Which statement is incorrect for ${\mathrm{OSF}}_4$ ?

${\mathrm{OSF}}_4$ have distorted trigonal bipyramidal geometry

O atom at one of the two axial positions having $\mathrm{S}=\mathrm{O}$ bond

O atom at one of the equatorial position having $\mathrm{S}=\mathrm{O}$ bond

S atom has ${\mathrm{sp}}^3\mathrm{d}$ hybridisation.