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ATI Insider Trading

Insider Ownership Percentage: 0.98%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $73,268,708.65

ATI Insider Trading History Chart

This chart shows the insider buying and selling history at ATI by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

ATI Share Price & Price History

Current Price: $183.45
Price Change: ▼ Price Decrease of -6.203 (-3.27%)
As of 09/17/2026 03:59 PM ET

This chart shows the closing price history over time for ATI up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

ATI Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
9/14/2026Timothy J. HarrisVPSell16,500$193.06$3,185,490.0097,187View SEC Filing Icon  
9/8/2026Timothy J. HarrisVPSell16,500$207.54$3,424,410.00113,687View SEC Filing Icon  
9/2/2026David J. MorehouseDirectorSell2,485$201.61$501,000.8535,826View SEC Filing Icon  
8/31/2026Timothy J. HarrisVPSell16,500$210.01$3,465,165.00130,187View SEC Filing Icon  
8/17/2026Kimberly A. FieldsCEOSell24,845$231.19$5,743,915.55100,719View SEC Filing Icon  
7/28/2026Kimberly A. FieldsCEOSell31,757$190.99$6,065,269.43125,564View SEC Filing Icon  
7/7/2026Kimberly A. FieldsCEOSell40,000$182.91$7,316,400.00157,321View SEC Filing Icon  
6/24/2026Kimberly A. FieldsCEOSell3,783$197.21$746,045.43197,321View SEC Filing Icon  
6/23/2026Kimberly A. FieldsCEOSell3,641$197.48$719,024.68201,104View SEC Filing Icon  
6/22/2026Kimberly A. FieldsCEOSell13,269$202.48$2,686,707.12204,745View SEC Filing Icon  
6/2/2026Kimberly A. FieldsCEOSell59,749$179.07$10,699,253.43218,014View SEC Filing Icon  
5/11/2026Kimberly A. FieldsCEOSell40,000$159.21$6,368,400.00277,763View SEC Filing Icon  
3/9/2026David J. MorehouseDirectorSell6,609$154.25$1,019,438.2538,168View SEC Filing Icon  
12/18/2025Robert S. WetherbeeChairmanSell53,862$109.48$5,896,811.76132,676View SEC Filing Icon  
11/25/2025Timothy J. HarrisVPSell10,542$97.88$1,031,850.9698,310View SEC Filing Icon  
11/21/2025Tina Killough BuschSVPSell2,598$93.26$242,289.4821,274View SEC Filing Icon  
11/18/2025Robert S. WetherbeeChairmanSell60,000$98.34$5,900,400.00246,538View SEC Filing Icon  
11/18/2025Timothy J. HarrisVPSell10,542$97.77$1,030,691.34108,852View SEC Filing Icon  
11/11/2025Timothy J. HarrisVPSell10,543$97.69$1,029,945.67119,394View SEC Filing Icon  
11/4/2025Timothy J. HarrisVPSell10,543$96.07$1,012,866.01129,937View SEC Filing Icon  
10/15/2025Kimberly A. FieldsCEOSell21,153$85.87$1,816,408.11202,668View SEC Filing Icon  
10/6/2025Kimberly A. FieldsCEOSell21,154$82.03$1,735,262.62223,821View SEC Filing Icon  
9/22/2025Kimberly A. FieldsCEOSell20,312$80.33$1,631,662.96244,975View SEC Filing Icon  
9/9/2025Kimberly A. FieldsCEOSell15,941$77.52$1,235,746.32265,287View SEC Filing Icon  
8/5/2025Robert S. WetherbeeChairmanSell50,000$74.66$3,733,000.00306,538View SEC Filing Icon  
8/4/2025David J. MorehouseDirectorSell7,900$75.81$598,899.0044,777View SEC Filing Icon  
6/12/2025Robert S. WetherbeeChairmanSell50,000$83.93$4,196,500.00356,538View SEC Filing Icon  
6/3/2025Robert S. WetherbeeChairmanSell50,000$81.64$4,082,000.00406,538View SEC Filing Icon  
5/20/2025Robert S. WetherbeeChairmanSell45,359$75.31$3,415,986.29461,179View SEC Filing Icon  
5/6/2025Robert S. WetherbeeChairmanSell50,000$68.18$3,409,000.00506,538View SEC Filing Icon  
2/6/2025Tina Killough BuschSVPSell9,900$66.41$657,459.0025,994View SEC Filing Icon  
12/4/2024Robert S. WetherbeeChairmanSell25,000$58.99$1,474,750.00436,443View SEC Filing Icon  
12/4/2024Tina Killough BuschSVPSell2,598$60.02$155,931.9621,553View SEC Filing Icon  
10/15/2024Robert S. WetherbeeChairmanSell25,000$62.23$1,555,750.00486,443View SEC Filing Icon  
9/16/2024Robert S. WetherbeeChairmanSell25,000$61.61$1,540,250.00511,443View SEC Filing Icon  
2/12/2024Timothy J. HarrisVPSell6,325$42.44$268,433.00109,331View SEC Filing Icon  
1/4/2024Elliot S. DavisInsiderSell1,789$43.06$77,034.34136,050View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for ATI (NYSE:ATI)

