Investor · West Palm Beach, FL

Brian Stempeck

Open Brian in the network graph →

Filings

3

SEC Form D

Connections

47

co-filers

Capital

$202.0M

across filings

Active

Oct 2023

to Aug 2025

Most-connected co-filers (47)

Poul Costinsky · New York, NY2 shared Edward Chater · New York, NY2 shared Nihal Mehta · New York, NY1 shared Jeffrey Richards · New York, NY1 shared Zachary J. Schreiber · NEW YORK, NY1 shared Michael Norman · Cambridge, MA1 shared Robert Fabbio · Austin, TX1 shared Robert R. Lyons · Grand Cayman, Cayman Islands1 shared Ken Harris · Madison, WI1 shared Isaac Kim · New York, NY1 shared David J. Kerko · Goleta, CA1 shared Matthew J. Harnett · Wexford, PA1 shared Vijay Srinivasan · Los Angeles, CA1 shared Lee Miller · Philadelphia, PA1 shared Robert Shedd · Philadelphia, PA1 shared Brendan Dickinson · Philadelphia, PA1 shared Justin Goldman · Philadelphia, PA1 shared Rahul Bhattacharjee · West Palm Beach, FL1 shared Srikrishnan Rajan · West Palm Beach, FL1 shared Judy Smith · West Palm Beach, FL1 shared Snehal Amin · West Palm Beach, FL1 shared Paul Lepage · West Palm Beach, FL1 shared Marc Steinberg · West Palm Beach, FL1 shared Janice Marinelli · West Palm Beach, FL1 shared

Recent filings (3)

Evertune Inc.Aug 2025 · 7 co-filers$15.0M Evertune Inc.Aug 2025 · 7 co-filers$15.0M Evertune Inc.Oct 2024 · 4 co-filers$4.0M Neptune Parent Topco LLCOct 2023 · 43 co-filers Neptune Parent Topco LLCOct 2023 · 43 co-filers

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