Reporting Manager
Wellington Management Group LLP
Symbol
ISTR
Shares outstanding
9,866,490 shares
Disclosed Ownership
1,006,382 shares
Ownership
10%
Form type
SCHEDULE 13G
Filing time
05 Aug 2025, 13:44:38 UTC
Date of event
31 Jul 2025

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Wellington Management Group LLP 10% 1,006,382 0 1,006,382 Taisia Lowe Regulatory Analyst
Wellington Group Holdings LLP 10% 1,006,382 0 1,006,382 Taisia Lowe Regulatory Analyst
Wellington Investment Advisors Holdings LLP 10% 1,006,382 0 1,006,382 Taisia Lowe Regulatory Analyst
Wellington Management Company LLP 10% 1,006,382 0 1,006,382 Taisia Lowe Regulatory Analyst