Investor · Houston, TX

Alan F. Bigman

Open Alan in the network graph →

Filings

11

SEC Form D

Connections

76

co-filers

Capital

$371.4M

across filings

Active

Nov 2013

to Jul 2025

Most-connected co-filers (76)

Charles C. Ward · Houston, TX9 shared Gerald F. Willinger · Houston, TX6 shared Jonas Hellgren · Wellesley, MA5 shared Antonio R. Sanchez, Iii · Houston, TX5 shared J. L. Williams · Burlington, VT4 shared Jane E. Hills · Aspen, CO4 shared QMS Capital Management LP · Durham, NC4 shared Matt Stapleton · Sandy, UT4 shared Edward G. Wolynic · PEALR RIVER, NY4 shared Jonathan J. Snyder · Las Vegas, NV4 shared Richard F. Langdon · Houston, TX4 shared Bahram Nour-Omid · Los Angeles, CA4 shared Carlos G. Gonzalez · PEARL RIVER, NY4 shared Gordon Smith · Beverly Hills, CA4 shared Byrd F. Larberg · Houston, TX4 shared a Colorado LLC Austin Lawrence Partners, LLC · Aspen, CO4 shared Thomas G. Erickson · PEARL RIVER, NY4 shared Gregory P. Hills · Aspen, CO3 shared Alex Jiao · Seattle, WA3 shared Matthew R. Armitage · Wonersh, United Kingdom2 shared Michael G. Butterworth · Great Waltham, United Kingdom2 shared David Ertel · Coral Gables, FL2 shared Richard C. Stillwell · Great Rollright, United Kingdom2 shared Helen C. Stevenson · London, United Kingdom2 shared

Recent filings (11)

Aperio Systems, Inc.Jul 2025 · 13 co-filers$7.0M Aperio Systems, Inc.Aug 2023 · 13 co-filers$9.0M Aperio Systems, Inc.Oct 2020 · 13 co-filers$8.2M Aperio Systems, Inc.Aug 2020 · 13 co-filers$304K Sanchez Production Partners LPOct 2015 · 29 co-filers$350.0M Sanchez Production Partners LPApr 2015 · 17 co-filers$17.4M Sanchez Production Partners LPApr 2015 · 17 co-filers$2.0M Sanchez Production Partners LPApr 2015 · 14 co-filers$2.0M Vaultive, Inc.Jan 2015 · 2 co-filers$8.9M I-Pulse Inc.Jan 2015 · 22 co-filers I-Pulse Inc.Nov 2013 · 24 co-filers$3.0M

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