Wellington Management Group Llp - Aug 29, 2025 SCHEDULE 13G/A Report for MNTN, Inc. Common Stock (MNTN)

Filing Manager
WELLINGTON MANAGEMENT GROUP LLP
Reporting Manager
Wellington Management Group LLP
Security
MNTN, Inc. Common Stock
Symbol
MNTN
Shares outstanding
43.8M shares
Disclosed Ownership
5.16M shares
Ownership
11.8%
Form type
SCHEDULE 13G/A
Date filed
9/8/2025, 10:09 AM
Date of event
Aug 29, 2025
Previous filing
Aug 12, 2025
SEC
View on sec.gov

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Wellington Management Group LLP 11.8% 5.16M 0 4.09M Taisia Lowe Regulatory Analyst
Wellington Group Holdings LLP 11.8% 5.16M 0 4.09M Taisia Lowe Regulatory Analyst
Wellington Investment Advisors Holdings LLP 11.8% 5.16M 0 4.09M Taisia Lowe Regulatory Analyst
Wellington Management Company LLP 10.9% 5.16M 0 4.08M Taisia Lowe Regulatory Analyst