ATI (NYSE: ATI) insider files Form 144 to sell 60,000 common shares

Rhea-AI Filing Summary

ATI insider Robert S. Wetherbee has filed a notice of proposed sale under Rule 144 to sell 60,000 shares of the issuer’s common stock through Fidelity Brokerage Services LLC on the NYSE, with an aggregate market value of $5,995,200. These shares were acquired on 01/06/2025 through restricted stock vesting and are described as compensation.

The notice states that 135,863,661 shares of common stock were outstanding at the time of the filing; this is a baseline figure, not the amount being sold. The filing also reports that Wetherbee sold 60,000 common shares on 11/18/2025 for gross proceeds of $5,900,085.54 during the prior three months.

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

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	60000	5995200.00	135863661	12/02/2025	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	01/06/2025	Restricted Stock Vesting	Issuer			60000	01/06/2025	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Robert S. Wetherbee 2021 McKinney Avenue Dallas TX 75201	Common	11/18/2025	60000	5900085.54

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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

How many ATI (ATI) shares are planned to be sold under this Form 144?

The notice reports a planned sale of 60,000 shares of the issuer’s common stock under Rule 144.

What is the estimated market value of the ATI (ATI) shares to be sold?

The planned 60,000 common shares have an aggregate market value of $5,995,200 according to the filing.

How and when did the ATI (ATI) insider acquire the 60,000 shares being sold?

The 60,000 shares were acquired on 01/06/2025 via restricted stock vesting, characterized in the filing as compensation.

Which broker and exchange are involved in this ATI (ATI) Form 144 sale?

The filing lists Fidelity Brokerage Services LLC as broker, with the shares to be sold on the NYSE.

How many ATI (ATI) shares were outstanding when this planned sale was reported?

The document states that there were 135,863,661 shares of common stock outstanding at the time of the notice.

What ATI (ATI) stock sales has the insider reported in the past three months?

The filing discloses that Robert S. Wetherbee sold 60,000 common shares on 11/18/2025 for gross proceeds of $5,900,085.54.

What representation does the ATI (ATI) insider make when signing the Form 144?

By signing, the insider represents that he does not know any material adverse information about the issuer’s current or prospective operations that has not been publicly disclosed.