Here are the S-3 shelf registrations from Insmed, Inc. (INSM) in our archive over the last 12 months, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
An S-3 covers the shelf registration that lets an established company sell over time, so if you follow INSM and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full INSM filings page.
Insmed Incorporated filed a shelf registration on May 15, 2026 on Form S-3 to register common stock and debt securities for offer and sale from time to time after the registration statement becomes effective. The prospectus describes that offerings may be by the company or by selling securityholders and that specific terms will be set forth in prospectus supplements.
The prospectus lists authorized common stock of 500,000,000 shares and states there were 216,521,841 shares outstanding as of March 31, 2026. It also discloses the Nasdaq listing symbol INSM and the last reported sale price of $115.62 on May 14, 2026. The document states that net proceeds usage will be described in each supplement and that the company will not receive proceeds from selling securityholders unless stated in a supplement.