Ledger.
Investor · Oxford, MA

Igor Samartsev

Open Igor in the network graph →
Filings
4
SEC Form D
Connections
22
co-filers
Capital
across filings
Active
Dec 2008
to Nov 2025

Most-connected co-filers (22)

Dawn R. Griffiths · HAMILTON, Bermuda2 sharedDonna C. Phillips · Hamilton, Bermuda2 sharedBruce M. Lupatkin · Novato, CA2 sharedMichael B. De Santis · Novato, CA2 sharedDavid J. Mcmillan · St. Louis, MO2 sharedAnthony W. Brown · St. Louis, MO2 sharedRobert L. Diamond · Fayetteville, AR2 sharedPhilip A. Falcone · New York, NY2 sharedHenry E. Gauthier · Oxford, MA2 sharedWilliam Hurley · Oxford, MA2 sharedValentin P. Gapontsev · Oxford, MA2 sharedRussell O. Lamore · St. Louis, MO2 sharedTimothy P. Mammen · Oxford, MA2 sharedAngelo P. Lopresti · Oxford, MA2 sharedEugene Shcherbakov · Oxford, MA2 sharedRobert A. Blair · Oxford, MA2 sharedMichael C. Child · Oxford, MA2 sharedJohn H. Dalton · Oxford, MA2 sharedWilliam F. Krupke · Oxford, MA2 sharedMichael J. Levar · St. Louis, MO2 sharedDennis R. Hammond · St. Louis, MO2 sharedDerek S. Van Eck · New York, NY2 shared

Recent filings (4)

Caisson Elmwood Owner, LPNov 2025 · 2 co-filers$11.8MCaisson Walnut Creek Owner, LPJul 2025 · 2 co-filers$5.6MIPG PHOTONICS CORPMay 2009 · 21 co-filers$729KIPG PHOTONICS CORPDec 2008 · 21 co-filers$661K

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