Investor · Cambridge, MA

Casper E. Breum

Open Casper in the network graph →

Filings

40

SEC Form D

Connections

206

co-filers

Capital

$104.7M

across filings

Active

Jan 2017

to Jul 2020

Most-connected co-filers (206)

Andrew Milgram · Greenwich, CT11 shared Marblegate Asset Management, LLC · Greenwich, CT11 shared Paul E. Mintz · Houston, TX11 shared Michael Miroshnikov · Portsmouth, NH9 shared Greg Brogger · San Francisco, CA7 shared Wayne Dankner · NESS ZIONA, L37 shared Daniel Burgess · NESS ZIONA, L35 shared Fergus G. Mckeon · Ashbourne, Ireland5 shared Marblegate Special Opportunities GP, LLC · Greenwich, CT5 shared Dane Ross · NESS ZIONA, L35 shared Erez Chimovits · Herzeliya, L35 shared Dan Teleman · NESS ZIONA, L35 shared Jonathan Tobin · NESS ZIONA, L35 shared Raj W. Parekh · Cambridge, MA5 shared Anat Shirvan · NESS ZIONA, L35 shared Arthur M. Pappas · Durham, NC4 shared Joel E. Jean-Mairet, Ph.D · Cambridge, MA4 shared Jack T. Benson, Do · Columbus, OH4 shared Daniel M. Slane · COLUMBUS, OH4 shared Matthew Foy · NESS ZIONA, L34 shared Thomas T. Loos · Columbus, OH4 shared Eric M. Siegal · CHICAGO, IL4 shared Esther Hayun · NESS ZIONA, L34 shared Dennis S. Guest · Columbus, OH4 shared

Recent filings (40)

Artax Biopharma, Inc.Jul 2025 · 25 co-filers$11.0M Artax Biopharma, Inc.Aug 2024 · 22 co-filers$8.0M Marblegate Partners III Overflow Master Fund, L.P.Aug 2024 · 6 co-filers Marblegate Partners III Overflow Offshore Fund, L.P.Aug 2024 · 6 co-filers Marblegate Partners Offshore Fund II, L.P.Apr 2023 · 6 co-filers Marblegate Partners Onshore Fund II, L.P.Apr 2023 · 6 co-filers Marblegate Partners II Overflow Master Fund, L.P.Oct 2022 · 6 co-filers Marblegate Partners II Offshore Overflow Fund, L.P.Oct 2022 · 6 co-filers Artax Biopharma, Inc.May 2022 · 20 co-filers$25.8M Marblegate Partners Onshore Fund II, L.P.Apr 2022 · 6 co-filers Marblegate Partners Offshore Fund II, L.P.Apr 2022 · 6 co-filers Marblegate Partners Offshore Fund II AIV, L.P.Jun 2021 · 6 co-filers Keypath Education International, Inc.Jun 2021 · 41 co-filers$276K Keypath Education International, Inc.Jun 2021 · 41 co-filers$276K Marblegate Partners Onshore Fund II, L.P.Apr 2021 · 6 co-filers Marblegate Partners Offshore Fund II, L.P.Apr 2021 · 6 co-filers Aura Biosciences, Inc.Jul 2020 · 24 co-filers$17.0M Atox Bio Inc.Apr 2019 · 36 co-filers$35.0M Aura Biosciences, Inc.Apr 2019 · 28 co-filers$40.0M Aura Biosciences, Inc.Dec 2018 · 25 co-filers$42.5M CAVA GROUP, INC.Dec 2018 · 26 co-filers$298.7M Celadon Technology Fund IX, LLCAug 2018 · 1 co-filer$4.2M CAVA GROUP, INC.May 2018 · 26 co-filers$35.0M Atox Bio Inc.Mar 2018 · 32 co-filers$30.0M Celadon Technology Fund IX, LLCMar 2018 · 2 co-filers$3.7M

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