There are 6 Gulfstream Aerospace GIV-X (G350) aircraft on the U.S. registry that TailWiki has a page for. Every one is built from the public FAA record — year, serial, engine, home base, and registration history — and owners and pilots add photos, trips, and stories on top. The ones listed here were built between 2005 and 2007.
N323MK
2007 Gulfstream Aerospace GIV-X (G350)
Coral Gables, FL
N486WM
2007 Gulfstream Aerospace GIV-X (G350)
North Salt Lake, UT
N350GD
2005 Gulfstream Aerospace GIV-X (G350)
Savannah, GA
N700MV
2005 Gulfstream Aerospace GIV-X (G350)
Irvine, CA
N931DC
2005 Gulfstream Aerospace GIV-X (G350)
Riverside, CA
N117WR
Gulfstream Aerospace GIV-X (G350)
Las Vegas, NV