The Bothell, Wash.–based clinical-stage biopharma Athira Pharma (NSDQ:ATHA) is in a tailspin after the company’s board put Leen Kawas, the firm’s CEO, on temporary leave. The company’s stock closed the day at an all-time low of $11.15. The stock was valued as high as $34.25 on Dec. 31, 2020. The company had its initial public…