Ledger.
Investor · Old Bethpage, NY

William E. O'Neill

Open William in the network graph →
Filings
24
SEC Form D
Connections
80
co-filers
Capital
$2.2M
across filings
Active
Dec 2021
to Jan 2024

Most-connected co-filers (80)

Jon A. Northrop · Crestone, CO11 sharedMark Smith · New York, NY11 sharedEdward T. Schafer · Crestone, CO11 sharedWilliam J. Rupp · Old Bethpage, NY9 sharedSalvatore J. Zizza · Rye, NY5 sharedDominic A. Bassani · Crestone, CO5 sharedMaximilian A. Gottschalk · London, United Kingdom4 sharedSection Partners Management, Llc · Palo Alto, CA4 sharedVictoria Wood · HOUSTON, TX4 sharedBen Halliday · Dallas, TX4 sharedJan Stieger · Wall Township, NJ4 sharedSection Partners Management, Llc · Palo Alto, CA4 sharedTrent J. May · DENVER, CO4 sharedJohn David V. Crowder · Palo Alto, CA4 sharedMagnus P. Sjocrona · Stockholm, V74 sharedMichael S. Piper · Wall Township, NJ4 sharedRichard *. Kaplan · Chicago, IL3 sharedGeorge Bloom · CRESTONE, CO3 sharedChris Brennan · Kerry, Ireland3 sharedBradley J. Walker · oakland, CA3 sharedJeremy Rowland · CRESTONE, CO3 sharedRussell Brenner · Skokie, IL3 sharedRobert K. Rupp · Columbus, OH3 sharedAndrew E. Grenville · Seattle, WA3 shared

Recent filings (24)

Section Ventures II, LPSep 2025 · 6 co-filers$50.0MBION ENVIRONMENTAL TECHNOLOGIES INCFeb 2024 · 16 co-filers$6.0MBION ENVIRONMENTAL TECHNOLOGIES INCFeb 2024 · 16 co-filers$6.0MBION ENVIRONMENTAL TECHNOLOGIES INCJan 2024 · 12 co-filers$300KBION ENVIRONMENTAL TECHNOLOGIES INCDec 2023 · 12 co-filers$6.0MSP-Intercept DP Partners, LPNov 2023 · 6 co-filers$5.0MBION ENVIRONMENTAL TECHNOLOGIES INCOct 2023 · 15 co-filers$1.5MBION ENVIRONMENTAL TECHNOLOGIES INCMar 2023 · 15 co-filers$10.0MSection Ventures II, LPMar 2023 · 6 co-filers$50.0MBION ENVIRONMENTAL TECHNOLOGIES INCJan 2023 · 14 co-filers$2.0MBION ENVIRONMENTAL TECHNOLOGIES INCJan 2023 · 14 co-filers$2.0MBION ENVIRONMENTAL TECHNOLOGIES INCJul 2022 · 9 co-filers$320KBION ENVIRONMENTAL TECHNOLOGIES INCJul 2022 · 9 co-filers$320KHorizon VC, LPMay 2022 · 5 co-filers$44.0MHorizon VC, LPDec 2021 · 5 co-filers$30.0MYami Investment LtdDec 2021 · 11 co-filers$30.0MYami Investment LtdDec 2021 · 11 co-filers$7.6MCarson Life, Inc.Oct 2021 · 9 co-filers$1.5MSP LIQ Partners, LPOct 2021 · 6 co-filers$5.0MCarson Life, Inc.Jul 2018 · 5 co-filers$3.5MInpria CorpJun 2014 · 8 co-filers$8.8MInpria CorpDec 2013 · 8 co-filers$7.3MBION ENVIRONMENTAL TECHNOLOGIES INCApr 2011 · 11 co-filers$2.0MBION ENVIRONMENTAL TECHNOLOGIES INCMar 2011 · 11 co-filers$1.0MBION ENVIRONMENTAL TECHNOLOGIES INCJan 2011 · 11 co-filers$600K

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