Robert S. Wetherbee plans new 60,000-share ATI (ATI) stock sale

Rhea-AI Filing Summary

Robert S. Wetherbee has filed a Form 144 notice to sell 60,000 shares of ATI common stock through Fidelity Brokerage Services on or about 02/10/2026 on the NYSE, with an aggregate market value of $8,154,000 based on the figures provided and 135,863,661 shares outstanding.

During the past three months, the same seller reported three separate sales of 60,000 ATI common shares each, on 11/18/2025, 12/02/2025, and 12/18/2025, generating gross proceeds of $5,900,085.54, $5,938,682.00, and $6,574,475.50, respectively.

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	8154000.00	135863661	02/10/2026	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	01/09/2024	Restricted Stock Vesting	Issuer			32954	01/09/2024	Compensation
Common	01/03/2025	Restricted Stock Vesting	Issuer			13747	01/03/2025	Compensation
Common	01/04/2025	Restricted Stock Vesting	Issuer			13286	01/04/2025	Compensation
Common	01/03/2026	Restricted Stock Vesting	Issuer			13	01/03/2026	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
Robert S. Wetherbee 2021 McKinney Avenue Dallas TX 75201	Common	12/18/2025	60000	6574475.50

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

What does ATI’s latest Form 144 filing by Robert S. Wetherbee show?

The Form 144 shows that Robert S. Wetherbee intends to sell 60,000 ATI common shares. The planned sale will be executed through Fidelity on the NYSE, with an aggregate market value of about $8.15 million based on the numbers disclosed.

How many ATI shares is Robert S. Wetherbee planning to sell under this Form 144?

He plans to sell 60,000 shares of ATI common stock. The filing lists an aggregate market value of $8,154,000.00 for this block, with the transaction expected to occur on or about February 10, 2026 on the NYSE.

What ATI share sales has Robert S. Wetherbee reported in the last 3 months?

He reported three prior ATI common stock sales of 60,000 shares each. These took place on November 18, 2025, December 2, 2025, and December 18, 2025, with gross proceeds of $5.90M, $5.94M, and $6.57M, respectively.

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

The planned 60,000-share ATI sale is listed for execution on the NYSE. The broker named in the filing is Fidelity Brokerage Services LLC, with its address at 900 Salem Street, Smithfield, Rhode Island 02917.

How many ATI shares are reported as outstanding in this Form 144 filing?

The Form 144 reports 135,863,661 ATI common shares outstanding. This figure provides context for the size of the planned 60,000-share sale relative to the total share count referenced in the notice.

How were the ATI shares being sold by Robert S. Wetherbee originally acquired?

The filing shows the ATI common shares were acquired through restricted stock vesting from the issuer. Acquisition dates include January 9, 2024, January 3, 2025, January 4, 2025, and January 3, 2026, with consideration described as compensation.