SCHEDULE 13G/A

Compass Diversified Holdings

Common Stock · CUSIP: 20451Q104

Event date: 2025-09-30

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• American Century Capital Portfolios, Inc.

  Shares: 3,265,000.00 · Class: 4.3%

• American Century Investment Management, Inc.

  Shares: 4,957,634.00 · Class: 6.6%

• American Century Companies, Inc.

  Shares: 4,957,634.00 · Class: 6.6%

• Stowers Institute for Medical Research

  Shares: 4,957,634.00 · Class: 6.6%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.