Investor · Santa Fe, NM

Brian P. Birk

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Filings

114

SEC Form D

Connections

429

co-filers

Capital

$10.6M

across filings

Active

Jan 2017

to May 2021

Most-connected co-filers (429)

Arthur L. Weinstein · Vista, CA34 shared Fortunato R. Rocca · Vista, CA33 shared Wendy R. Swedick · Vista, CA32 shared John M. Radak · Vista, CA29 shared Kevin J. Sullivan · Denver, CO24 shared Steven R. Hash · Pasadena, CA24 shared Robert W. Bourne · Denver, CO24 shared Dustin Najar · Murfreesboro, TN24 shared Wei Wade M. Ren · Reno, NV24 shared Matthew S. Richards · Madison, WI24 shared Neill Occhiogrosso · Palo Alto, CA24 shared Casey Ellis · San Francisco, CA24 shared Joel S. Marcus · Pasadena, CA24 shared Daniel J. Ryan · Pasadena, CA24 shared Peter M. Moglia · Pasadena, CA24 shared Don Seymour · New York, NY24 shared Maria C. Freire, Ph.D · Pasadena, CA24 shared Richard H. Klein · Pasadena, CA24 shared David A. Bree · Grand Cayman, Cayman Islands24 shared Mark Hollis · Santa Fe, NM21 shared Charles Beeler · San Mateo, CA20 shared Dean A. Shigenaga · Pasadena, CA20 shared Thierry L. Dervieux · Vista, CA18 shared Becci E. Golonka · Kinston, NC18 shared

Recent filings (114)

Panamerican VC Investments, LPNov 2025 · 5 co-filers ALEXANDRIA REAL ESTATE EQUITIES, INC.Jan 2025 · 60 co-filers$1.3M ALEXANDRIA REAL ESTATE EQUITIES, INC.Jan 2025 · 60 co-filers$5.5M Panamerican VC Investments, LPNov 2024 · 8 co-filers Mexico Ventures III, LPJun 2024 · 14 co-filers ALEXANDRIA REAL ESTATE EQUITIES, INC.Jan 2024 · 63 co-filers$5.1M ALEXANDRIA REAL ESTATE EQUITIES, INC.Jan 2024 · 63 co-filers$1.3M Sun Mountain Private Credit Fund II, LPAug 2023 · 15 co-filers Mexico Ventures III, LPJun 2023 · 14 co-filers ALEXANDRIA REAL ESTATE EQUITIES, INC.Jan 2023 · 69 co-filers$5.5M ALEXANDRIA REAL ESTATE EQUITIES, INC.Jan 2023 · 69 co-filers$980K Green Theme Technologies, Inc.Oct 2022 · 11 co-filers$7.1M SUN MOUNTAIN PRIVATE CREDIT FUND I, L.P.Sep 2022 · 20 co-filers$23.3M Mexico Ventures III, LPJun 2022 · 11 co-filers ALEXANDRIA REAL ESTATE EQUITIES, INC.Jan 2022 · 58 co-filers$745K ALEXANDRIA REAL ESTATE EQUITIES, INC.Jan 2022 · 58 co-filers$5.8M Green Theme Technologies, Inc.Dec 2021 · 9 co-filers$1.5M Systematic Quest Fund II, Ltd.Aug 2021 · 20 co-filers Systematic Quest Fund I, LLCAug 2021 · 20 co-filers Green Theme Technologies, Inc.Jun 2021 · 11 co-filers$6.9M Avisa Pharma Inc.May 2021 · 15 co-filers$693K ALEXANDRIA REAL ESTATE EQUITIES, INC.Jan 2021 · 62 co-filers$5.6M ALEXANDRIA REAL ESTATE EQUITIES, INC.Jan 2021 · 62 co-filers$711K Avisa Pharma Inc.Dec 2020 · 16 co-filers$200K Avisa Pharma Inc.Dec 2020 · 16 co-filers$495K

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