Superior Energy Services, Inc. (SPNV: OTCQX U.S.) | Symbol Change Fri, Dec 20, 2019 12:00 - Superior Energy Services, Inc. ( SPNV : OTCQX U.S.) - Symbol Change - The symbol, SPNV, is no longer a valid symbol for Superior Energy Services, Inc.. As of Fri, Dec 20, 2019, the new trading symbol is SPNVD. You may find a complete list of symbol changes at otcmarkets.com .
