Scholar Rock director sells 3,053 shares

Scholar Rock Holding Corp director Jeffrey S. Flier reported open-market sales of 3,053 shares of Common Stock on July 1, 2026.

Rhea-AI Filing Summary

Scholar Rock Holding Corp director Jeffrey S. Flier reported open-market sales of 3,053 shares of Common Stock on July 1, 2026. The trades were executed at weighted average prices between about $52.96 and $55.01 per share under a pre-arranged Rule 10b-5-1 trading plan to cover tax obligations tied to vesting and settlement of restricted stock units. Following these transactions, the filing reports holdings consisting of 21,017 shares of common stock and 6,839 RSUs, indicating he retains a meaningful equity position in the company.

Insider Trade Summary 10b5-1

Net Seller: 3,053 shares

Net Sell 3 txns

Insider FLIER JEFFREY S.

Role Director

Sold 3,053 shs ($164K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,568	$53.5328	$84K
Sale	Common Stock	1,470	$54.2365	$80K
Sale	Common Stock	15	$54.8757	$823.14

Holdings After Transaction: Common Stock — 27,856 shares (Direct)

Footnotes (7)

1. F1. This sale was effected pursuant to a Rule 10b-5-1 trading plan adopted on March 31, 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 $52.960 to $53.944, 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 22,502 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 $53.950 to $54.800, 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 21,032 shares of common stock and 6,839 RSUs.
6. F6. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $54.805 to $55.010, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.
7. F7. Consists of 21,017 shares of common stock and 6,839 RSUs.

Key Figures

Shares sold: 3,053 shares Sale price (transaction 1): $53.5328 per share Sale price (transaction 2): $54.2365 per share +3 more

6 metrics

Shares sold 3,053 shares Total Common Stock sold on July 1, 2026

Sale price (transaction 1) $53.5328 per share Weighted average price for one reported sale

Sale price (transaction 2) $54.2365 per share Weighted average price for another reported sale

Sale price (transaction 3) $54.8757 per share Weighted average price for a third reported sale

Post-transaction common shares 21,017 shares Common stock position referenced in holdings footnote

Restricted stock units 6,839 RSUs RSUs held as referenced in multiple footnotes

Key Terms

Rule 10b-5-1 trading plan, restricted stock units (RSUs), weighted average price, open-market sale

4 terms

Rule 10b-5-1 trading plan regulatory

"This sale was effected pursuant to a Rule 10b-5-1 trading plan adopted on March 31, 2026"

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 Jeffrey S. Flier?

Scholar Rock disclosed that director Jeffrey S. Flier sold 3,053 shares of Common Stock on July 1, 2026. These were open-market sales executed under a Rule 10b-5-1 trading plan, mainly to cover tax obligations from vesting restricted stock units.

At what prices did Jeffrey S. Flier sell Scholar Rock (SRRK) shares?

Jeffrey S. Flier’s reported trades used weighted average prices between about $52.96 and $55.01 per share. Footnotes note multiple transactions within narrower ranges, with detailed trade breakdowns available to SEC staff upon request if needed.

Was the Scholar Rock (SRRK) insider sale by Jeffrey S. Flier pre-planned?

Yes. The filing states the sale was effected pursuant to a Rule 10b-5-1 trading plan adopted on March 31, 2026. Such plans schedule trades in advance, often making them more routine and less reflective of short-term views on the stock.

Why did Jeffrey S. Flier sell Scholar Rock (SRRK) shares according to the filing?

The filing explains the sale was made to cover tax obligations upon vesting and settlement of restricted stock units. This type of transaction is commonly associated with equity compensation events rather than discretionary portfolio changes by the insider.

How many Scholar Rock (SRRK) shares and RSUs does Jeffrey S. Flier hold after the reported sales?

A footnote reports post-transaction holdings consisting of 21,017 shares of common stock and 6,839 restricted stock units. This indicates that, despite the tax-related sales, he maintains a sizable ongoing equity interest in Scholar Rock through both shares and RSUs.

What does weighted average price mean in the Scholar Rock (SRRK) Form 4?

Weighted average price means each reported sale price reflects many individual trades executed between stated high and low prices. The filing notes ranges such as $52.960 to $53.944 and offers to provide exact trade counts at each price to SEC staff.

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^*

FLIER JEFFREY S.

(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		1,568(1)	D	$53.5328(2)	29,341(3)	D
Common Stock	07/01/2026		S		1,470(1)	D	$54.2365(4)	27,871(5)	D
Common Stock	07/01/2026		S		15(1)	D	$54.8757(6)	27,856(7)	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 31, 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 $52.960 to $53.944, 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 22,502 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 $53.950 to $54.800, 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 21,032 shares of common stock and 6,839 RSUs.

6. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $54.805 to $55.010, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.

7. Consists of 21,017 shares of common stock and 6,839 RSUs.

	/s/ Junlin Ho, attorney-in-fact for Jeffrey S. Flier	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)