Michael G Grey Insider Trading Activity

Corporate InsiderDirector · CIK 1240122

3

Total trades

$11.1M

Total volume

Dec 19, 2025

Last activity

MIRM

Mirum Pharmaceuticals, Inc.

Michael G Grey has been net-selling over the last 12 months with 0 purchases and 3 sales across 1 company.

MIRM is the most-traded position with 3 trades. The largest single transaction was a sale of MIRM for $3.9M on Dec 19, 2025.

Performance Scorecard

Forward stock performance after each transaction by Michael G Grey. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.

PERIODAVG BUY RETURNAVG SELL AVOIDEDSUCCESS RATETRADES
30 days-13.5%0%3
90 days-29.6%0%3
120 days-25.1%0%3

Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.

Price & Trades

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MIRM · Mirum Pharmaceuticals, Inc.

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Recent Trades

DATETICKERTYPESHARESPRICEVALUEΔ OWNEDROLEFILING
Dec 19, 2025
MIRMSell50,000$78.00$3.9M−100.0%Director
Dec 1, 2025
MIRMSell50,000$74.00$3.7M−100.0%Director
Nov 21, 2025
MIRMSell50,000$70.00$3.5M−100.0%Director

Top Companies Traded

TICKERCOMPANYTRADESTOTAL VOLUME
MIRMMirum Pharmaceuticals, Inc.3$11.1M

Other insiders at Mirum Pharmaceuticals, Inc.

6 other tracked filers at MIRM.