Filing Manager
PH HSIAO JANE
Reporting Manager
HSIAO JANE PH D
Symbol
OPK
Shares outstanding
792,828,533 shares
Disclosed Ownership
35,677,284 shares
Ownership
4.5%
Form type
SCHEDULE 13D/A
Filing time
03 Apr 2025, 17:21:01 UTC
Date of event
02 Apr 2025

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
HSIAO JANE PH D 4.5% 35,677,284 35,677,284 0 /s/ Jane H. Hsiao, Ph.D. Jane H. Hsiao, Ph.D., Individually 0001188834
Hsu Gamma Investments, LP 0.7% 5,127,404 5,127,404 0 /s/ Jane H. Hsiao, Ph.D. Jane H. Hsiao, Ph.D., General Partner