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 shared Donna C. Phillips · Hamilton, Bermuda2 shared Bruce M. Lupatkin · Novato, CA2 shared Michael B. De Santis · Novato, CA2 shared David J. Mcmillan · St. Louis, MO2 shared Anthony W. Brown · St. Louis, MO2 shared Robert L. Diamond · Fayetteville, AR2 shared Philip A. Falcone · New York, NY2 shared Henry E. Gauthier · Oxford, MA2 shared William Hurley · Oxford, MA2 shared Valentin P. Gapontsev · Oxford, MA2 shared Russell O. Lamore · St. Louis, MO2 shared Timothy P. Mammen · Oxford, MA2 shared Angelo P. Lopresti · Oxford, MA2 shared Eugene Shcherbakov · Oxford, MA2 shared Robert A. Blair · Oxford, MA2 shared Michael C. Child · Oxford, MA2 shared John H. Dalton · Oxford, MA2 shared William F. Krupke · Oxford, MA2 shared Michael J. Levar · St. Louis, MO2 shared Dennis R. Hammond · St. Louis, MO2 shared Derek S. Van Eck · New York, NY2 shared

Recent filings (4)

Caisson Elmwood Owner, LPNov 2025 · 2 co-filers$11.8M Caisson Walnut Creek Owner, LPJul 2025 · 2 co-filers$5.6M IPG PHOTONICS CORPMay 2009 · 21 co-filers$729K IPG 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 →