Net Loss Per Share Attributable to Common Stockholders (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2023

Dec. 31, 2022

Earnings Per Share [Abstract]

Summary of Computation of Basic and Diluted Net Loss Per Share

The following table sets forth the computation of basic and diluted net loss per share attributable to common stockholders, which excludes shares which are legally outstanding, but subject to repurchase by the Company (in thousands, except share and per share amounts):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2023			2022			2023			2022
Numerator:
Net loss	$	(22,485	)	$	(24,682	)	$	(101,733	)	$	(76,453	)
Denominator:
Weighted-average common shares outstanding		57,977,907			58,189,211			58,064,472			58,085,711
Less: weighted-average unvested restricted shares and shares subject to repurchase		(720,666	)		(2,983,072	)		(1,315,477	)		(3,494,118	)
Weighted-average shares used to compute basic and diluted net loss per share attributable to common stockholders		57,257,241			55,206,139			56,748,995			54,591,593
Net loss per share attributable to common stockholders—basic and diluted:	$	(0.39	)	$	(0.45	)	$	(1.79	)	$	(1.40	)

The following table sets forth the computation of basic and diluted net loss per share attributable to common stockholders, which excludes shares which are legally outstanding, but subject to repurchase by the Company (in thousands, except share and per share amounts):

	Year Ended December 31,
	2022			2021
Numerator:
Net loss	$	(101,052	)	$	(70,760	)
Denominator:
Weighted-average common shares outstanding		58,111,437			35,121,114
Less: weighted-average unvested restricted shares and shares subject to repurchase		(3,237,762	)		(6,201,859	)
Weighted-average shares used to compute basic and diluted net loss per share attributable to common stockholders		54,873,675			28,919,255
Net loss per share attributable to common stockholders—basic and diluted:	$	(1.84	)	$	(2.45	)

Schedule of Anti-dilutive Outstanding Shares or Equivalents

The following outstanding options, unvested shares, and ESPP shares were excluded (as common stock equivalents) from the computation of diluted net loss per common share for the periods presented as their effect would have been anti-dilutive (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Options to purchase common stock		6,380,515		7,849,590		6,380,515		7,849,590
Common stock subject to vesting or repurchase		873,062		3,236,152		873,062		3,236,152
Employee Stock Purchase Plan shares		10,437		128,888		10,437		128,888
Total		7,264,014		11,214,630		7,264,014		11,214,630

The following outstanding options, unvested shares, and ESPP shares were excluded (as common stock equivalents) from the computation of diluted net loss per common share for the periods presented as their effect would have been antidilutive (in thousands):

	Year Ended December 31,
	2022		2021
Options to purchase common stock		7,755,303		5,056,743
Common stock subject to vesting or repurchase		2,767,526		4,774,798
Employee Stock Purchase Plan shares		168,080		99,252
Total		10,690,909		9,930,793