Scholar Rock director sells 3,053 shares in planned trade

Scholar Rock Holding Corp director Joshua Reed sold 3,053 shares of common stock in open-market transactions.

Rhea-AI Filing Summary

Scholar Rock Holding Corp director Joshua Reed sold 3,053 shares of common stock in open-market transactions. The sales on July 1, 2026 were executed at weighted average prices of $53.4958 and $54.2814 per share under a pre-arranged Rule 10b5-1 trading plan. The filing notes the plan was adopted to cover tax obligations tied to the vesting and settlement of restricted stock units, indicating these are largely tax-related, scheduled sales. Following the transactions, Reed holds 19,518 equity-linked units, consisting of 12,679 shares of common stock and 6,839 RSUs.

Insider Trade Summary 10b5-1

Net Seller: 3,053 shares

Net Sell 2 txns

Insider Reed Joshua

Role Director

Sold 3,053 shs ($164K)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,105	$53.4958	$113K
Sale	Common Stock	948	$54.2814	$51K

Holdings After Transaction: Common Stock — 19,518 shares (Direct)

Footnotes (5)

1. F1. This sale was effected pursuant to a Rule 10b-5-1 trading plan adopted on March 21, 2026 to cover tax obligations upon the vesting and settlement of restricted stock units (RSUs).
2. F2. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $53.050 to $54.030, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.
3. F3. Consists of 13,627 shares of common stock and 6,839 RSUs.
4. F4. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $54.040 to $54.795, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.
5. F5. Consists of 12,679 shares of common stock and 6,839 RSUs.

Key Figures

Total shares sold: 3,053 shares Sale price block 1: $53.4958 per share Sale price block 2: $54.2814 per share +5 more

8 metrics

Total shares sold 3,053 shares Open-market sales on July 1, 2026

Sale price block 1 $53.4958 per share 2,105 shares of common stock sold

Sale price block 2 $54.2814 per share 948 shares of common stock sold

Post-transaction holdings 20,466 equity-linked units Consists of 12,679 common shares and 6,839 RSUs

Common stock held after 12,679 shares Component of total 20,466 units following transactions

RSUs held after 6,839 RSUs Restricted stock units remaining after tax-related sales

10b5-1 plan adoption date March 21, 2026 Plan used to execute tax-related share sales

Price range block 1 $54.040–$54.795 Weighted average price $54.2814 for 948-share sale

Key Terms

Rule 10b5-1 trading plan, restricted stock units (RSUs), weighted average price, open-market sale

4 terms

Rule 10b5-1 trading plan regulatory

"This sale was effected pursuant to a Rule 10b5-1 trading plan adopted on March 21, 2026"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

restricted stock units (RSUs) financial

"to cover tax obligations upon the vesting and settlement of restricted stock units (RSUs)"

Restricted stock units (RSUs) are a type of company promise to give employees shares of stock in the future, usually after certain conditions like working for a set time. They are like a gift promised today that you receive later, which can become valuable if the company's stock price goes up. RSUs matter because they are a way companies reward employees and can be a significant part of compensation.

weighted average price financial

"The price reported in Column 4 is a weighted average price"

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

open-market sale financial

"transaction_action: "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

FAQ

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

What insider transaction did Scholar Rock (SRRK) disclose for Joshua Reed?

Scholar Rock reported that director Joshua Reed sold 3,053 shares of common stock in two open-market transactions on July 1, 2026. The trades were executed at weighted average prices around the mid-$50 range per share.

At what prices did Joshua Reed sell Scholar Rock (SRRK) shares?

Joshua Reed’s reported sales occurred at weighted average prices of $53.4958 and $54.2814 per share. The filing notes multiple trades within price ranges from $53.050 to $54.795, with detailed breakdowns available to SEC staff upon request.

Was Joshua Reed’s sale of Scholar Rock (SRRK) shares part of a 10b5-1 plan?

Yes. The filing states the sale was executed under a Rule 10b5-1 trading plan adopted on March 21, 2026. The plan was established specifically to cover tax obligations from vesting and settlement of restricted stock units.

How many Scholar Rock (SRRK) shares does Joshua Reed hold after the sale?

After the reported transactions, Joshua Reed holds 20,466 equity-linked units in Scholar Rock. This consists of 12,679 shares of common stock and 6,839 restricted stock units (RSUs), reflecting his remaining direct stake and unvested compensation.

How many Scholar Rock (SRRK) shares did Joshua Reed sell in total?

The Form 4 shows that Joshua Reed sold a total of 3,053 shares of Scholar Rock common stock. The transactions were split into blocks of 2,105 shares at $53.4958 and 948 shares at $54.2814, both described as open-market sales.

Why did Joshua Reed sell Scholar Rock (SRRK) shares according to the filing?

The filing explains that the sales were made to cover tax obligations arising from the vesting and settlement of restricted stock units. These transactions were carried out under a pre-arranged Rule 10b5-1 trading plan, indicating a planned, tax-related purpose.

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

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Accepted by SEC EDGAR 07/06/2026 - 04:30 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).

X

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^*

Reed Joshua

(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)
07/01/2026

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	07/01/2026		S		2,105(1)	D	$53.4958(2)	20,466(3)	D
Common Stock	07/01/2026		S		948(1)	D	$54.2814(4)	19,518(5)	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. This sale was effected pursuant to a Rule 10b-5-1 trading plan adopted on March 21, 2026 to cover tax obligations upon the vesting and settlement of restricted stock units (RSUs).

2. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $53.050 to $54.030, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.

3. Consists of 13,627 shares of common stock and 6,839 RSUs.

4. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $54.040 to $54.795, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.

5. Consists of 12,679 shares of common stock and 6,839 RSUs.

	/s/ Junlin Ho, attorney-in-fact for Joshua Reed	07/06/2026
	** 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)