Ledger.
Investor · BOHEMIA, NY

Helena Santos

Open Helena in the network graph →
Filings
11
SEC Form D
Connections
43
co-filers
Capital
$33.2M
across filings
Active
Mar 2019
to Feb 2024

Most-connected co-filers (43)

Marcus Frampton · BOHEMIA, NY10 sharedJohn Moore · Boulder, CO10 sharedJoseph Cremonese · Bohemia, NY7 sharedRobert Nichols · Bohemia, NY6 sharedChristopher Cox · BOHEMIA, NY5 sharedWarren A. Kirshenbaum · Newton, MA5 sharedAlexandre Carvalhal · Roswell, GA5 sharedSamay Kohli · Roswell, GA5 sharedAkash Gupta · Roswell, GA5 sharedRobert N. Nix, Iii · Philadelphia, PA5 sharedCharles B. Crawford, Jr · Philadelphia, PA5 sharedNatalie Mccullough · DENVER, CO4 sharedGreg Siegel · DENVER, CO4 sharedLouis J. Decesare, Jr · Philadelphia, PA4 sharedPaul D. Rutkowski · Philadelphia, PA4 sharedJuergen Schumacher · BOHEMIA, NY4 sharedGreg Tatem · Los Angeles, CA3 sharedPeter Sobiloff · New York, NY3 sharedVijay Lathi · San Mateo, CA3 sharedJohn Hundrieser · McHenry, IL3 sharedJeffrey B. Maters · Chicago, IL3 sharedFerry Tamtoro · San Jose, CA3 sharedReinhard Vogt · Bohemia, NY3 sharedKevin P. Genda · New York, NY3 shared

Recent filings (11)

SCIENTIFIC INDUSTRIES INCMay 2025 · 11 co-filers$1.6MSCIENTIFIC INDUSTRIES INCMay 2025 · 11 co-filers$1.6MSCIENTIFIC INDUSTRIES INCFeb 2024 · 14 co-filers$7.0MSCIENTIFIC INDUSTRIES INCMar 2022 · 23 co-filers$3.0MHumanPredictions Software Inc.Dec 2021 · 11 co-filers$841KSCIENTIFIC INDUSTRIES INCJul 2021 · 22 co-filers$9.5MSCIENTIFIC INDUSTRIES INCMay 2021 · 19 co-filers$7.6MSCIENTIFIC INDUSTRIES INCJun 2020 · 18 co-filers$6.1MHumanPredictions Software Inc.Apr 2019 · 13 co-filers$1.4MHumanPredictions Software Inc.Mar 2019 · 14 co-filers$1.3MATX Seed Ventures II, L.P.Mar 2019 · 8 co-filers$32.3MATX Seed Ventures II, L.P.Mar 2019 · 8 co-filers$32.3M

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