Form 4: Scholar Rock CMO Sells Shares for Tax Obligation

Scholar Rock's Chief Medical Officer, Jing L. Marantz, sold 5,798 shares of common stock at $44.4777 per share to cover tax withholding obligations related to vested restricted stock units.

Summary

• Jing L. Marantz, Chief Medical Officer of Scholar Rock Holding Corp (SRRK), reported a sale of 5,798 shares of common stock.
• The transaction occurred on January 16, 2026, at a price of $44.4777 per share.
• This sale was a 'sell to cover' transaction, mandated by the Issuer's equity incentive plans to fund tax withholding obligations associated with the vesting of restricted stock units (RSUs).
• The sale does not represent a discretionary trade by the Reporting Person.
• The RSUs, which vested on January 15, 2026, were granted on February 12, 2024.
• Following this transaction, Jing L. Marantz beneficially owns 95,687 shares, consisting of 24,974 shares of common stock and 70,713 RSUs.

Sentiment

Score: 5

Explanation: The transaction is a routine, non-discretionary 'sell to cover' for tax purposes, which does not reflect a positive or negative sentiment towards the company's prospects.

Future Outlook

This filing does not contain any forward-looking statements or guidance regarding the company's future outlook.

Industry Context

This insider transaction report is a routine disclosure for publicly traded companies, reflecting a standard 'sell to cover' event for executive compensation. It does not provide specific insights into broader industry trends or competitive landscape.

Stakeholder Impact

• Shareholders: Minimal impact, as this is a routine, non-discretionary transaction for tax purposes and does not signal a change in management's confidence or strategic direction.

Key Dates

Keywords

Scholar Rock, SRRK, Form 4, Insider Transaction, Stock Sale, RSU, Chief Medical Officer, Tax Withholding