Net loss per share (Tables)

9 Months Ended

Sep. 30, 2022

Earnings Per Share [Abstract]

Common Stock Equivalents Excluded from Calculation of Diluted Net Loss Per Share

The following common stock equivalents were excluded from the calculation of diluted net loss per share for the periods indicated because including them would have had an anti-dilutive effect (in thousands):

	For the three months ended September 30, 2022
	2022	2021
Outstanding stock options (1)	4,548	5,674
Restricted stock units (1)	2,473	3,538
ESPP shares and other	67	946
	7,088	10,158

(1) Outstanding stock options and restricted stock units include awards outstanding to employees of 2seventy bio for shares of the Company's common stock.