Filing Manager
Fennell Todd W.
Reporting Manager
Fennell Todd W.
Symbol
PRTA
Shares outstanding
53.7M shares
Disclosed Ownership
4.35M shares
Ownership
8.1%
Form type
SCHEDULE 13G/A
Filing time
13 Aug 2025, 16:00:30 UTC
Date of event
30 Jun 2025
Previous filing
15 May 2025
Next filing
12 Nov 2025

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Fennell Todd W. 8.1% 4.35M 0 4.35M /s/ Diana L. Hayes attorney-in-fact