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

SBB Research Group Polysight I LLC of NORTHBROOK, IL, a pooled investment fund, filed a Form D amendment with the SEC on 2020-09-15. $116.7M was reported sold. Industry: Pooled Investment Fund.

## Offering

- Filed: 2020-09-15
- Form: D/A
- Accession: 0001581246-20-000003
- Industry: Pooled Investment Fund
- Exemptions: 06b, 3C, 3C.1
- Amount sold: $116.7M
- Investors: 53
- Date of first sale: 2014-06-02
- Security types: equity, fund interests
- SEC file number: 021-219319

## Issuer

- Name: SBB Research Group Polysight I LLC
- CIK: 0001610812
- Entity type: Limited Liability Company
- Jurisdiction: ILLINOIS
- Incorporated: 2014
- Address: 450 SKOKIE BOULEVARD, NORTHBROOK, IL, 60062
- Phone: (847) 656-1111

## Officers, directors & promoters (34)

_Showing 25 of 34 people._

| Name | Role | Location |
| --- | --- | --- |
| Brad Alan Greenstein | Director | Northbrook, IL |
| Brad Alan Greenstein | Executive Officer | Northbrook, IL |
| Brad Alan Greenstein | Related Person | Northbrook, IL |
| Sandeep D Navalgund | Director | Northbrook, IL |
| Sandeep D Navalgund | Executive Officer | Northbrook, IL |
| Sandeep D Navalgund | Related Person | Northbrook, IL |
| MATTHEW Lawrence AVEN | Director | Northbrook, IL |
| MATTHEW Lawrence AVEN | Executive Officer | Northbrook, IL |
| MATTHEW Lawrence AVEN | Promoter | Northbrook, IL |
| MATTHEW Lawrence AVEN | Related Person | Northbrook, IL |
| SAMUEL BENJAMIN BARNETT | Director | NORTHBROOK, IL |
| SAMUEL BENJAMIN BARNETT | Executive Officer | NORTHBROOK, IL |
| SAMUEL BENJAMIN BARNETT | Promoter | NORTHBROOK, IL |
| SAMUEL BENJAMIN BARNETT | Related Person | NORTHBROOK, IL |
| N/A SBB Research Group LLC | Executive Officer | Northbrook, IL |
| N/A SBB Research Group LLC | Promoter | Northbrook, IL |
| N/A SBB Research Group LLC | Related Person | Northbrook, IL |
| Walter M Kelly | Director | Northbrook, IL |
| Walter M Kelly | Executive Officer | Northbrook, IL |
| Sam Barnett | Director | Northbrook, IL |
| Sam Barnett | Executive Officer | Northbrook, IL |
| Sam Barnett | Promoter | Northbrook, IL |
| \* SBB Research Group LLC | Director | NORTHBROOK, IL |
| \* SBB Research Group LLC | Executive Officer | NORTHBROOK, IL |
| MATTHEW AVEN | Director | NORTHBROOK, IL |

## Other filings by this issuer (14)

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2026-02-19](https://search.stillhousedata.com/formd/0001610812-26-000001) | D/A | — | $365.6M |
| [2025-09-25](https://search.stillhousedata.com/formd/0001610812-25-000003) | D/A | — | $354.4M |
| [2025-02-20](https://search.stillhousedata.com/formd/0001610812-25-000001) | D/A | — | $402.6M |
| [2024-02-21](https://search.stillhousedata.com/formd/0001610812-24-000001) | D/A | — | $326.5M |
| [2023-02-24](https://search.stillhousedata.com/formd/0001610812-23-000001) | D/A | — | $315.7M |
| [2022-03-04](https://search.stillhousedata.com/formd/0001610812-22-000001) | D/A | — | $154.4M |
| [2021-09-13](https://search.stillhousedata.com/formd/0001610812-21-000002) | D/A | — | $139.9M |
| [2019-09-19](https://search.stillhousedata.com/formd/0001581246-19-000002) | D/A | — | $88.1M |
| [2018-09-19](https://search.stillhousedata.com/formd/0001610812-18-000001) | D/A | — | $78.8M |
| [2017-09-20](https://search.stillhousedata.com/formd/0001610812-17-000001) | D/A | — | $62.6M |
| [2016-09-26](https://search.stillhousedata.com/formd/0001610812-16-000005) | D/A | — | $60.9M |
| [2015-08-18](https://search.stillhousedata.com/formd/0001398344-15-005408) | D/A | — | $42.0M |
| [2014-08-20](https://search.stillhousedata.com/formd/0001610812-14-000002) | D/A | $40.0M | $33.5M |
| [2014-06-17](https://search.stillhousedata.com/formd/0001610812-14-000001) | D | $30.0M | $20.3M |

## More

- [CIK 1610812 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1610812&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0001581246-20-000003.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.