Reporting Manager
BVF PARTNERS L P/IL
Symbol
KYMR
Shares outstanding
80,797,753 shares
Disclosed Ownership
6,867,809 shares
Ownership
8.5%
Form type
SCHEDULE 13D/A
Filing time
15 Dec 2025, 18:07:48 UTC
Date of event
11 Dec 2025

Reporting Managers (11)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
BIOTECHNOLOGY VALUE FUND L P 4.4% 3,550,766 0 3,550,766 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0000918923
BVF I GP LLC 4.4% 3,550,766 0 3,550,766 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0001803805
BIOTECHNOLOGY VALUE FUND II LP 3.4% 2,752,456 0 2,752,456 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0001102444
BVF II GP LLC 3.4% 2,752,456 0 2,752,456 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0001803806
Biotechnology Value Trading Fund OS LP 0.5% 406,145 0 406,145 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0001660683
BVF Partners OS Ltd. 0.5% 406,145 0 406,145 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0001660684
BVF GP HOLDINGS LLC 7.8% 6,303,222 0 6,303,222 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0001803809
BVF PARTNERS L P/IL 8.5% 6,867,809 0 6,867,809 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0001055947
BVF INC/IL 8.5% 6,867,809 0 6,867,809 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0001056807
LAMPERT MARK N 8.5% 6,867,809 0 6,867,809 /s/ Mark N. Lampert Mark N. Lampert 0001233840
Hrustanovic Gorjan 0.1% 100,190 100,190 0 /s/ Gorjan Hrustanovic Gorjan Hrustanovic 0001821194