Investor · Frisco, TX

Don Kalkofen

Open Don in the network graph →

Filings

30

SEC Form D

Connections

151

co-filers

Capital

$2.6M

across filings

Active

Feb 2022

to Jan 2025

Most-connected co-filers (151)

Michael Mcfadden · Vancouver, British Columbia, Canada18 shared Rob Bakshi · Vancouver, British Columbia, Canada13 shared Phillip R. Mertz · Vancouver, British Columbia, Canada12 shared Kenneth A. Cawkell · Vancouver, British Columbia, Canada11 shared Gwendoline Tilghman · New York, NY8 shared John R. Havens · Vancouver, British Columbia, Canada7 shared Len A. Mertz · San Angelo, TX7 shared Lauren R. D'Angelo · Vancouver, British Columbia, Canada7 shared Finback Investment Partners, LLC · Coral Gables, FL6 shared Andrew P. Lombardi · Fort Worth, TX4 shared Lumen GP Ltd · George Town, Cayman Islands4 shared Marcelo B. Albo · Miami Beach, FL4 shared Marcelo Canavati · Miami Beach, FL4 shared Jill W. Lampert · DALLAS, TX4 shared Darren J. Stainrod · GRAND CAYMAN, Cayman Islands4 shared Jonathan H. Lewis · SAN ANTONIO, TX4 shared Kevin O'Sullivan · Dublin, Ireland4 shared Conrad J. Suszynski · Fort Worth, TX4 shared Allison Lomax · George Town, Cayman Islands4 shared Stefan F. Grater · SAN ANTONIO, TX4 shared Hans Markvoort · Pfaeffikon, V84 shared W. R. Scott · SAN ANTONIO, TX4 shared Jeffrey Stevens · Toronto, Ontario, Canada4 shared LGT Capital Partners (USA) Inc · New York, NY4 shared

Recent filings (30)

Strategic Risk Associates Holdings, Inc.Feb 2025 · 17 co-filers$17.8M Strategic Risk Associates Holdings, Inc.Feb 2025 · 17 co-filers$6.5M Lumen Holding LPJan 2025 · 16 co-filers Skypointer Ventures Fund I - Proaltus Private Markets Fund LPJan 2025 · 5 co-filers$29.4M Interaltus US Real Estate Opportunities Fund I - Proaltus Private Markets Fund LPJan 2025 · 5 co-filers$8.9M Delphinus Medical Technologies, Inc.Apr 2024 · 23 co-filers$15.0M Strategic Risk Associates Holdings, Inc.Feb 2024 · 17 co-filers$6.0M Lumen Holding LPFeb 2024 · 16 co-filers Alpha Cognition Inc.Jan 2024 · 11 co-filers$6.8M Alpha Cognition Inc.Jan 2024 · 11 co-filers$6.8M Alpha Cognition Inc.Jan 2024 · 11 co-filers$4.2M Alpha Cognition Inc.Jan 2024 · 11 co-filers$4.2M Alpha Cognition Inc.Nov 2023 · 23 co-filers$1.7M Alpha Cognition Inc.Nov 2023 · 23 co-filers$1.7M Studson, Inc.Nov 2023 · 20 co-filers$2.5M Alpha Cognition Inc.Oct 2023 · 23 co-filers$586K Alpha Cognition Inc.Oct 2023 · 23 co-filers$586K Studson, Inc.Sep 2023 · 8 co-filers$2.0M Studson, Inc.Sep 2023 · 20 co-filers$2.0M Alpha Cognition Inc.Sep 2023 · 23 co-filers$2.1M Alpha Cognition Inc.Sep 2023 · 23 co-filers$2.1M Delphinus Medical Technologies, Inc.Jun 2023 · 22 co-filers$8.0M Alpha Cognition Inc.Mar 2023 · 23 co-filers$3.3M Alpha Cognition Inc.Feb 2023 · 26 co-filers$4.7M Lumen Holding LPFeb 2023 · 16 co-filers

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