Investor · Mill Valley, CA

Martin Green

Open Martin in the network graph →

Filings

133

SEC Form D

Connections

217

co-filers

Capital

$227.5M

across filings

Active

Dec 2018

to Dec 2025

Most-connected co-filers (217)

Jay Posner · Mill Valley, CA47 shared Patrick T. Egan · New York, NY36 shared Mitchell S. Weiss · New York, NY36 shared Steven Ross · New York, NY36 shared Feta P. Zabeli · New York, NY36 shared Sean H. Mabarak · Dallas, TX36 shared Tunde A. Reddy · New York, NY36 shared Maureen T. O' Toole · New York, NY36 shared David J. Bickel · New York, NY36 shared Joseph E. Sumberg · New York, NY36 shared Tony Fenner-Leitao · Mill Valley, CA33 shared Lori D. Guasta · Centennial, CO26 shared Thomas Patton · Vancouver, British Columbia, Canada26 shared Michael E. Kite · Newport Beach, CA26 shared Matthew A. Graver · West Conshohocken, PA26 shared John R. Didone · Val Caron, Ontario, Canada26 shared Cambrian Asset Management Inc · Mill Valley, CA25 shared Cambrian Asset Management Inc · Mill Valley, CA25 shared Paul Douglass · Oak Brook, IL24 shared M. P. Martin · New York, NY24 shared Ilan Raab · RA'ANANA, L324 shared Joseph Moran · Santa Cruz, CA24 shared Warren Thomas · Pasadena, CA22 shared Joshua Ungerecht · Pasadena, CA22 shared

Recent filings (133)

Cambrian Core Blockchain Fund LPDec 2025 · 4 co-filers Cambrian Systematic Strategies LPDec 2025 · 4 co-filers Cambrian Systematic Strategies Ltd.Dec 2025 · 4 co-filers Cambrian Systematic Strategies Ltd.Mar 2025 · 4 co-filers Cambrian Systematic Strategies LPMar 2025 · 4 co-filers Cambrian Systematic Strategies Ltd.Feb 2025 · 4 co-filers Cambrian Systematic Strategies LPFeb 2025 · 4 co-filers Cambrian Systematic Strategies LPDec 2024 · 5 co-filers Cambrian Systematic Strategies Ltd.Dec 2024 · 5 co-filers Cambrian Core Blockchain Fund LPDec 2024 · 5 co-filers Cambrian Core Blockchain Fund LPDec 2023 · 4 co-filers Cambrian Systematic Strategies Ltd.Dec 2023 · 4 co-filers Cambrian Systematic Strategies LPDec 2023 · 4 co-filers Cambrian Core Blockchain Fund LPJan 2023 · 4 co-filers Cambrian Systematic Strategies Ltd.Dec 2022 · 4 co-filers Cambrian Systematic Strategies LPDec 2022 · 4 co-filers Cambrian Bitcoin Systematic TrustSep 2022 · 12 co-filers Cambrian Ethereum Systematic TrustSep 2022 · 12 co-filers Cambrian Core Blockchain Fund LPSep 2022 · 4 co-filers Cambrian Systematic Strategies Ltd.Sep 2022 · 4 co-filers Cambrian Systematic Strategies LPSep 2022 · 4 co-filers Billy Jack's Pizza Pub, Inc.Apr 2022 · 13 co-filers$2.5M Nebraska Owner's Insurance Agency, Inc.Feb 2022 · 13 co-filers$10.0M Cambrian Core Blockchain Fund LPSep 2021 · 4 co-filers Cambrian Bitcoin Systematic TrustSep 2021 · 12 co-filers

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