Net Loss per Share (Tables)

6 Months Ended

Jun. 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 June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Numerator:
Net loss attributable to common stockholders ($ in millions)	$	(57.2)	$	(67.2)	$	(104.5)	$	(133.0)
Denominator:
Weighted average common shares outstanding — basic and diluted	70,721,227		69,534,731		70,502,856		69,434,971
Net loss per share attributable to common stockholders — basic and diluted	$	(0.81)	$	(0.97)	$	(1.48)	$	(1.92)

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.

	Six Months Ended June 30,
	2024	2023
Options to purchase common stock	9,988,565	9,264,477
Unvested restricted stock	4,329,050	3,293,112
Warrants for common stock (1)	412,969	412,969
Total	14,730,584	12,970,558

(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.