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at ATI by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

ATI Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/9/2026Sequoia Financial Advisors LLC33,554$6.61M0.0%+485.8%0.025%Search for SEC Filing on Google Icon
9/9/2026Tidal Investments LLC91,436$18.02M0.0%-11.8%0.067%Search for SEC Filing on Google Icon
9/9/2026Arlington Capital Management Inc.1,211$0.24M0.1%N/A0.001%Search for SEC Filing on Google Icon
9/9/2026WINTON GROUP Ltd13,394$2.64M0.1%+50.5%0.010%Search for SEC Filing on Google Icon
9/9/2026Engineers Gate Manager LP87,049$17.16M0.2%+26.3%0.064%Search for SEC Filing on Google Icon
9/9/2026Integrated Wealth Concepts LLC5,890$1.16M0.0%+7.8%0.004%Search for SEC Filing on Google Icon
9/9/2026NewEdge Advisors LLC5,967$1.18M0.0%+50.3%0.004%Search for SEC Filing on Google Icon
9/9/2026Baird Financial Group Inc.1,779$0.35M0.0%-8.3%0.001%Search for SEC Filing on Google Icon
9/8/2026Allworth Financial LP2,840$0.56M0.0%+15.7%0.002%Search for SEC Filing on Google Icon
9/8/2026Arizona State Retirement System37,654$7.42M0.0%+0.9%0.028%Search for SEC Filing on Google Icon
9/8/2026Waverly Advisors LLC44,418$8.76M0.1%-3.6%0.033%Search for SEC Filing on Google Icon
9/8/2026Nykredit A S3,855$0.76M0.0%N/A0.003%Search for SEC Filing on Google Icon
9/4/2026Parkside Financial Bank & Trust610$0.12M0.0%+28.4%0.000%Search for SEC Filing on Google Icon
8/27/2026Corient Private Wealth LP78,728$15.52M0.0%+578.2%0.058%Search for SEC Filing on Google Icon
8/26/2026Amundi388,616$76.60M0.0%+48.8%0.285%Search for SEC Filing on Google Icon
8/26/2026HighTower Advisors LLC31,264$6.16M0.0%-8.2%0.023%Search for SEC Filing on Google Icon
8/25/2026VIRGINIA RETIREMENT SYSTEMS ET Al23,828$4.70M0.0%N/A0.017%Search for SEC Filing on Google Icon
8/23/2026Ameritas Advisory Services LLC1,658$0.33M0.0%N/A0.001%Search for SEC Filing on Google Icon
8/23/2026Wedmont Private Capital2,198$0.41M0.0%+13.2%0.002%Search for SEC Filing on Google Icon
8/23/2026HB Wealth Management LLC4,979$0.98M0.0%+20.9%0.004%Search for SEC Filing on Google Icon
8/23/2026Nilsine Partners LLC25,713$5.07M0.4%+2.7%0.019%Search for SEC Filing on Google Icon
8/23/2026Angeles Wealth Management LLC1,220$0.24M0.0%N/A0.001%Search for SEC Filing on Google Icon
8/22/2026AlphaGrep UK Ltd4,725$0.93M0.3%N/A0.003%Search for SEC Filing on Google Icon
8/22/2026Oakmont Investment Advisors Inc.5,371$1.06M0.7%N/A0.004%Search for SEC Filing on Google Icon
8/22/2026Three Seasons Wealth LLC1,190$0.24M0.0%N/A0.001%Search for SEC Filing on Google Icon
