Form
SCHEDULE 13D/A
Active or control-oriented beneficial ownership filing.
Riverstyx Capital Management LLC - 24 Apr 2025 SCHEDULE 13D/A Report for CHARLES & COLVARD LTD Common Stock (CTHR)
- Filing manager
- Riverstyx Capital Management LLC
- Reporting owner
- Ben Franklin
- Security
- CHARLES & COLVARD LTD Common Stock
- Beneficially owned shares
- 232,206 shares
- Large-stake signal
-
Ownership
7.4%Beneficial ownership of this reported class.
Shares
232,206 sharesShares beneficially owned as disclosed.
Event date
24 Apr 2025Date tied to the ownership event or amendment.
Accepted by SEC
16 Jul 2025EDGAR acceptance date.
How to read this large-stake filing
- Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
- Compare this filing with the holder history and issuer page before treating the percentage as a current position.
- Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
- Class ownership
- 7.4%
- Symbol
- CTHR
- Shares outstanding
- 3,137,919 shares
- SEC form
- SCHEDULE 13D/A
- Accepted by SEC
- 16 Jul 2025, 20:10:52 UTC
- Event date
- 24 Apr 2025
- Next SEC filing
- 24 Sep 2025
- Source filing
- View source filing
Ownership signal
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Subject security
Names, identifiers, and filing context for this profile.
2 source fields
Source evidence
Original filing metadata and source links for verification.
5 source fields
Key filing fact
Riverstyx Capital Management LLC disclosed 7.4% ownership in CHARLES & COLVARD LTD Common Stock (CTHR) on 24 Apr 2025.
Key facts
- Riverstyx Capital Management LLC filed SCHEDULE 13D/A for CHARLES & COLVARD LTD Common Stock (CTHR).
- Disclosed ownership: 7.4%.
- Date of event: 24 Apr 2025.
Change
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 16 Jul 2025, 20:10.
Research use
- This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
- Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.
Evidence
Backed by Schedule 13D/13G
View source filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Disclosed reporting parties (4)
Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| Name | Ownership | Shares owned | Sole voting power | Shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Riverstyx Capital Management LLC | 7.4% | 232,106 | 0 | 232,106 | Ben Franklin | Manager of its GP | 0002015561 |
| The Riverstyx Fund, LP | 7.4% | 232,106 | 0 | 232,106 | Ben Franklin | Manager | |
| Riverstyx Fund, GP | 7.4% | 232,106 | 0 | 232,106 | Ben Franklin | Manager | |
| Ben Franklin | 7.4% | 232,206 | 100 | 232,106 | Ben Franklin | Ben Franklin |
CIK / CUSIP context first