Investor · Madison, CT

Mark Grabowski

Open Mark in the network graph →

Filings

12

SEC Form D

Connections

24

co-filers

Capital

$292.9M

across filings

Active

Jul 2020

to Feb 2026

Most-connected co-filers (24)

Stacey P. Kirkconnell · Grand Cayman, Cayman Islands5 shared Thomas Lynch · GREENWICH, CT5 shared Adam Thomarios · Akron, OH4 shared Robyn M. Zlotkin · Lexington, KY3 shared Richard M. Remmers · Lexington, KY3 shared Jason A. Butterworth · Akron, OH3 shared John P. Lord · Chicago, IL3 shared John Bertrand · Coralville, IA3 shared Christopher Cowell · Bayonne, NJ3 shared Ryan P. Rosenbaum · Kansas City, MO3 shared Mark G. Kalifa · Libertyville, IL2 shared Thomas P. Ferguson · Kansas City, MO2 shared Townes G. Pressler, Jr · Houston, TX2 shared Holly Lindsey · BROOMFIELD, CO2 shared Eric Ries · SAN FRANCISCO, CA2 shared Gregory D. Brenneman · Atlanta, GA1 shared Lily B. Ler · NEW YORK, NY1 shared Richard P. Prokup · NEW YORK, NY1 shared Tammy Murphy · Whippany, NJ1 shared Imran Khan · New York, NY1 shared Jacob Franek · New York, NY1 shared Chris Casey · Akron, OH1 shared John C. Ploskunak · Copley, OH1 shared Darcy A. Howe · Kansas City, MO1 shared

Recent filings (12)

PN Ventures, LLCFeb 2026 · 1 co-filer JECT Investco LPJun 2024 · 2 co-filers$25.4M Inpsire Leasing 2, LLCMay 2024 · 5 co-filers SCP Math LPFeb 2024 · 8 co-filers$29.0M KCOF, LLCApr 2023 · 7 co-filers$40.0M Snapdragon Spartan Investco LPApr 2023 · 2 co-filers$29.5M SCP Fund III LPMay 2022 · 2 co-filers$114.0M Daupler, Inc.Feb 2022 · 8 co-filers$3.3M SCP Fund III LPDec 2021 · 2 co-filers$95.0M Daupler, Inc.Apr 2021 · 8 co-filers$4.0M Inspire Leasing, LLCJul 2020 · 7 co-filers$2.5M Daupler, Inc.Jul 2020 · 7 co-filers$500K

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