Sharecast - The travel giant said Sebastian Ebel picked up 49,900 shares on 26 September in a single transaction outside a trading venue.
Ebel paid €4.99 for each share, valuing the transaction at a total of €224,325.21 (£194,816.35).
Elsewhere, Oxford BioMedica PLC (LON:OXB) disclosed a purchase linked to one of its non-executive directors.
The company said Sandra Juliet Ferera Hayden bought 12,000 shares on 26 September in a single transaction on the London Stock Exchange.
Hayden paid 293.5p for each share, valuing the purchase at £35,220.00.
In its disclosure, Oxford Biomedica said Sandra Hayden is a person closely associated with non-executive director Michael Hayden.
At 1304 BST, shares in TUI (LON:TUIT) were up 3.39% in London at 451.6p, while those in Oxford Biomedica were 1.72% weaker at 286.5p.
Reporting by Josh White for Sharecast.com.