# Aufbau Holdings Ltd — Form D

Aufbau Holdings Ltd of DUBLIN 2, L2, a company, filed a Form D exempt-offering notice with the SEC on 2025-04-25. The offering totals $20.0M, of which $6.1M was reported sold. Industry: Biotechnology.

## Offering

- Filed: 2025-04-25
- Form: D
- Accession: 0001788081-25-000002
- Industry: Biotechnology
- Exemptions: 06b
- Total offering: $20.0M
- Amount sold: $6.1M
- Remaining: $13.9M
- Investors: 8
- Date of first sale: 2025-04-11
- Security types: equity
- Revenue range: Decline to Disclose
- SEC file number: 021-544487

## Issuer

- Name: Aufbau Holdings Ltd
- CIK: 0001788081
- Entity type: Corporation
- Jurisdiction: IRELAND
- Incorporated: 2019
- Address: PALMERSTON HOUSE, DUBLIN 2, L2, D02 WD37
- Phone: 612-325-7192

## Officers, directors & promoters (10)

| Name | Role | Location |
| --- | --- | --- |
| John Irwin | Director | New York, NY |
| James Mitchell | Director | Norwell, MA |
| John TG Pena | Director | New York, NY |
| H. Lawrence Remmel | Director | New York, NY |
| Bruce R Thaw | Director | Massapequa, NY |
| Robert C Hazlett | Executive Officer | New York, NY |
| James Mitchell | Executive Officer | Norwell, MA |
| John TG Pena | Executive Officer | New York, NY |
| Chairatch C Phrompechrut | Executive Officer | New York, NY |
| Wayne Merkelson | Executive Officer | Research Triangle Park, NC |

## Other filings by this issuer (3)

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2023-11-15](https://search.stillhousedata.com/formd/0001788081-23-000001) | D | $8.0M | $1.1M |
| [2021-04-27](https://search.stillhousedata.com/formd/0001788081-21-000001) | D | — | $5.5M |
| [2019-09-13](https://search.stillhousedata.com/formd/0001788081-19-000001) | D | — | $1.1M |

## More

- [CIK 1788081 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1788081&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0001788081-25-000002.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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