William Lewis

INSM

William Lewis serves as director, officer: Chair and CEO at Insmed Incorporated (INSM). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

53 trades

$96.34M

Net Position

Net Seller

$96.34M

Companies Traded

INSM

Active Period

Mar 2021 – Jun 2026

53 total trades

Most Recent

Sell INSM

Jun 10, 2026 · $612.6K

William Lewis's Insider Trading at Insmed Incorporated (INSM)

Buys

0 · $0.00

Sells

3 · $7.16M

Total Shares Bought

Total Shares Sold

243,228

INSM Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Dec 28, 2021	Sell	96,614	$27.97	$2.70M	202,219
Oct 1, 2021	Sell	96,614	$27.36	$2.64M	215,526
Mar 18, 2021	Sell	50,000	$36.19	$1.81M	205,969

Showing 51–53 of 53

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INSM Insider Trading Activity

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