Reporting Manager
BVF PARTNERS L P/IL
Symbol
PTGX
Shares outstanding
62.5M shares
Disclosed Ownership
2.56M shares
Ownership
4.1%
Form type
SCHEDULE 13G/A
Filing time
14 Nov 2025, 16:17:42 UTC
Date of event
30 Sep 2025
Previous filing
16 Jun 2025

Reporting Managers (10)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
BIOTECHNOLOGY VALUE FUND L P 2.1% 1.32M 0 1.32M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF I GP LLC 2.1% 1.32M 0 1.32M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BIOTECHNOLOGY VALUE FUND II LP 1.7% 1.05M 0 1.05M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF II GP LLC 1.7% 1.05M 0 1.05M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
Biotechnology Value Trading Fund OS LP 0.2% 141K 0 141K /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF Partners OS Ltd. 0.2% 141K 0 141K /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF GP HOLDINGS LLC 3.8% 2.37M 0 2.37M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF PARTNERS L P/IL 4.1% 2.56M 0 2.56M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF INC/IL 4.1% 2.56M 0 2.56M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
LAMPERT MARK N 4.1% 2.56M 0 2.56M /s/ Mark N. Lampert Mark N. Lampert