William Lewis
Chair and CEO, Director · INSMED Inc
IndividualSelling only121 10b5-1 trades
- 2024
- Jul 24, 2026
- 32
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies William Lewis files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Roger Adsett - $47.51M in INSM purchases and sales in the last 12 months
- Martina M.D. Flammer - $17.99M in INSM purchases and sales in the last 12 months
- Leo Lee - $14.69M in INSM purchases and sales in the last 12 months
- Michael Alexander Smith - $13.45M in INSM purchases and sales in the last 12 months
- Orlov S. Nicole Schaeffer - $5.82M in INSM purchases and sales in the last 12 months
- David R. Brennan - $3.10M in INSM purchases and sales in the last 12 months
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Frequently asked questions
Who is William Lewis?
William Lewis is a corporate insider, tracked as Chair and CEO, Director of INSMED Inc (INSM). InsiderAlpha holds 32 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has William Lewis submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has William Lewis been buying or selling stock?
Recorded transactions: 0 open-market purchases and 106 open-market sales ($51.94M) across all tracked filings.
