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sellModerate cluster of 410b5-1 plan

Orlov S Nicole Schaeffer sold $11M of INSM

Chief People Strategy Officer at INSMED Inc. 76,520 shares at an average of $145.45, traded Sep 12, 2025, filed Sep 15, 2025.

Warning score
40
Value
$11M
76,520 shares
Holdings after
36,461
-68% from before
From 52-week low
+125%
low $64.81, close $145.93
From 52-week high
-1%
high $147.20, as of Sep 12, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $11.1M at market
    +25
  • Share of holdings sold
    Sold 68% of holdings
    +20
  • Cluster
    4 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

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.

This signal so far: 1m +14.3%, 3m +37.6%, 6m +1.0%.

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.

INSMOct 13, 2026 · close 96.79
Since filing Sep 15, 2025: -32.4%SPY +19.3% · excess -51.7%

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 0001401017-25-000010, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 12, 2025MOption exercise
Common Stock10b5-1
+56,520$23.75$1.3M112,981Sep 15, 2025
Sep 12, 2025SOpen-market sale
Common Stock10b5-1
-32,091$144.60$4.6M80,890Sep 15, 2025
Sep 12, 2025SOpen-market sale
Common Stock10b5-1
-30,967$145.67$4.5M49,923Sep 15, 2025
Sep 12, 2025SOpen-market sale
Common Stock10b5-1
-7,304$146.57$1.1M42,619Sep 15, 2025
Sep 12, 2025SOpen-market sale
Common Stock10b5-1
-6,158$147.46$908k36,461Sep 15, 2025
Sep 12, 2025MOption exercise
Stock Option (right to buy)derivative10b5-1
-56,520$0.00$00Sep 15, 2025

Related signals

Other insiders at INSMED Inc and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
50Moderate
INSMsell
INSMED Inc
David R Brennan
director
$3.1M
25,000 shares
-39%
70Notable
INSMsell 3
INSMED Inc
Melvin Sharoky Md
director
$638k
5,000 shares
-100%
65Notable
INSMsell 3
INSMED Inc
Roger Adsett
Chief Operating Officer
$32M
239,850 shares
-71%
30Weak
INSMsell 410b5-1
INSMED Inc
Martina Flammer M.D.
Chief Medical Officer
$3.5M
27,173 shares
-31%
23Weak
INSMsell 210b5-1
INSMED Inc
William Lewis
Chair and CEO
$1.1M
10,700 shares
-4%
23Weak
INSMsell 210b5-1
INSMED Inc
William Lewis
Chair and CEO
$1.3M
10,699 shares
-4%
25Weak
INSMsell 310b5-1
INSMED Inc
Martina Flammer M.D.
Chief Medical Officer
$1.4M
12,302 shares
-17%
30Weak
INSMsell 310b5-1
INSMED Inc
William Lewis
Chair and CEO
$2.2M
21,398 shares
-8%
21Weak
INSMsell 310b5-1
INSMED Inc
Michael Alexander Smith
Chief Legal Officer
$173k
1,806 shares
-5%
40Moderate
INSMsell 510b5-1
INSMED Inc
William Lewis
Chair and CEO
$613k
6,515 shares
-2%

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.

Orlov S Nicole Schaeffer sold $11M of INSM | InsiderTell