Investor · Boulder, CO

Caspar Herzberg

Open Caspar in the network graph →

Filings

19

SEC Form D

Connections

48

co-filers

Capital

$132.0M

across filings

Active

Mar 2023

to Dec 2025

Most-connected co-filers (48)

Chris Shelton · Boulder, CO15 shared Ryan Murdock · Atlanta, GA11 shared Eduardo D'Angelo Pereira Da Silva · Grand Cayman, Cayman Islands11 shared Yaron Valler · Grand Cayman, Cayman Islands11 shared Clifton Struiken · Grand Cayman, Cayman Islands11 shared Bryan P. Curran · BOSTON, MA11 shared Susan Lin · London, United Kingdom11 shared Willian Shiang · London, United Kingdom11 shared Toni Pinkerton · Grand Cayman, Cayman Islands11 shared Kahramon Juraboev · Cupertino, CA6 shared Luis D'Acosta · Boulder, CO6 shared Bowman Investment Group, LLC · Garden CIty, ID6 shared John P. Chilazi · BOSTON, MA5 shared Brandon Turner · Atlanta, GA5 shared Andrew Fedder · Boston, MA4 shared Robert J. Meschi · George Town, Cayman Islands4 shared Blair H. Wallace · New York, NY4 shared Jesse Demmel · Boulder, CO4 shared Sarah Lambert · Boulder, CO4 shared Joel Abramson · Boulder, CO4 shared Michelle Anastasi · Boulder, CO4 shared Hannah Bascom · Boulder, CO4 shared Charise Le · Boulder, CO4 shared Estelle Monod · Boulder, CO4 shared

Recent filings (19)

Tendril Holdings, LLCDec 2025 · 29 co-filers$48.0M Tendril Holdings, LLCDec 2025 · 29 co-filers$48.0M Tendril Holdings, LLCOct 2025 · 38 co-filers$39.0M Tendril Holdings, LLCOct 2025 · 38 co-filers$39.0M Tendril Holdings, LLCAug 2025 · 41 co-filers$30.0M Tendril Holdings, LLCAug 2025 · 41 co-filers$30.0M Tendril Holdings, LLCMar 2025 · 41 co-filers$15.0M Tendril Holdings, LLCMar 2025 · 41 co-filers$15.0M STRONG ECOSYSTEM LLCMar 2025 · 5 co-filers$2.0M STRONG ECOSYSTEM LLCJul 2024 · 5 co-filers$600K Target Global Selected Opportunities, LLC - Series VanadiumMar 2024 · 11 co-filers Target Global Selected Opportunities, LLC - Series BohriumMar 2024 · 11 co-filers Target Global Selected Opportunities, LLC - Series ManganeseJan 2024 · 11 co-filers EPIC-ACRE LPMar 2023 · 4 co-filers EPIC-PB6 LPMar 2023 · 5 co-filers Target Global Selected Opportunities, LLC - Series MolybdenumMar 2023 · 11 co-filers Target Global Selected Opportunities, LLC - Series Rubidium 4Mar 2023 · 11 co-filers Target Global Selected Opportunities, LLC - Series Lutetium No 3Mar 2023 · 11 co-filers Target Global Selected Opportunities, LLC - Series Lutetium No 4Mar 2023 · 11 co-filers Target Global Selected Opportunities, LLC - Series ZincMar 2023 · 11 co-filers Target Global Selected Opportunities, LLC - Series Branded InvestorsMar 2023 · 11 co-filers Target Global Selected Opportunities, LLC - Series Fluorine No 3Mar 2023 · 11 co-filers Target Global Selected Opportunities, LLC - Series Fluorine No 4Mar 2023 · 11 co-filers

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