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sellModerate cluster of 2

William Fairey sold $155k of MIRM

director at Mirum Pharmaceuticals, Inc.. 3,203 shares at an average of $48.42, traded Jun 11, 2025, filed Jun 13, 2025.

Warning score
54
Value
$155k
3,203 shares
Holdings after
2,500
-56% from before
From 52-week low
+28%
low $37.85, close $48.46
From 52-week high
-9%
high $53.16, as of Jun 11, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $155k at market
    +11
  • Share of holdings sold
    Sold 56% of holdings
    +20
  • Cluster
    2 insiders selling within 14 days
    +8

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

MIRMOct 9, 2026 · close 86.01
Since filing Jun 13, 2025: +73.3%SPY +32.6% · excess +40.7%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001415889-25-017188, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jun 11, 2025SOpen-market sale
Common Stock
-3,203$48.42$155k2,500Jun 13, 2025

Related signals

Other insiders at Mirum Pharmaceuticals, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
52Moderate
MIRMsell 3
Mirum Pharmaceuticals, Inc.
Eric Bjerkholt
CHIEF FINANCIAL OFFICER
$978k
9,943 shares
-18%
38Weak
MIRMsell 310b5-1
Mirum Pharmaceuticals, Inc.
Jolanda Howe
SVP, GLOBAL CONTROLLER
$66k
658 shares
-52%
35Weak
MIRMsell 310b5-1
Mirum Pharmaceuticals, Inc.
Christopher Peetz
CHIEF EXECUTIVE OFFICER
$3.0M
30,000 shares
-13%
41Moderate
MIRMsell 2
Mirum Pharmaceuticals, Inc.
Eric Bjerkholt
CHIEF FINANCIAL OFFICER
$728k
9,578 shares
-19%
53Moderate
MIRMsell 2
Mirum Pharmaceuticals, Inc.
Laura Brege
director
$1.3M
17,000 shares
-52%
44Moderate
MIRMsell 2
Mirum Pharmaceuticals, Inc.
Saira Ramasastry
director
$378k
8,203 shares
-144%
15Weak
MIRMsell10b5-1
Mirum Pharmaceuticals, Inc.
Jolanda Howe
SVP, GLOBAL CONTROLLER
$107k
2,415 shares
-50%
15Weak
MIRMbuy
Mirum Pharmaceuticals, Inc.
Patrick J Heron
director
$24k
549 shares
+0%
25Weak
MIRMsell10b5-1
Mirum Pharmaceuticals, Inc.
Jolanda Howe
SVP, GLOBAL CONTROLLER
$2.6M
57,606 shares
-603%
30Weak
MIRMbuy
Mirum Pharmaceuticals, Inc.
Patrick J Heron
director
$100k
2,298 shares
+1%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

William Fairey sold $155k of MIRM | InsiderTell