Investor · Wellesley, MA

John J. Althoff

Open John in the network graph →

Filings

12

SEC Form D

Connections

67

co-filers

Capital

$1.0M

across filings

Active

Nov 2024

to Mar 2025

Most-connected co-filers (67)

Robert W. Haydon · Phoenix, AZ7 shared Grant J. Shaffer · Los Angeles, CA6 shared Ryan J. Anderson · Los Angeles, CA6 shared Jake J. Crismon · Los Angeles, CA6 shared Andrew R. Zengilowski · New Canaan, CT5 shared Kapil J. Desai · New York, NY4 shared David W. Fetterolf · Huntington, NY4 shared Elias W. Davis · Woodmere, NY4 shared Andrew J. Murray · Birmingham, AL3 shared Jacob Swaney · Dallas, TX3 shared Michael A. Kmetz · Fort Lauderdale, FL3 shared Darrach Mccarthy · Santa Monica, CA2 shared Jerry A. King · Portland, ME2 shared Andrew Mcmenamin · Charles Town, WV2 shared Americo Cascella · Dallas, TX2 shared Robert J. Downs · San Diego, CA2 shared John R. Hass · New York, NY2 shared Austin Ramos · San Francisco, CA2 shared Sven Gasser · Zurich, V82 shared Clive D. Harris · Grand Cayman, Cayman Islands2 shared T. A. Rinaldi · Portland, ME2 shared Jens H. Hoellermann · Luxembourg, Luxembourg2 shared Joe A. Raczka · Portland, ME2 shared Steve Lebowitz · San Francisco, CA2 shared

Recent filings (12)

Defendify, Inc.Nov 2025 · 14 co-filers$1.5M CoachCare Holdings, Inc.Jun 2025 · 18 co-filers$28.5M CoachCare Holdings, Inc.Jun 2025 · 18 co-filers$28.5M CoachCare Holdings, Inc.Jun 2025 · 18 co-filers$3.0M CoachCare Holdings, Inc.Jun 2025 · 18 co-filers$3.0M MDHI Carrollton LLCJun 2025 · 25 co-filers$2.1M CoachCare Holdings, Inc.Mar 2025 · 8 co-filers$1.0M Defendify, Inc.Feb 2025 · 14 co-filers$2.6M Lexington Wellness Holdings Inc.Nov 2024 · 15 co-filers$7.0M MDHI Fort Worth LLCJun 2023 · 23 co-filers$2.0M MDHI Charles Town LLCFeb 2023 · 10 co-filers$1.3M Kupono Capital, LLCFeb 2023 · 11 co-filers$142.4M Kupono Capital, LLCFeb 2023 · 11 co-filers$131.4M Lexington Wellness Holdings Inc.Aug 2018 · 4 co-filers$2.0M

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