David Hallal - 21 Sep 2026 Form 4 Insider Report for Scholar Rock Holding Corp (SRRK)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: SRRK
Reported as of: 21 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 23 Sep 2026, 16:36:12 UTC
Prior SEC filing: 04 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Junlin Ho, Attorney-in-Fact for David Hallal

Key filing fact

David Hallal filed Form 4 for Scholar Rock Holding Corp (SRRK) on 23 Sep 2026.

Key facts

This page summarizes David Hallal's Form 4 filing for Scholar Rock Holding Corp (SRRK).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 23 Sep 2026, 16:36.

Change

Previous filing in this sequence was filed on 04 Jun 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001457477 Primary reporting owner

Hallal David

Relationship: Chief Executive Officer, Director
Address: 301 BINNEY STREET, CAMBRIDGE
Signature: /s/ Junlin Ho, Attorney-in-Fact for David Hallal
Signature date: 23 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SRRK transaction

Common Stock

Gift

Transaction value
Shares: -36,652
Change %: -2.2%
Price: $0.000000^*
Shares after: 1,602,382
Date: 21 Sep 2026
Ownership: Direct
Footnotes: F1, F2

SRRK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 36,652
Date: 21 Sep 2026
Ownership: By The Hallal Family Irrevocable Trust - 2021
Footnotes: F1

SRRK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 205,000
Date: 21 Sep 2026
Ownership: By The Hallal Family Irrevocable Trust - 2012
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

On September 21, 2026, the reporting person transferred 36,652 shares of the Issuer's Common Stock to The Hallal Family Irrevocable Trust-2021 (the "Hallal 2021 Trust") for no consideration. The reporting person and his spouse serve as trustees of the Hallal 2021 Trust. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

Footnote F2

Consists of 161,878 shares of common stock, 315,504 RSUs subject to time-based vesting conditions and 1,125,000 RSUs subject to performance- and time-based vesting conditions.

Footnote F3

Shares owned by The Hallal Family Irrevocable Trust - 2012 dated November 19, 2012 (the "Hallal 2012 Trust"). The reporting person's spouse serves as a trustee of the Hallal 2012 Trust. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.