Reporting Manager
Adage Capital Management, L.P.
Symbol
KTTA
Shares outstanding
23,320,811 shares
Disclosed Ownership
2,329,749 shares
Ownership
10%
Form type
SCHEDULE 13G
Filing time
12 Feb 2026, 09:01:43 UTC
Date of event
31 Dec 2025

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Adage Capital Management, L.P. 10% 2,329,749 0 2,329,749 /s/ Robert Atchinson By: Adage Capital Partners LLC, its General Partner, By: Robert Atchinson, its Managing Member
Robert Atchinson 10% 2,329,749 0 2,329,749 /s/ Robert Atchinson Robert Atchinson, individually
Phillip Gross 10% 2,329,749 0 2,329,749 /s/ Phillip Gross Phillip Gross, individually