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.
ATI Inc. director reports charitable stock gift. A director of ATI Inc. (ATI) reported a transaction involving the company’s common stock on a Form 4. On 11/19/2025, the director disposed of 185 shares of ATI common stock, par value $0.10 per share, classified as code "G," which indicates a bona fide gift. The filing states these shares were donated to one or more charitable organizations.
Following this donation, the director beneficially owns 34,182 shares of ATI common stock in direct ownership. This filing reflects a personal charitable transaction and does not describe any change to the company’s operations or capital structure.
ATI Inc. director equity grant reported
ATI Inc. reported that one of its directors received an annual equity award of 631 shares of common stock on 11/19/2025. The shares were granted at a price of $0 as restricted stock under ATI's 2022 Incentive Plan as part of the director compensation program. Following this grant, the director beneficially owns 631 shares of ATI common stock held directly. The award is scheduled to vest on the first anniversary of the grant date.
ATI Inc. (ATI) reported a change in insider holdings for board member Elizabeth H. Lund. On 11/19/2025, Lund received an annual award of 631 shares of ATI common stock as restricted stock under the company’s 2022 Incentive Plan, granted as part of the director compensation program.
The restricted stock was reported at a grant price of $0, reflecting that it is a compensation award rather than an open-market purchase. Following this grant, Lund beneficially owns 631 shares of ATI common stock, held directly. The award is scheduled to vest on the first anniversary of the grant date.
A holder of ATI common stock has filed a Form 144 notice to sell 2,598 shares through Fidelity Brokerage Services on the NYSE, with an aggregate market value of $242,289.48. The notice states that 135,863,661 shares of this class are outstanding.
The securities to be sold were acquired through restricted stock vesting from the issuer as compensation, including 1,781 shares on 01/04/2024 and 817 shares on 10/10/2024, both paid as compensation. By signing, the selling holder represents that they do not know of any undisclosed material adverse information about ATI's operations.
ATI Inc. executive chairman and director Robert S. Wetherbee reported open-market sales of common stock on 11/18/2025 on a Form 4 filing. The transactions were coded as sales and executed under a pre-arranged Rule 10b5-1 trading plan dated August 15, 2025 that was established for personal tax and estate planning purposes.
He sold 8,291 shares at a weighted average price of $97.20, 24,711 shares at a weighted average price of $98.21, and 26,998 shares at a weighted average price of $98.80, each in multiple trades within the stated price ranges. Following these transactions, he reported beneficial ownership of 246,538.3409 shares of ATI common stock.
ATI Inc. filed a Form 4 disclosing an insider stock sale by senior vice president and chief digital and information officer Timothy J. Harris. On 11/18/2025, Harris sold 10,542 shares of ATI common stock at a price of $97.77 per share in a transaction coded "S," which indicates a sale.
After this transaction, Harris beneficially owns 108,852 shares of ATI common stock in direct ownership. The filing notes that the shares were sold pursuant to a Rule 10b5-1 trading plan dated August 6, 2025, which is a pre-arranged plan for buying or selling company stock.
ATI filed a Form 144 notice indicating that an insider plans to sell 60,000 shares of ATI common stock through Fidelity Brokerage Services LLC, with sales expected to begin around November 18, 2025 on the NYSE. The planned sale has an aggregate market value of $5,866,200. These 60,000 shares were acquired as restricted stock that vested as compensation on January 6, 2025. ATI had 135,863,661 shares outstanding, providing context for the relative size of this proposed sale.
ATI reports that stockholder Timothy J. Harris filed a notice under Rule 144 to sell 10,542 shares of ATI common stock, with an aggregate market value of $1,030,691.34.
The shares to be sold were acquired through restricted stock vesting on January 9, 2024 as compensation from the issuer. ATI had 135,863,661 common shares outstanding, and the planned sale is listed for around November 18, 2025 on the NYSE through Fidelity Brokerage Services LLC. The filing also notes that Harris sold 10,543 common shares on November 4, 2025 for gross proceeds of $1,012,866.01 and another 10,543 shares on November 11, 2025 for $1,029,945.67.
ATI Inc. announced a leadership transition in its board of directors. The company’s President and Chief Executive Officer, Kimberly A. Fields, has been appointed to become Board Chair effective May 14, 2026, at ATI’s Annual Meeting of Stockholders. On that date, Robert S. Wetherbee, who currently serves as Executive Chairman, will retire from his role and leave the Board. ATI also issued a press release on November 18, 2025 providing additional details about this planned change.
ATI Inc. disclosed that institutional investor Capital World Investors has filed a Schedule 13G reporting a passive ownership stake in ATI common stock. Capital World Investors is deemed to beneficially own 7,909,109 ATI shares, representing 5.7% of the class, based on 137,832,132 shares believed to be outstanding. The filing states that Capital World Investors has sole voting and sole dispositive power over all reported shares and no shared voting or dispositive power. The shares are reported as being acquired and held in the ordinary course of business and not for the purpose of changing or influencing control of ATI.
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