Investor · San Francisco, CA

Douglas Heske

Open Douglas in the network graph →

Filings

6

SEC Form D

Connections

28

co-filers

Capital

—

across filings

Active

Jan 2009

to Feb 2026

Most-connected co-filers (28)

Bruce Nollenberger · Mill Valley, CA6 shared Ming-Hwa B. Liang · Stony Brook, NY4 shared Mark D. Michael · San Francisco, CA4 shared Harry W. Kellog, Jr · San Francisco, CA4 shared Michael Stanley · San Francisco, CA4 shared Kurt H. Jensen · Stony Brook, NY4 shared Chih-Hsiang Lin · Sugar Land, TX4 shared Richard B. Black · Sugar Land, TX4 shared William H. Yeh · Sugar Land, TX4 shared N. D. Hoover · San Francisco, CA4 shared Sanford R. Simon · STONY BROOK, NY4 shared Talle A. Voorhies · Santa Ana, CA2 shared Eldon Haacke · Park City, UT2 shared Christopher K. Brenner · Greenwood Village, CO2 shared Jeri J. Harman · LOS ANGELES, CA2 shared Jeffrey T. Hanson · Santa Ana, CA2 shared Kent Peters · Santa Ana, CA2 shared Jared T. Muenzer · Atlanta, GA1 shared Ruth Fowler · Atlanta, GA1 shared Kelly Maller · Atlanta, GA1 shared Ron Frieson · Atlanta, GA1 shared Jim Thomsen · Atlanta, GA1 shared Gregory F. Flynn · San Francisco, CA1 shared Michael Garcia-Roig · Atlanta, GA1 shared

Recent filings (6)

CHILDRENS HEALTHCARE OF ATLANTA SURGERY CENTER AT MERIDIAN MARK PLAZA, LLCFeb 2026 · 8 co-filers$742K CHILDRENS HEALTHCARE OF ATLANTA SURGERY CENTER AT MERIDIAN MARK PLAZA, LLCDec 2025 · 24 co-filers$742K 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 Douglas in the interactive graph →