Fe10SiGeB4, I422, Fe5SiB2 type with Si and Ge ordered on the 4a site. Built by substitution into a Materials Project prototype and relaxed with Orb v3 on Ouro. Energy above hull 7.5 meV/atom on the Orb v3 surface; no imaginary phonon modes; absent from MP, Alexandria, GNoME and COD. ML-only: not checked with DFT.