Investor · San Francisco, CA

William Stapleton

Open William in the network graph →

Filings

9

SEC Form D

Connections

86

co-filers

Capital

$12.5M

across filings

Active

Mar 2023

to Feb 2025

Most-connected co-filers (86)

Carol A. Vallone · New York, NY9 shared John Mendelson · San Francisco, CA7 shared Mike Stapleton · San Francisco, CA4 shared Martin Rosenzweig · San Francisco, CA4 shared Michael N. Balmuth · Boston, MA4 shared Susan Harrington · San Francisco, CA4 shared Aimee Peters · San Francisco, CA4 shared Garrett Klein · New York, NY4 shared Daniel Barlow · CHICAGO, IL3 shared Brad Hansen · Lehi, UT3 shared Cary Jenkins · Lehi, UT3 shared Stephen Griesemer · CHICAGO, IL3 shared Charles Grace · CHICAGO, IL3 shared Andres A. Robelo · Miami, FL3 shared Dr. Jason D. Wingard · Chestnut Hill, PA2 shared Noah Gottdiener · New York, NY2 shared Christopher D. Matteson · New York, NY2 shared Jacqueline M. Giammarco · Greenwich, CT2 shared Edward W. Forman · New York, NY2 shared David S. Fisher · Atlanta, GA2 shared Gary D. Fields · Tulsa, OK2 shared A.H. O. Mcelroy Ii · Tulsa, OK2 shared David R. Stewart · Tulsa, OK2 shared Anthony D. Amitrano · New York, NY2 shared

Recent filings (9)

Delta Parent Holdings, Inc.Mar 2025 · 43 co-filers Ria Technology Management Inc.Feb 2025 · 23 co-filers$6.5M Ria Technology Management Inc.Feb 2025 · 23 co-filers$6.5M Ria Technology Management Inc.Jan 2025 · 23 co-filers$6.0M Ria Technology Management Inc.Jan 2025 · 23 co-filers$6.0M Delta Parent Holdings, Inc.Jan 2025 · 43 co-filers AAON, INC.Apr 2024 · 48 co-filers$14.2M MAY RIVER EXECUTIVE FUND III, LPMay 2023 · 8 co-filers$10.0M AAON, INC.Mar 2023 · 44 co-filers$29.3M MAY RIVER CAPITAL FUND III, LPMar 2023 · 8 co-filers$450.0M MAY RIVER CAPITAL FUND III-A, LPMar 2023 · 8 co-filers$450.0M

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