Reporting Manager
DRIEHAUS CAPITAL MANAGEMENT LLC
Symbol
PTN
Shares outstanding
1,702,891 shares
Disclosed Ownership
166,713 shares
Ownership
9.8%
Form type
SCHEDULE 13G
Filing time
17 Feb 2026, 09:25:10 UTC
Date of event
31 Dec 2025

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
DRIEHAUS CAPITAL MANAGEMENT LLC 9.8% 166,713 0 166,713 Janet McWilliams Janet McWilliams/General Counsel