Investor · San Francisco, CA

Mark D. Michael

Open Mark in the network graph →

Filings

8

SEC Form D

Connections

18

co-filers

Capital

—

across filings

Active

Jan 2009

to Feb 2026

Most-connected co-filers (18)

N. D. Hoover · San Francisco, CA8 shared Richard B. Black · Sugar Land, TX4 shared William H. Yeh · Sugar Land, TX4 shared Ming-Hwa B. Liang · Stony Brook, NY4 shared Sanford R. Simon · STONY BROOK, NY4 shared Chih-Hsiang Lin · Sugar Land, TX4 shared Michael Stanley · San Francisco, CA4 shared Kurt H. Jensen · Stony Brook, NY4 shared Bruce Nollenberger · Mill Valley, CA4 shared Douglas Heske · San Francisco, CA4 shared Harry W. Kellog, Jr · San Francisco, CA4 shared Jaideep Balekar · Cincinnati, OH3 shared Chia-Hsun Hsieh · LOVELAND, OH3 shared Brian Coyle · LOVELAND, OH1 shared Andrew Crawford · Wilmington, DE1 shared Jay Balekar · LOVELAND, OH1 shared Daniel Hume · New York, NY1 shared Anthony Mirabile · New York, NY1 shared

Recent filings (8)

Cypress Way Holdings, LLCFeb 2026 · 3 co-filers$1.0M Batavia Investment Holdings, LLCFeb 2026 · 5 co-filers$1.3M Washington McGregor Holdings, LLCFeb 2026 · 3 co-filers$900K Amberley House Holdings LLCDec 2025 · 7 co-filers$4.2M NOLLENBERGER CAPITAL PARTNERS INCJan 2010 · 11 co-filers$182K NOLLENBERGER CAPITAL PARTNERS INCSep 2009 · 11 co-filers$1.5M NOLLENBERGER CAPITAL PARTNERS INCJun 2009 · 11 co-filers NOLLENBERGER CAPITAL PARTNERS INCJan 2009 · 11 co-filers

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