# SBB Research Group Investors I LLC — Form D/A

SBB Research Group Investors I LLC of NORTHBROOK, IL, a pooled investment fund, filed a Form D amendment with the SEC on 2025-08-13. $90.0M was reported sold. Industry: Pooled Investment Fund.

## Offering

- Filed: 2025-08-13
- Form: D/A
- Accession: 0001581240-25-000002
- Industry: Pooled Investment Fund
- Exemptions: 06b, 3C, 3C.1
- Amount sold: $90.0M
- Minimum investment: $1.0M
- Investors: 1
- Date of first sale: 2011-02-14
- Security types: fund interests
- SEC file number: 021-200337

## Issuer

- Name: SBB Research Group Investors I LLC
- CIK: 0001581240
- Entity type: Limited Liability Company
- Jurisdiction: ILLINOIS
- Incorporated: 2010
- Address: 450 SKOKIE BOULEVARD, NORTHBROOK, IL, 60062
- Phone: 847-656-1111

## Officers, directors & promoters (18)

| Name | Role | Location |
| --- | --- | --- |
| MATTHEW Lawrence AVEN | Director | Northbrook, IL |
| Sam Benjamin Barnett | Director | Northbrook, IL |
| MATTHEW Lawrence AVEN | Executive Officer | Northbrook, IL |
| Sam Benjamin Barnett | Executive Officer | Northbrook, IL |
| Brad Alan Greenstein | Executive Officer | Northbrook, IL |
| Sandeep D Navalgund | Executive Officer | Northbrook, IL |
| MATTHEW Lawrence AVEN | Promoter | Northbrook, IL |
| Sam Benjamin Barnett | Promoter | Northbrook, IL |
| N/A SBB Research Group LLC | Promoter | Northbrook, IL |
| Brad Alan Greenstein | Related Person | Northbrook, IL |
| Sandeep D Navalgund | Related Person | Northbrook, IL |
| MATTHEW Lawrence AVEN | Related Person | Northbrook, IL |
| N/A SBB Research Group LLC | Related Person | Northbrook, IL |
| Sam Benjamin Barnett | Related Person | Northbrook, IL |
| Sam Barnett | Executive Officer | Northbrook, IL |
| \* SBB Research Group LLC | Executive Officer | NORTHBROOK, IL |
| Michael S Chick | Executive Officer | Northbrook, IL |
| Michael S Chick | Related Person | Northbrook, IL |

## Other filings by this issuer (3)

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2026-02-20](https://search.stillhousedata.com/formd/0001581240-26-000003) | D/A | — | $181.2M |
| [2026-02-19](https://search.stillhousedata.com/formd/0001581240-26-000002) | D/A | — | $181.2M |
| [2013-07-26](https://search.stillhousedata.com/formd/0001581240-13-000001) | D | $20.0M | $20.0M |

## More

- [CIK 1581240 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1581240&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0001581240-25-000002.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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