A method performed by a wireless device (312; UE1) for wireless device initiated sharing of a Channel Occupancy Time, COT, in a wireless system operating in unlicensed spectrum, the method comprising: performing a Listen-Before-Talk, LBT, procedure, a result of the LBT procedure being an LBT success; transmitting, to a base station, one or more messages that initiate COT sharing between the wireless device (312; UE1) and one or more additional wireless devices, wherein the one or more messages that initiate COT sharing comprise: a scheduling request comprising information that indicates: (a) one or more services, one or more logical channels, or one or more logical channel groups with data available at the wireless device (312; UE1) for transmission and (b) a buffer status of the data available at the wireless device (312; UE1) for transmission; or messages for a two-step random access procedure comprising a message that comprises at least a buffer status report for data available at the wireless device (312; UE1) for transmission; or a scheduling request and one or more subsequent buffer status reports for data available at the wireless device (312; UE1) for transmission; or a message(s) comprising uplink control information, the uplink control information comprising a buffer status report for data available at the wireless device (312; UE1) for transmission; receiving COT information from the base station, the COT information being information related to a shared COT to be used by the wireless device (312; UE1) and one or more additional wireless devices; and cooperating with the base station to utilize the shared COT. performing a Listen-Before-Talk, LBT, procedure, a result of the LBT procedure being an LBT success; transmitting, to a base station, one or more messages that initiate COT sharing between the wireless device (312; UE1) and one or more additional wireless devices, wherein the one or more messages that initiate COT sharing comprise: a scheduling request comprising information that indicates: (a) one or more services, one or more logical channels, or one or more logical channel groups with data available at the wireless device (312; UE1) for transmission and (b) a buffer status of the data available at the wireless device (312; UE1) for transmission; or messages for a two-step random access procedure comprising a message that comprises at least a buffer status report for data available at the wireless device (312; UE1) for transmission; or a scheduling request and one or more subsequent buffer status reports for data available at the wireless device (312; UE1) for transmission; or a message(s) comprising uplink control information, the uplink control information comprising a buffer status report for data available at the wireless device (312; UE1) for transmission; receiving COT information from the base station, the COT information being information related to a shared COT to be used by the wireless device (312; UE1) and one or more additional wireless devices; and cooperating with the base station to utilize the shared COT. a scheduling request comprising information that indicates: (a) one or more services, one or more logical channels, or one or more logical channel groups with data available at the wireless device (312; UE1) for transmission and (b) a buffer status of the data available at the wireless device (312; UE1) for transmission; or messages for a two-step random access procedure comprising a message that comprises at least a buffer status report for data available at the wireless device (312; UE1) for transmission; or a scheduling request and one or more subsequent buffer status reports for data available at the wireless device (312; UE1) for transmission; or a message(s) comprising uplink control information, the uplink control information comprising a buffer status report for data available at the wireless device (312; UE1) for transmission; receiving COT information from the base station, the COT information being information related to a shared COT to be used by the wireless device (312; UE1) and one or more additional wireless devices; and cooperating with the base station to utilize the shared COT.