Investor · Cedar Rapids, IA

David T. Sengpiel

Open David in the network graph →

Filings

16

SEC Form D

Connections

27

co-filers

Capital

$1.1M

across filings

Active

Aug 2010

to Aug 2025

Most-connected co-filers (27)

Sanket Parekh · New York, NY10 shared Alain Klapholz · New York, NY10 shared Donald O. Taylor · Knoxville, TN9 shared Martin Sands · New York, NY9 shared Victor J. Mills · Augusta, GA5 shared C. M. Senn · Augusta, GA5 shared Daniel F. Hellams · Augusta, GA5 shared Oak Capital Vi, Llc · Augusta, GA4 shared Oak Capital Vi, Llc · Augusta, GA4 shared Steven J. Saxton · Westlake Village, CA2 shared Kevin L. Kimle · Story City, IA2 shared Holden Nyhus · Urbandale, IA2 shared A G. Joseph · Cedar Rapids, IA2 shared Sudheer K. Pamuru · Urbandale, IA2 shared Michael Koenig · Urbandale, IA2 shared Charles Falck · New York, NY2 shared Philip Asquith · LOS ANGELES, CA2 shared Philip T. Kennedy · Cedar Rapids, IA2 shared Thomas F. Robert · New York, NY2 shared George J. Beechler · Portland, OR2 shared Aaron Wilson · Portland, OR2 shared Vontobel Asset Management, Inc · New York, NY2 shared Dr. Philipp Hensler · New York, NY2 shared Lansdowne General Partner I Limited · Dublin, Ireland2 shared

Recent filings (16)

Oak Fund VI, LLCAug 2025 · 9 co-filers$50.0M Oak Fund VI, LLCAug 2024 · 9 co-filers$50.0M Oak Fund VI, LLCSep 2023 · 9 co-filers$50.0M Oak Fund VI, LLCAug 2022 · 9 co-filers$50.0M Oak Fund V, LLCJul 2018 · 4 co-filers$50.0M ACREBroadband, Inc.Jul 2016 · 7 co-filers$2.5M ScoutPro, Inc.Jan 2016 · 11 co-filers$750K ScoutPro, Inc.Jan 2016 · 11 co-filers$750K Green Gorilla, Inc.Dec 2015 · 5 co-filers$3.0M ACREBroadband, Inc.Mar 2015 · 7 co-filers$1.0M Green Gorilla, Inc.Nov 2014 · 5 co-filers$1.0M Oak Fund IV, LLCNov 2014 · 7 co-filers$10.0M ScoutPro, Inc.Oct 2014 · 9 co-filers$250K ScoutPro, Inc.Oct 2014 · 9 co-filers$250K Oak Fund III, LLCFeb 2013 · 4 co-filers$10.0M Oak Fund III, LLCDec 2012 · 4 co-filers$10.0M Oak Fund III, LLCNov 2012 · 4 co-filers$10.0M Oak Opportunity Investments, LLCAug 2010 · 4 co-filers$10.0M

Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See David in the interactive graph →