ATR (ATR) seller plans to dispose of 8,855 vested common shares

Rhea-AI Filing Summary

ATR has a selling security holder planning to dispose of up to 8,855 shares of common stock through Morgan Stanley Smith Barney LLC Executive Financial Services, with trading on the NYSE and a proposed sale date of 08/03/2026. The shares come from restricted stock that vested under a registered plan in connection with services rendered. Vesting events include 3,604 shares on 05/02/2025, 3,598 shares on 05/01/2026, and several smaller grants on dates in 2025 and 2026.

Key Figures

Shares proposed for sale: 8,855 shares Proposed sale date: 08/03/2026 Shares vested 05/02/2025: 3,604 shares +2 more

5 metrics

Shares proposed for sale 8,855 shares Aggregate amount of ATR common stock covered by the Form 144 notice

Proposed sale date 08/03/2026 Date associated with the planned sale of the 8,855 common shares

Shares vested 05/02/2025 3,604 shares Restricted stock vesting under a registered plan for services rendered

Shares vested 05/01/2026 3,598 shares Restricted stock vesting under a registered plan for services rendered

Shares vested 03/15/2026 677 shares Restricted stock vesting under a registered plan for services rendered

Key Terms

Form 144, Restricted Stock Vesting Under a Registered Plan, Services Rendered, Securities Sold During The Past 3 Months

4 terms

Form 144 regulatory

"Filer Information | | | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock Vesting Under a Registered Plan financial

"Common | 05/01/2026 | Restricted Stock Vesting Under a Registered Plan"

Services Rendered financial

"3598 | 05/01/2026 | Services Rendered Common | 02/27/2026"

Securities Sold During The Past 3 Months regulatory

"144: Securities Sold During The Past 3 Months 144: Remarks"

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

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Available on EDGAR 08/03/2026 - 04:10 PM Accepted by SEC EDGAR 08/03/2026 - 04:10 PM Learn about SEC filing dates

FAQ

What does the Form 144 filing by ATR relate to?

The Form 144 for ATR relates to a selling security holder’s planned sale of up to 8,855 shares of common stock, originating from restricted stock that vested under a registered plan for services rendered.

How many ATR (ATR) shares are proposed to be sold?

The filing indicates a proposed sale of up to 8,855 shares of ATR common stock. This total matches the sum of multiple restricted stock vesting events listed for 2025 and 2026.

When is the proposed sale date for the ATR (ATR) shares?

The proposed sale date is 08/03/2026. This date applies to the aggregate planned sale of 8,855 ATR common shares through the broker identified in the filing.

Which broker is handling the planned ATR (ATR) stock sale?

The planned sale of ATR common shares is to be handled by Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, 8th Floor, New York, NY 10004.

What is the source of the ATR (ATR) shares being sold?

All shares listed for sale come from restricted stock vesting under a registered plan, credited for services rendered on various vesting dates in 2025 and 2026.

What specific ATR (ATR) vesting events contribute most shares to the sale?

Key vesting events include 3,604 shares vested on 05/02/2025 and 3,598 shares vested on 05/01/2026, along with several smaller grants that together total 8,855 shares.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	8855	1195425.00	63581000	08/03/2026	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	05/01/2026	Restricted Stock Vesting Under a Registered Plan	Issuer			3598	05/01/2026	Services Rendered
Common	02/27/2026	Restricted Stock Vesting Under a Registered Plan	Issuer			66	02/27/2026	Services Rendered
Common	03/15/2026	Restricted Stock Vesting Under a Registered Plan	Issuer			677	03/15/2026	Services Rendered
Common	05/02/2025	Restricted Stock Vesting Under a Registered Plan	Issuer			3604	05/02/2025	Services Rendered
Common	03/17/2026	Restricted Stock Vesting Under a Registered Plan	Issuer			273	03/17/2026	Services Rendered
Common	03/15/2025	Restricted Stock Vesting Under a Registered Plan	Issuer			637	03/15/2025	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

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)