# Opus IX, a series of A Master Series, LLC — Form D

Opus IX, a series of A Master Series, LLC of MIAMI, FL, a pooled investment fund, filed a Form D exempt-offering notice with the SEC on 2026-04-17. Industry: Pooled Investment Fund.

## Offering

- Filed: 2026-04-17
- Form: D
- Accession: 0002113858-26-000007
- Industry: Pooled Investment Fund
- Exemptions: 06b,3C,3C.1
- Minimum investment: $1
- Security types: fund interests
- Revenue range: Decline to Disclose
- SEC file number: 021-580907

## Issuer

- Name: Opus IX, a series of A Master Series, LLC
- CIK: 0002113858
- Entity type: Limited Liability Company
- Jurisdiction: DELAWARE
- Address: 390 NE 191ST ST STE 17268, MIAMI, FL, 33179
- Phone: 7577847055

## Officers, directors & promoters (2)

| Name | Role | Location |
| --- | --- | --- |
| Bryan Casey | Related Person | Miami, FL |
| Corporation Alternative Financial | Related Person | Miami, FL |

## Other filings by this issuer (15)

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2026-04-20](https://search.stillhousedata.com/formd/0002113858-26-000016) | D | — | — |
| [2026-04-17](https://search.stillhousedata.com/formd/0002113858-26-000001) | D | — | — |
| [2026-04-17](https://search.stillhousedata.com/formd/0002113858-26-000002) | D | — | — |
| [2026-04-17](https://search.stillhousedata.com/formd/0002113858-26-000003) | D | — | — |
| [2026-04-17](https://search.stillhousedata.com/formd/0002113858-26-000004) | D | — | — |
| [2026-04-17](https://search.stillhousedata.com/formd/0002113858-26-000005) | D | — | — |
| [2026-04-17](https://search.stillhousedata.com/formd/0002113858-26-000006) | D | — | — |
| [2026-04-17](https://search.stillhousedata.com/formd/0002113858-26-000008) | D | — | — |
| [2026-04-17](https://search.stillhousedata.com/formd/0002113858-26-000009) | D | — | — |
| [2026-04-17](https://search.stillhousedata.com/formd/0002113858-26-000010) | D | — | — |
| [2026-04-17](https://search.stillhousedata.com/formd/0002113858-26-000011) | D | — | — |
| [2026-04-17](https://search.stillhousedata.com/formd/0002113858-26-000012) | D | — | — |
| [2026-04-17](https://search.stillhousedata.com/formd/0002113858-26-000013) | D | — | — |
| [2026-04-17](https://search.stillhousedata.com/formd/0002113858-26-000014) | D | — | — |
| [2026-04-17](https://search.stillhousedata.com/formd/0002113858-26-000015) | D | — | — |

## More

- [CIK 2113858 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2113858&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0002113858-26-000007.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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