MetaCap

ATI Insider Trades

NYSE: ATIIndustrialsSteel/Iron OreUSD

191.84+3.71 (+1.97%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Last 12 months

Purchases
0 · $0
Sales
49 · $73.67M
Shares bought / sold
0 / 434.30K
Net activity
Net selling $73.7 million

ATI insider activity

Over the last 12 months, ATI insiders reported 89 transactions on SEC Form 4: 0 open-market purchases and 49 sales. Insiders bought $0 and sold $73.7 million worth of stock, for net insider selling of $73.7 million. The largest seller was Fields Kimberly A, with $40.3 million in reported sales.

The most recent filing shows Harris Timothy J (Senior VP and CDIO) selling 9,000 shares at $191.82 on Sep 21, 2026. Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put ATI's ownership changes in context.

Summary generated from market data by MetaCap's automated system. Methodology

ATI insider transactions

ATI insider transactions
DateInsiderTypeSharesValueFiling
Sep 21, 2026Harris Timothy JSenior VP and CDIOSale9,000$1.73MForm 4
Sep 14, 2026Harris Timothy JSenior VP and CDIOSale16,500$3.19MForm 4
Sep 8, 2026Harris Timothy JSenior VP and CDIOSale16,500$3.42MForm 4
Sep 2, 2026Morehouse David JDirectorSale2,485$501.00KForm 4
Aug 31, 2026Harris Timothy JSenior VP and CDIOSale16,500$3.47MForm 4
Aug 24, 2026Harris Timothy JSenior VP and CDIOSale16,500$3.41MForm 4
Aug 17, 2026Fields Kimberly AChair, President and CEOSale4,598$1.07MForm 4
Aug 17, 2026Fields Kimberly AChair, President and CEOSale9,116$2.11MForm 4
Aug 17, 2026Fields Kimberly AChair, President and CEOSale8,131$1.88MForm 4
Aug 17, 2026Fields Kimberly AChair, President and CEOSale2,000$459.12KForm 4
Aug 17, 2026Fields Kimberly AChair, President and CEOSale1,000$228.32KForm 4
Jul 28, 2026Fields Kimberly AChair, President and CEOSale31,757$6.07MForm 4
Jul 7, 2026Fields Kimberly AChair, President and CEOSale400$75.00KForm 4
Jul 7, 2026Fields Kimberly AChair, President and CEOSale200$37.27KForm 4
Jul 7, 2026Fields Kimberly AChair, President and CEOSale388$71.82KForm 4
Jul 7, 2026Fields Kimberly AChair, President and CEOSale4,878$899.21KForm 4
Jul 7, 2026Fields Kimberly AChair, President and CEOSale15,908$2.92MForm 4
Jul 7, 2026Fields Kimberly AChair, President and CEOSale11,826$2.16MForm 4
Jul 7, 2026Fields Kimberly AChair, President and CEOSale2,200$398.99KForm 4
Jul 7, 2026Fields Kimberly AChair, President and CEOSale200$36.17KForm 4
Jul 7, 2026Fields Kimberly AChair, President and CEOSale2,000$360.00KForm 4
Jul 7, 2026Fields Kimberly AChair, President and CEOSale2,000$358.50KForm 4
Jul 1, 2026Foster James RobertSVP, Finance and CFOOption exercise163$31.59KForm 4
Jun 24, 2026Fields Kimberly AChair, President and CEOSale3,783$746.05KForm 4
Jun 23, 2026Fields Kimberly AChair, President and CEOSale3,641$719.02KForm 4
Jun 22, 2026Fields Kimberly AChair, President and CEOSale13,269$2.69MForm 4
Jun 2, 2026Fields Kimberly AChair, President and CEOSale3,001$548.43KForm 4
Jun 2, 2026Fields Kimberly AChair, President and CEOSale2,000$363.80KForm 4
Jun 2, 2026Fields Kimberly AChair, President and CEOSale1,896$342.80KForm 4
Jun 2, 2026Fields Kimberly AChair, President and CEOSale13,164$2.37MForm 4
Jun 2, 2026Fields Kimberly AChair, President and CEOSale13,865$2.48MForm 4
Jun 2, 2026Fields Kimberly AChair, President and CEOSale25,823$4.60MForm 4
May 19, 2026Carlisle Herbert JDirectorAward905—Form 4
May 19, 2026Corvi CarolynDirectorAward905—Form 4
May 19, 2026Hess David PDirectorAward905—Form 4
May 19, 2026BALL M LEROYDirectorAward905—Form 4
May 19, 2026Lund Elizabeth HefleyDirectorAward905—Form 4
May 19, 2026Kah MarianneDirectorAward905—Form 4
May 19, 2026Lydon-Rodgers JeanDirectorAward905—Form 4
May 19, 2026Morehouse David JDirectorAward1,743—Form 4
May 19, 2026Sharma RubyDirectorAward905—Form 4
