Investor · Greenwich, CT

Harrison W. Fackelmayer

Open Harrison in the network graph →

Filings

15

SEC Form D

Connections

59

co-filers

Capital

$1.5B

across filings

Active

Nov 2022

to Jul 2025

Most-connected co-filers (59)

Joseph W. Westreich · Greenwich, CT11 shared Ralph W. Kittle, Iii · Greenwich, CT11 shared Jeffrey R. Dimaio · Pendleton, SC9 shared Michelle R. Dimaio · Pendleton, SC9 shared John S. Lancaster · Santa Barbara, CA8 shared Lee Wittlinger · Menlo Park, CA8 shared Jose A. Gurria · Santa Barbara, CA8 shared Twin Lions GP LLC · New York, NY8 shared Joseph E. Pedroza · Vista, CA8 shared Peter S. Georgescu · Santa Barbara, CA8 shared James P. Wisecup · Santa Barbara, CA8 shared Lydie Bini · Howald, Luxembourg8 shared Ryan Bone · Menlo Park, CA8 shared Kevin Leary · Reno, NV8 shared Bennett Thomas · Chadds Ford, PA8 shared Viviana A. Gonzalez · Santa Barbara, CA8 shared Luc Leroi · Bridel, Luxembourg8 shared Twin Lions Management LLC · New York, NY8 shared Rinaldo S. Brutoco · Santa Barbara, CA8 shared Burke Atkerson · Colorado Springs, CO7 shared Martin S. Whittaker · Santa Barbara, CA7 shared Terry V. Gittens · Christ Church, C87 shared Robert S. Fornaro · Santa Barbara, CA7 shared Marie S. Case · Santa Barbara, CA7 shared

Recent filings (15)

Ren Fund CIP EE Participation, LLCJul 2025 · 10 co-filers Ren Fund CIP EE Participation, LLCJul 2025 · 10 co-filers Ren Fund (P), LPFeb 2025 · 12 co-filers Ren Fund (P), LPFeb 2025 · 12 co-filers Ren Fund (P), LPSep 2024 · 12 co-filers Ren Fund (P), LPSep 2024 · 12 co-filers Pantheon AI, Inc.Jul 2024 · 10 co-filers$12.6M Pantheon AI, Inc.Apr 2024 · 8 co-filers$6.0M H2 Clipper, Inc.Jun 2023 · 29 co-filers$2.0M H2 Clipper, Inc.May 2023 · 29 co-filers$2.0M COPAUR MINERALS INC.May 2023 · 17 co-filers$52K H2 Clipper, Inc.Apr 2023 · 29 co-filers$2.0M H2 Clipper, Inc.Apr 2023 · 29 co-filers$2.0M H2 Clipper, Inc.Mar 2023 · 29 co-filers$2.0M H2 Clipper, Inc.Mar 2023 · 20 co-filers$2.1M COPAUR MINERALS INC.Dec 2022 · 17 co-filers$1.2M H2 Clipper, Inc.Dec 2022 · 29 co-filers$2.0M H2 Clipper, Inc.Nov 2022 · 29 co-filers$2.0M

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