0001620463 2021-11-10 2021-11-10 false 0001620463 8-K 2021-11-10 Athira Pharma, Inc. DE 001-39503 45-3368487 18706 North Creek Parkway Suite 104 Bothell WA 98011 425 620-8501 false false false false Common Stock, $0.0001 par value per share ATHA NASDAQ true false