Rtw Investments, Lp - Sep 30, 2025 SCHEDULE 13G/A Report for MILESTONE PHARMACEUTICALS INC. Common Shares, no par value per share (MIST)

Filing Manager: RTW INVESTMENTS, LP
Reporting Manager: RTW Investments, LP
Security: MILESTONE PHARMACEUTICALS INC. Common Shares, no par value per share
Symbol: MIST
Shares outstanding: 92.5M shares
Disclosed Ownership: 9.16M shares
Ownership: 9.9%
Form type: SCHEDULE 13G/A
Date filed: 11/14/2025, 08:30 AM
Date of event: Sep 30, 2025
Previous filing: Feb 14, 2025
SEC: View on sec.gov

Reporting Managers (2)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
RTW Investments, LP	9.9%	9.16M	0	9.16M	/s/ Roderick Wong, M.D.	Roderick Wong, M.D., Managing Partner
Roderick Wong	9.9%	9.16M	0	9.16M	s/ Roderick Wong, M.D.	Roderick Wong, M.D.