// company-profile

Mirum Pharmaceuticals, Inc.

MIRM
ExchangeNasdaqSectorPharmaceutical PreparationsInc.DEFilings183Insiders25
// api This Mirum Pharmaceuticals, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bullish. Over the last 30 days, 30 insiders purchased shares (net $477K). Buying was led by Radovich Peter.

// 90-day insight

Over the last 90 days, Mirum Pharmaceuticals, Inc. insiders bought $572K across 34 transactions with no open-market sales.

  • Most active insider: Ramasastry Saira with 11 transactions totaling $904K.
  • Largest single sale: $1.6M by Peetz Christopher on Jun 1, 2026.
  • 100% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.

Activity skews bullish — buys outpace sales.

Institutional Ownership

Top 13F-HR holders of Mirum Pharmaceuticals, Inc. as of 2026-03-31

↑ increasing
Total reported AUM
$5.89B
QoQ change
+36.3%
Reporting period
2026-03-31
#1
Frazier Life Sciences Management, L.P.
CIK 1892134
$709.4M
7.7M shares
#2
JANUS HENDERSON GROUP PLC
CIK 1274173
$626.0M
6.8M shares
#3
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$223.1M
2.4M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 17, 2026Howe JolandaMIRM
Sale10b5
2,594$101.95$264K
Jun 15, 2026Heron Patrick JMIRM
Award
1,980$0.00$0K
Jun 15, 2026GREY MICHAEL GMIRM
Award
3,772$0.00$0K
Jun 15, 2026Heron Patrick JMIRM
Award
3,772$0.00$0K
Jun 15, 2026Cardon LonMIRM
Award
1,980$0.00$0K

45 more transactions hidden

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