Investor · South San Francisco, CA

Steve Burrill

Open Steve in the network graph →

Filings

5

SEC Form D

Connections

22

co-filers

Capital

—

across filings

Active

Dec 2008

to Jul 2025

Most-connected co-filers (22)

Edwin Madison · South San Francisco, CA4 shared J. D. Rogers · Greenwich, CT3 shared Steven L. Williamson · New York, NY3 shared Todd Hodnett · Fort Worth, TX3 shared Bernardo Rieber · AVENTURA, FL3 shared David N. Samuel · Mill Valley, CA3 shared James K. Robertson · North Andover, MA3 shared Gary Claar · New York, NY3 shared Paul W. White · North Andover, MA3 shared Barry Selick · South San Francisco, CA2 shared Shawn Smith · Fort Worth, TX2 shared Lungile Tshuma · San Antonio, TX2 shared Timothy Brandt · Denver, CO2 shared Moses Ng'Ang'A · Puyallup, WA2 shared Ward W. Woods · Carlsbad, CA2 shared Mark Lupa · Boulder, CO2 shared William A. Siegenthaler · Wynnewood, PA2 shared Michael A. Vlasic · New York, NY2 shared Erik Wiberg · South San Francisco, CA1 shared Asish Xavier · San Francisco, CA1 shared Todd Lorenz · South San Francisco, CA1 shared Anthony J. De Laurentis · Baltimore, MD1 shared

Recent filings (5)

Knowledgeable AI, Inc.Jul 2025 · 8 co-filers$75K Knowledgeable AI, Inc.Jul 2025 · 8 co-filers$50K CATALYST BIOSCIENCES INCAug 2013 · 11 co-filers$800K CATALYST BIOSCIENCES INCSep 2012 · 14 co-filers$18.6M CATALYST BIOSCIENCES INCDec 2008 · 16 co-filers$40.4M

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