8/22/2026TD Waterhouse Canada Inc.2,515$0.48M0.0%-67.1%0.002%Search for SEC Filing on Google Icon
8/22/2026Concurrent Investment Advisors LLC6,808$1.34M0.0%+9.8%0.005%Search for SEC Filing on Google Icon
8/21/2026AXQ Capital LP18,637$3.67M0.4%-14.1%0.014%Search for SEC Filing on Google Icon
8/21/2026Greenspring Advisors LLC1,172$0.23M0.0%N/A0.001%Search for SEC Filing on Google Icon
8/21/2026Nykredit A S3,855$0.76M0.0%N/A0.003%Search for SEC Filing on Google Icon
8/21/2026Triumph Capital Management317$62K0.0%+22.4%0.000%Search for SEC Filing on Google Icon
8/20/2026Headlands Technologies LLC8,300$1.64M0.2%+152.5%0.006%Search for SEC Filing on Google Icon
8/20/2026Senator Investment Group LP80,000$15.77M0.6%-44.8%0.059%Search for SEC Filing on Google Icon
8/20/2026Quantitative Investment Management LLC1,953$0.38M0.0%-9.5%0.001%Search for SEC Filing on Google Icon
8/20/2026Susquehanna Fundamental Investments LLC95,495$18.82M0.4%+15.4%0.070%Search for SEC Filing on Google Icon
8/20/2026Moore Capital Management LP30,927$6.10M0.1%-8.8%0.023%Search for SEC Filing on Google Icon
8/20/2026Sigma Planning Corp4,934$0.97M0.0%-53.1%0.004%Search for SEC Filing on Google Icon
8/20/2026Two Sigma Securities LLC2,646$0.52M0.0%-40.9%0.002%Search for SEC Filing on Google Icon
8/20/2026Cookson Peirce & Co. Inc.45,845$9.04M0.3%+58.4%0.034%Search for SEC Filing on Google Icon
8/20/2026Northwestern Mutual Wealth Management Co.78,629$15.50M0.0%-0.9%0.058%Search for SEC Filing on Google Icon
8/20/2026Rational Advisors Inc.14,100$2.78M0.3%+104.3%0.010%Search for SEC Filing on Google Icon
8/20/2026Greenleaf Trust1,286$0.25M0.0%N/A0.001%Search for SEC Filing on Google Icon
8/19/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC428,271$84.41M0.0%+20.7%0.315%Search for SEC Filing on Google Icon
8/19/2026Toth Financial Advisory Corp5,609$1.11M0.1%+124.4%0.004%Search for SEC Filing on Google Icon
8/19/2026Van ECK Associates Corp27,953$5.51M0.0%N/A0.021%Search for SEC Filing on Google Icon
8/19/2026Hsbc Holdings PLC65,083$12.82M0.0%+126.1%0.048%Search for SEC Filing on Google Icon
8/19/2026Wellington Management Group LLP81,401$16.04M0.0%+7.5%0.060%Search for SEC Filing on Google Icon
8/19/2026Archer Investment Corp1,510$0.30M0.0%N/A0.001%Search for SEC Filing on Google Icon
8/18/2026Beacon Pointe Advisors LLC1,680$0.33M0.0%N/A0.001%Search for SEC Filing on Google Icon
8/18/2026Empowered Funds LLC91,374$18.01M0.1%N/A0.067%Search for SEC Filing on Google Icon
8/18/2026United Capital Financial Advisors LLC1,687$0.33M0.0%N/A0.001%Search for SEC Filing on Google Icon
