Investor · Boulder, CO
David H. Mandell
Open David in the network graph →Filings
41
SEC Form D
Connections
134
co-filers
Capital
$334K
across filings
Active
Jun 2023
to Nov 2025
Most-connected co-filers (134)
Andrew R. Whittaker · St. Peter Port, Y724 sharedNorman R. Amey · St. Peter Port, Y724 sharedSteven R. Batchelor · London, United Kingdom22 sharedMatthew Brockman · London, United Kingdom22 sharedAlan Cline · London, United Kingdom22 sharedJustin Von Simson · London, United Kingdom22 sharedJean-Baptiste Brian · London, United Kingdom22 sharedNicholas Humphries · London, United Kingdom22 sharedDavid Issott · London, United Kingdom22 sharedKaty Hodgetts · St. Peter Port, Y718 sharedAri H. Newman · Boulder, CO17 sharedHg Saturn 4 General Partner (Guernsey) Limited · St. Peter Port, Y712 sharedHg Saturn 4 General Partner (Guernsey) Limited · St. Peter Port, Y79 sharedHg Saturn 4 General Partner (Guernsey) Limited · St. Peter Port, Y79 sharedHg Mercury 5 General Partner (Guernsey) Limited · St. Peter Port, Y75 sharedHg Genesis 11 General Partner (Guernsey) Limited · St. Peter Port, Y74 sharedHg Mercury 5 General Partner (Guernsey) Limited · St. Peter Port, Y74 sharedHg Mercury 5 General Partner (Guernsey) Limited · St. Peter Port, Y74 sharedHg Genesis 11 General Partner L.P. Inc · St. Peter Port, Y73 sharedHg Genesis 11 General Partner (Guernsey) Limited · St. Peter Port, Y73 sharedHg Genesis 11 General Partner (Guernsey) Limited · St. Peter Port, Y73 sharedHg Mercury 5 General Partner L.P. Inc · St. Peter Port, Y73 sharedHg Genesis 11 General Partner L.P. Inc · St. Peter Port, Y73 sharedGreg Wilson · Santa Ana, CA3 shared
Recent filings (41)
Onward 2 Co-Invest Aggregator L.P.Mar 2026 · 10 co-filers$549.0MO6 Co-Invest L.P.Mar 2026 · 10 co-filersOnward Co-Invest L.P.Feb 2026 · 10 co-filersHg Genesis 11 F&F L.P.Jan 2026 · 10 co-filersHg Mercury 5 F&F L.P.Jan 2026 · 10 co-filersNC2 Co-Invest L.P.Jan 2026 · 10 co-filersDeimos, a series of Massive Scale Ventures III LLCNov 2025 · 5 co-filers$129KDeimos, a series of Massive Scale Ventures III LLCNov 2025 · 5 co-filers$129KMercury 5 Co-Invest L.P.Oct 2025 · 16 co-filersHg Saturn 4 F&F L.P.Sep 2025 · 16 co-filersTriton, a series of Massive Scale Ventures III LLCSep 2025 · 5 co-filers$156KHyperion, a series of Massive Scale Ventures III LLCSep 2025 · 5 co-filers$48KTriton, a series of Massive Scale Ventures III LLCSep 2025 · 5 co-filers$156KHyperion, a series of Massive Scale Ventures III LLCSep 2025 · 5 co-filers$48KE1 Co-Invest L.P.Sep 2025 · 16 co-filersGanymede, a series of Massive Scale Ventures III LLCAug 2025 · 3 co-filers$918KGanymede, a series of Massive Scale Ventures III LLCAug 2025 · 3 co-filers$918KHg Co-Invest N II, L.P.Jun 2025 · 16 co-filersHg Saturn 4 P&E L.P.Jun 2025 · 15 co-filersTracer Co-Invest L.P.Jun 2025 · 16 co-filersTessera 2 Co-Invest L.P.Jun 2025 · 11 co-filersHg Genesis 11 H L.P.May 2025 · 18 co-filersHg Mercury 5 H L.P.May 2025 · 19 co-filersHg Saturn 4 E L.P.May 2025 · 18 co-filersHg Mercury 5 B L.P.May 2025 · 19 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See David in the interactive graph →