Moves from around the SPFL clubs on transfer deadline day:
+ Celtic have signed Inverness Caley Thistle midfielder Ryan Christie on a four-year contract, with the 20-year-old being loaned back to ICT until at least January.
+ Celtic have signed 21-year-old defender Jozo Simunovic from Dinamo Zagreb on a five-year contract.
+ Celtic defender Virgil van Dijk has signed a five-year deal with Southampton and defender Eoghan O'Connell has joined Oldham Athletic on a six-month loan deal.
+ Dundee United have signed 22-year-old striker Adam Taggart on loan from Fulham until January. Midfielder Aaron Kuhl, 19, has joined from Reading, also on loan until January.
+ Partick Thistle have signed former Dundee United striker Robbie Muirhead on loan from Dundee United until January while defender Jack Hendry has joined Wigan.
+ Inverness Caley Thistle have signed 21-year-old forward Miles Storey (Swindon Town) and fellow striker Tobi Sho-Silva (Charlton Athletic) on loan until January.
+ Dundee FC have signed striker Rhys Healey on loan from Cardiff City until January but Simon Ferry has been released from his contract.
+ Kilmarnock have signed full-back Kevin McHattie on a three-year deal after his departure from Hearts while goalkeeper Devlin MacKay has joined Derby County on loan until January. Conor Brennan has been recalled from his loan spell at Stranraer.
+ Motherwell have signed Manchester United midfielder Liam Grimshaw on loan until January.
+ St Johnstone have signed 18-year-old forward Greg Hurst from Stirling Albion.
+ Hibernian have signed 19-year-old striker Islam Feruz, capped by Scotland at U21 level, on loan from Chelsea until the end of the season.
+ Hibernian have signed former Motherwell forward Henri Anier on loan from Dundee United until the end of the season.
+ Queen of the South have signed striker Gary Oliver on a one-year deal from Hearts.
+ Morton have signed 19-year-old Swansea City striker Alex Samuel on loan until January.
+ Alloa Athletic have signed midfielder Robbie Crawford on loan from Rangers until January.
+ Airdrieonians have signed striker George Hunter on loan from St Johnstone until January after his loan spell at Elgin City ended.
+ Cowdenbeath have signed Rangers midfielder Andy Murdoch on loan until January.
+ Forfar have re-signed Omar Kader after he was released from his contract at Alloa.
+ Arbroath have brought in defender Craig Watson on loan from Hamilton Accies.
+ Elgin City have signed winger Connor McLaren on loan from St Johnstone.
+ Stirling Albion have signed striker Kyle Lander on loan from St Johnstone until January but midfielder Jon Paul McGovern has left the club.
