Welcome to our dedicated page for Allegheny Tech SEC filings (Ticker: ATI), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The ATI Inc. (NYSE: ATI) SEC filings page brings together the company’s regulatory disclosures, giving investors and researchers direct access to official information about this producer of high-performance materials and solutions for aerospace and defense, electronics, medical and specialty energy applications.
ATI’s filings with the U.S. Securities and Exchange Commission include annual reports on Form 10-K and quarterly reports on Form 10-Q, which describe its High Performance Materials & Components (HPMC) and Advanced Alloys & Solutions (AA&S) segments, end markets and risk factors. These core reports explain how ATI’s specialty metals, advanced alloys, parts and components contribute to its overall business.
Current reports on Form 8-K, several of which are referenced in the recent data, disclose material events such as earnings releases, leadership changes, board appointments, credit agreements and accounts receivable securitization facilities. For ATI, these 8-K filings provide detail on topics like new financing arrangements, executive transitions and the timing of earnings announcements.
Investors can also use this page to follow other key SEC documents, including any registration statements and proxy materials that address governance and executive compensation. Together, these filings outline ATI’s capital structure, credit facilities, governance practices and strategic priorities as a high-performance materials manufacturer.
Stock Titan enhances access to ATI filings with AI-powered summaries that highlight the main points of lengthy documents, helping users quickly understand segment discussions, major contracts, financing terms and disclosed risks. Real-time updates from EDGAR, combined with simplified explanations of complex forms such as 10-Ks, 10-Qs and 8-Ks, make it easier to track how ATI reports its operations, financial condition and material corporate events over time.
Capital International Investors filed an amended Schedule 13G reporting a significant passive stake in ATI Inc. as of 09/30/2025. The firm is deemed to beneficially own 17,638,463 shares of ATI common stock, representing 12.8% of the class.
The filer reports sole voting power over 17,610,082 shares and sole dispositive power over 17,638,463 shares, with no shared voting or dispositive power. The certification states the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control.
ATI Inc. filed a Form 3, an initial statement of beneficial ownership, for a board member with an event date of 11/01/2025. The filing indicates the reporting person is a Director and states, “No securities are beneficially owned.”
This is a routine Section 16 disclosure that records insider status and current holdings at the time of becoming a reporting person.
ATI Inc. (ATI) filed a Form 4 reporting an insider sale. Senior VP and Chief Digital & Information Officer Timothy J. Harris sold 10,543 shares of common stock at $97.69 on 11/11/2025. Following the transaction, he beneficially owned 119,394 shares.
The filing notes the sale was made under a Rule 10b5-1 trading plan dated August 6, 2025, which pre‑arranges transactions. The ownership reported is direct.
ATI Inc. (ATI)Elizabeth Hefley Lund, reflecting an event date of 11/01/2025. The filing states: No securities are beneficially owned.
ATI (ATI): Form 144 notice of proposed sale. A shareholder filed to sell up to 10,543 shares of ATI common stock with an aggregate market value of $1,029,945.67, through Fidelity Brokerage Services LLC on or about 11/11/2025 on the NYSE.
The shares listed for sale were acquired via restricted stock vesting from the issuer on 01/03/2024 (1,722 shares), 01/04/2024 (681), and 01/09/2024 (8,140). Shares outstanding were 135,863,661; this is a baseline figure, not the amount being sold. In the past three months, the filer sold 10,543 shares on 11/04/2025 for gross proceeds of $1,012,866.01.
ATI Inc. (ATI) insider transaction: Senior VP and CDIO Timothy J. Harris sold 10,543 shares of common stock on 11/04/2025 at a price of $96.07 per share, reported with transaction code “S”. The filing indicates direct ownership.
The sale was made pursuant to a Rule 10b5-1 trading plan dated August 6, 2025. Following the transaction, Harris beneficially owned 129,937 shares directly.
ATI (Form 144): A shareholder filed notice to sell up to 10,543 shares of common stock through Fidelity Brokerage Services on the NYSE, with an approximate sale date of 11/04/2025. The filing lists an aggregate market value of $1,012,866.01 for the proposed sale.
The shares were acquired on 01/04/2024 via restricted stock vesting from the issuer as compensation. Shares outstanding were 135,863,661 at the time noted in the filing; this is a baseline figure, not the amount being sold.
ATI Inc. reported stronger Q3 results. Sales were $1,125.5 million versus $1,051.2 million a year ago as aerospace and defense demand led growth. Operating income rose to $162.4 million from $142.2 million. Diluted EPS increased to $0.78 from $0.57.
Year-to-date, revenue reached $3,410.3 million (up from $3,189.4 million) and diluted EPS was $2.16 (from $1.61). Cash provided by operating activities improved to $298.5 million from $26.3 million, while capital spending was $187.9 million. The company repurchased $470.0 million of stock year-to-date, reducing cash to $372.2 million from $721.2 million at year‑end.
Backlog was $3.6 billion at September 28, 2025, with approximately 70% expected to be satisfied within 12 months. ATI completed the sale of its East Hartford, CT operation for $20.5 million, recognizing a $1.1 million gain, and earlier divested two small European operations. Shares outstanding were 135,863,661 as of October 10, 2025.
ATI Inc. furnished an 8‑K to announce its third quarter 2025 financial results. On October 28, 2025, the company issued an earnings press release, which is provided as Exhibit 99.1.
The disclosure under Item 2.02 is being furnished, not filed, under the Exchange Act and is not incorporated by reference into Securities Act filings except if specifically referenced. The filing also includes Exhibit 104, the cover page Inline XBRL data file.
ATI (ATI) insider transaction: President, CEO and Director Kimberly A. Fields reported a sale of Common Stock. On 10/15/2025, she sold 21,153 shares at $85.87 per share in a transaction coded “S.” The filing states this sale was made pursuant to a Rule 10b5-1 trading plan dated June 11, 2025 established for personal tax and estate planning purposes.
Following the sale, Fields beneficially owned 202,668 shares directly. The reported security is Common Stock, par value $0.10 per share. The filing was made by one reporting person.
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