Investor · New York, NY

Mark R. Sullivan

Open Mark in the network graph →

Filings

9

SEC Form D

Connections

42

co-filers

Capital

$82.0M

across filings

Active

Apr 2022

to Jun 2025

Most-connected co-filers (42)

Carrie H. Liao · New York, NY7 shared Suzanne Bruhn · South San Francisco, CA7 shared Roger R. Crystal · New York, NY7 shared Carol A. Vallone · New York, NY4 shared Mayra E. Daigneault · Hawthorne, CA3 shared Willoughby T. Henshaw · Hawthorne, CA3 shared John G. Clancy · Hawthorne, CA3 shared Deepak Verma · Marlboro, MA3 shared Anil Gupta · Rockville, MD3 shared David Baum · New York, NY3 shared Roger Sands · Marlboro, MA3 shared Scott E. Ko · Hawthorne, CA3 shared Matthew Rhodes-Kropf · New York, NY3 shared David A. Gryska · New York, NY2 shared Andreas R. Krebs · New York, NY2 shared Robert Barrow · New York, NY2 shared Daniel H. Karlin · New York, NY2 shared Rahul Bhatia · Basking Ridge, NJ2 shared David K. Pearson · Houston, TX2 shared Turtle Creek Capital, LLC · DALLAS, TX2 shared Brittany Palmer · Wayland, MA2 shared John L. Reilly · Dallas, TX2 shared Benjamin L. Carter · Dallas, TX2 shared Gregory L. Kalb · Dallas, TX2 shared

Recent filings (9)

Wyebot, Inc.Jun 2025 · 14 co-filers$2.5M Mind Medicine (MindMed) Inc.May 2025 · 28 co-filers$7.0M Mind Medicine (MindMed) Inc.May 2025 · 28 co-filers$7.0M Wyebot, Inc.Mar 2025 · 14 co-filers$2.5M TCWA Esperanza GoM, LLCMar 2024 · 17 co-filers Mind Medicine (MindMed) Inc.Mar 2024 · 30 co-filers$75.0M Mind Medicine (MindMed) Inc.Mar 2024 · 30 co-filers$75.0M TCWA Esperanza GoM, LLCFeb 2024 · 17 co-filers Beeyonder, Inc.Mar 2023 · 10 co-filers$1.5M Beeyonder, Inc.Apr 2022 · 2 co-filers$1.5M Wyebot, Inc.Apr 2022 · 13 co-filers$8.0M

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