INSMED Inc — Director's Dealing 2025

Dec 9, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: INSMED Inc (INSM)
CIK: 0001104506
Period of Report: 2025-12-05

Reporting Person: SHAROKY MELVIN MD (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-12-05	Common Stock	S	20000	$205.01	Disposed	243948	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	0	Indirect
Common Stock	5000	Indirect
Common Stock	6847	Indirect
Common Stock	5180	Indirect
Common Stock	3481	Indirect
Common Stock	576	Indirect
Common Stock	4764	Indirect

Footnotes

F1: This is the weighted average sales price representing 20,000 shares sold at prices ranging from $205.00 to $205.09 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request.

F2: Reflects shares acquired in pro rata distributions of 23 and 1,250 shares from Baby Gator LLC and Padonia, LLC, respectively, each of which transactions were exempt from reporting pursuant to Rule 16a-9 and Rule 16a-13.

F3: Reflects a pro rata distribution of all of its shares to its members. Not a market sale.

F4: The Reporting Person is a managing member of Baby Gator LLC.

F5: Reflects a pro rata distribution of 5,000 shares to its members. Not a market sale.

F6: The Reporting Person is the managing member of Padonia, LLC.

F7: The Reporting Person is the custodian of Melvin Sharoky C/F Nolan M. Wink UTMA/FL.

F8: The Reporting Person is the custodian of Melvin Sharoky C/F Tulia L. Sharoky UTMA/FL.

F9: The Reporting Person is the custodian of Melvin Sharoky C/F Adler J. Wink UTMA/FL.

F10: The Reporting Person is the custodian of Melvin Sharoky C/F Sophie C. Wink UTMA/FL.