Investor · SAN FRANCISCO, CA

Andrew Ritter

Open Andrew in the network graph →

Filings

8

SEC Form D

Connections

28

co-filers

Capital

$6.0M

across filings

Active

Jan 2023

to May 2025

Most-connected co-filers (28)

Michael Breen · SAN FRANCISCO, CA4 shared Alan Urban · SAN FRANCISCO, CA4 shared Hilary Kramer · SAN FRANCISCO, CA4 shared J. M. Sorensen · Malvern, PA2 shared Charles Casamento · Brooklyn, NY2 shared Steven King · San Francisco, CA2 shared Jonathan B. Siegel · San Francisco, CA2 shared Jon M. Robertson · DALLAS, TX2 shared Shannon Savage · Venice, CA2 shared Laura Low Ah Kee · Venice, CA2 shared Nancy T. Chang · Malvern, PA2 shared Kevin R. Lokay · Malvern, PA2 shared Michael R. Friedman · Malvern, PA2 shared John G. Shewmaker · San Francisco, CA2 shared Charles Casamento · SAN FRANCISCO, CA2 shared Joseph Liu · Austin, TX2 shared Kentle C. Ritchie · London, United Kingdom2 shared Kenneth Kong Jie Hor · Singapore, U02 shared Walt Krumbholz · Seattle, WA2 shared Maggie Weiland · Seattle, WA2 shared Lisa Dow · Seattle, WA2 shared Turner Waskom · Seattle, WA2 shared Carl Seip · Seattle, WA2 shared RRC Realty Assets II LLC · Dallas, TX2 shared

Recent filings (8)

GT Biopharma, Inc.May 2025 · 14 co-filers$20.0M GT Biopharma, Inc.May 2025 · 14 co-filers$20.0M GT Biopharma, Inc.May 2025 · 14 co-filers$6.0M GT Biopharma, Inc.May 2025 · 14 co-filers$6.0M Galera Therapeutics, Inc.Jan 2025 · 17 co-filers$2.9M Galera Therapeutics, Inc.Jan 2025 · 17 co-filers$2.7M RAD-DOC Denton Legacy LLCAug 2023 · 3 co-filers$5.2M Left on Friday Inc.Jul 2023 · 5 co-filers$5.7M RAD/DOC SUNBELT PRA PORTFOLIO II, LLCJan 2023 · 7 co-filers$2.5M Left on Friday Inc.Jan 2023 · 5 co-filers$7.0M

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