MIRM insider trading — Mirum Pharmaceuticals, Inc.
Over the last 90 days, insiders at Mirum Pharmaceuticals, Inc. (MIRM) made 0 open-market purchases worth $0 and 2 open-market sales worth $4.98M, making them net sellers by $4.98M. The largest sale was by Howe Jolanda (SVP, GLOBAL CONTROLLER), who sold 40,000 shares for $4.00M on Aug 18, 2026.
Updated Oct 16, 2026.
Recent MIRM insider transactions
Every Form 4 filed by Mirum Pharmaceuticals, Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Oct 6, 2026 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | M · Option exercise | Direct | 12,197 | $17.31 | $211K | Form 4 |
| Sep 14, 2026 | Bjerkholt Eric | CHIEF FINANCIAL OFFICER | S · Sale | Direct | 9,943 | $98.37 | $978K | Form 4 |
| Sep 11, 2026 | Bjerkholt Eric | CHIEF FINANCIAL OFFICER | M · Option exercise | Direct | 18,333 | — | — | Form 4 |
| Sep 2, 2026 | Howe Jolanda | SVP, GLOBAL CONTROLLER | S · Sale · 10b5-1 | Direct | 658 | $100.00 | $66K | Form 4 |
| Sep 1, 2026 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | M · Option exercise · 10b5-1 | Direct | 30,000 | $2.94 | $88K | Form 4 |
| Sep 1, 2026 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | S · Sale · 10b5-1 | Direct | 30,000 | $98.68 | $2.96M | Form 4 |
| Aug 18, 2026 | Howe Jolanda | SVP, GLOBAL CONTROLLER | M · Option exercise | Direct | 40,000 | $6.27 | $251K | Form 4 |
| Aug 18, 2026 | Howe Jolanda | SVP, GLOBAL CONTROLLER | S · Sale | Direct | 40,000 | $100.00 | $4.00M | Form 4 |
| Aug 11, 2026 | Bjerkholt Eric | CHIEF FINANCIAL OFFICER | S · Sale · 10b5-1 | Direct | 6,001 | $99.90 | $600K | Form 4 |
| Aug 10, 2026 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | M · Option exercise · 10b5-1 | Direct | 20,000 | $2.94 | $59K | Form 4 |
| Aug 10, 2026 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | S · Sale · 10b5-1 | Direct | 20,000 | $98.92 | $1.98M | Form 4 |
| Aug 3, 2026 | Howe Jolanda | SVP, GLOBAL CONTROLLER | S · Sale · 10b5-1 | Direct | 1,840 | $105.29 | $194K | Form 4 |
MIRM insider trading FAQ
Are insiders buying MIRM stock?
Not on the open market. In the last 90 days, Mirum Pharmaceuticals, Inc. insiders made no open-market purchases, and 2 open-market sales totaling $4.98M. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading MIRM?
Recent sellers: Bjerkholt Eric, Howe Jolanda.
Where does MIRM insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.