Filing Manager
WILLIAM P. SCULLY
Reporting Manager
SCULLY WILLIAM P
Symbol
PRTA
Shares outstanding
54.1M shares
Disclosed Ownership
5.35M shares
Ownership
9.9%
Form type
SCHEDULE 13G/A
Filing time
13 Aug 2025, 16:14:07 UTC
Date of event
30 Jun 2025
Previous filing
14 May 2025
Next filing
12 Nov 2025

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
SCULLY WILLIAM P 9.9% 5.35M 768K 4.58M /s/ Diana L. Hayes attorney-in-fact