Form 4: Mirum Pharma COO's RSU Vesting and Tax-Related Stock Sale

Mirum Pharmaceuticals' President and COO, Peter Radovich, reported the vesting of 5,750 restricted stock units and a subsequent sale of 3,143 shares to cover tax obligations.

Summary

• Peter Radovich, President and COO of Mirum Pharmaceuticals, Inc. (MIRM), reported transactions related to his beneficial ownership.
• On January 23, 2026, 5,750 restricted stock units (RSUs) vested, resulting in the acquisition of 5,750 shares of common stock.
• Each RSU represents a contingent right to receive one share of common stock or its cash equivalent.
• The RSUs vest in thirds on each anniversary of January 23, 2024, with the entire award vesting on the three-year anniversary.
• On January 26, 2026, Mr. Radovich sold 3,143 shares of common stock at a price of $96.192 per share.
• This sale was conducted to cover tax withholding obligations associated with the vesting of the restricted stock units.
• Following these transactions, Mr. Radovich beneficially owns 23,286 shares of common stock directly and 5,750 derivative restricted stock units directly.

Sentiment

Score: 5

Explanation: The filing details a routine insider transaction involving the vesting of restricted stock units and a subsequent sale of shares to cover tax withholding obligations. This type of transaction is common for executives receiving equity compensation and does not typically indicate a positive or negative sentiment regarding the company's operational performance or future prospects.

Positives

• The vesting of restricted stock units represents compensation for the executive, aligning their interests with the company's long-term performance.

Negatives

• The sale of 3,143 shares, while for tax purposes, reduces the executive's direct equity ownership in the company.

Stakeholder Impact

• Shareholders: Minimal direct impact as this is a routine, pre-planned insider transaction for compensation and tax purposes, not indicative of a change in company fundamentals or executive confidence.

Next Steps

• Future vesting of the remaining restricted stock units on the anniversaries of January 23, 2024, until the three-year anniversary.

Key Dates

Keywords

Mirum Pharmaceuticals, MIRM, Peter Radovich, Form 4, Insider Transaction, Restricted Stock Units, RSU Vesting, Stock Sale, Tax Withholding