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William Lewis

Chair and CEO. Files against INSM. Everything below is filed with the SEC within two business days of the trade. Filed as Lewis William.

Filed lines
13
2026-07-09 to 2026-07-23
Bought
—
open market
Sold
$2.4M
open market
Net
$2.4M
sold more

Every reported line

Purchases, sales, grants, option exercises and shares withheld for tax.

CompanyActionValue
INSMInsmed Inc2026-07-23
Option exercise10b5-1 plan
$190.7K
INSMInsmed Inc2026-07-23
Option exercise10b5-1 plan
$76.2K
INSMInsmed Inc2026-07-23
Sale10b5-1 plan
$509.9K
INSMInsmed Inc2026-07-23
Sale10b5-1 plan
$625K
INSMInsmed Inc2026-07-23
Option exercisederivative10b5-1 plan
—
INSMInsmed Inc2026-07-23
Option exercisederivative10b5-1 plan
—
INSMInsmed Inc2026-07-09
Option exercise10b5-1 plan
$190.6K
INSMInsmed Inc2026-07-09
Option exercise10b5-1 plan
$76.2K
INSMInsmed Inc2026-07-09
Sale10b5-1 plan
$583.3K
INSMInsmed Inc2026-07-09
Sale10b5-1 plan
$274.6K
INSMInsmed Inc2026-07-09
Sale10b5-1 plan
$398.1K
INSMInsmed Inc2026-07-09
Option exercisederivative10b5-1 plan
—
INSMInsmed Inc2026-07-09
Option exercisederivative10b5-1 plan
—

Source: SEC Form 4 and Form 144 filings, via EDGAR. Form 144 carries no filer identifier, so those notices are matched to this page by name alone. Value is shares times the reported price, and is blank where the filing priced the transaction at zero — a grant costs its recipient nothing. Insiders sell for reasons that have nothing to do with the company, which is why a sale is not read as a signal on its own.

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