Investor · Rapid City, SD

Andrew Propst

Open Andrew in the network graph →

Filings

3

SEC Form D

Connections

11

co-filers

Capital

$5.2M

across filings

Active

Jun 2019

to Nov 2025

Most-connected co-filers (11)

Blaine D. Crissman · Sioux Falls, SD2 shared John Lewis · N/A, Hong Kong2 shared David Kingman · Rapid City, SD2 shared Gulshan R. Ramgoolam · EBENE, O42 shared Ronald Phillips · MT. PLEASANT, SC1 shared Joe Polverari · MT. PLEASANT, SC1 shared Todd Gagne · Rapid City, SD1 shared Ray Hespen · RAPID CITY, SD1 shared Ray Haspen · Rapid City, SD1 shared Andrew Gagne · Rapid City, SD1 shared Thad Tarkington · MT. PLEASANT, SC1 shared

Recent filings (3)

Lineage Technologies, Inc.Nov 2025 · 7 co-filers$4.0M Lineage Technologies, Inc.Nov 2025 · 7 co-filers$4.0M PROPERTY MELD I, LLCJun 2020 · 10 co-filers$2.0M PROPERTY MELD I, LLCJun 2020 · 10 co-filers$2.0M PROPERTY MELD I, LLCJun 2019 · 10 co-filers$1.7M PROPERTY MELD I, LLCJun 2019 · 10 co-filers$1.7M

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