ATI Inc.

Last updated September 27, 2026

Organization details

Legal name
ATI Inc.
Ownership
Public
Status
Active
Headquarters country
United States
Ticker symbol
ATI
Primary stock exchange
NYSE

Identifiers

SEC CIK
0001018963

Board of directors

Chief executives

Kimberly A. Fields · President, CEO and Director
Dates unknown

Board connections

8 of this board's directors also sit on 12 other boards.

Network of ATI Inc.'s board connections Brandywine Realty Trust Brandywine Realty Trus... Commercial Metals Company Commercial Metals Comp... GATX Corporation GATX Corporation Hyster-Yale Inc. Hyster-Yale Inc. Koppers Holdings Inc. Koppers Holdings Inc. Silgan Holdings Inc. Silgan Holdings Inc. SoundThinking Inc. SoundThinking Inc. Southwest Airlines Company Southwest Airlines Com... Southwest Gas Holdings Inc. Southwest Gas Holdings... United Airlines Holdings Inc. United Airlines Holdin... Warrior Met Coal Inc. Warrior Met Coal Inc. Woodward Inc. Woodward Inc. Carolyn Corvi Carolyn Corvi David P. Hess David P. Hess J. Brett Harvey J. Brett Harvey James C. Diggs James C. Diggs Kimberly A. Fields Kimberly A. Fields M. Leroy Ball M. Leroy Ball Robert S. Wetherbee Robert S. Wetherbee Ruby Sharma Ruby Sharma ATI Inc.
Shared director Other board Same sector

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months
$0
0 purchases by 0 insiders
Sold, last 12 months
$86,193,848
57 sales by 5 insiders
Date Insider Transaction Shares Price Value
Sep 21, 2026 Harris Timothy J Officer (Senior VP and CDIO) Open-market sale −9,000 $191.82 $1,726,380
Sep 14, 2026 Harris Timothy J Officer (Senior VP and CDIO) Open-market sale −16,500 $193.06 $3,185,490
Sep 8, 2026 Harris Timothy J Officer (Senior VP and CDIO) Open-market sale −16,500 $207.54 $3,424,410
Sep 2, 2026 David J. Morehouse Director Open-market sale −2,485 $201.61 $501,001
Aug 31, 2026 Harris Timothy J Officer (Senior VP and CDIO) Open-market sale −16,500 $210.01 $3,465,165
Aug 24, 2026 Harris Timothy J Officer (Senior VP and CDIO) Open-market sale −16,500 $206.92 $3,414,180
Aug 17, 2026 Kimberly A. Fields Director, Officer (Chair, President and CEO) Open-market sale −1,000 $228.32 $228,320
Aug 17, 2026 Kimberly A. Fields Director, Officer (Chair, President and CEO) Open-market sale −2,000 $229.56 $459,120
Aug 17, 2026 Kimberly A. Fields Director, Officer (Chair, President and CEO) Open-market sale −8,131 $230.66 $1,875,496
Aug 17, 2026 Kimberly A. Fields Director, Officer (Chair, President and CEO) Open-market sale −9,116 $231.72 $2,112,360
Aug 17, 2026 Kimberly A. Fields Director, Officer (Chair, President and CEO) Open-market sale −4,598 $232.43 $1,068,713
Jul 28, 2026 Kimberly A. Fields Director, Officer (Chair, President and CEO) Open-market sale −31,757 $190.99 $6,065,269
Jul 7, 2026 Kimberly A. Fields Director, Officer (Chair, President and CEO) Open-market sale −2,000 $179.25 $358,500
Jul 7, 2026 Kimberly A. Fields Director, Officer (Chair, President and CEO) Open-market sale −2,000 $180.00 $360,000
Jul 7, 2026 Kimberly A. Fields Director, Officer (Chair, President and CEO) Open-market sale −200 $180.85 $36,170

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