# Research Apartment Development Partners, LLC — Form D

Research Apartment Development Partners, LLC of MILWAUKEE, WI, a company, filed a Form D exempt-offering notice with the SEC on 2026-03-24. The offering totals $20.0M, of which $5.7M was reported sold. Industry: Commercial.

## Offering

- Filed: 2026-03-24
- Form: D
- Accession: 0002122785-26-000001
- Industry: Commercial
- Exemptions: 06b
- Total offering: $20.0M
- Amount sold: $5.7M
- Remaining: $14.3M
- Minimum investment: $100K
- Investors: 28
- Date of first sale: 2026-02-08
- Security types: equity
- Revenue range: Decline to Disclose
- SEC file number: 021-577535

## Issuer

- Name: Research Apartment Development Partners, LLC
- CIK: 0002122785
- Entity type: Limited Liability Company
- Jurisdiction: DELAWARE
- Incorporated: 2021
- Address: 1401 DISCOVERY PARKWAY, MILWAUKEE, WI, 53226
- Phone: 4144430700

## Officers, directors & promoters (15)

| Name | Role | Location |
| --- | --- | --- |
| Kristen Anne Irgens | Director | Milwaukee, WI |
| Mark Irgens | Director | Milwaukee, WI |
| Thomas Anne Irgens | Director | Milwaukee, WI |
| Duane Anne Nolde | Director | Milwaukee, WI |
| Kristen Anne Irgens | Executive Officer | Milwaukee, WI |
| Mark Irgens | Executive Officer | Milwaukee, WI |
| Thomas Anne Irgens | Executive Officer | Milwaukee, WI |
| Duane Anne Nolde | Executive Officer | Milwaukee, WI |
| Development Partners, LLC IDP Research Apartment | Promoter | Milwaukee, WI |
| Kristen Anne Irgens | Promoter | Milwaukee, WI |
| Mark Irgens | Promoter | Milwaukee, WI |
| Partners, LLC Irgens | Promoter | Milwaukee, WI |
| Thomas Anne Irgens | Promoter | Milwaukee, WI |
| Rick Anne Nelson | Promoter | Milwaukee, WI |
| Duane Anne Nolde | Promoter | Milwaukee, WI |

## More

- [CIK 2122785 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2122785&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0002122785-26-000001.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

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.