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ATI Inc (NYSE: ATI) insider lines up another stock sale

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
144

Rhea-AI Filing Summary

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.

Positive

  • None.

Negative

  • None.
Shares proposed to be sold 16,500 shares of common stock Rule 144 planned sale by Timothy J. Harris
Aggregate market value of proposed sale $3,465,165.00 Value associated with 16,500 ATI common shares in Rule 144 table
Shares outstanding reference 136,170,383 shares ATI common shares referenced in Rule 144 securities information section
Shares sold in past three months 16,500 shares ATI common stock sold by Timothy J. Harris on 08/24/2026
Aggregate price of past sale $3,414,180.00 Sale of 16,500 ATI common shares on 08/24/2026
Restricted stock vesting date 01/06/2025 Acquisition date for ATI common shares categorized as Compensation
Form 144 date of notice 08/31/2026 Date associated with the Rule 144 securities information section
Rule 144 regulatory
"See the definition of "person" in paragraph (a) of Rule 144."
Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.
restricted stock vesting financial
"Common | 01/06/2025 | Restricted Stock Vesting | Issuer"
Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.
attorney-in-fact regulatory
"as attorney-in-fact for Timothy J. Harris"
An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.
aggregate price financial
"08/24/2026 | 16500 | 3414180.00"

FAQ

What does the Form 144 filing disclose for ATI (ATI)?
The filing discloses that Timothy J. Harris intends to sell up to 16,500 shares of ATI common stock under Rule 144, with the shares acquired via restricted stock vesting on 01/06/2025 and to be sold through Fidelity Brokerage Services LLC on the NYSE.

How many ATI (ATI) shares are proposed to be sold under this Form 144?
The notice states a proposed sale of 16,500 shares of ATI common stock. The Rule 144 securities information table also lists an aggregate market value of $3,465,165.00 associated with these shares.

What prior ATI (ATI) sales by Timothy J. Harris are reported?
The Rule 144 filing reports that on 08/24/2026, Timothy J. Harris sold 16,500 shares of ATI common stock for an aggregate price of $3,414,180.00 during the past three months.

How were the ATI (ATI) shares to be sold originally acquired?
The securities to be sold are identified as ATI common stock acquired through restricted stock vesting on 01/06/2025, and the acquisition is categorized as Compensation from the issuer.

What share count for ATI (ATI) is referenced in the Rule 144 table?
The Rule 144 securities information section references 136,170,383 ATI common shares in its table, presented in connection with the Rule 144 disclosure requirements for the issuer’s equity securities.

Who is executing the ATI (ATI) Form 144 on behalf of Timothy J. Harris?
The Form 144 is signed by Jennifer Ruchti as a duly authorized representative of Fidelity Brokerage Services LLC, acting as attorney-in-fact for Timothy J. Harris.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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144: Filer Information

144: Issuer Information

144: Securities Information



Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold


* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.



Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

144: Remarks and Signature

Source: View Original Filing on SEC EDGAR