Investor · Dallas, TX
David S. Gassko
Open David in the network graph →Filings
29
SEC Form D
Connections
140
co-filers
Capital
$1.0B
across filings
Active
Jan 2018
to Oct 2025
Most-connected co-filers (140)
William G. Neisel · Dallas, TX27 sharedAndrew S. Rosen · Dallas, TX23 sharedJeffrey L. Moredock · Dallas, TX18 sharedJay J. Desai · Dallas, TX18 sharedDaniel J. Hopkin · Dallas, TX18 sharedKevin E. Elliott · Dallas, TX18 sharedDavid W. Knickel · Dallas, TX17 sharedRobert W. Sperry · Dallas, TX17 sharedPhilip Riese · Seattle, WA15 sharedCharles B. Stonecipher · Bellevue, WA15 sharedJijun Hu · BEIJING, Israel15 sharedChristopher Fashek · Elmsford, NY15 sharedArlene L. Morris · Cambridge, MA15 sharedDietrich Shirley · Vancouver, British Columbia, Canada15 sharedJessica L. Sachs · Cambridge, MA15 sharedRon B. Shah · Seattle, WA15 sharedMatthew B. Oppenheimer · Seattle, WA15 sharedSatish U. Patel · Dallas, TX15 sharedSusanna Morgan · Seattle, WA15 sharedYongquan Bi · BEIJING, Israel15 sharedJody Rebak · Vancouver, British Columbia, Canada15 sharedEric E. Lloyd · Charlotte, NC15 sharedHarold Jacob · Elmsford, NY14 sharedJoshua B. Hug · Seattle, WA14 shared
Recent filings (29)
A Plus Fund, L.L.C.Feb 2026 · 4 co-filersMuenster Milling Holdings LPOct 2025 · 22 co-filersA Plus Fund, L.L.C.Feb 2025 · 14 co-filersKainos GF Holdings Feeder LPJan 2025 · 29 co-filersKainos GF Holdings LPJan 2025 · 29 co-filersKainos GF Holdings Feeder LPJan 2025 · 29 co-filersKainos GF Holdings LPJan 2025 · 29 co-filersKM Blocker Corp.Jan 2025 · 29 co-filersKainos NS Holdings LPJan 2025 · 29 co-filersPrometheus Therapeutics Inc.Jun 2024 · 11 co-filers$8.4MPrometheus Therapeutics Inc.Apr 2024 · 11 co-filers$8.4MKM Blocker Corp.Jan 2024 · 35 co-filersWhisps Holdings LPJan 2024 · 35 co-filersFyberX Holding, LLCMay 2023 · 11 co-filersWhisps Holdings LPMar 2023 · 35 co-filersPrometheus Therapeutics Inc.Feb 2023 · 11 co-filers$8.4MFyberX Holding, LLCFeb 2023 · 11 co-filersKM Blocker Corp.Dec 2022 · 35 co-filersKainos NS Holdings LPMar 2022 · 29 co-filersMuenster Milling Holdings LPAug 2021 · 35 co-filersKM Blocker Corp.Aug 2021 · 35 co-filersMuenster Milling Holdings LPAug 2021 · 35 co-filersKainos NS Holdings LPMay 2021 · 29 co-filers$178.0MKainos NS Holdings LPMar 2021 · 29 co-filersKainos NS Holdings LPDec 2020 · 29 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See David in the interactive graph →