Investor · San Francisco, CA
Benjamin Zack
Open Benjamin in the network graph →Filings
76
SEC Form D
Connections
54
co-filers
Capital
$36.6B
across filings
Active
Aug 2015
to Mar 2025
Most-connected co-filers (54)
Matthew C. Xander · Warwick, RI40 sharedKhodadad Natanel Barookhian · Cedarhurst, NY37 sharedAlison Sanger · San Francisco, CA35 sharedMary Chan · Colorado Springs, CO29 sharedAssure Fund Management Ii · Salt Lake City, UT29 sharedAssure Fund Management Ii · Salt Lake City, UT29 sharedPaul A. Stapleton · Boca Raton, FL29 sharedRichard L. Thoms · Salt Lake City, UT26 sharedMichael Z. Pesner · MISSISSAUGA, Ontario, Canada17 sharedIronwood Capital Management Corporation · San Francisco, CA17 sharedRajiv Rai · Toronto, Ontario, Canada17 sharedAndrew Grauer · Redwood City, CA17 sharedAngela M. Mckillen · SAN FRANCISCO, CA17 sharedFrederick Gans · Carrollton, TX17 sharedIronwood Capital Management Corporation · San Francisco, CA17 sharedJonathan Gans · San Francisco, CA12 sharedFederico I. Pacquing · Los Angeles, CA10 sharedPhilippe A. Toudic · Los Angeles, CA10 sharedIronwood Capital Management · San Francisco, CA10 sharedIronwood Capital Management · San Francisco, CA10 sharedRafik A. Kaddoura · Los Angeles, CA10 sharedJohn C. Dong · Los Angeles, CA10 sharedCraig S. Kairis · Los Angeles, CA10 sharedMichael B. Robin · Los Angeles, CA10 shared
Recent filings (76)
IRONWOOD PARTNERS LPMar 2025 · 10 co-filersIRONWOOD PARTNERS LPMar 2024 · 10 co-filersTechU Opportunities LLC - Series GDec 2023 · 3 co-filers$2.4MTechU Opportunities LLC - Series CJun 2023 · 3 co-filers$470KTechU Opportunities LLC - Series DApr 2023 · 3 co-filers$485KIRONWOOD PARTNERS LPMar 2023 · 10 co-filersTechU Angels Venture Partners LLC - Series J2Mar 2022 · 7 co-filers$900KIRONWOOD PARTNERS LPMar 2022 · 10 co-filersTechU Angels Venture Partners LLC - Series K2Feb 2022 · 7 co-filers$230KTechU Angels Venture Partners LLC - Series I2Feb 2022 · 7 co-filers$8.7MTechU Angels Venture Partners LLC - Series I2Feb 2022 · 7 co-filers$8.7MTechU Angels Venture Partners LLC - Series I2Jan 2022 · 7 co-filers$8.5MTechU Angels Venture Partners LLC - Series L2Jan 2022 · 7 co-filers$275KTechU Angels Venture Partners LLC - Series J2Dec 2021 · 7 co-filers$695KSpineThera, Inc.Dec 2021 · 10 co-filers$4.0MTechU Angels Venture Partners LLC - Series I2Dec 2021 · 7 co-filers$7.1MTechU Angels Venture Partners LLC - Series G2Nov 2021 · 7 co-filers$425KTechU Angels Venture Partners LLC - Series H2Oct 2021 · 7 co-filers$305KTechU Angels Venture Partners LLC - Series F2Aug 2021 · 7 co-filers$1.7MTechU Angels Venture Partners LLC - Series E2Jun 2021 · 7 co-filers$380KTechU Angels Venture Partners LLC - Series D2Jun 2021 · 7 co-filers$665KTechU Angels Venture Partners LLC - Series B2May 2021 · 7 co-filers$113KIRONWOOD PARTNERS LPMar 2021 · 10 co-filersTechU Angels Venture Partners LLC - Series A2Sep 2020 · 7 co-filers$775KTechU Angels Venture Partners LLC - Series ZSep 2020 · 7 co-filers$700K
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Benjamin in the interactive graph →