ATI Senior VP Timothy J Harris Sells 9,000 Shares

What Happened Timothy J. Harris, Senior Vice President and Chief Digital & Information Officer of ATI Inc. (ATI), sold 9,000 shares on September 21, 2026 at $191.82 per share, generating proceeds of $1,726,380. This was a sale (not a purchase or exercise) and is commonly a routine disposition rather than an explicit statement of company outlook.

Key Details

• Transaction date: 2026-09-21
• Price and amount: 9,000 shares at $191.82 per share; total proceeds $1,726,380
• Transaction type/code: Open-market sale (S)
• Filing date: Form 4 filed 2026-09-23 (timely; within the usual 2-business-day reporting window)
• Shares owned after transaction: Not disclosed in the supplied filing excerpt
• Footnote: Sale was pursuant to a 10b5-1 trading plan dated May 21, 2026, established for personal tax and estate planning purposes

Context A 10b5-1 trading plan lets insiders execute pre-arranged trades at specified times or conditions and is commonly used to avoid potential insider trading concerns. Such plan-driven sales are often routine and do not necessarily reflect the insider’s current view of the company.