Net Loss per Share

3 Months Ended

Mar. 31, 2023

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


	Three Months Ended March 31,
	2023		2022
Numerator:
Net loss attributable to common stockholders ($ in millions)	$	(65.8)	$	(74.8)
Denominator:
Weighted average common shares outstanding — basic and diluted	69,334,103		61,698,568
Net loss per share attributable to common stockholders — basic and diluted	$	(0.95)	$	(1.21)

The Company’s potentially dilutive securities, which include stock options and unvested RSUs, have been excluded from the computation of diluted net loss per share as the effect would be anti-dilutive. Therefore, the weighted average number of common shares outstanding used to calculate both basic and diluted net loss per share attributable to common stockholders is the same. 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.


	Three Months Ended March 31,
		2023	2022
Options to purchase common stock		9,509,008	6,355,274
Unvested restricted stock		1,999,940	475,749
Warrants for common stock (1)		412,969	—
Total		11,921,917	6,831,023

(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.