Investor · PRINCETON, NJ

Mark C. Glasgold

Open Mark in the network graph →

Filings

11

SEC Form D

Connections

84

co-filers

Capital

$140.8M

across filings

Active

Apr 2021

to Dec 2025

Most-connected co-filers (84)

Gregory C. Moran · Columbus, OH11 shared Tim Madigan · Dublin, Ireland6 shared Jennifer K. Li · San Francisco, CA5 shared Graham Anderson · New York, NY5 shared Robert C. Mcclennan · New York, NY5 shared Peter J. Mundheim · Greenwich, CT5 shared Joshua S. Goldman · Greenwich, CT4 shared Jeff Deville · Philadelphia, PA4 shared Mostafa Ronaghi · Palo Alto, CA4 shared Kazutaka K. Ohno · Redwood City, CA4 shared Daniel Haynes · Charlotte, NC4 shared Advitheey Chelikani · San Francisco, CA4 shared Jeremy R. Latham · St Peter Port, Y74 shared John S. Nichols · Coeur d'Alene, ID4 shared Jonathan Landes · NEW YORK, NY4 shared Alexander Massa · NEW YORK, NY4 shared Jacqueline M. Giammarco · Greenwich, CT4 shared Benjamin Siegel · NEW YORK, NY4 shared Christine C. Li · Singapore, U03 shared Jeremy P. Hilton · Burnaby, British Columbia, Canada2 shared Patrick E. Mockler · Baton Rouge, LA2 shared David R. Melville, Iii · Baton Rouge, LA2 shared Greg Wang · Fort Lee, NJ2 shared Brandon Krieg · New York, NY2 shared

Recent filings (11)

Koios Medical, Inc.Dec 2025 · 10 co-filers Koios Medical, Inc.Jun 2024 · 14 co-filers$500K Koios Medical, Inc.May 2024 · 14 co-filers$500.0M Phoenix Tower Houston Holdings LLCJul 2023 · 8 co-filers$113.6M Phoenix Tower Houston LPJul 2023 · 8 co-filers$113.6M Koios Medical, Inc.Feb 2023 · 15 co-filers$12.0M Business First Bancshares, Inc.Sep 2022 · 60 co-filers$72.0M Koios Medical, Inc.Aug 2022 · 13 co-filers$5.0M Business First Bancshares, Inc.Apr 2021 · 60 co-filers$52.5M Americana Portfolio VIII LPApr 2021 · 8 co-filers$53.0M Americana Portfolio VIII Holdings LLCApr 2021 · 8 co-filers$53.0M

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