving auditor choices, and sometimes setting pay or dividend policies. For investors it matters because decisions made and votes cast can change who runs the company, influence strategy and payouts, and affect the value or direction of their investment—similar to a homeowners’ meeting where rules and leaders that shape your property’s value are decided.

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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
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^*

Brudnick Richard

(Last) (First) (Middle)

301 BINNEY STREET

(Street)

CAMBRIDGE MASSACHUSETTS 02142

(City) (State) (Zip)

UNITED STATES

(Country)

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
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/04/2026

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

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

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

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	06/04/2026		A		6,839(1)	A	$0.00	21,896(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
Stock Option (Right to Buy)	$45.33	06/04/2026		A		4,310		(3)	06/04/2036	Common Stock	4,310	$0	4,310	D

Explanation of Responses:

1. Each restricted stock unit ("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 on the earlier of June 15, 2027 or on the date of the Issuer's next Annual Meeting subject to continued service to the Issuer through such date.

2. Consists of 15,057 shares of common stock and 6,839 RSUs.

3. Options to vest and become fully exercisable on the earlier of the first anniversary following the date of grant or on the date of the Issuer's next Annual Meeting, subject to continued service to the Issuer through such date.

	/s/ Junlin Ho, Attorney-in-Fact for Richard Brudnick	06/08/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transactions did Scholar Rock (SRRK) director Richard Brudnick report?

Richard Brudnick reported two compensation-related grants: 6,839 restricted stock units and stock options for 4,310 shares. Both awards were granted at no cash cost to him and vest based on continued board service and future dates.

How many Scholar Rock (SRRK) shares does Richard Brudnick hold after this Form 4?

After the reported grants, Richard Brudnick holds 21,896 common-share interests. Footnotes state this consists of 15,057 shares of common stock and 6,839 RSUs, all held directly, reflecting his updated equity position in Scholar Rock.

What are the vesting terms of Richard Brudnick’s restricted stock units at Scholar Rock (SRRK)?

The 6,839 RSUs vest on the earlier of June 15, 2027 or the next Annual Meeting, subject to his continued service with Scholar Rock. Upon vesting, each RSU converts into one share of the company’s common stock.

What are the key terms of Richard Brudnick’s new stock options in Scholar Rock (SRRK)?

Brudnick received stock options for 4,310 shares of Scholar Rock common stock with a $45.33 exercise price. These options vest on the earlier of the first anniversary of grant or the next Annual Meeting, conditioned on continued service.

Are Richard Brudnick’s Scholar Rock (SRRK) transactions open-market buys or compensation grants?

The reported transactions are compensation grants, not open-market purchases. Both the RSUs and stock options are coded as awards (transaction code A), meaning they were granted by the company as part of director compensation.