Mirum Pharmaceuticals: CEO Christopher Peetz exercised 12,197 shares

What happened Christopher Peetz, CEO, exercised options for 5,305 shares at $19.19 for $101,803 and 6,892 shares at $15.87 for $109,376 on Oct 6, 2026 (total $211,179). The filing also reports dispositions of 5,305 and 6,892 shares at $0.00 (derivative) on the same date.

Key details

• Transaction date: Oct 6, 2026. Prices: $19.19 for 5,305 shares; $15.87 for 6,892 shares. Transaction code: M (option exercise).
• Shares owned after the transaction: not stated in the filing.
• Footnote F1: the stock option is fully vested.
• Filing date: Oct 6, 2026 (same date as the transactions).

Why it may matter

• The filing shows exercised options and simultaneous dispositions of the same share amounts at $0.00, consistent with a cashless or net-share settlement rather than an open-market sale.
• The filing does not show why the insider traded or why the company acted.