Investor · Greenwood Village, CO
David C. Birnbaum
Open David in the network graph →Filings
41
SEC Form D
Connections
23
co-filers
Capital
$7.0B
across filings
Active
Jan 2016
to Nov 2025
Most-connected co-filers (23)
Ian C. Griffis · Greenwood Village, CO40 sharedPremium Apartment Fund Management V, Llc · Greenwood Village, CO14 sharedPremium Apartment Fund Management V, Llc · Greenwood Village, CO14 sharedPremium Apartment Asset Management V, Llc · Greenwood Village, CO14 sharedPremium Apartment Asset Management V, Llc · Greenwood Village, CO14 sharedPremium Apartment Asset Management V, Llc · Greenwood Village, CO14 sharedPremium Apartment Asset Management Vi, Llc · Greenwood Village, CO12 sharedPremium Apartment Asset Management Vi, Llc · Greenwood Village, CO12 sharedPremium Apartment Asset Management Vi, Llc · Greenwood Village, CO12 sharedGrit Asset Management, Llc · Greenwood Village, CO11 sharedGrit Asset Management, Llc · Greenwood Village, CO11 sharedE. Topol · Greenwood Village, CO2 sharedTom Barta · Greenwood Village, CO2 sharedGriffis Premium Apartment Fund Iv, L.P · Greenwood Village, CO1 sharedIan C. Griffis · Denver, CO1 sharedGriffis Premium Apartment Fund V (Inst) · Greenwood Village, CO1 sharedDerek Luke · Toronto, Ontario, Canada1 sharedHenry Reisner · VANCOUVER, British Columbia, Canada1 sharedGriffis Premium Apartment Fund V (Inst) · Greenwood Village, CO1 sharedDale Johnson · Calgary, Alberta, Canada1 sharedDonna Brown · Greenwood Village, CO1 sharedChris Aimone · Toronto, Ontario, Canada1 sharedGriffis Premium Apartment Fund Iv, L.P · Greenwood Village, CO1 shared
Recent filings (41)
Griffis Residential Income Trust (T), LPNov 2025 · 3 co-filersGriffis Residential Income Trust, LPNov 2025 · 3 co-filersGriffis Residential Income Trust (T), LPNov 2024 · 4 co-filersGriffis Residential Income Trust, LPNov 2024 · 4 co-filersGriffis Premium Apartment Fund VI (INST), L.P.Mar 2024 · 4 co-filersGriffis Premium Apartment Fund VI (Feeder), L.P.Mar 2024 · 4 co-filersGriffis Premium Apartment Fund VI (AI - Co-Invest), L.P.Mar 2024 · 4 co-filersGriffis Premium Apartment Fund VI (HNW), L.P.Mar 2024 · 4 co-filersGriffis Premium Apartment Fund VI (TIER), LLCMar 2024 · 3 co-filers$125KGriffis Residential Income Trust, LPNov 2023 · 3 co-filersGriffis Residential Income Trust (T), LPNov 2023 · 3 co-filersGriffis Premium Apartment Fund VI (INST), L.P.Mar 2023 · 4 co-filersGriffis Premium Apartment Fund VI (AI - Co-Invest), L.P.Mar 2023 · 4 co-filersGriffis Premium Apartment Fund VI (HNW), L.P.Mar 2023 · 4 co-filersGriffis Premium Apartment Fund VI (Feeder), L.P.Mar 2023 · 4 co-filersGriffis Residential Income Trust, LPNov 2022 · 3 co-filersGriffis Residential Income Trust (T), LPNov 2022 · 3 co-filersGriffis Premium Apartment Fund VI (Feeder), L.P.Mar 2022 · 4 co-filers$550.0MGriffis Premium Apartment Fund VI (INST), L.P.Mar 2022 · 4 co-filers$550.0MGriffis Premium Apartment Fund VI (AI - Co-Invest), L.P.Mar 2022 · 4 co-filersGriffis Premium Apartment Fund VI (HNW), L.P.Mar 2022 · 4 co-filers$550.0MGriffis Residential Income Trust TIER, LLCMar 2022 · 3 co-filers$125KGriffis Residential Income Trust (T), LPNov 2021 · 3 co-filersGriffis Residential Income Trust, LPNov 2021 · 3 co-filersGriffis Premium Apartment Fund V (Feeder), L.P.Apr 2020 · 6 co-filers$512.6M
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See David in the interactive graph →