Skip to main content

Ati Inc

ATI
Exchange
NYSE
Industry
Steel Pipe & Tubes
SEC CIK
0001018963

In the last 90 days, Ati Inc insiders filed 0 open-market purchases and 9 sales; 795 institutions reported holding it in 13F filings for Q2 2026, worth $25.2B in total; 3 superinvestors hold it, including Viking Global Investors and Soros Fund Management.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Ati Inc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
9 filings
3 insiders, $34.8M in total
Insiders trading
3
Net value
−$34.8M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Ati Inc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Ati Inc
NameTitleLast reported holdingLast filingFilings, past year
Harris Timothy JSenior VP and CDIO88,187Sep 23, 202611
Morehouse David JDirector35,826Sep 4, 20263
Fields Kimberly AChair, President and CEO100,719Aug 19, 202610
Foster James RobertSVP, Finance and CFO57,824Jul 6, 20262
Ball M LeroyDirector34,737May 21, 20263
Hess David PDirector34,945May 21, 20261
Corvi CarolynDirector71,146May 21, 20261
Carlisle Herbert JDirector37,556May 21, 20261
Kah MarianneDirector35,075May 21, 20261
Sharma RubyDirector7,285May 21, 20261
Lund Elizabeth HefleyDirector1,536May 21, 20262
Lydon-Rodgers JeanDirector1,536May 21, 20262
Bhatia Vaishali S.SVP, General Counsel and CCO58,420Mar 24, 20263
Miller Michael BenjaminVP Chief Accounting Officer7,639Mar 3, 20263
Wetherbee Robert SExecutive Chairman269,623Feb 19, 20264
Busch Tina KilloughSVP, CHRO21,274Nov 25, 20252
Harvey J BrettDirector98,866May 22, 20250
Newman Donald PEVP and CFO249,111Jan 7, 20250
Williams Jimmy Jr.SVP, CTO11,620Jan 7, 20250
Washington NettaEVP, HPMC11,894May 3, 20240
Davis Elliot SChief Legal & Compl. Officer123,927Mar 4, 20240
Diggs James CDirector46,591Sep 12, 20230
Schwartz Karl DVP, Controller & CAO62,833Sep 14, 20220
Kramer Kevin BSr. VP, CCMO160,338Apr 18, 20220
Powers Elizabeth CSenior VP, CHRO167,578Mar 2, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 23, 2026 (view filing)10:32 AM ETSep 212 daysHarris Timothy JSenior VP and CDIOSSaleCommon Stock, par value $0.10 per share−9.00K$191.82−$1.73M−9.3%88.2K after10b5-1
Sep 16, 2026 (view filing)8:20 PM ETSep 142 daysHarris Timothy JSenior VP and CDIOSSaleCommon Stock, par value $0.10 per share−16.5K$193.06−$3.19M−14.5%97.2K after10b5-1
Sep 10, 2026 (view filing)4:12 PM ETSep 82 daysHarris Timothy JSenior VP and CDIOSSaleCommon Stock, par value $0.10 per share−16.5K$207.54−$3.42M−12.7%113.7K after10b5-1
Sep 4, 2026 (view filing)4:24 PM ETSep 22 daysMorehouse David JDirectorSSaleCommon Stock, par value $0.10 per share−2.48K$201.61−$501.0K−6.5%35.8K after
Sep 2, 2026 (view filing)5:41 PM ETAug 312 daysHarris Timothy JSenior VP and CDIOSSaleCommon Stock, par value $0.10 per share−16.5K$210.01−$3.47M−11.2%130.2K after10b5-1
Aug 26, 2026 (view filing)3:57 PM ETAug 242 daysHarris Timothy JSenior VP and CDIOSSaleCommon Stock, par value $0.10 per share−16.5K$206.92−$3.41M−10.1%146.7K after10b5-1
Aug 19, 2026 (view filing)5:05 PM ETAug 172 daysFields Kimberly AChair, President and CEOSSaleCommon Stock, par value $0.10 per share−24.8K$231.19−$5.74M−19.8%100.7K after5 lots10b5-1
Jul 30, 2026 (view filing)4:43 PM ETJul 282 daysFields Kimberly AChair, President and CEOSSaleCommon Stock, par value $0.10 per share−31.8K$190.99−$6.07M−20.2%125.6K after10b5-1
