Ledger.
Investor · Pikesville, MD

Michael Zak

Open Michael in the network graph →
Filings
8
SEC Form D
Connections
76
co-filers
Capital
$2.9M
across filings
Active
Apr 2009
to Apr 2025

Most-connected co-filers (76)

Joshua Ruch · RICHARDSON, TX4 sharedPeter L. Johnson · Redwood City, CA4 sharedJanet Roemer · Cambridge, MA4 sharedJames H. Cavanaugh · Cambridge, MA4 sharedCheryl Wenzinger · Cambridge, MA4 sharedJames E. Levine · San Diego, CA4 sharedJohn Dee · Cambridge, MA4 sharedSimon Rich · Cambridge, MA3 sharedGregory Powers · Cambridge, MA3 sharedJohn B. Howe · Cambridge, MA3 sharedGerald M. Haines · Marlton, NJ3 sharedJeffrey Black · Carlsbad, CA3 sharedNell Jones · Cambridge, MA3 sharedWilliam C. Guy · Vienna, VA2 sharedDavid J. Tippeconnic · Monmouth Junction, NJ2 sharedDavid B. Wilson · Camp Hill, PA2 sharedWilliam H. Baum · Cambridge, MA2 sharedHumberto J. Vainieri · Monmouth Junction, NJ2 sharedJohn D. Mcnamara · Chestnut Hill, MA2 sharedWilliam C. Wiberg · Boston, MA2 sharedCarlos A. Riva · Cambridge, MA2 sharedDavid C. Aldous · Monmouth Junction, NJ2 sharedJamie C. Kiggen · Monmouth Junction, NJ2 sharedJohn V. Dougherty · Camp Hill, PA2 shared

Recent filings (8)

Suburban Financing Company, LLCApr 2025 · 9 co-filers$5.0MSuburban Financing Company, LLCApr 2025 · 9 co-filers$5.0MRIVE TECHNOLOGY INCNov 2015 · 13 co-filers$17.1MRIVE TECHNOLOGY INCNov 2015 · 13 co-filers$17.1MRIVE TECHNOLOGY INCAug 2013 · 13 co-filers$25.0MRIVE TECHNOLOGY INCAug 2013 · 13 co-filers$25.0MVERENIUM CORPDec 2012 · 14 co-filers$7.3MVERENIUM CORPDec 2012 · 14 co-filers$7.3MVERENIUM CORPOct 2009 · 33 co-filers$13.7MVERENIUM CORPSep 2009 · 32 co-filers$12.8MGPT Management Holdings LtdJul 2009 · 31 co-filers$124.6MReva Systems CorpApr 2009 · 7 co-filers$5.0MReva Systems CorpApr 2009 · 7 co-filers$5.0M

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