AptarGroup officer plans sale of 765 shares

An AptarGroup officer filed a Rule 144 notice to sell 765 ATR shares, following a 3,555‑share sale in June 2026.

Rhea-AI Filing Summary

APTARGROUP, INC. (ATR) has an affiliate officer, Shiela Pallerne Vinczeller, filing a notice of proposed sale of 765 shares of common stock under Rule 144, to be handled through Morgan Stanley Smith Barney LLC Executive Financial Services on the NYSE. The shares relate to restricted stock granted on November 5, 2019 under a registered plan for services rendered. The notice also reports that Vinczeller sold 3,555 shares of AptarGroup common stock in a prior transaction on June 4, 2026.

Key Figures

Proposed shares to be sold: 765 shares Aggregate market value of proposed sale: $99,732.51 Shares sold in past three months: 3,555 shares +3 more

6 metrics

Proposed shares to be sold 765 shares Common stock under Rule 144 notice filed by Shiela Pallerne Vinczeller

Aggregate market value of proposed sale $99,732.51 Value associated with 765 shares of AptarGroup common stock

Shares sold in past three months 3,555 shares Common stock sale on June 4, 2026 by Shiela Pallerne Vinczeller

Aggregate proceeds from prior sale $400,341.35 Sale of 3,555 AptarGroup shares on June 4, 2026

Grant date of restricted stock November 5, 2019 Restricted stock vesting under a registered plan for services rendered

Form 144 notice date September 2, 2026 Signature date on the Rule 144 filing by Shiela Pallerne Vinczeller

Key Terms

Rule 144, restricted stock, registered plan, services rendered

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

restricted stock financial

"Restricted Stock Vesting Under a Registered Plan"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

registered plan financial

"Restricted Stock Vesting Under a Registered Plan"

A registered plan is a savings or investment account that a government recognizes for special tax treatment and rules, such as limits on how much you can put in and conditions for withdrawals. For investors it matters because those rules change how much of your gains are taxed, how quickly your money can be accessed and what strategies make sense — like a labeled jar that gives tax breaks but comes with rules about when and how you can take the money out.

services rendered financial

"11/05/2019 | Services Rendered"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Form 144 filing disclose for APTARGROUP, INC. (ATR)?

It discloses that officer Shiela Pallerne Vinczeller filed a Rule 144 notice to sell 765 shares of AptarGroup common stock through Morgan Stanley Smith Barney LLC Executive Financial Services on the NYSE, based on restricted stock that vested under a registered plan.

How many ATR shares are proposed to be sold under this Form 144?

The filing indicates a proposed sale of 765 shares of AptarGroup common stock under Rule 144, relating to restricted stock that vested from a grant dated November 5, 2019 for services rendered.

What prior sales of ATR stock are reported for the past three months?

The notice reports that Shiela Pallerne Vinczeller sold 3,555 shares of AptarGroup common stock on June 4, 2026, for aggregate proceeds of approximately $400,341.35 during the past three months.

Which broker is handling the proposed Rule 144 sale for ATR shares?

The proposed sale of 765 shares of AptarGroup common stock is to be executed through Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, New York, New York.

What is the origin of the ATR shares being sold under Rule 144?

The shares proposed for sale are from restricted stock vesting under a registered plan, originally granted on November 5, 2019 by AptarGroup, Inc. for services rendered to the issuer.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/02/2026 - 04:10 PM EDT Accepted by SEC EDGAR 09/02/2026 - 04:10 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001758130
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	APTARGROUP, INC.
SEC File Number	001-11846
Address of Issuer	265 EXCHANGE DRIVE SUITE 301 CRYSTAL LAKE ILLINOIS 60014
Phone	8154770424
Name of Person for Whose Account the Securities are To Be Sold	SHIELA PALLERNE VINCZELLER
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	765	99732.51	63581129	09/02/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	11/05/2019	Restricted Stock Vesting Under a Registered Plan	Issuer			765	11/05/2019	Services Rendered

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
SHIELA PALLERNE VINCZELLER 265 Exchange Drive Suite 301 Crystal Lake IL 60014	Common	06/04/2026	3555	400341.35

144: Remarks and Signature

Remarks
Date of Notice	09/02/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Shiela Pallerne Vinczeller
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)