ATI Form 144 details planned sale of 2,598 common shares

Rhea-AI Filing Summary

A holder of ATI common stock has filed a Form 144 notice to sell 2,598 shares through Fidelity Brokerage Services on the NYSE, with an aggregate market value of $242,289.48. The notice states that 135,863,661 shares of this class are outstanding.

The securities to be sold were acquired through restricted stock vesting from the issuer as compensation, including 1,781 shares on 01/04/2024 and 817 shares on 10/10/2024, both paid as compensation. By signing, the selling holder represents that they do not know of any undisclosed material adverse information about ATI's operations.

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	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	2598	242289.48	135863661	11/21/2025	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	01/04/2024	Restricted Stock Vesting	Issuer			1781	01/04/2024	Compensation
Common	10/10/2024	Restricted Stock Vesting	Issuer			817	10/10/2024	Compensation

* 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)

FAQ

What does ATI's Form 144 for 2,598 common shares disclose?

The Form 144 shows that a holder of ATI common stock plans to sell 2,598 shares on the NYSE, with an aggregate market value of $242,289.48.

How many ATI shares are outstanding according to this Form 144?

The notice reports that there are 135,863,661 ATI common shares outstanding for the class of securities referenced.

When are the ATI shares under this Form 144 expected to be sold?

The Form 144 lists an approximate sale date of 11/21/2025 for the 2,598 common shares.

How did the ATI shareholder acquire the 2,598 shares being sold?

The shares were acquired via restricted stock vesting from the issuer as compensation, including 1,781 shares on 01/04/2024 and 817 shares on 10/10/2024.

What representation does the ATI selling holder make in the Form 144?

The selling holder represents that they do not know any material adverse information about ATI's current or prospective operations that has not been publicly disclosed.

Which broker is handling the ATI Form 144 share sale?

The planned sale of 2,598 ATI common shares is listed with Fidelity Brokerage Services LLC as the broker.