Ugle-Hagan did not play a game with the Western Bulldogs this year because of personal issues and is seeking a fresh start to reignite his stalled career.
"We were looking at someone who was committed to getting himself back to playing football," Suns list boss Craig Cameron told Trade Radio.
"He met with our leadership group. He will do a medical with us today, and we need to get the AFL to clear it as well, but we are progressing that."
Gold Coast believe they can provide 2020 No.1 draft pick Ugle-Hagan with a strong environment to get back to his best on and off the field.
"I think the fact we are not in Victoria and not in the football bubble, I think that helps us," Cameron said.
"It might help in rebuilding his football career being outside of the Victorian football bubble."
Gold Coast defender Connor Budarick looks set to join the Bulldogs but it is unclear whether he will be part of a Ugle-Hagan trade.
Humphrey has met with multiple Victorian clubs and appears determined to secure a move to his home state.
But the Suns have been adamant they will not trade the midfielder-forward, who is contracted for a further three seasons.
The 21-year-old added another layer to the saga on Wednesday night, posting a photo on social media with the caption "I'm from Moe" and music track "Take Me Home, Country Roads".
"It's just not going to happen," Cameron said of Humphrey's proposed move.
"I would prefer that this hasn't played out the way it has. It is unusual, I haven't seen it before.
"I have been around a while, and I haven't seen a situation play out like this before to be honest. It was a bit odd."
Humphrey met with Melbourne coach Steven King last week but Demons list boss Tim Lamb said his club understands the player is not on the trade table.
It comes with the Suns and Melbourne opening talks over contracted midfield star Christian Petracca, who wants a move north.
"Really preliminary discussions at this stage," Lamb told Trade Radio.
"We have said all along we love 'Trac'. We told him we'd look at it but as long as it's in the best interests of the club."
Petracca and 2021 premiership teammate Clayton Oliver are both set to exit Melbourne, with the latter seemingly headed for GWS.
"From the media speculation it appears he wants to get to the Giants but we haven't spoken with them," Lamb said.
"A deal would need to get worked out."
Lamb said he believes Steven May will remain at Melbourne next season, while adding Collingwood forward Brody Mihocek will likely join the Demons as a free agent rather than through a trade.
Meanwhile, St Kilda are eager to retain contracted ruckman Rowan Marshall, who is keen to get to Geelong after Tom De Koning joined the Saints from Carlton as a free agent.
Saints CEO Carl Dilena said it is coach Ross Lyon's "strong preference" that Marshall stays with the club.
