Investor · Philadelphia, PA

Gregory P. Katz

Open Gregory in the network graph →

Filings

14

SEC Form D

Connections

57

co-filers

Capital

$7.5M

across filings

Active

Jan 2022

to Mar 2026

Most-connected co-filers (57)

Gary A. Rabine · Chicago, IL9 shared Aaron P. Osgood · Philadelphia, PA7 shared Louis Dubin · Washington, Washington, D.C.6 shared William Passmore · Washington, Washington, D.C.6 shared Thierry W. Timsit · Luxembourg, Luxembourg6 shared Thibaut J. Cavrois · Luxembourg, Luxembourg6 shared Kevin Nelson · Brunswick, OH6 shared Astorg Asset Management · Luxembourg, Luxembourg6 shared Thomas Hale · Venice, CA6 shared Ian D. Eliason · Seattle, WA6 shared Michael Moriarty · Venice, CA6 shared Pascal C. Leclerc · Luxembourg, Luxembourg6 shared Pascal W. Vinarnic · Luxembourg, Luxembourg6 shared Astorg Asset Management · Luxembourg, Luxembourg6 shared Jacob W. Bang-Olsen · Luxembourg, Luxembourg6 shared Patricia Costello · San Mateo, CA5 shared Francois E. De Mitry · Luxembourg, Luxembourg5 shared Astorg Viii (Gp) · Luxembourg, Luxembourg4 shared Thomas Skinner · Washington, Washington, D.C.4 shared Astorg Viii (Gp) · Luxembourg, Luxembourg4 shared Astorg Viii (Gp) · Luxembourg, Luxembourg4 shared Neal D. Mody · Seattle, WA4 shared John Gallagher · San Antonio, TX3 shared Andrew Warshauer · Denver, CO3 shared

Recent filings (14)

Leap Services, Inc.Mar 2026 · 3 co-filers$15.0M Atlis Real Estate Fund II, LLCJul 2024 · 7 co-filers$15.0M Atlis Real Estate Fund II, LLCJul 2024 · 7 co-filers$15.0M LongFi Solutions, Inc.May 2024 · 5 co-filers$1.0M Leap Services, Inc.Oct 2023 · 14 co-filers$15.0M LongFi Solutions, Inc.Oct 2023 · 5 co-filers$1.8M LongFi Solutions, Inc.Jul 2023 · 5 co-filers$1.8M Atlis Real Estate Fund II, LLCJul 2023 · 7 co-filers$15.0M Atlis Real Estate Fund II, LLCJul 2023 · 7 co-filers$15.0M Astorg VIII Co-Invest LithiumNov 2022 · 25 co-filers Astorg Co-Invest AvaniaNov 2022 · 24 co-filers Astorg VII Co-Invest EcovadisSep 2022 · 19 co-filers Astorg VIII Co-Invest Open HealthJul 2022 · 22 co-filers Astorg VIII Co-Invest CordenJun 2022 · 25 co-filers Astorg VIII Co-Invest Corden FJun 2022 · 25 co-filers Leap Services, Inc.Jan 2022 · 10 co-filers$40.4M

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