Darwin Global Management, Ltd. - Mar 31, 2025 SCHEDULE 13G/A Report for INSMED Inc Common Stock, par value $0.01 per share (INSM)

Filing Manager
Darwin Global Management, Ltd.
Reporting Manager
Darwin Global Management, Ltd.
Security
INSMED Inc Common Stock, par value $0.01 per share
Symbol
INSM
Shares outstanding
181M shares
Disclosed Ownership
15.4M shares
Ownership
8.5%
Form type
SCHEDULE 13G/A
Date filed
5/15/2025, 04:30 PM
Date of event
Mar 31, 2025
Previous filing
Feb 14, 2025
Next filing
Nov 14, 2025
SEC
View on sec.gov

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Darwin Global Management, Ltd. 8.5% 15.4M 0 15.4M /s/ John Legge John Legge, Director and Chief Financial Officer
Dr. Abhishek Trehan 8.5% 15.4M 0 15.4M /s/ Dr. Abhishek Trehan Dr. Abhishek Trehan, individually
Darwin Global Master Fund, Ltd. 7.5% 13.5M 0 13.5M /s/ John Legge By: Darwin Global Management, Ltd, its Investment Manager, By: John Legge, Director and Chief Financial Officer