AptarGroup, Inc. ATR NYSE

NYSE • Healthcare • Medical - Instruments & Supplies • US • USD

SharesGrow Score

65/100

4/7 Pass

SharesGrow Intrinsic Value

AptarGroup, Inc. (ATR) has 20 known insider and institutional holders on record. The largest holder is PFEIFFER PETER with 872,402 shares. Other notable holders include HARRIS KING W and HAGGE STEPHEN J.

Over the last 12 months, insiders have made 73 transactions in ATR stock — 24 buys (valued at $12.17M) and 11 sells (valued at $4.35M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.

ATR Insider Ownership

Top Holder

PFEIFFER PETER

872,402 shares

Buys (12 mo)

$12.17M value

Sells (12 mo)

$4.35M value

12-Month Transaction Activity

Buy 33%

Sell 15%

Top Insider Holders

#	Name	Role	Shares Owned	Last Filed	Relative Size
1	Pfeiffer Peter	Director	872,402	2016-11-23	100%
2	Harris King W	Director	102,989	2018-05-03	12%
3	Hagge Stephen J	Director	70,471	2019-03-05	8%
4	Tanda Stephan B.	President and CEO	53,691	2026-03-19	6%
5	Schaffer Eldon W. Ii	Executive Vice President	42,478	2020-03-26	5%
6	Kanu Vanessa	EVP & CFO	24,646	2026-03-20	3%
7	Haffar Salim	Segment President	23,782	2018-08-06	3%
8	Tlili Hedi	Segment President	21,323	2026-03-20	2%
9	Chevassus Alain	Director	17,300	2018-05-04	2%
10	Wunderlich Ralf K.	Director	17,213	2025-05-08	2%
11	Smith Joanne C Dr	Director	16,641	2021-05-25	2%
12	Doherty Patrick	Segment President	13,770	2015-09-01	2%
13	Kramvis Andreas	Director	12,962	2023-05-04	1%
14	Saint-leger Ursula	Vice President, HR	12,690	2018-03-02	1%
15	Chainey Kimberly	EVP and Chief Legal Officer	11,088	2025-06-10	1%
16	Prieur Marc	Segment President	10,153	2026-03-19	1%
17	Owens B Craig	Director	9,757	2025-05-08	1%
18	Touya Gael	Segment President	8,830	2026-03-19	1%
19	Kampouri Monnas Giovanna	Director	8,651	2025-05-08	1%
20	Marey-semper Isabel	Director	8,344	2025-05-08	1%

Recent Transactions (last 12 months)

Date	Name	Role	Type	Shares	Price	Value
2026-03-19	Tlili Hedi	Segment President	RSU Award	10,803	-	-
2026-03-19	Kanu Vanessa	EVP & CFO	RSU Award	10,960	-	-
2026-03-19	Hudson Irene Elizabeth	EVP and Chief Legal Officer	RSU Award	776	-	-
2026-03-19	Ackerman Daniel	Chief Accounting Officer	RSU Award	2,967	$123.97	$367.82K
2026-03-19	Tlili Hedi	Segment President	RSU Award	8,394	$123.97	$1.04M
2026-03-19	Vinczeller Shiela	Chief Human Resources Officer	RSU Award	6,592	$123.97	$817.21K
2026-03-19	Gong Xiangwei	President, Asia	RSU Award	7,515	$123.97	$931.63K
2026-03-19	Prieur Marc	Segment President	RSU Award	10,153	$123.97	$1.26M
2026-03-19	Kanu Vanessa	EVP & CFO	RSU Award	4,332	-	-
2026-03-19	Tanda Stephan B.	President and CEO	RSU Award	53,691	$123.97	$6.66M
2026-03-19	Touya Gael	Segment President	RSU Award	8,830	$123.97	$1.09M
2026-03-17	Hudson Irene Elizabeth	EVP and Chief Legal Officer	Tax Withholding of RSU	37	$129.50	$4.79K
2026-03-17	Tlili Hedi	Segment President	Tax Withholding of RSU	273	$129.97	$35.48K
2026-03-17	Vinczeller Shiela	Chief Human Resources Officer	Tax Withholding of RSU	139	$129.50	$18K
2026-03-17	Gong Xiangwei	President, Asia	Tax Withholding of RSU	213	$129.50	$27.58K
2026-03-17	Kanu Vanessa	EVP & CFO	Tax Withholding of RSU	368	$129.50	$47.66K
2026-03-17	Tanda Stephan B.	President and CEO	Tax Withholding of RSU	1,772	$129.50	$229.47K
2026-03-17	Touya Gael	Segment President	Tax Withholding of RSU	320	$129.97	$41.59K
2026-03-15	Hudson Irene Elizabeth	EVP and Chief Legal Officer	Tax Withholding of RSU	72	$128.65	$9.26K
2026-03-16	Tlili Hedi	Segment President	Tax Withholding of RSU	677	$129.48	$87.66K
2026-03-15	Vinczeller Shiela	Chief Human Resources Officer	Tax Withholding of RSU	333	$128.65	$42.84K
2026-03-15	Gong Xiangwei	President, Asia	Tax Withholding of RSU	481	$128.65	$61.88K
2026-03-15	Tanda Stephan B.	President and CEO	Tax Withholding of RSU	3,455	$128.65	$444.49K
2026-03-16	Touya Gael	Segment President	Tax Withholding of RSU	791	$129.48	$102.42K
2026-03-02	Touya Gael	Segment President	Tax Withholding of RSU	335	$143.00	$47.91K