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sellModerate cluster of 3

Eric Bjerkholt sold $978k of MIRM

CHIEF FINANCIAL OFFICER at Mirum Pharmaceuticals, Inc.. 9,943 shares at an average of $98.37, traded Sep 14, 2026, filed Sep 15, 2026.

Warning score
52
Value
$978k
9,943 shares
Holdings after
44,745
-18% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    CFO
    +22
  • Trade size
    $978k at market
    +25
  • Share of holdings sold
    Sold 18% of holdings
    +5
  • Cluster
    3 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15

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 Sep 15, 2026: -8.4%SPY +3.1% · excess -11.5%

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 0001197350-26-000010, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 11, 2026MOption exercise
Common Stock
+18,333--54,68827 d ago
Sep 14, 2026SOpen-market sale
Common Stock
-9,943$98.37$978k44,74527 d ago
Sep 11, 2026MOption exercise
Restricted Stock Unitsderivative
-18,333$0.00$0027 d ago

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
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%
54Moderate
MIRMsell 2
Mirum Pharmaceuticals, Inc.
William Fairey
director
$155k
3,203 shares
-56%
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%
29Weak
MIRMbuy
Mirum Pharmaceuticals, Inc.
Patrick J Heron
director
$84k
1,915 shares
+1%
18Weak
MIRMbuy
Mirum Pharmaceuticals, Inc.
Patrick J Heron
director
$73k
1,602 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.

Eric Bjerkholt sold $978k of MIRM | InsiderTell