Investor · Los Angeles, CA

Mark Jeffrey

Open Mark in the network graph →

Filings

3

SEC Form D

Connections

4

co-filers

Capital

$3.2M

across filings

Active

May 2010

to Nov 2025

Most-connected co-filers (4)

Jason Calacanis · Sacramento, CA3 shared Robert Greer · Los Angeles, CA2 shared Daniel Quatrella · Los Angeles, CA2 shared Kevin Pollak · Santa Monica, CA1 shared

Recent filings (3)

Stillcore Capital Fund II, LPNov 2025 · 7 co-filers$40.0M Stillcore Capital Fund II, LPNov 2025 · 7 co-filers$40.0M Stillcore Capital Fund I, LPSep 2025 · 7 co-filers Stillcore Capital Fund I, LPSep 2025 · 7 co-filers THISWEEKIN, INC.May 2010 · 4 co-filers$300K THISWEEKIN, INC.May 2010 · 4 co-filers$300K

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