Shake Shack appoints Michelle Hook as CFO

Shake Shack (SHAK) announced the appointment of Michelle Hook as the Company’s CFO, effective May 11, 2026. Ms. Hook joins Shake Shack’s executive leadership team and will be responsible for leading financial operations across the Company, including accounting and treasury, financial planning and analysis, tax, investor relations and external reporting. Hook joins Shake Shack from Portillo’s (PTLO), where she served as CFO beginning in December 2020.