# Penstock Fund I LLC — Form D/A

Penstock Fund I LLC of SEATTLE, WA, a company, filed a Form D amendment with the SEC on 2026-02-18. The offering totals $100.0M. Industry: Other Real Estate.

## Offering

- Filed: 2026-02-18
- Form: D/A
- Accession: 0002002631-26-000001
- Industry: Other Real Estate
- Exemptions: 06c
- Total offering: $100.0M
- Remaining: $100.0M
- Minimum investment: $100K
- Security types: equity
- Revenue range: Decline to Disclose
- SEC file number: 021-499470

## Issuer

- Name: Penstock Fund I LLC
- CIK: 0002002631
- Entity type: Limited Liability Company
- Jurisdiction: DELAWARE
- Incorporated: 2023
- Address: 3302 FUHRMAN AVE E, SEATTLE, WA, 98102
- Phone: (206) 430-4387

## Officers, directors & promoters (11)

| Name | Role | Location |
| --- | --- | --- |
| Katherine Gieseke | Related Person | Seattle, WA |
| Michael Gieseke | Related Person | Seattle, WA |
| Michael Gieseke | Director | Seattle, WA |
| Michael Gieseke | Executive Officer | Seattle, WA |
| Michael Gieseke | Promoter | Seattle, WA |
| Eric Jordan | Director | Seattle, WA |
| Eric Jordan | Executive Officer | Seattle, WA |
| Eric Jordan | Promoter | Seattle, WA |
| Katherine Gieseke | Director | Seattle, WA |
| Katherine Gieseke | Executive Officer | Seattle, WA |
| Katherine Gieseke | Promoter | Seattle, WA |

## Other filings by this issuer (2)

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2024-12-11](https://search.stillhousedata.com/formd/0002002631-24-000001) | D/A | $100.0M | — |
| [2023-12-13](https://search.stillhousedata.com/formd/0002002631-23-000001) | D | $100.0M | — |

## More

- [CIK 2002631 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2002631&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0002002631-26-000001.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.