Ownership: Bjorn Baker Racing (Mgr: B Baker), B E Risetto, A C Frogley, Mrs J A Frogley, D W Smith, T K C Racing (Mgr: W J Watson), G J Galvin, K Salagic, S M P C (Mgr: L Jesse), P R Ferris, B Garrigan & K R Ferrel
O'so Demanding is a 5 year old mare by Written Tycoon out of the Sebring mare, She's Demanding.
Last start was 9th at Bunbury on November 23, 2025 in the TABtouch - Have You Got The Touch Hcp (C1) over 1200 metres.