STOCK-BASED COMPENSATION (Tables)

3 Months Ended

Mar. 31, 2020

STOCK-BASED COMPENSATION

Summary of option activity

	Stock Awards Plans					Director Stock Option Plans
			Weighted Average				Weighted Average
		Options	Exercise Price			Options	Exercise Price
Outstanding, January 1, 2020		5,044,180	$	68.32		135,251	$	58.45
Granted		—		—		—		—
Exercised		(292,090)		55.16		(21,251)		51.20
Forfeited or expired		(6,630)		65.60		—		—
Outstanding at March 31, 2020		4,745,460	$	69.20		114,000	$	59.80
Exercisable at March 31, 2020		4,583,864	$	68.43		114,000	$	59.80
Weighted-Average Remaining Contractual Term (Years):
Outstanding at March 31, 2020		5.3				3.2
Exercisable at March 31, 2020		5.1				3.2
Aggregate Intrinsic Value:
Outstanding at March 31, 2020	$	143,971			$	4,530
Exercisable at March 31, 2020	$	142,195			$	4,530
Intrinsic Value of Options Exercised During the Three Months Ended:
March 31, 2020	$	18,202			$	1,385
March 31, 2019	$	14,047			$	51

Weighted-average assumptions used to estimate fair value of restricted stock units

Three Months Ended March 31,		2020			2019
Fair value per stock award	$	94.98		$	134.97
Grant date stock price	$	83.93		$	104.51
Assumptions:
Aptar's stock price expected volatility		23.80	%		16.50	%
Expected average volatility of peer companies		48.50	%		31.90	%
Correlation assumption		63.50	%		37.40	%
Risk-free interest rate		0.31	%		2.19	%
Dividend yield assumption		1.72	%		1.30	%

Summary of restricted stock unit activity

	Time-Based RSUs			Performance-Based RSUs
		Weighted Average			Weighted Average
	Units	Grant-Date Fair Value		Units	Grant-Date Fair Value
Nonvested at January 1, 2020	480,729	$	95.45	181,680	$	117.26
Granted	176,424		81.75	206,408		90.85
Vested	(112,515)		82.64	—		—
Forfeited	(217)		100.14	(589)		120.61
Nonvested at March 31, 2020	544,421	$	92.11	387,499	$	103.23