Investor · Seattle, WA

Katherine Gieseke

Open Katherine in the network graph →

Filings

3

SEC Form D

Connections

3

co-filers

Capital

—

across filings

Active

Dec 2023

to Feb 2026

Most-connected co-filers (3)

Michael Gieseke · Seattle, WA3 shared Eric Jordan · Seattle, WA2 shared General Partner Gieseke · Seattle, WA1 shared

Recent filings (3)

Penstock Fund I LLCFeb 2026 · 1 co-filer$100.0M Penstock Fund I LLCDec 2024 · 3 co-filers$100.0M Penstock Fund I LLCDec 2023 · 2 co-filers$100.0M

Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Katherine in the interactive graph →