Filing Manager
WILLIAM P. SCULLY
Reporting Manager
SCULLY WILLIAM P
Symbol
PRTA
Shares outstanding
53.9M shares
Disclosed Ownership
5.61M shares
Ownership
10.4%
Form type
SCHEDULE 13G/A
Filing time
14 May 2025, 10:34:49 UTC
Date of event
31 Mar 2025
Previous filing
21 Feb 2025
Next filing
13 Aug 2025

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
SCULLY WILLIAM P 10.4% 5.61M 794K 4.81M Diana L. Hayes By POA from William P. Scully