Investor · DES MOINES, IA
Douglas B. Harper
Open Douglas in the network graph →Filings
64
SEC Form D
Connections
86
co-filers
Capital
$1.3M
across filings
Active
Feb 2017
to Jul 2025
Most-connected co-filers (86)
Serone Capital Management Llp · London, United Kingdom32 sharedRussell D. Skibsted · Alameda, CA32 sharedSerone Capital Management Llp · London, United Kingdom32 sharedAdrian N. King · London, United Kingdom28 sharedSerone Capital Management Llp · London, United Kingdom28 sharedNicholas J. Halstead · Basingstoke, United Kingdom20 sharedJay B. Davis · DES MOINES, IA20 sharedJohn R. Berg · DES MOINES, IA20 sharedJason Schwartz · Fort Collins, CO20 sharedMatt Gibbs · Fort Collins, CO20 sharedMichael Collett · Chicago, IL20 sharedRodney B. Vogel · DES MOINES, IA20 sharedIndraneel B. Karlekar · DES MOINES, IA20 sharedBrian B. Sandfort · DES MOINES, IA20 sharedMoshe Gat · Frisco, TX20 sharedTodd R. White · DES MOINES, IA20 sharedPavel Baranov · New York, NY20 sharedNeeraj Arora · San Francisco, CA20 sharedBrett B. Cassabaum · DES MOINES, IA20 sharedMark J. Suster · Santa Monica, CA20 sharedChris T. Duey · DES MOINES, IA20 sharedBob J. Gibbs · Fort Collins, CO20 sharedTodd B. Everett · DES MOINES, IA20 sharedDanvers J. Baillieu · Basingstoke, United Kingdom20 shared
Recent filings (64)
Serone Key Opportunities Fund LPJul 2025 · 9 co-filersSerone Key Opportunities Fund LtdJul 2025 · 12 co-filersSerone European Special Situations US Feeder LPJul 2025 · 7 co-filersSerone European Special Situations US Feeder LPJul 2024 · 7 co-filersSerone Key Opportunities Fund LtdJul 2024 · 13 co-filersSerone Key Opportunities Fund LPJul 2024 · 9 co-filersSerone Key Opportunities Fund LtdJul 2023 · 13 co-filersSerone Key Opportunities Fund LPJul 2023 · 9 co-filersSerone European Special Situations US Feeder LPJul 2023 · 7 co-filersSerone Multi-Strategy Credit U.S. Feeder LPSep 2022 · 7 co-filersSerone Key Opportunities Fund LPJul 2022 · 9 co-filersSerone Key Opportunities Fund LtdJul 2022 · 13 co-filersSerone European Special Situations US Feeder LPJul 2022 · 7 co-filersSerone Multi-Strategy Credit U.S. Feeder LPSep 2021 · 7 co-filersSerone Key Opportunities Fund LtdJul 2021 · 13 co-filersSerone European Special Situations US Feeder LPJul 2021 · 7 co-filersSerone Key Opportunities Fund LPJul 2021 · 9 co-filersSerone Key Opportunities Fund LPJul 2020 · 9 co-filersSerone Key Opportunities Fund LtdJul 2020 · 13 co-filersSerone European Special Situations US Feeder LPJul 2020 · 7 co-filersPEPF 7160 KIERLAND REIT, LLCFeb 2020 · 40 co-filers$63KPEPF CUMBERLAND SHORES REIT, LLCFeb 2020 · 40 co-filers$63KPEPF PARADISE REIT, LLCFeb 2020 · 40 co-filers$63KPEPF WALNUT APARTMENTS REIT, LLCFeb 2020 · 40 co-filers$63KPEPF RED BLUFF REIT LLCFeb 2020 · 40 co-filers$63K
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Douglas in the interactive graph →