May 11, 2026Fields Kimberly APresident, CEO and DirectorSale8,780$1.41MForm 4
May 11, 2026Fields Kimberly APresident, CEO and DirectorSale11,982$1.92MForm 4
May 11, 2026Fields Kimberly APresident, CEO and DirectorSale2,600$414.39KForm 4
May 11, 2026Fields Kimberly APresident, CEO and DirectorSale6,420$1.02MForm 4
May 11, 2026Fields Kimberly APresident, CEO and DirectorSale3,350$527.66KForm 4
May 11, 2026Fields Kimberly APresident, CEO and DirectorSale5,568$870.22KForm 4
May 11, 2026Fields Kimberly APresident, CEO and DirectorSale1,300$200.23KForm 4
Mar 20, 2026Bhatia Vaishali S.SVP, General Counsel and CCOTax withholding3,509$505.12KForm 4
Mar 9, 2026Morehouse David JDirectorSale5,324$822.72KForm 4
Mar 9, 2026Morehouse David JDirectorSale1,285$196.75KForm 4
Mar 2, 2026Miller Michael BenjaminVP Chief Accounting OfficerTax withholding413$67.73KForm 4
Feb 17, 2026BALL M LEROYDirectorGift350—Form 4
Feb 17, 2026WETHERBEE ROBERT SExecutive ChairmanSale28,724$4.20MForm 4
Feb 17, 2026WETHERBEE ROBERT SExecutive ChairmanSale8,403$1.22MForm 4
Feb 17, 2026WETHERBEE ROBERT SExecutive ChairmanSale12,435$1.79MForm 4
Feb 10, 2026WETHERBEE ROBERT SExecutive ChairmanSale10,438$1.53MForm 4
Jan 5, 2026Bhatia Vaishali S.SVP, General Counsel and CCOTax withholding1,944$235.38KForm 4
Jan 5, 2026Bhatia Vaishali S.SVP, General Counsel and CCOAward3,152—Form 4
Jan 5, 2026Miller Michael BenjaminVP Chief Accounting OfficerTax withholding374$45.28KForm 4
Jan 5, 2026Miller Michael BenjaminVP Chief Accounting OfficerAward854—Form 4
Jan 5, 2026WETHERBEE ROBERT SExecutive ChairmanTax withholding16,021$1.94MForm 4
Jan 5, 2026WETHERBEE ROBERT SExecutive ChairmanTax withholding72,907$8.83MForm 4
Jan 5, 2026WETHERBEE ROBERT SExecutive ChairmanAward185,276—Form 4
Jan 5, 2026WETHERBEE ROBERT SExecutive ChairmanTax withholding69,369$8.40MForm 4
Jan 5, 2026WETHERBEE ROBERT SExecutive ChairmanOption exercise362,644—Form 4
Jan 5, 2026Harris Timothy JSenior VP and CDIOTax withholding3,359$406.71KForm 4
Jan 5, 2026Harris Timothy JSenior VP and CDIOTax withholding20,283$2.46MForm 4
Jan 5, 2026Harris Timothy JSenior VP and CDIOAward46,318—Form 4
Jan 5, 2026Harris Timothy JSenior VP and CDIOTax withholding30,918$3.74MForm 4
Jan 5, 2026Harris Timothy JSenior VP and CDIOOption exercise70,442—Form 4
Jan 5, 2026Harris Timothy JSenior VP and CDIOAward2,677—Form 4
Jan 5, 2026Fields Kimberly APresident, CEO and DirectorTax withholding7,028$850.95KForm 4
Jan 5, 2026Fields Kimberly APresident, CEO and DirectorTax withholding32,352$3.92MForm 4
Jan 5, 2026Fields Kimberly APresident, CEO and DirectorAward82,216—Form 4
Jan 5, 2026Fields Kimberly APresident, CEO and DirectorTax withholding38,871$4.71MForm 4
Jan 5, 2026Fields Kimberly APresident, CEO and DirectorOption exercise98,620—Form 4
Jan 5, 2026Fields Kimberly APresident, CEO and DirectorAward12,510—Form 4
Jan 5, 2026Foster James RobertSVP, Finance and CFOTax withholding2,256$273.16KForm 4
Jan 5, 2026Foster James RobertSVP, Finance and CFOTax withholding2,835$343.26KForm 4
Jan 5, 2026Foster James RobertSVP, Finance and CFOAward6,517—Form 4
Jan 5, 2026Foster James RobertSVP, Finance and CFOTax withholding18,453$2.23MForm 4
Jan 5, 2026Foster James RobertSVP, Finance and CFOOption exercise42,265—Form 4
Jan 5, 2026Foster James RobertSVP, Finance and CFOAward3,127—Form 4
Dec 18, 2025WETHERBEE ROBERT SExecutive ChairmanSale6,158$679.47KForm 4
Dec 18, 2025WETHERBEE ROBERT SExecutive ChairmanSale47,355$5.19MForm 4
Dec 18, 2025WETHERBEE ROBERT SExecutive ChairmanSale6,507$708.35KForm 4
Nov 25, 2025Harris Timothy JSenior VP and CDIOSale10,542$1.03MForm 4
Nov 21, 2025Busch Tina KilloughSVP, CHROSale2,598$242.29KForm 4

Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4

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