Stock-Based Compensation (Tables)

3 Months Ended

Apr. 30, 2022

Stock-Based Compensation.

Stock options outstanding, vested or expected to vest, and exercisable

Information about stock options outstanding, vested or expected to vest, and exercisable as of April 30, 2022 is as follows:

	OPTIONS OUTSTANDING				OPTIONS EXERCISABLE
		WEIGHTED-
		AVERAGE	WEIGHTED-			WEIGHTED-
		REMAINING	AVERAGE			AVERAGE
	NUMBER OF	CONTRACTUAL	EXERCISE		NUMBER OF	EXERCISE
RANGE OF EXERCISE PRICES	OPTIONS	LIFE (IN YEARS)	PRICE		OPTIONS	PRICE
$25.39 — $45.82	331,888	3.67	$	35.06	330,448	$	35.01
$50.00 — $50.00	1,000,000	5.01		50.00	1,000,000		50.00
$53.47 — $69.09	199,700	2.07		61.16	197,660		61.20
$75.43 — $75.43	1,000,000	1.17		75.43	1,000,000		75.43
$87.31 — $154.82	849,939	7.20		133.43	222,484		124.06
$156.40 — $380.53	302,230	8.18		287.75	36,495		264.61
$385.30 — $716.75	843,820	8.58		422.73	706,610		386.64
Total	4,527,577		$	156.01	3,493,697	$	131.54
Vested or expected to vest	4,275,803		$	150.42