Investor · Oxford, MA

Valentin P. Gapontsev

Open Valentin in the network graph →

Filings

6

SEC Form D

Connections

28

co-filers

Capital

—

across filings

Active

Dec 2008

to Jan 2026

Most-connected co-filers (28)

Eugene Shcherbakov · Oxford, MA6 shared Timothy P. Mammen · Oxford, MA6 shared Angelo P. Lopresti · Oxford, MA6 shared Marcus S. Parker · Lake Oswego, OR4 shared Candace J. Woods · Newark, NJ2 shared David J. Mcmillan · St. Louis, MO2 shared Anthony W. Brown · St. Louis, MO2 shared Peter J. Christou · Calgary, Alberta, Canada2 shared Terrance O. Mah · Orlando, FL2 shared Thomas O. Miesner · Austin, TX2 shared Dominik O. Elsaesser · Edina, MN2 shared Philip A. Falcone · New York, NY2 shared John Paulos · Austin, TX2 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 Igor Samartsev · Oxford, MA2 shared Henry E. Gauthier · Oxford, MA2 shared William Hurley · Oxford, MA2 shared Russell O. Lamore · St. Louis, MO2 shared Michael J. Levar · St. Louis, MO2 shared Dennis R. Hammond · St. Louis, MO2 shared Dawn R. Griffiths · HAMILTON, Bermuda2 shared

Recent filings (6)

Swirltex Holdings Corp.Jan 2026 · 4 co-filers$3.5M Swirltex Holdings Corp.Jan 2026 · 4 co-filers$1.7M Swirltex Holdings Corp.Jul 2025 · 14 co-filers$3.5M Swirltex Holdings Corp.Jul 2025 · 14 co-filers$1.7M 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 Valentin in the interactive graph →