Investor · Waltham, MA

Richard Simon

Open Richard in the network graph →

Filings

7

SEC Form D

Connections

21

co-filers

Capital

$90.5M

across filings

Active

Jun 2009

to Jul 2025

Most-connected co-filers (21)

Jerrold Rosenbaum · Waltham, MA5 shared Kevin Lalande · South San Francisco, CA4 shared Ryan Katz · Rockville, MD4 shared Pranav Tadi · Waltham, MA3 shared Balkrishan Gill · Philadelphia, PA2 shared Alexandra Glucksmann · Cambridge, MA2 shared Francis C. Poli · New York, NY1 shared Carl Venezia · Watertown, MA1 shared Chad Moss · Ft. Lauderdale, FL1 shared Marc Abou-Ezzi · Methuen, MA1 shared Jacob Hooker · Medford, MA1 shared David Southwell · Waltham, MA1 shared Martin Cohen · NEW YORK, NY1 shared Peter Rhein · New York, NY1 shared Edmond D. Villani · Boston, MA1 shared Matthew S. Stadler · New York, NY1 shared Richard Bruce · Hamilton, Bermuda1 shared Harold N. Callais · Thibodaux, LA1 shared Joseph M. Harvey · NEW YORK, NY1 shared Robert M. Steers · New York, NY1 shared Adam M. Derechin · NEW YORK, NY1 shared

Recent filings (7)

Sensorium Therapeutics, Inc.Jul 2025 · 13 co-filers$58.5M Sensorium Therapeutics, Inc.Jul 2025 · 13 co-filers$58.5M Sensorium Therapeutics, Inc.Feb 2025 · 13 co-filers$38.5M Sensorium Therapeutics, Inc.Feb 2025 · 13 co-filers$38.5M 232 Old North, LLCJan 2024 · 7 co-filers$1.0M 232 Old North, LLCJan 2024 · 7 co-filers$1.0M Sensorium Therapeutics, Inc.Dec 2023 · 9 co-filers$24.8M Sensorium Therapeutics, Inc.Dec 2023 · 9 co-filers$24.8M Sensorium Therapeutics, Inc.Oct 2022 · 9 co-filers$24.8M Sensorium Therapeutics, Inc.Oct 2022 · 9 co-filers$24.8M Sensorium Therapeutics, Inc.Jul 2021 · 5 co-filers$9.0M Sensorium Therapeutics, Inc.Jul 2021 · 5 co-filers$9.0M Cohen & Steers Global Real Estate Long-Short Fund, LPJun 2009 · 11 co-filers Cohen & Steers Global Real Estate Long-Short Fund, LPJun 2009 · 11 co-filers

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