Jul 9, 2026 (view filing)4:33 PM ETJul 72 daysFields Kimberly AChair, President and CEOSSaleCommon Stock, par value $0.10 per share−40.0K$182.91−$7.32M−20.3%157.3K after10 lots10b5-1
Jun 24, 2026 (view filing)Jun 22-242 daysFields Kimberly AChair, President and CEOSSaleCommon Stock, par value $0.10 per share−20.7K$200.64−$4.15M−9.5%197.3K after3 lots10b5-1
Jun 4, 2026 (view filing)Jun 22 daysFields Kimberly AChair, President and CEOSSaleCommon Stock, par value $0.10 per share−59.7K$179.07−$10.7M−21.5%218.0K after6 lots10b5-1
May 12, 2026 (view filing)May 111 dayFields Kimberly APresident, CEO and DirectorSSaleCommon Stock, par value $0.10 per share−40.0K$159.21−$6.37M−12.6%277.8K after7 lots10b5-1
Mar 11, 2026 (view filing)Mar 92 daysMorehouse David JDirectorSSaleCommon Stock, par value $0.10 per share−6.61K$154.25−$1.02M−14.8%38.2K after2 lots
Feb 19, 2026 (view filing)Feb 10-179 daysLateWetherbee Robert SExecutive ChairmanSSaleCommon Stock, par value $0.10 per share−31.3K$145.21−$4.54M−10.4%269.6K after3 lots10b5-1
Feb 19, 2026 (view filing)Feb 172 daysWetherbee Robert SExecutive ChairmanSSaleCommon Stock, par value $0.10 per share+28.7K$146.07+$4.20M+11.4%280.1K after10b5-1
Dec 19, 2025 (view filing)Dec 181 dayWetherbee Robert SExecutive ChairmanSSaleCommon Stock, par value $0.10 per share−53.9K$109.48−$5.90M−28.9%132.7K after2 lots10b5-1
Dec 19, 2025 (view filing)Dec 181 dayWetherbee Robert SExecutive ChairmanSSaleCommon Stock, par value $0.10 per share+6.16K$110.34+$679.5K+5.1%126.5K after10b5-1
Nov 25, 2025 (view filing)Nov 25Same dayHarris Timothy JSenior VP and CDIOSSaleCommon Stock, par value $0.10 per share−10.5K$97.88−$1.03M−9.7%98.3K after10b5-1
Nov 25, 2025 (view filing)Nov 214 daysBusch Tina KilloughSVP, CHROSSaleCommon Stock, par value $0.10 per share−2.60K$93.26−$242.3K−10.9%21.3K after
Nov 20, 2025 (view filing)Nov 182 daysWetherbee Robert SExecutive ChairmanSSaleCommon Stock, par value $0.10 per share−60.0K$98.34−$5.90M−19.6%246.5K after3 lots10b5-1
Nov 20, 2025 (view filing)Nov 182 daysHarris Timothy JSenior VP and CDIOSSaleCommon Stock, par value $0.10 per share−10.5K$97.77−$1.03M−8.8%108.9K after10b5-1
Nov 12, 2025 (view filing)Nov 111 dayHarris Timothy JSenior VP and CDIOSSaleCommon Stock, par value $0.10 per share−10.5K$97.69−$1.03M−8.1%119.4K after10b5-1
Nov 5, 2025 (view filing)Nov 41 dayHarris Timothy JSenior VP and CDIOSSaleCommon Stock, par value $0.10 per share−10.5K$96.07−$1.01M−7.5%129.9K after10b5-1
Oct 16, 2025 (view filing)Oct 151 dayFields Kimberly APresident, CEO and DirectorSSaleCommon Stock, par value $0.10 per share−21.2K$85.87−$1.82M−9.5%202.7K after10b5-1
Oct 8, 2025 (view filing)Oct 62 daysFields Kimberly APresident, CEO and DirectorSSaleCommon Stock, par value $0.10 per share−21.2K$82.03−$1.74M−8.6%223.8K after10b5-1
Sep 23, 2025 (view filing)Sep 221 dayFields Kimberly APresident, CEO and DirectorSSaleCommon Stock, par value $0.10 per share−20.3K$80.33−$1.63M−7.7%245.0K after10b5-1
Sep 10, 2025 (view filing)Sep 91 dayFields Kimberly APresident & CEOSSaleCommon Stock, par value $0.10 per share−15.9K$77.52−$1.24M−5.7%265.3K after10b5-1
Aug 6, 2025 (view filing)Aug 42 daysMorehouse David JDirectorSSaleCommon Stock, par value $0.10 per share−7.90K$75.81−$598.9K−15.0%44.8K after2 lots
Aug 6, 2025 (view filing)Aug 51 dayWetherbee Robert SExecutive ChairmanSSaleCommon Stock, par value $0.10 per share−50.0K$74.66−$3.73M−14.0%306.5K after3 lots10b5-1
