Investor · Virginia Beach, VA
James A. Diamonstein
Open James in the network graph →Filings
26
SEC Form D
Connections
87
co-filers
Capital
$4.3M
across filings
Active
Oct 2015
to Jul 2019
Most-connected co-filers (87)
David Wolfe · Virginia Beach, VA13 sharedAntal Desai · Richardson, TX9 shared(General Partner) Gemini Strategies LLC · Cardiff, CA9 sharedPeter M. Carlton · Los Angeles, CA9 sharedDenise A. Olsen · CHICAGO, IL9 sharedLee H. Fairchild · Newport News, VA9 sharedGary M. Freeman · CHICAGO, IL9 sharedThomas G. Sullivan · Newport News, VA9 sharedJudith O'Brien · Richardson, TX9 sharedDamon P. De Laszlo · Los Angeles, CA9 sharedRavi Shankar Kumar · Richardson, TX9 sharedJonathan W. Day · Los Angeles, CA9 sharedLee S. Thompson · Everett, WA8 sharedRubenstein Partners/Investors GP, LLC · Philadelphia, PA8 sharedMichael J. Higgins · Cambridge, MA8 sharedJohn M. Schumacher · New York, NY8 sharedBrian E. Hopcraft · St. Louis, MO8 sharedNeal Gumbin · Chicago, IL7 sharedMichael N. Taglich · Cold Spring Harbor, NY7 sharedMatthew Oristano · Woodbridge, CT5 sharedWilliam J. Mitchell · Pittsburgh, PA5 sharedTyler T. Tysdal · Centennial, CO5 sharedCharles J. O'Hanlon · Pittsburgh, PA5 sharedMatthew Bootman · Pittsburgh, PA5 shared
Recent filings (26)
Eir II QB SPV, LLCFeb 2026Eir Partners III-A, LPDec 2025 · 6 co-filersEir Partners III, LPDec 2025 · 6 co-filersEir II AI SPV, LLCJul 2025 · 2 co-filersCRYSTALPLEX CORPJul 2019 · 14 co-filers$550KCRYSTALPLEX CORPJul 2019 · 14 co-filers$2.0MCRYSTALPLEX CORPFeb 2019 · 22 co-filers$300KLEESA SLEEP, LLCJan 2019 · 22 co-filers$12.0MCRYSTALPLEX CORPJul 2018 · 14 co-filers$250KCRYSTALPLEX CORPApr 2018 · 18 co-filers$1.0MCRYSTALPLEX CORPApr 2017 · 18 co-filers$1.0MCRYSTALPLEX CORPOct 2016 · 18 co-filers$2.6MLEESA SLEEP, LLCAug 2016 · 8 co-filers$1LEESA SLEEP, LLCFeb 2016 · 5 co-filers$1LEESA SLEEP, LLCFeb 2016 · 5 co-filers$1Enam India Growth Fund (Delaware) LPJan 2016 · 17 co-filersCRYSTALPLEX CORPOct 2015 · 18 co-filers$2.1MEnam India Growth Fund (Delaware) LPOct 2015 · 17 co-filersDILON TECHNOLOGIES INCNov 2010 · 21 co-filers$1.5MDILON TECHNOLOGIES INCSep 2010 · 21 co-filers$3.4MDILON TECHNOLOGIES INCApr 2010 · 19 co-filers$3.0MDILON TECHNOLOGIES INCJul 2009 · 19 co-filers$3.0MDILON TECHNOLOGIES INCJun 2009 · 15 co-filers$2.0MDILON TECHNOLOGIES INCFeb 2009 · 15 co-filers$1.3MDILON TECHNOLOGIES INCFeb 2009 · 15 co-filers$2.0M
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See James in the interactive graph →