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  4. [Form 4] ATI INC Insider Trading Activity

ATI executive chairman files Form 4 for planned stock sales

Filing Impact
(Very High)
Filing Sentiment
(Very Negative)
Form Type
4

Rhea-AI Filing Summary

ATI Inc. executive chairman and director Robert S. Wetherbee reported open-market sales of common stock on 11/18/2025 on a Form 4 filing. The transactions were coded as sales and executed under a pre-arranged Rule 10b5-1 trading plan dated August 15, 2025 that was established for personal tax and estate planning purposes.

He sold 8,291 shares at a weighted average price of $97.20, 24,711 shares at a weighted average price of $98.21, and 26,998 shares at a weighted average price of $98.80, each in multiple trades within the stated price ranges. Following these transactions, he reported beneficial ownership of 246,538.3409 shares of ATI common stock.

Positive

  • None.

Negative

  • None.
Insider WETHERBEE ROBERT S
Role Executive Chairman
Sold 60,000 shs ($5.90M)
Type Security Shares Price Value
Sale Common Stock, par value $0.10 per share 8,291 $97.20 $806K
Sale Common Stock, par value $0.10 per share 24,711 $98.21 $2.43M
Sale Common Stock, par value $0.10 per share 26,998 $98.80 $2.67M
Holdings After Transaction: Common Stock, par value $0.10 per share — 298,247.341 shares (Direct)
Footnotes (1)
  1. Shares sold pursuant to a 10b5-1 Trading Plan dated August 15, 2025, entered into for personal tax and estate planning purposes. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $96.56 to to $97.55. The reporting person undertakes to provide to the Issuer, its security holders and the Staff of the U.S. Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold at each specific price within the range reported. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $97.57 to to $98.55. The reporting person undertakes to provide to the Issuer, its security holders and the Staff of the SEC, upon request, full information regarding the number of shares sold at each specific price within the range reported. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $98.56 to to $99.22. The reporting person undertakes to provide to the Issuer, its security holders and the Staff of the SEC, upon request, full information regarding the number of shares sold at each specific price within the range reported.
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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
 Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
WETHERBEE ROBERT S
(Last) (First) (Middle)
2021 MCKINNEY AVENUE
SUITE 1100
(Street)
DALLAS TX 75201
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
ATI INC [ ATI ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
X Officer (give title below) Other (specify below)
Executive Chairman
3. Date of Earliest Transaction (Month/Day/Year)
11/18/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock, par value $0.10 per share 11/18/2025 S 8,291(1) D $97.2(2) 298,247.3409 D
Common Stock, par value $0.10 per share 11/18/2025 S 24,711(1) D $98.21(3) 273,536.3409 D
Common Stock, par value $0.10 per share 11/18/2025 S 26,998(1) D $98.8(4) 246,538.3409 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
1. Shares sold pursuant to a 10b5-1 Trading Plan dated August 15, 2025, entered into for personal tax and estate planning purposes.
2. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $96.56 to to $97.55. The reporting person undertakes to provide to the Issuer, its security holders and the Staff of the U.S. Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold at each specific price within the range reported.
3. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $97.57 to to $98.55. The reporting person undertakes to provide to the Issuer, its security holders and the Staff of the SEC, upon request, full information regarding the number of shares sold at each specific price within the range reported.
4. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $98.56 to to $99.22. The reporting person undertakes to provide to the Issuer, its security holders and the Staff of the SEC, upon request, full information regarding the number of shares sold at each specific price within the range reported.
/s/ Amanda J. Skov, Attorney-in-Fact for Robert S. Wetherbee 11/20/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source: View Original Filing on SEC EDGAR

FAQ

What did ATI (ATI) disclose in this Form 4 filing?

The filing shows that Robert S. Wetherbee, ATI Inc.'s executive chairman and director, reported sales of ATI common stock in open-market transactions on 11/18/2025.

How many ATI shares did Robert S. Wetherbee sell on 11/18/2025?

He sold 8,291 shares at one weighted average price, 24,711 shares at a second weighted average price, and 26,998 shares at a third weighted average price.

At what prices were the ATI shares sold in the reported transactions?

The sales were at weighted average prices of $97.20, $98.21, and $98.80, each executed in multiple trades within specified price ranges described in the filing.

Was the ATI insider sale done under a Rule 10b5-1 trading plan?

Yes. The shares were sold under a 10b5-1 Trading Plan dated August 15, 2025, which was entered into for personal tax and estate planning purposes.

How many ATI shares does Robert S. Wetherbee beneficially own after these transactions?

After the reported sales, he reported beneficial ownership of 246,538.3409 shares of ATI common stock.

What role does Robert S. Wetherbee hold at ATI Inc.?

He is both a director and an officer of ATI Inc., serving as the company’s Executive Chairman.