Investor · San Ramon, CA

Mark Shulgan

Open Mark in the network graph →

Filings

4

SEC Form D

Connections

32

co-filers

Capital

$262.7M

across filings

Active

Oct 2020

to Oct 2025

Most-connected co-filers (32)

Jen Grant · Santa Cruz, CA2 shared Craig Walker · Vancouver, British Columbia, Canada2 shared John Kim · New York, NY2 shared Brian Peterson · Kelowna, British Columbia, Canada2 shared William J. Griffith · San Francisco, CA2 shared Rich Miner · New York, NY2 shared Dan O'Connell · San Ramon, CA2 shared John Rector · San Ramon, CA2 shared Lily Toy · San Ramon, CA2 shared Marc Andreessen · Menlo Park, CA2 shared Jeremy Andrews · St. John's, Newfoundland and Labrador, Canada1 shared Adam Keating · St. John's, Newfoundland and Labrador, Canada1 shared Joe Mckenna · St. John's, Newfoundland and Labrador, Canada1 shared Colette Goodyear · St. John's, Newfoundland and Labrador, Canada1 shared Michael Shephard · New York, NY1 shared Steve J. Sutter · San Mateo, CA1 shared Steve Lacommare · San Francisco, CA1 shared Joshua Fredberg · New York, NY1 shared Scott Friend · New York, NY1 shared Steven J. Hamerslag · San Diego, CA1 shared James Wylie · Boston, MA1 shared Raymond F. Mui · Boston, MA1 shared Brian Wolahan · Boston, MA1 shared Paul A. Iaffaldano · Atlanta, GA1 shared

Recent filings (4)

CoLab AI Inc.Oct 2025 · 20 co-filers$14.8M CoLab AI Inc.Oct 2025 · 20 co-filers$14.8M Celigo, Inc.Dec 2021 · 12 co-filers$47.9M Celigo, Inc.Dec 2021 · 12 co-filers$47.9M Dialpad, Inc.Dec 2020 · 21 co-filers$135.9M Dialpad, Inc.Dec 2020 · 21 co-filers$135.9M Dialpad, Inc.Oct 2020 · 23 co-filers$111.9M Dialpad, Inc.Oct 2020 · 23 co-filers$111.9M

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