Jun 16, 2025 (view filing)Jun 124 daysWetherbee Robert SExecutive ChairmanSSaleCommon Stock, par value $0.10 per share−50.0K$83.93−$4.20M−12.3%356.5K after3 lots10b5-1
Jun 5, 2025 (view filing)Jun 32 daysWetherbee Robert SExecutive ChairmanSSaleCommon Stock, par value $0.10 per share−50.0K$81.64−$4.08M−11.0%406.5K after10b5-1
May 22, 2025 (view filing)May 6-2016 daysLateWetherbee Robert SExecutive ChairmanSSaleCommon Stock, par value $0.10 per share−50.0K$75.37−$3.77M−9.9%456.5K after2 lots10b5-1
May 8, 2025 (view filing)May 62 daysWetherbee Robert SExecutive ChairmanSSaleCommon Stock, par value $0.10 per share−50.0K$68.18−$3.41M−9.0%506.5K after2 lots10b5-1
Apr 3, 2025 (view filing)Apr 12 daysMorehouse David JDirectorSSaleCommon Stock, par value $0.10 per share−17.0K$52.03−$884.5K−25.6%49.4K after
Feb 7, 2025 (view filing)Feb 61 dayBusch Tina KilloughSVP, CHROSSaleCommon Stock, par value $0.10 per share−9.90K$66.41−$657.5K−27.6%26.0K after
Dec 6, 2024 (view filing)Dec 42 daysWetherbee Robert SExecutive ChairmanSSaleCommon Stock, par value $0.10 per share−25.0K$58.99−$1.47M−5.4%436.4K after10b5-1
Dec 6, 2024 (view filing)Dec 42 daysBusch Tina KilloughSVP, CHROSSaleCommon Stock, par value $0.10 per share−2.60K$60.02−$155.9K−10.8%21.6K after
Nov 18, 2024 (view filing)Nov 153 daysWetherbee Robert SExecutive ChairmanSSaleCommon Stock, par value $0.10 per share−25.0K$56.35−$1.41M−5.1%461.4K after10b5-1
Oct 16, 2024 (view filing)Oct 151 dayWetherbee Robert SExecutive ChairmanSSaleCommon Stock, par value $0.10 per share−25.0K$62.23−$1.56M−4.9%486.4K after10b5-1
Sep 17, 2024 (view filing)Sep 161 dayWetherbee Robert SExecutive ChairmanSSaleCommon Stock, par value $0.10 per share−25.0K$61.61−$1.54M−4.7%511.4K after10b5-1
Mar 4, 2024 (view filing)Feb 294 daysDavis Elliot SChief Legal & Compl. OfficerSSaleCommon Stock, par value $0.10 per share−45.4K$49.12−$2.23M−26.8%123.9K after
Feb 14, 2024 (view filing)Feb 12-132 daysHarris Timothy JSenior VP and CDIOSSaleCommon Stock, par value $0.10 per share−12.7K$42.16−$533.3K−10.9%103.0K after2 lots
Jan 8, 2024 (view filing)Jan 35 daysLateDavis Elliot SChief Legal & Compl. OfficerSSaleCommon Stock, par value $0.10 per share−12.1K$43.37−$525.8K−8.9%123.9K after
Jan 5, 2024 (view filing)Jan 41 dayDavis Elliot SChief Legal & Compl. OfficerSSaleCommon Stock, par value $0.10 per share−1.79K$43.06−$77.0K−1.3%136.0K after
Sep 12, 2023 (view filing)Sep 84 daysDiggs James CDirectorSSaleCommon Stock, par value $0.10 per share−2.67K$44.90−$120.1K−5.4%46.6K after10b5-1
Aug 11, 2023 (view filing)Aug 101 dayHarris Timothy JSenior VP and CDIOSSaleCommon Stock, par value $0.10 per share−12.9K$43.57−$560.2K−14.3%77.0K after
Jul 12, 2023 (view filing)Jul 102 daysDavis Elliot SChief Legal & Compl. OfficerSSaleCommon Stock, par value $0.10 per share−7.04K$45.00−$316.8K−5.0%134.6K after
Jul 3, 2023 (view filing)Jun 294 daysDavis Elliot SChief Legal & Compl. OfficerSSaleCommon Stock, par value $0.10 per share−7.04K$42.50−$299.2K−4.7%141.6K after
Jun 14, 2023 (view filing)Jun 122 daysDavis Elliot SChief Legal & Compl. OfficerSSaleCommon Stock, par value $0.10 per share−7.04K$40.00−$281.6K−4.5%148.7K after
Feb 10, 2023 (view filing)Feb 82 daysDavis Elliot SChief Legal & Compl. OfficerSSaleCommon Stock, par value $0.10 per share−9.63K$39.07−$376.1K−6.0%151.6K after