Investor · Eden Prairie, MN
David A. Rosa
Open David in the network graph →Filings
50
SEC Form D
Connections
218
co-filers
Capital
$4.5M
across filings
Active
Apr 2016
to Feb 2022
Most-connected co-filers (218)
Mark S. Christianson · Eden Prairie, MN23 sharedPaul S. Buckman · Eden Prairie, MN19 sharedJeffrey S. Mathiesen · Eden Prairie, MN16 sharedSuraj S. Kalia · Eden Prairie, MN11 sharedJoel S. Marcus · Pasadena, CA9 sharedJoshua J. Carson · New York, NY9 sharedJoel Marks · Los Angeles, CA9 sharedRaj Kaul · Durham, NC9 sharedChris Marks · Denver, CO9 sharedMichael F. O'Connor · Woodbridge, VA9 sharedPaul Schimmel · Durham, NC9 sharedMark J. Gibson · Brooklyn, NY9 sharedTariq Bsharat · Mamaroneck, NY9 sharedJames K. Robertson · North Andover, MA8 sharedJames B. Hawkes · North Andover, MA8 sharedJay D. Ward · North Andover, MA8 sharedMichael D. Rogers · North Andover, MA8 sharedRichard A. Pierro, Jr · North Andover, MA8 sharedThomas A. Bachinski · Lakeville, MN7 sharedJoseph J. Sitt · New York, NY6 sharedThomas Powell · Reno, NV6 sharedWalter Gilbert · Cambridge, MA6 sharedSteve A. Mertens · Eden Prairie, MN6 sharedKathryn A. Sykes · Phoenix, AZ5 shared
Recent filings (50)
Healthcare Triangle, Inc.Dec 2025 · 10 co-filers$15.0MHealthcare Triangle, Inc.Dec 2025 · 10 co-filers$15.0MHealthcare Triangle, Inc.Dec 2025 · 10 co-filers$15.0MMiRTLE Medical LLCSep 2025 · 14 co-filers$1.2MMiRTLE Medical LLCJul 2025 · 14 co-filers$400KMiRTLE Medical LLCJun 2025 · 14 co-filers$500KMiRTLE Medical LLCSep 2024 · 14 co-filers$2.5MNEUROONE MEDICAL TECHNOLOGIES CorpAug 2024 · 15 co-filers$276KNEUROONE MEDICAL TECHNOLOGIES CorpAug 2024 · 15 co-filers$276KBIOTRICITY INC.Apr 2024 · 9 co-filers$1.0MBIOTRICITY INC.Apr 2024 · 9 co-filers$1.0MMiRTLE Medical LLCJun 2023 · 14 co-filers$1.0MSA Investment Partnership VIII LLCFeb 2022 · 31 co-filers$95.6MKardium Inc.Apr 2021 · 11 co-filers$116.3MKardium Inc.Apr 2021 · 11 co-filers$116.3MNEUROONE MEDICAL TECHNOLOGIES CorpJan 2021 · 19 co-filers$12.5MBIOTRICITY INC.Aug 2020 · 11 co-filers$10.0MNEUROONE MEDICAL TECHNOLOGIES CorpAug 2020 · 17 co-filers$135KBIOTRICITY INC.Aug 2020 · 11 co-filers$10.0MNEUROONE MEDICAL TECHNOLOGIES CorpMay 2020 · 17 co-filers$6.0MArterys IncMay 2020 · 10 co-filers$27.5MArterys IncMay 2020 · 10 co-filers$27.5MNEUROONE MEDICAL TECHNOLOGIES CorpNov 2019 · 17 co-filers$3.0MNEUROONE MEDICAL TECHNOLOGIES CorpNov 2019 · 17 co-filers$1.0MMiRTLE Medical LLCOct 2019 · 14 co-filers$700K
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See David in the interactive graph →