Investor · San Francisco, CA

Alexander Hartz

Open Alexander in the network graph →

Filings

7

SEC Form D

Connections

10

co-filers

Capital

$132.9M

across filings

Active

Jan 2019

to Sep 2025

Most-connected co-filers (10)

Edward Oistacher · Oakland, CA3 shared Eran Sandler · Oakland, CA3 shared Gur Brosh · Oakland, CA3 shared Alexander Bargmann · San Francisco, CA2 shared Baabak Touran · Manchester, NH2 shared Luke Miner · San Francisco, CA1 shared Jessica Powell · Boston, MA1 shared Jordan Bramble · Redondo Beach, CA1 shared Julia Dewahl · REDWOOD CITY, CA1 shared Jack Altman · San Francisco, CA1 shared

Recent filings (7)

Antares Nuclear, Inc.Sep 2025 · 7 co-filers$79.5M Audioshake Inc.Sep 2025 · 5 co-filers$19.4M Antares Nuclear, Inc.Sep 2025 · 7 co-filers$79.5M Audioshake Inc.Sep 2025 · 5 co-filers$19.4M Pathpoint, Inc.Aug 2021 · 5 co-filers$30.9M Pathpoint, Inc.Aug 2021 · 5 co-filers$30.9M Peach Finance Inc.Jul 2021 · 4 co-filers$20.0M Peach Finance Inc.Jul 2021 · 4 co-filers$20.0M Peach Finance Inc.Nov 2019 · 7 co-filers$5.5M Peach Finance Inc.Nov 2019 · 7 co-filers$5.5M Outline Insurance Inc.Jan 2019 · 5 co-filers$6.0M Outline Insurance Inc.Jan 2019 · 5 co-filers$6.0M Peach Finance, Inc.Oct 2018 · 7 co-filers$2.0M Peach Finance, Inc.Oct 2018 · 7 co-filers$2.0M

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