Adage Capital Management, L.P. - 30 Sep 2025 SCHEDULE 13G Report for Milestone Pharmaceuticals Inc. Common Shares, no par value (MIST)

Filing Manager
Adage Capital Management, L.P.
Reporting Manager
Adage Capital Management, L.P.
Security
Milestone Pharmaceuticals Inc. Common Shares, no par value
Symbol
MIST
Shares outstanding
86,677,317 shares
Disclosed Ownership
8,659,064 shares
Ownership
10%
Form type
SCHEDULE 13G
Filing time
13 Nov 2025, 09:10:04 UTC
Date of event
30 Sep 2025
SEC
View on sec.gov

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Adage Capital Management, L.P. 10% 8,659,064 0 8,659,064 /s/ Robert Atchinson By: Adage Capital Partners LLC, its General Partner, By: Robert Atchinson, its Managing Member
Robert Atchinson 10% 8,659,064 0 8,659,064 /s/ Robert Atchinson Robert Atchinson, individually
Phillip Gross 10% 8,659,064 0 8,659,064 /s/ Phillip Gross Phillip Gross, individually