Goals from Marcus Tudgay, his second in two pre-season friendlies, and Wade Small gave The Owls a 2-1 victory with youngsters Liam McMenamin, Mark Beevers, Rocky Lekaj and James Kay all getting a run out.
Steve Watson played in his first game since signing permanently for Wednesday although was one of four players who was taken off at half time.
But the club have announced that a press conference will be held on Friday at Hillsborough in a move which could spell a takeover at S6.
Former Everton stakeholder Paul Gregg has been tipped to take over the current board's shares although current chairman Dave Allen admits the prospective buyer is worried about the spread of shares at the club.
The press conference at Hillsborough will take place at 2pm.