Reporting Manager
Wellington Management Group LLP
Symbol
ISTR
Shares outstanding
9.87M shares
Disclosed Ownership
1.01M shares
Ownership
10.2%
Form type
SCHEDULE 13G
Date filed
8/5/2025, 01:44 PM
Date of event
Jul 31, 2025

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Wellington Management Group LLP 10.2% 1.01M 0 1.01M Taisia Lowe Regulatory Analyst
Wellington Group Holdings LLP 10.2% 1.01M 0 1.01M Taisia Lowe Regulatory Analyst
Wellington Investment Advisors Holdings LLP 10.2% 1.01M 0 1.01M Taisia Lowe Regulatory Analyst
Wellington Management Company LLP 10.2% 1.01M 0 1.01M Taisia Lowe Regulatory Analyst