ATI Inc. SEC filings document the reporting record for a NYSE-listed producer of high-performance materials, specialty alloys, components, and related solutions for aerospace and defense, specialty energy, electronics, medical, and other industrial applications. The filings identify the company's common stock, operating disclosures, segment-related performance measures, and risk and governance matters.
ATI's filings include Form 8-K reports for quarterly and annual operating results, share repurchase authorization, executive and board leadership matters, and material financing agreements, including an accounts receivable securitization facility involving ATI Specialty Materials. Proxy materials provide formal disclosure on director elections, executive compensation, shareholder voting matters, board structure, and corporate governance policies.
ATI Inc. Senior VP and CDIO Timothy J. Harris sold 9,000 shares of common stock at $191.82 per share on September 21, 2026. The sale was made under a Rule 10b5-1 Trading Plan dated May 21, 2026, for personal tax and estate planning purposes. He directly held 88,187 shares after the transaction.
ATI INC (ATI) received a Rule 144 notice from officer Timothy J. Harris covering the planned sale of up to 9,000 shares of ATI common stock through Fidelity Brokerage Services LLC on or after September 21, 2026. These shares stem from restricted stock vesting awards granted in 2020, 2021, and 2022.
The notice also lists prior open-market sales by Harris over the past three months, each for 16,500 shares of common stock on August 24, August 31, September 8, and September 14, 2026.
ATI INC (ATI) reported that Senior VP and Chief Digital and Information Officer Timothy J. Harris sold 16,500 shares of common stock on September 14, 2026 at $193.06 per share in an open-market transaction. After this sale, he continues to hold 97,187 shares of ATI common stock directly. The sale was executed under a Rule 10b5-1 Trading Plan dated May 21, 2026, which the footnote states was adopted for personal tax and estate planning purposes.
ATI INC (ATI) discloses that company officer Timothy J. Harris has filed a notice under Rule 144 for the potential sale of 16,500 shares of ATI common stock through Fidelity Brokerage Services LLC. The shares derive from restricted stock vesting awards granted between February 2021 and January 2024. The notice also lists three prior sales over the past three months, each for 16,500 shares of ATI common stock.
ATI INC (ATI) reported that Senior VP and CDIO Timothy J. Harris sold 16,500 shares of common stock on September 8, 2026 at $207.54 per share in an open-market or private transaction. The sale was made pursuant to a Rule 10b5-1 Trading Plan dated May 21, 2026, entered into for personal tax and estate planning purposes, and Harris now directly holds 113,687 shares of ATI common stock.
ATI INC (ATI) received a Rule 144 notice indicating that officer Timothy J. Harris plans to sell 16,500 shares of ATI common stock through Fidelity Brokerage Services LLC. The notice lists prior ATI awards from restricted stock vesting and discloses recent ATI share sales by Harris.
ATI INC (ATI) director David J. Morehouse reported selling 2,485 shares of common stock on September 2, 2026 in an open market or private transaction at a weighted average price of $201.61 per share, with individual prices ranging from $201.56 to $201.82. After this sale, he directly holds 35,826 shares of ATI common stock, and no Rule 10b5-1 trading plan is reported.
ATI INC (ATI) reports that Senior Vice President and Chief Digital and Information Officer Timothy J. Harris sold 16,500 shares of common stock on August 31, 2026 at $210.01 per share in an open-market or private transaction. Following this sale, he directly holds 130,187 shares of ATI common stock. The sale was made pursuant to a Rule 10b5-1 trading plan dated May 21, 2026 that was entered into for personal tax and estate planning purposes.
ATI INC (ATI) received a Rule 144 notice that director David J. Morehouse intends to sell 2,485 shares of ATI common stock through Fidelity Brokerage Services LLC on the NYSE. The filing lists an aggregate market value of $501,002.70 for these shares and shows 136,170,383 ATI common shares outstanding.
The shares to be sold were acquired as restricted stock vesting from the issuer on May 20, 2026 as compensation. The notice indicates no ATI common stock sales for this account during the prior three months.
ATI INC (ATI) received a Rule 144 notice indicating that Timothy J. Harris plans to sell up to 16,500 shares of ATI common stock through Fidelity Brokerage Services LLC on the NYSE. The shares relate to restricted stock vesting on 01/06/2025, characterized as compensation. The notice also reports that Harris sold 16,500 shares of ATI common stock on 08/24/2026 for an aggregate price of $3,414,180.00.