UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

May 6, 2026

Date of Report (Date of earliest event reported)

AptarGroup, Inc.

(Exact name of registrant as specified in its charter)

Delaware
(State or other jurisdiction of
incorporation)

1-11846
(Commission File Number)

36-3853103
(IRS Employer Identification No.)

265 Exchange Drive, Suite 301, Crystal Lake, Illinois 60014

(Address of principal executive offices)

Registrant’s telephone number, including area code: 815- 477-0424

N/A

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, $.01 par value	ATR	New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Item 5.07.

Submission of Matters to a Vote of Security Holders.

Set forth below are the final voting results for each of the proposals submitted to a vote of the stockholders at the Annual Meeting of Stockholders (the “Annual Meeting”) of AptarGroup, Inc. (the “Company”) held on May 6, 2026.

Each of the four directors nominated for election was elected to serve until the Company’s 2029 Annual Meeting of Stockholders and until his or her successor has been duly elected and qualified. The voting results were as follows:

Nominee	For	Against	Abstain	Broker Non-Votes
George L. Fotiades	53,700,764	801,099	28,204	3,047,077
Candace Matthews	49,588,151	4,917,139	24,777	3,047,077
B. Craig Owens	53,900,318	605,626	24,123	3,047,077
Julie Xing	54,107,755	397,433	24,879	3,047,077

Stockholders approved, on an advisory basis, the Company’s executive compensation. The voting results were as follows:

For		Against		Abstain		Broker Non-Votes
53,426,301		1,062,860		40,906		3,047,077

Stockholders ratified the appointment of PricewaterhouseCoopers LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026. The voting results were as follows:

For		Against		Abstain		Broker Non-Votes
56,137,432		1,000,889		438,823		0

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	AptarGroup, Inc.

Date: May 7, 2026	By:	/s/ Irene Hudson
		Irene Hudson
		Executive Vice President, Chief Legal Officer and Secretary

SEC Form 8-K filed by AptarGroup Inc.