Investor · San Francisco, CA
Brian Buenneke
Open Brian in the network graph →Filings
39
SEC Form D
Connections
111
co-filers
Capital
$738.1M
across filings
Active
Apr 2020
to Jan 2023
Most-connected co-filers (111)
Peter G. Bell · MINNEAPOLIS, MN19 sharedMatthew C. Elston · St Peter Port, Y719 sharedLee C. Clark · St Peter Port, Y719 sharedAjay K. Gupta · Irvine, CA14 sharedLeontis E. Teryazos · IRVINE, CA14 sharedJohn E. Fortkort · IRVINE, CA14 sharedChandra Henry · CALGARY, Alberta, Canada14 sharedLogan Moore · Kansas City, MO14 sharedArthur Robinson · Calgary, Alberta, Canada14 sharedStuart Ellman · Burlington, MA14 sharedAnnelise E. Barron · IRVINE, CA14 sharedSaundra Pelletier · San Diego, CA10 sharedPantheon Ventures (Us) Lp · San Francisco, CA10 sharedPantheon Ventures (Us) Lp · San Francisco, CA10 sharedPantheon Ventures (Us) Lp · San Francisco, CA10 sharedAdrayll Askew · HOUSTON, TX10 sharedNdukwe Kalu · HOUSTON, TX10 sharedTony O'Brien · San Diego, CA10 sharedChetachi Ozougwu · HOUSTON, TX10 sharedPantheon Ventures Inc · San Francisco, CA8 sharedPantheon Ventures Inc · San Francisco, CA8 sharedDouglas Fambrough · Boston, MA6 sharedLisa Rarick · San Diego, CA6 sharedIvy Zhang · San Diego, CA6 shared
Recent filings (39)
X-Bow Launch Systems Inc.Nov 2025 · 20 co-filers$50.0MX-Bow Launch Systems Inc.Jan 2025 · 20 co-filers$50.0MIndustriens Vintage Infrastructure V, L.P.Sep 2024 · 9 co-filersIndustriens Vintage Infrastructure V, L.P.Sep 2024 · 9 co-filersBVK Private Equity 2024, L.P.Jun 2024 · 9 co-filers$130.0MBVK Private Equity 2024, L.P.Jun 2024 · 9 co-filers$130.0MX-Bow Launch Systems Inc.May 2024 · 23 co-filers$89.2MElectric Hydrogen Co.Oct 2023 · 32 co-filers$139.3MElectric Hydrogen Co.Oct 2023 · 32 co-filers$750KElectric Hydrogen Co.Oct 2023 · 32 co-filers$411.0MElectric Hydrogen Co.Oct 2023 · 32 co-filers$23.9MPantheon Secondary Opportunity Fund II Feeder (US) LPOct 2023 · 9 co-filersPantheon Secondary Opportunity Fund II Feeder (US) LPOct 2023 · 9 co-filersPantheon Global Secondary Fund VII Feeder (US) LPOct 2023 · 9 co-filersPantheon Global Secondary Fund VII Feeder (US) LPOct 2023 · 9 co-filersSalarius Pharmaceuticals, Inc.May 2023 · 21 co-filers$6.0MPGIF IV Feeder (US) LPJan 2023 · 10 co-filersSalarius Pharmaceuticals, Inc.May 2022 · 21 co-filers$2.3MX-Bow Launch Systems Inc.May 2022 · 23 co-filers$15.0MCELESTIAL THERAPEUTICS INC.Feb 2022 · 11 co-filersCELESTIAL THERAPEUTICS INC.Jan 2022 · 11 co-filersCELESTIAL THERAPEUTICS INC.Dec 2021 · 11 co-filersPGIF IV Feeder (US) LPOct 2021 · 10 co-filersIndustriens Vintage Infrastructure IV, L.P.Oct 2021 · 9 co-filers$100.0MPantheon Infrastructure Co-Investment Program 1, LPOct 2021 · 9 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Brian in the interactive graph →