Reporting Manager
Rubric Capital Management LP
Symbol
MGTX
Shares outstanding
78,168,747 shares
Disclosed Ownership
6,175,331 shares
Ownership
7.9%
Form type
SCHEDULE 13G
Filing time
13 Feb 2026, 16:15:15 UTC
Date of event
31 Dec 2025

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Rubric Capital Management LP 7.9% 6,175,331 0 6,175,331 /s/ Michael Nachmani Michael Nachmani / Chief Operating Officer
David Rosen 7.9% 6,175,331 0 6,175,331 /s/ David Rosen David Rosen / Individually