Investor · Berkeley, CA

Jonathon G. Angell

Open Jonathon in the network graph →

Filings

2

SEC Form D

Connections

15

co-filers

Capital

$33.0M

across filings

Active

Aug 2025

to Aug 2025

Most-connected co-filers (15)

Elizabeth A. Muller · Berkeley, CA2 shared Blake Janover · Boca Raton, FL1 shared William M. Schmitz · Berkeley, CA1 shared Richard A. Muller · Berkeley, CA1 shared Leslie G. Tepper · Berkeley, CA1 shared Kent G. Cole · Berkeley, CA1 shared Rodney Baltzer · Berkeley, CA1 shared Sophie G. Mccallum · Berkeley, CA1 shared Christopher G. Parker · Berkeley, CA1 shared Jesse G. Sloane · Berkeley, CA1 shared Steven G. Airhart · Berkeley, CA1 shared Leslie Goldman Tepper · Houston, TX1 shared Michael S. Brasel · Berkeley, CA1 shared Thomas S. Glanville · Houston, TX1 shared Jon S. Gordon · Berkeley, CA1 shared

Recent filings (2)

DEEP FISSION, INC.Feb 2026 · 8 co-filers$80.0M Deep Isolation Nuclear, Inc.Aug 2025 · 17 co-filers$33.0M Deep Isolation Nuclear, Inc.Aug 2025 · 17 co-filers$33.0M

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