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Congress
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Lewis William
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Buy
Sell
All Values
$10k+
$50k+
$100k+
$500k+
$1M+
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Date (Oldest)
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Director, Chair and CEO
Companies:
INSM
Total Filings
6
Market Buys / Sells
0
/
4
2 other (exercises, taxes, awards)
Insider Sentiment
Net Selling
Insiders are selling more than buying — may indicate profit-taking
Market Buy / Sell Value
Sell
$1,540,331.72
Date
Ticker
Insider
Type
Shares
Price
Value
Apr 17, 2026
INSM
Lewis William
Director, Chair and CEO
2 Exercises, 4 Sells
21,398
—
$1,807,171.26
INSM
2 Exercises, 4 Sells
Apr 17, 2026
Lewis William
Director, Chair and CEO
21,398 shr
$1,807,171.26
6 transactions