---
title: "Prologis Keystone BTS Sub REIT 1 LLC SEC filings"
url: https://altstreet.investments/edgar/2105616
kind: edgar-entity
updated: 2026-07-31
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.
---

# Prologis Keystone BTS Sub REIT 1 LLC: SEC filings and what they report

Prologis Keystone BTS Sub REIT 1 LLC is a Delaware-based real estate pooled investment fund that filed under Rule 506(b) and exemption 3(c) on January 22, 2026. The entity has raised $500,000 from 125 investors with a $4,000 minimum investment. Directors include Kim Bertolini-Bosga, Anita Joarder, and Jake Thibeault.

| Field | Value |
| --- | --- |
| Entity | Prologis Keystone BTS Sub REIT 1 LLC |
| CIK | 2105616 |
| Filing family | 506(b), 3(c) |
| Entity type | single deal spv |
| Manager (as filed) | Prologis |
| Platform | Prologis Keystone BTS Sub REIT 1 LLC (https://altstreet.investments/platforms/prologis-keystone-bts-sub-reit-1-llc) |
| Newest fact-bearing filing | January 22, 2026, accession 0002105616-26-000003 |
| Total offering amount (as filed) | $500,000 |
| Total sold (as reported) | $500,000 |
| Investors (as reported) | 125 |
| Minimum investment (as filed) | $4,000 |
| Vintage | 2026 |

## Related persons (Form D Item 3)

| Name | Relationship |
| --- | --- |
| Kim Bertolini-Bosga | Director |
| Anita Joarder | Director |
| Jake Thibeault | Director |


## Filings (1 on record, newest first)

| Date | Form | Family | SEC link |
| --- | --- | --- | --- |
| January 22, 2026 | D | Form D | https://www.sec.gov/Archives/edgar/data/2105616/000210561626000003/ |


## More

- Entity page (HTML, with events, parties and the platform record): https://altstreet.investments/edgar/2105616
- SEC EDGAR filing index: https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0002105616&owner=include&count=40
- Other issuers on Prologis Keystone BTS Sub REIT 1 LLC: https://altstreet.investments/deals/platform/prologis-keystone-bts-sub-reit-1-llc
- 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/2105616
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.