ATI Senior VP Timothy J. Harris Sells 16,500 Shares

What Happened

• Timothy J. Harris, Senior VP and CDIO of ATI Inc. (ATI), disposed of 16,500 shares on 2026-09-08. The reported sale price was $207.54 per share, for proceeds of approximately $3,424,410. This was a sale (not a purchase), which is commonly routine and does not by itself signal a change in company outlook.

Key Details

• Transaction date: 2026-09-08; reported on Form 4 filed 2026-09-10 (timely).
• Price and size: 16,500 shares at $207.54 each — total proceeds ~$3,424,410.
• Shares owned after transaction: Not specified in the provided filing excerpt.
• Footnote: Shares were sold pursuant to a 10b5‑1 trading plan dated May 21, 2026, established for personal tax and estate planning purposes.
• Transaction type: Sale (code S) via open‑market or private sale as reported.

Context

• 10b5‑1 plans are pre‑arranged trading programs that allow insiders to sell shares on a set schedule; sales under such plans are often routine and may not reflect the insider’s current view of the company.
• Sales are generally less informative than purchases for gauging insider confidence, though the size ($3.42M) is material and may be of interest to investors monitoring insider liquidity.