Investor · DURHAM, NC
Mark D. Piehl
Open Mark in the network graph →Filings
20
SEC Form D
Connections
118
co-filers
Capital
$29.7M
across filings
Active
Jul 2011
to Nov 2022
Most-connected co-filers (118)
Mike Liddell · Durham, NC8 sharedGalen Robertson · Durham, NC6 sharedKyle Chenet · DURHAM, NC6 sharedMelanie Travis · New York, NY5 sharedCassel D. Shapiro · New York, NY5 sharedWon One Rock Capital Partners, LLC · New York, NY5 sharedJoseph G. Melcher · Wayne, PA5 sharedLukas Roush · Raleigh, NC5 sharedLaura S. Quade · Wayne, PA5 sharedRobert S. Spielvogel · New York, NY5 sharedDaniel S. Duffy · DURHAM, NC5 sharedStanley D. Lynall · DURHAM, NC4 sharedLukas M. Roush · DURHAM, NC4 sharedBrandon Cruz · Chicago, IL4 sharedHoward K. Wallace · Longmont, CO4 sharedJennie Ripps · New York, NY4 sharedJeffrey C. Terrell · Durham, NC4 sharedMark Rowe · St. Peter Port, Y73 sharedDavid R. Bergeron · Columbus, OH3 sharedMark Goldwasser · New York, NY3 sharedNickolay F. Bochilo · Greensboro, NC3 sharedRichard Maksimoski · COLUMBUS, OH3 sharedThomas Luke · New York, NY3 sharedEvan Delaney · EDINBURGH, United Kingdom3 shared
Recent filings (20)
410 Medical, Inc.Mar 2025 · 11 co-filers$30.1M410 Medical, Inc.Mar 2025 · 11 co-filers$30.1M410 Medical, Inc.Nov 2022 · 17 co-filers$16.1M410 Medical, Inc.Dec 2021 · 17 co-filers$5.0M410 Medical, Inc.Oct 2019 · 23 co-filers$8.0MYoung Turks, LLCAug 2017 · 8 co-filers$20.0M410 Medical, Inc.Jun 2017 · 22 co-filers$6.5M410 Medical, Inc.Mar 2017 · 17 co-filers$5.0M410 Medical Innovation, LLCSep 2016 · 11 co-filers$2.2M410 Medical Innovation, LLCSep 2016 · 11 co-filers$2.5MHappy Inspector, Inc.Jul 2016 · 8 co-filers$5.0M410 Medical Innovation, LLCApr 2016 · 11 co-filers$2.0MUPTAKE MEDICAL CORPJan 2016 · 20 co-filers$3.5MHappy Inspector, Inc.Jan 2016 · 8 co-filers$1.0MYoung Turks, LLCDec 2015 · 10 co-filers$10.0MExtra Space Storage LPNov 2015 · 21 co-filers$7.2MExtra Space Storage LPOct 2015 · 22 co-filers$25.3M410 Medical Innovation, LLCJan 2015 · 5 co-filers$1.1M410 Medical Innovation, LLCJan 2015 · 5 co-filers$1.1MUPTAKE MEDICAL CORPMar 2012 · 18 co-filers$41.7MUPTAKE MEDICAL CORPDec 2011 · 17 co-filers$41.7MUPTAKE MEDICAL CORPJul 2011 · 15 co-filers$4.9M
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Mark in the interactive graph →