Ledger.
Investor · Boston, MA

David E. Martirano

Open David in the network graph →
Filings
97
SEC Form D
Connections
401
co-filers
Capital
$52.5M
across filings
Active
Jul 2011
to Jun 2017

Most-connected co-filers (401)

Zaid Ashai · Boston, MA20 sharedTom Yau · NEW YORK, NY16 sharedLykourgos Tsirakis · NEW YORK, NY16 sharedPanayotis Korantzopoulos · New York, NY15 sharedJason Heltzer · Chicago, IL11 sharedDavid Payne · Atlanta, GA10 sharedRyan W. Tiffany · Boston, MA10 sharedAnthony Tjan · Needham, MA10 sharedWaypoint Residential, LLC · Stamford, CT10 sharedFrank A. Fornari · Midlothian, VA10 sharedLarry C. Oldham · Midland, TX10 sharedHartej Jagdev · Grand Cayman, Cayman Islands10 sharedRichard Cleaver · Stamford, CT10 sharedPamela Linden · Boca Raton, FL10 sharedMichal Y. Alter · New York, NY10 sharedAllen T. Darnell · Austin, TX9 sharedRobert E. Pantano · Boston, MA9 sharedWilliam Quist · San Francisco, CA9 sharedWP Development Fund I GP Holdings, LLC · Stamford, CT9 sharedCliff A. Fleet · Midlothian, VA9 sharedGraham W. Mcdonald · Edinburgh, United Kingdom9 sharedJohn L. Douglas · New York, NY9 sharedDeron W. Triff · New York, NY9 sharedBrendan M. Mulshine · CHICAGO, IL8 shared

Recent filings (97)

Ballast Equity Partners Fund I, L.P.Apr 2025 · 7 co-filers$100.0MBallast Equity Partners Fund I, L.P.Apr 2025 · 7 co-filers$100.0MHealth Outlook CorpAug 2024 · 20 co-filers$5.0MHealth Outlook CorpJan 2024 · 20 co-filers$3.5M77 AI LLCDec 2023 · 4 co-filers$2.2MBallast Equity Partners Fund I, L.P.Dec 2023 · 7 co-filers$100.0MBallast Equity Partners Fund I, L.P.Dec 2023 · 7 co-filers$100.0M77 AI LLCDec 2023 · 4 co-filers77 AI LLCNov 2023 · 4 co-filersHealth Outlook CorpJul 2023 · 20 co-filers$4.0MBFF Fund I LPMay 2023 · 7 co-filersPJC Fund VI, L.P.Jun 2022 · 3 co-filers$100.0MPJC Fund VI, L.P.Jun 2022 · 3 co-filers$100.0MHealth Outlook CorpJun 2022 · 20 co-filers$8.2MBFF Fund I LPJun 2022 · 7 co-filersBiostage, Inc.Jun 2022 · 25 co-filers$5.1MD2C Stores Inc.Mar 2022 · 7 co-filers$11.5MD2C Stores Inc.Mar 2022 · 7 co-filers$11.5MBiostage, Inc.Sep 2021 · 23 co-filers$3.0MRingmaster Technologies, Inc.Jul 2021 · 12 co-filers$5.0MRingmaster Technologies, Inc.Jul 2021 · 12 co-filers$5.0MBiostage, Inc.Jun 2021 · 23 co-filers$2.0MRyan Specialty Group, LLCSep 2020 · 42 co-filers$317.3MBiostage, Inc.Aug 2020 · 23 co-filers$6.9MBiostage, Inc.Apr 2020 · 23 co-filers$2.2M

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