Form 4: ATI Senior VP Sells Shares Under 10b5-1 Plan

ATI Inc.'s Senior VP and CDIO, Timothy J. Harris, sold 10,542 shares of common stock for $97.77 per share under a pre-arranged 10b5-1 plan.

Summary

• Timothy J. Harris, Senior VP and CDIO of ATI Inc., reported a sale of common stock.
• The transaction involved the disposition of 10,542 shares of ATI common stock.
• The shares were sold at a price of $97.77 per share on November 18, 2025.
• The total value of the shares sold was approximately $1,030,600.14.
• Following this transaction, Mr. Harris beneficially owns 108,852 shares of ATI common stock.
• The sale was executed pursuant to a Rule 10b5-1 trading plan established on August 6, 2025.

Sentiment

Score: 5

Explanation: The filing reports a routine insider stock sale executed under a pre-arranged 10b5-1 plan. Such transactions are generally considered neutral as they are planned in advance and do not typically reflect new information about the company's performance or outlook.

Positives

• The sale was conducted under a Rule 10b5-1 plan, indicating a pre-scheduled transaction designed to avoid accusations of trading on material non-public information, which is a positive for corporate governance and transparency.

Negatives

• An insider sale, even under a 10b5-1 plan, can sometimes be perceived by the market as a lack of confidence, although this is mitigated by the pre-planned nature of the transaction.

Risks

• No specific risks are detailed in this Form 4 filing beyond the general market perception associated with insider stock sales.

Future Outlook

This Form 4 filing does not contain any forward-looking statements or guidance regarding the company's future outlook.

Industry Context

This is a routine insider transaction, common across all industries, where executives manage their personal holdings, often through pre-arranged 10b5-1 plans to comply with insider trading regulations.

Comparison to Industry Standards

• The use of a Rule 10b5-1 plan for executive stock sales is a widely adopted best practice in corporate governance across publicly traded companies, including peers in the specialty materials and aerospace & defense sectors like Allegheny Technologies Incorporated (ATI) itself, Carpenter Technology Corporation (CRS), and Haynes International (HAYN). This practice helps mitigate concerns about insider trading by establishing a pre-determined schedule for stock transactions.

Corporate Governance

Stakeholder Impact

• Shareholders: The sale represents a minor reduction in insider ownership, which is generally a neutral event when conducted under a 10b5-1 plan. It does not signal a change in company fundamentals.
• Employees: No direct impact on employees is indicated by this filing.
• Customers/Suppliers/Creditors: No direct impact on these stakeholders is indicated by this filing.

Key Dates

Recommendation

The filing reports a routine insider stock sale executed under a pre-arranged 10b5-1 plan. Such transactions are generally not indicative of a change in the company's fundamental outlook or a significant shift in management's confidence, thus a 'hold' recommendation is maintained based solely on this filing.

Keywords

ATI, insider trading, Form 4, stock sale, 10b5-1 plan, Timothy J. Harris, executive compensation, common stock