Investor · Philadelphia, PA

Leon O. Moulder

Open Leon in the network graph →

Filings

6

SEC Form D

Connections

32

co-filers

Capital

$51.4M

across filings

Active

Jun 2024

to Feb 2026

Most-connected co-filers (32)

Jonathan E. Violin · Waltham, MA2 shared Dora R. Mitchell · Philadelphia, PA1 shared Michael Dale · West Newton, MA1 shared Brandon E. Fitch · New York, NY1 shared Leon R. Moulder, Jr · Miromar Lakes, FL1 shared Craig B. Prenter · Vancouver, British Columbia, Canada1 shared Evangelos Badiavas · CORAL GABLES, FL1 shared Shelley Hartman · LEXINGTON, MA1 shared David Cotter · Tacoma, WA1 shared Patrick C. Condo · Vienna, VA1 shared Kenneth E. Thompson · Waltham, MA1 shared Philip R. Johnson, M.D · Philadelphia, PA1 shared Jason Keiser · Malvern, PA1 shared Jenne Britell · Austin, TX1 shared David H. Schimel · Boulder, CO1 shared Winifred Walters · Flagler, CO1 shared Stephen D. Reynolds · Coral Gables, FL1 shared Peter A. Sherlock · Westport, CT1 shared Venkat Subramanian · SEATTLE, WA1 shared Sharyn A. Alexander · Duncan, British Columbia, Canada1 shared Thomas S. Bremner · Carlsbad, CA1 shared James C. Theofilos · Rockaway, NJ1 shared Bihua O. Chen · Philadelphia, PA1 shared Preston Noon · Philadelphia, PA1 shared

Recent filings (6)

Aegle Therapeutics CorpMar 2026 · 6 co-filers$700K Praeventix, Inc.Feb 2026 · 3 co-filers$5.0M Interius BioTherapeutics, Inc.Jun 2024 · 15 co-filers$82.5M Interius BioTherapeutics, Inc.Jun 2024 · 15 co-filers$82.5M ViTToria Biotherapeutics, Inc.Dec 2021 · 9 co-filers$9.2M ViTToria Biotherapeutics, Inc.Dec 2021 · 9 co-filers$9.2M Dianthus Therapeutics, Inc.Apr 2021 · 7 co-filers$8K Dianthus Therapeutics, Inc.Apr 2021 · 7 co-filers$8K Dianthus Therapeutics, Inc.Aug 2019 · 1 co-filer$3.5M

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