Form 4: Scholar Rock CHRO Sells Shares for Tax Obligations

Scholar Rock Holding Corp's CHRO, Caryn Parlavecchio, sold 6,600 shares of common stock to cover tax withholding obligations related to vested restricted stock units.

Summary

• Caryn Parlavecchio, Chief Human Resources Officer (CHRO) of Scholar Rock Holding Corp (SRRK), reported a transaction on January 16, 2026.
• The transaction involved the disposition of 6,600 shares of common stock 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 Ms. Parlavecchio.
• The RSUs vested on January 15, 2026, and were granted on February 14, 2022, and February 12, 2024.
• Following this transaction, Ms. Parlavecchio beneficially owns 148,864 securities, consisting of 78,283 shares of common stock and 70,581 RSUs.

Sentiment

Score: 5

Explanation: The sentiment is neutral as the transaction is a routine, non-discretionary 'sell to cover' for tax purposes related to RSU vesting, rather than a discretionary sale by the insider.

Future Outlook

This filing does not contain any forward-looking statements or guidance, as it reports a past insider transaction.

Industry Context

This is a routine insider transaction for tax purposes and 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 a strategic shift.
• Employees: No direct impact indicated.

Key Dates

Recommendation

The transaction reported is a non-discretionary 'sell to cover' to satisfy tax obligations upon RSU vesting. Such routine insider sales typically do not reflect a change in management's outlook or company fundamentals, and therefore, do not warrant a change in investment recommendation based solely on this filing. Investors should continue to hold based on broader company performance and market conditions.

Keywords

Scholar Rock Holding Corp, SRRK, Form 4, Insider Transaction, Stock Sale, Restricted Stock Units, RSU, Tax Withholding, CHRO