SCHEDULE 13D/A

CHARLES & COLVARD LTD

Common Stock · CUSIP: 159765205

Event date: 2025-09-23

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

• Riverstyx Capital Management LLCReported CIK 0002015561

  Shares: 532,216.00 · Class: 11.9%

• The Riverstyx Fund, LP

  Shares: 532,216.00 · Class: 11.9%

• Riverstyx Fund, GP

  Shares: 532,216.00 · Class: 11.9%

• Ben Franklin

  Shares: 532,216.00 · Class: 11.9%

• Pham Duc HoangReported CIK 0002079212

  Shares: 532,216.00 · Class: 11.9%

• Michael R. Levin

  Shares: 532,216.00 · Class: 11.9%

• Lloyd M. Sems

  Shares: 532,216.00 · Class: 11.9%

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