UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

______________________

FORM 8-K

______________________

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 28, 2025

______________________

ATI Inc.

(Exact name of registrant as specified in its charter)

______________________

Delaware

1-12001

25-1792394

(State or other jurisdiction
of incorporation)

(Commission
File Number)

(IRS Employer
Identification No.)

2021 McKinney Avenue,

Dallas,

Texas

75201

(Address of principal executive offices)

(Zip Code)

Registrant’s telephone number, including area code (800) 289-7454

N/A

(Former name or former address, if changed since last report).

______________________

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):


			☐			Written communication pursuant to Rule 425 under the Securities Act (17 CFR 230.425)


			☐			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)


			☐			Pre-commencement communication pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))


			☐			Pre-commencement communication pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading
Symbol(s)

Name of each exchange
on which registered

Common Stock, par value $0.10 per share

ATI

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition.

On October 28, 2025, ATI Inc. ("the Company") issued a press release (the "Earnings Press Release") announcing its financial results for the third quarter 2025. The text of the Press Release is included as Exhibit 99.1 to this Current Report on Form 8-K.

The information disclosed under this Item 2.02, including Exhibit 99.1 hereto, is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 and shall not deemed incorporated by reference into any filing under the Securities Act of 1933, except as expressly set forth by specific reference in such filing.

Item 9.01. Exhibit.


(d)	Exhibit 99.1	Press release dated October 28 , 2025.
	Exhibit 104	Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

ATI Inc.

By:

/s/ Donald P. Newman

Donald P. Newman

Executive Vice President, Finance and Chief Financial Officer

Dated:

October 28, 2025

ATI INC 8-K