Investor · San Francisco, CA

Martin Rosenzweig

Open Martin in the network graph →

Filings

13

SEC Form D

Connections

108

co-filers

Capital

$12.5M

across filings

Active

Feb 2023

to Dec 2025

Most-connected co-filers (108)

Michael N. Balmuth · Boston, MA7 shared Gregory Wright · AUSTIN, TX7 shared Mike Stapleton · San Francisco, CA7 shared Blake P. Conner · Miami, FL6 shared David Hart · New York, NY6 shared Theodore N. Geisler · Phoenix, AZ6 shared Amber R. Ramsey · George Town, Grand Cayman, Cayman Islands6 shared Allen Parker · New York, NY6 shared Paula J. Sims · Phoenix, AZ6 shared Thomas P. Walsh · Saddle River, NJ6 shared Glynis A. Bryan · Phoenix, AZ6 shared Wade D. Norris · Great Falls, VA6 shared Brian Greenfield · Boston, MA6 shared Elizabeth A. Blankenship · Phoenix, AZ6 shared Petrus J. Pretorius · Tzaneen, T36 shared Richard P. Fox · Phoenix, AZ6 shared William H. Spence · Phoenix, AZ6 shared Tzafrir Shahar · Walnut, CA6 shared Andrew D. Cooper · Phoenix, AZ6 shared Marc S. Lipschultz · NEW YORK, NY6 shared ALE Capital LLC · Dublin, OH6 shared Jianming Ma · Grand Cayman, Cayman Islands6 shared Ham K. Serunjogi · Menlo Park, CA6 shared Richard Willis · New York, NY6 shared

Recent filings (13)

PINNACLE WEST CAPITAL CORPDec 2025 · 48 co-filers Delta Parent Holdings, Inc.Mar 2025 · 43 co-filers Ria Technology Management Inc.Feb 2025 · 23 co-filers$6.5M Ria Technology Management Inc.Feb 2025 · 23 co-filers$6.5M PINNACLE WEST CAPITAL CORPJan 2025 · 57 co-filers Ria Technology Management Inc.Jan 2025 · 23 co-filers$6.0M Ria Technology Management Inc.Jan 2025 · 23 co-filers$6.0M Delta Parent Holdings, Inc.Jan 2025 · 43 co-filers Pacaso Growth III LLCApr 2024 · 8 co-filers$15.0M PINNACLE WEST CAPITAL CORPJan 2024 · 51 co-filers Pacaso Growth II LLCApr 2023 · 8 co-filers$30.0M Pacaso Growth LLCMar 2023 · 8 co-filers$15.0M PINNACLE WEST CAPITAL CORPMar 2023 · 58 co-filers PINNACLE WEST CAPITAL CORPMar 2023 · 58 co-filers PINNACLE WEST CAPITAL CORPFeb 2023 · 55 co-filers

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