Robert S. Wetherbee - 05 Aug 2025 Form 4 Insider Report for ATI INC (ATI)

Reporting relationship: Executive Chairman, Director
Issuer ticker: ATI
Reported as of: 05 Aug 2025
Net transaction value: -$3,733,165
SEC form: 4
Accepted by SEC: 06 Aug 2025, 17:43:32 UTC
Prior SEC filing: 15 Jul 2025
Next SEC filing: 02 Oct 2025
Source filing: View source filing
Reporting owner signature: /s/ Amanda J. Skov, Attorney-in-Fact for Robert S. Wetherbee

Key filing fact

Robert S. Wetherbee filed Form 4 for ATI INC (ATI) on 06 Aug 2025.

Key facts

This page summarizes Robert S. Wetherbee's Form 4 filing for ATI INC (ATI).
3 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 06 Aug 2025, 17:43.

Change

Previous filing in this sequence was filed on 15 Jul 2025.
Current net transaction value: -$3,733,165.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001572385 Primary reporting owner

WETHERBEE ROBERT S

Relationship: Executive Chairman, Director
Address: 2021 MCKINNEY AVENUE, SUITE 1100, DALLAS
Signature: /s/ Amanda J. Skov, Attorney-in-Fact for Robert S. Wetherbee
Signature date: 06 Aug 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ATI transaction

Common Stock, par value $0.10 per share

Sale

Transaction value: $3,037,071
Shares: -40,777
Change %: -11%
Price: $74.48
Shares after: 315,761
Date: 05 Aug 2025
Ownership: Direct
Footnotes: F1, F2

ATI transaction

Common Stock, par value $0.10 per share

Sale

Transaction value: $543,666
Shares: -7,220
Change %: -2.3%
Price: $75.30
Shares after: 308,541
Date: 05 Aug 2025
Ownership: Direct
Footnotes: F1, F3

ATI transaction

Common Stock, par value $0.10 per share

Sale

Transaction value: $152,428
Shares: -2,003
Change %: -0.65%
Price: $76.10
Shares after: 306,538
Date: 05 Aug 2025
Ownership: Direct
Footnotes: F1, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 4 footnotes

Footnote F1

Shares sold pursuant to a 10b5-1 Trading Plan dated December 12, 2025, entered into for personal tax and estate planning purposes.

Footnote F2

The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $73.87 to to $74.86. 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.

Footnote F3

The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $74.87 to to $75.86. 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.

Footnote F4

The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $75.87 to to $76.33. 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.