Reporting Manager
Wellington Management Group LLP
Symbol
ATRC
Shares outstanding
49,615,863 shares
Disclosed Ownership
3,969,269 shares
Ownership
8%
Form type
SCHEDULE 13G
Filing time
12 Aug 2025, 10:34:24 UTC
Date of event
30 Jun 2025

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Wellington Management Group LLP 8% 3,969,269 0 2,342,505 Taisia Lowe Regulatory Analyst
Wellington Group Holdings LLP 8% 3,969,269 0 2,342,505 Taisia Lowe Regulatory Analyst
Wellington Investment Advisors Holdings LLP 8% 3,969,269 0 2,342,505 Taisia Lowe Regulatory Analyst
Wellington Management Company LLP 6.8% 3,969,269 0 2,342,505 Taisia Lowe Regulatory Analyst