According to the database I am looking at:
All except VH-ZXF are now stored.
ZXA: Stored as N489AS @ Roswell - under "AerSale Inc" - "AerSale is a global leader in the supply of aftermarket aircraft, engines, OEM material and asset management services."
ZXB: Stored as N283AS @ Roswell - under "AerSale Inc"
ZXC: Stored as N796JM @ Victorville - under "Jet Midwest Group LLC"
ZXD: Stored as N793JM @ Shanghai - under "Jet Midwest Group LLC"
ZXE: Stored as N740JM @ Kansas City - under "Jet Midwest Group LLC"
ZXF: Active as HS-JAS - under "Jet Asia Airways"
(Was Stored as N797JM @ Shanghai - under "Jet Midwest Group LLC" until 08 Jan 2014)
ZXG: Stored as N254MY @ Kansas City - under "KMW Leasing"