Jing L. Marantz - 16 Jan 2026 Form 4 Insider Report for Scholar Rock Holding Corp (SRRK)

Role
CHIEF MEDICAL OFFICER
Signature
/s/ Junlin Ho, Attorney-in-Fact for Jing L. Marantz
Issuer symbol
SRRK
Transactions as of
16 Jan 2026
Net transactions value
-$257,882
Form type
4
Filing time
21 Jan 2026, 19:50:56 UTC
Previous filing
11 Jun 2025
Next filing
11 Feb 2026
SEC
View on sec.gov

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Quoteable Key Fact

"Jing L. Marantz filed Form 4 for Scholar Rock Holding Corp (SRRK) on 21 Jan 2026."

Quick Takeaways

  • This page summarizes Jing L. Marantz's Form 4 filing for Scholar Rock Holding Corp (SRRK).
  • 1 reported transaction and 0 derivative rows are listed below.
  • Filing timestamp: 21 Jan 2026, 19:50.

What Changed

  • Previous filing in this sequence was filed on 11 Jun 2025.
  • Current net transaction value: -$257,882.

Why This Matters

  • 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.

Official SEC Source

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

See Original Filing

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Marantz Jing L. CHIEF MEDICAL OFFICER 301 BINNEY STREET, CAMBRIDGE /s/ Junlin Ho, Attorney-in-Fact for Jing L. Marantz 21 Jan 2026 0001834528

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SRRK Common Stock Sale $257,882 -5,798 -5.7% $44.48 95,687 16 Jan 2026 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents the number of shares required to be sold by the Reporting Person to cover the tax withholding obligation in connection with the vesting of restricted stock units ("RSU") on January 15, 2026. This sale is mandated by the Issuer's election under its equity incentive plans to require the Reporting Person to fund this tax withholding obligation by completing a "sell to cover" transaction with a brokerage firm designated by the Issuer. This sale does not represent a discretionary trade by the Reporting Person. The shares vested pursuant to awards that were granted on February 12, 2024. 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 these RSU awards are fully vested.
F2 Consists of 24,974 shares of common stock and 70,713 RSUs.

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