Form4insider filings, from the source

Company · CIK 0001759425 · SIC 2834 — Pharmaceutical Preparations · Nasdaq

Mirum Pharmaceuticals, Inc. · MIRM

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $4.0M · 3net −$4.0M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 18Sep 23Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 14, 2026 SForm 4 →Sep 15, 4:10 pm EDTEric BjerkholtCHIEF FINANCIAL OFFICER9,943$98.37$978,09344,745−18.2%
Sep 11, 2026 MForm 4 →Sep 15, 4:10 pm EDTEric BjerkholtCHIEF FINANCIAL OFFICER18,333——54,688—
Sep 2, 2026 SForm 4 →Sep 3, 6:54 pm EDTJolanda HoweSVP, GLOBAL CONTROLLER658$100.00$65,800616−51.6%10b5-1
Sep 1, 2026 SForm 4 →Sep 3, 6:52 pm EDTChristopher PeetzCHIEF EXECUTIVE OFFICER, Director30,000$98.68$2,960,401194,440−13.4%10b5-1
Sep 1, 2026 MForm 4 →Sep 3, 6:52 pm EDTChristopher PeetzCHIEF EXECUTIVE OFFICER, Director30,000$2.94$88,080224,440—10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 11, 2026 MForm 4 →Sep 15, 4:10 pm EDTEric BjerkholtCHIEF FINANCIAL OFFICER18,333——0—
Sep 1, 2026 MForm 4 →Sep 3, 6:52 pm EDTChristopher PeetzCHIEF EXECUTIVE OFFICER, Director30,000——58,487—10b5-1