Investor · South San Francisco, CA

William C. Houghton

Open William in the network graph →

Filings

4

SEC Form D

Connections

18

co-filers

Capital

—

across filings

Active

Feb 2009

to Jul 2025

Most-connected co-filers (18)

Walter E. Rein · New York, NY2 shared Stephen Blumenfeld · New York, NY2 shared Elliot Tannenbaum · New York, NY2 shared Kevin Mooney · New York, NY2 shared Arnold L. Oronsky · Baltimore, MD2 shared Michael J. Powell · Billerica, MA2 shared Daniel S. Janney · San Francisco, CA2 shared Michael Kranda · Bellevue, WA2 shared Benjamin Mensah · Atlanta, GA2 shared Eric J. Marmoll · New York, NY2 shared Jennifer Loving · Las Vegas, NV1 shared Shannon Steele · Atlanta, GA1 shared Jean-Frederic M. Viret · South San Francisco, CA1 shared Rodney Ferguson · Menlo Park, CA1 shared John F. Hamilton · South San Francisco, CA1 shared John H. Tran · South San Francisco, CA1 shared Gary Doyle · Las Vegas, NV1 shared Shannon Steel · Atlanta, GA1 shared

Recent filings (4)

Steel Capital GP, LLCJul 2025 · 4 co-filers Steel Capital GP, LLCJul 2025 · 4 co-filers ANESIVA, INC.Jun 2009 · 13 co-filers$2.0M ANESIVA, INC.Feb 2009 · 11 co-filers$7.0M

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