ATI insider plans sale of 60,000 common shares on NYSE

ATI insider Robert S. Wetherbee filed a notice of proposed sale of 60,000 shares of ATI common stock through Fidelity Brokerage Services LLC on the NYSE, with an aggregate market value of $6,574,475.50.

Rhea-AI Filing Summary

ATI insider Robert S. Wetherbee filed a notice of proposed sale of 60,000 shares of ATI common stock through Fidelity Brokerage Services LLC on the NYSE, with an aggregate market value of $6,574,475.50.

The shares to be sold were acquired from the issuer as compensation via restricted stock vesting on January 4, 2025 (6,042 shares) and January 6, 2025 (53,958 shares. The notice states that ATI had 135,863,661 common shares outstanding and that Wetherbee sold 60,000 shares on November 18, 2025 for gross proceeds of $5,900,085.54 and another 60,000 shares on December 2, 2025 for $5,938,682.00 during the prior three months.

FAQ

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

How many ATI (ATI) shares is Robert S. Wetherbee planning to sell?

Robert S. Wetherbee filed to sell 60,000 shares of ATI common stock, with an aggregate market value of $6,574,475.50.

On which exchange will the ATI (ATI) shares be sold and through which broker?

The 60,000 ATI common shares are indicated for sale on the NYSE through Fidelity Brokerage Services LLC.

How did Robert S. Wetherbee acquire the ATI (ATI) shares being sold?

The shares were acquired from the issuer as restricted stock vesting on January 4, 2025 (6,042 shares) and January 6, 2025 (53,958 shares), both as compensation.

How many ATI (ATI) common shares were outstanding at the time referenced?

The notice reports that 135,863,661 ATI common shares were outstanding.

What ATI (ATI) stock sales did Robert S. Wetherbee report in the past three months?

He reported selling 60,000 common shares on November 18, 2025 for gross proceeds of $5,900,085.54 and another 60,000 shares on December 2, 2025 for $5,938,682.00.

What type of filing covers this ATI (ATI) insider share sale?

The transaction details are disclosed in a Form 144 notice of proposed sale of securities.

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

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Accepted by SEC EDGAR 12/18/2025 - 04:54 PM 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	0001572385
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	ATI INC
SEC File Number	001-12001
Address of Issuer	2021 MCKINNEY AVENUE DALLAS TEXAS 75201
Phone	4123942800
Name of Person for Whose Account the Securities are To Be Sold	WETHERBEE ROBERT S
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
Relationship to Issuer	Director

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	6574475.50	135863661	12/18/2025	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	01/04/2025	Restricted Stock Vesting	Issuer			6042	01/04/2025	Compensation
Common	01/06/2025	Restricted Stock Vesting	Issuer			53958	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
Robert S. Wetherbee 2021 McKinney Avenue Dallas TX 75201	Common	12/02/2025	60000	5938682.00

144: Remarks and Signature

Remarks
Date of Notice	12/18/2025
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	08/15/2025
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/ Jennifer Ruchti, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Robert S. Wetherbee
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)