Done deal · 2026

Sebastiaan Bornauw joins Hamburger SV on loan (option to buy)

Leeds United → Hamburger SV · Loan + option to buy · Value €6m · Confirmed

Confirmed 19 Aug 2026

Sebastiaan Bornauw, a defender, has joined Hamburger SV on loan from Leeds United, with an option to buy, confirmed 19 Aug 2026. The deal is now settled in Transfer Tracker's Done Deals record.

Who broke it: Florian Plettenberg, 15 Aug 2026, 3 days before completion.

How the deal happened

• Interest · not reported
• Talks · 15 Aug 2026 · Florian Plettenberg
• Agreed · not reported
• Here we go · 16 Aug 2026 · Florian Plettenberg
• Signed · 19 Aug 2026 · confirmed

More business at Hamburger SV and Leeds United

• David Møller Wolfe: Wolverhampton Wanderers → Hamburger SV · Loan + option to buy, loan fee €600k · 1 Sept 2026
• Emir Sahiti: Hamburger SV → Hannover 96 · Free · 1 Sept 2026
• Fábio Vieira: Arsenal → Hamburger SV · €9m · 1 Sept 2026
• Rayan Philippe: Hamburger SV → Paderborn · Loan + option to buy · 1 Sept 2026
• Zakaria El Ouahdi: Genk → Hamburger SV · €8m · 1 Sept 2026
• Jean-Mattéo Bahoya: Eintracht Frankfurt → Leeds United · Loan + option to buy (€23m), loan fee €2m · 1 Sept 2026
• Largie Ramazani: Leeds United → Burnley · Loan + obligation (€7.6m) · 1 Sept 2026
• Melvin Bard: Nice → Leeds United · Loan + option to buy (€5m), loan fee €1m · 1 Sept 2026

• Sebastiaan Bornauw profile, value & stats
• Hamburger SV transfers & squad
• Leeds United transfers & squad
• Done Deals · every completed transfer & spend tracker

See the full completed-deal record and more business at both clubs. Open on transfertracker.ai