Net Loss per Share (Tables)

9 Months Ended

Sep. 30, 2023

Basic and diluted net loss per share attributable to common stockholders was calculated as follows:


	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Numerator:
Net loss attributable to common stockholders ($ in millions)	$	(61.5)	$	(91.4)	$	(194.5)	$	(234.1)
Denominator:
Weighted average common shares outstanding — basic and diluted	69,753,576		66,877,100		69,542,342		63,482,945
Net loss per share attributable to common stockholders — basic and diluted	$	(0.88)	$	(1.37)	$	(2.80)	$	(3.69)

Antidilutive potential common shares

The Company excluded the following potential common shares, presented based on amounts outstanding at each period end, from the computation of diluted net loss per share attributable to common stockholders for the periods indicated because including them would have had an anti-dilutive effect.


	Nine Months Ended September 30,
		2023	2022
Options to purchase common stock		9,722,479	9,936,571
Unvested restricted stock		3,339,772	1,735,651
Warrants for common stock (1)		412,969	412,969
Total		13,475,220	12,085,191

(1) Each outstanding warrant of Metromile assumed by the Company are converted automatically into warrants denominated in the Company's common stock with the number of warrants and exercise price adjusted based on the exchange ratio of 0.05263.