Investor · Bloomfield Hills, MI

Luke K. Plumpton

Open Luke in the network graph →

Filings

99

SEC Form D

Connections

312

co-filers

Capital

$47.8M

across filings

Active

Dec 2018

to Jul 2025

Most-connected co-filers (312)

Joseph K. Vallee · Bloomfield Hills, MI20 shared Paul Crage · Davie, FL17 shared Scot C. Crow · Columbus, OH17 shared Stefano Questa · London, United Kingdom15 shared Michael K. Cotant · Bloomfield Hills, MI15 shared Andrew K. Oakes · Burnsville, MN15 shared Frostee Rucker · Tarpon Springs, FL15 shared Ian A. Pilgrim · Hamilton, Bermuda15 shared Brendan Furey · Boston, MA13 shared Matthew Farrell · Dayton, OH13 shared Shane Wall · Dayton, OH12 shared Stephen Ochs · Lawrenceville, NJ12 shared Stone House Capital Management, Llc · New York, NY12 shared Rishi Bajaj · Newport Beach, CA12 shared Todd M. Fink · BLOOMFIELD HILLS, MI12 shared Aaron K. Bible · Eden Prairie, MN12 shared Mark W. Yusko · Chapel Hill, NC12 shared Kirt K. Linington · Addison, TX12 shared Devin O'Fallon · San Francisco, CA11 shared Sara Von Minckwitz · The Woodlands, TX11 shared Richard Cohen · New York, NY10 shared Mark Cohen · New York, NY10 shared Peter J. Tucker · Chicago, IL10 shared Mike Fitzgerald · Chicago, IL10 shared

Recent filings (99)

Supabase, Inc.Feb 2026 · 3 co-filers$143.1M SH Capital Offshore, LTDJan 2026 · 2 co-filers SH Capital Partners, L.P.Jan 2026 · 2 co-filers O2 Investment Partners Fund V-A, L.P.Dec 2025 · 2 co-filers O2 Investment Partners Fund V-A, L.P.Dec 2025 · 2 co-filers O2 Investment Partners Fund V-B, L.P.Dec 2025 · 2 co-filers O2 Investment Partners Fund V-B, L.P.Dec 2025 · 2 co-filers Supabase, Inc.Oct 2025 · 11 co-filers$113.1M Supabase, Inc.Sep 2025 · 11 co-filers$202.3M Stronghouse Solutions Holdings, LLCJul 2025 · 31 co-filers$5.0M Stronghouse Solutions Holdings, LLCJul 2025 · 32 co-filers$1.0M Stronghouse Solutions Holdings, LLCJul 2025 · 32 co-filers$5.0M Stronghouse Solutions Holdings, LLCMar 2025 · 26 co-filers$650K TDC Trailer Acquisition, LLCJan 2025 · 3 co-filers$1K Modular Devices Holdings, LLCJan 2025 · 10 co-filers$3.9M SH Capital Partners, L.P.Jan 2025 · 7 co-filers SH Capital Offshore, LTDJan 2025 · 7 co-filers Stronghouse Solutions Holdings, LLCSep 2024 · 26 co-filers$100K WorkForce Software Holdings, LLCMay 2024 · 19 co-filers SH Capital Partners, L.P.Jan 2024 · 7 co-filers SH Capital Offshore, LTDJan 2024 · 7 co-filers Capital Construction Holdings, LLCAug 2023 · 26 co-filers$200K Capital Construction Holdings, LLCMay 2023 · 26 co-filers$175K Capital Construction Holdings, LLCMay 2023 · 26 co-filers$200K WorkForce Software Holdings, LLCApr 2023 · 21 co-filers

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