Net Loss per Share (Tables)

9 Months Ended

Sep. 30, 2024

Earnings Per Share [Abstract]

Basic and diluted net loss per share

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,
	2024		2023		2024		2023
Numerator:
Net loss attributable to common stockholders ($ in millions)	$	(67.7)	$	(61.5)	$	(172.2)	$	(194.5)
Denominator:
Weighted average common shares outstanding — basic and diluted	71,138,070		69,753,576		70,716,140		69,542,342
Net loss per share attributable to common stockholders — basic and diluted	$	(0.95)	$	(0.88)	$	(2.44)	$	(2.80)

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,
	2024	2023
Options to purchase common stock	10,347,561	9,722,479
Unvested restricted stock	4,322,912	3,339,772
Warrants for common stock (1)	412,969	412,969
Total	15,083,442	13,475,220

(1) Each outstanding warrant of Metromile assumed by the Company 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.