---
title: "BANG Density Investors AI 4 LLC SEC filings"
url: https://altstreet.investments/edgar/2152459
kind: edgar-entity
updated: 2026-10-16
publisher: AltStreet (https://altstreet.investments)
license: Public factual pages may be read, quoted and cited with attribution and a link. Bulk redistribution is not permitted.
---

# BANG Density Investors AI 4 LLC: SEC filings and what they report

BANG Density Investors AI 4 LLC is a Delaware-organized pooled investment fund that filed a Form D on 2026-10-14 under Rule 506(b) and the Section 3(c)(1) exemption, reporting $598K raised from 29 investors. No minimum investment is disclosed on the filing, and no first sale date is reported. This entity does not match any known platform in the AltStreet database and has no identified sibling vehicles at this time.

| Field | Value |
| --- | --- |
| Entity | BANG Density Investors AI 4 LLC |
| CIK | 2152459 |
| Filing family | 506(b), 3(c)(1) |
| Entity type | fund vehicle |
| Manager (as filed) | BANG Density Investors |
| Newest fact-bearing filing | October 14, 2026, accession 0001231919-26-001446 |
| Total sold (as reported) | $597,832 |
| Investors (as reported) | 29 |
| Vintage | 2026 |

## Related persons (Form D Item 3)

| Name | Relationship |
| --- | --- |
| N/A NextGen Venture Partners, LLC | Executive Officer |
| Michael Hankin | Executive Officer |
| William White | Executive Officer |
| Logie Fitzwilliams | Executive Officer |


## Filings (1 on record, newest first)

| Date | Form | Family | SEC link |
| --- | --- | --- | --- |
| October 14, 2026 | D | Form D | https://www.sec.gov/Archives/edgar/data/2152459/000123191926001446/ |


## More

- Entity page (HTML, with events, parties and the platform record): https://altstreet.investments/edgar/2152459
- SEC EDGAR filing index: https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0002152459&owner=include&count=40
- Signal history, evidence passages and the entity graph are AltStreet Terminal features: https://altstreet.investments/terminal

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Source page: https://altstreet.investments/edgar/2152459
Machine index: https://altstreet.investments/llms.txt
AltStreet reads what platforms, funds and issuers file with the SEC and what they tell investors, and publishes the difference. Figures are as filed or as captured on the date stated; nothing here is investment advice.