ARKO - ARKO appoints Robert Giammatteo as CFO December, 21 2023 07:17 AM ARKO Corp. 2023-12-21 07:17:45 ET More on Arko Corp. Arko: Improving Operating Metrics But Expensive, Reiterate Neutral Arko downgraded at BMO on valuation concerns Seeking Alpha’s Quant Rating on Arko Corp. For further details see: ARKO appoints Robert Giammatteo as CFO