Aug 19 (Reuters) - SoftBank Group Corp (9984.T) sold 11.4 million shares of food delivery company DoorDash Inc (DASH.N), marketed via Goldman Sachs Group Inc (GS.N), a source familiar with the matter said on Thursday. They were priced at around $182.95 each, a Bloomberg report said, valuing the sale at around $2.2 billion. Shares of DoorDash were last down around 5.3%. The share sale comes a week after DoorDash, in its quarterly earnings report, predicted a seasonal decline in order rates and new customer addition in the current quarter. The company had reported a bigger loss in the second quarter than expected as it spent heavily to expand internationally and into a crowded market for grocery during the pandemic. read more