8/18/2026Public Employees Retirement System of Ohio40,142$7.91M0.0%N/A0.029%Search for SEC Filing on Google Icon
8/17/2026Capstone Investment Advisors LLC10,849$2.14M0.0%N/A0.008%Search for SEC Filing on Google Icon
8/17/2026Corient Private Wealth LP67,987$13.40M0.0%N/A0.050%Search for SEC Filing on Google Icon
8/17/2026Ausdal Financial Partners Inc.2,127$0.42M0.0%N/A0.002%Search for SEC Filing on Google Icon
8/17/2026Bank of America Corp DE1,767,047$348.29M0.0%N/A1.298%Search for SEC Filing on Google Icon
8/15/2026Freestone Grove Partners LP587,093$115.72M0.7%N/A0.431%Search for SEC Filing on Google Icon
8/15/2026Caisse de depot et placement du Quebec1,800$0.36M0.0%N/A0.001%Search for SEC Filing on Google Icon
8/15/2026Man Group plc59,556$11.74M0.0%N/A0.044%Search for SEC Filing on Google Icon
8/15/2026Jupiter Topco LLC60,508$11.92M0.0%N/A0.044%Search for SEC Filing on Google Icon
8/14/2026Hsbc Holdings PLC65,083$12.82M0.0%N/A0.048%Search for SEC Filing on Google Icon
8/14/2026EFG International AG719$0.14M0.0%N/A0.001%Search for SEC Filing on Google Icon
8/14/2026Expect Equity LLC22,645$4.46M2.9%N/A0.017%Search for SEC Filing on Google Icon
8/14/2026Canada Pension Plan Investment Board321,526$63.37M0.0%N/A0.236%Search for SEC Filing on Google Icon
8/14/2026Castleark Management LLC4,830$0.95M0.0%N/A0.004%Search for SEC Filing on Google Icon
8/14/2026Legal & General Group Plc199,420$39.31M0.0%N/A0.146%Search for SEC Filing on Google Icon
8/14/2026The Manufacturers Life Insurance Company64,289$12.67M0.0%N/A0.047%Search for SEC Filing on Google Icon
8/14/2026S Squared Technology LLC40,000$7.88M0.0%N/A0.029%Search for SEC Filing on Google Icon
8/14/2026Marathon Partners Equity Management LLC6,000$1.18M1.1%N/A0.004%Search for SEC Filing on Google Icon
8/14/2026Cetera Trust Company N.A6,548$1.29M0.6%N/A0.005%Search for SEC Filing on Google Icon
8/14/2026Paradigm Capital Management Inc. NY18,000$3.55M0.1%N/A0.013%Search for SEC Filing on Google Icon
8/14/2026Algert Global LLC112,780$22.23M0.3%+5.2%0.083%Search for SEC Filing on Google Icon
8/13/2026Gallo Partners LP2,974$0.59M1.3%N/A0.002%Search for SEC Filing on Google Icon
8/13/2026Cibc World Market Inc.1,043$0.21M0.0%N/A0.001%Search for SEC Filing on Google Icon
8/13/2026Tribune Investment Group LP29,380$5.79M2.3%-8.2%0.022%Search for SEC Filing on Google Icon
8/13/2026Sanctuary Advisors LLC117,432$23.15M0.1%N/A0.086%Search for SEC Filing on Google Icon
8/13/2026Connor Clark & Lunn Investment Management Ltd.21,561$4.25M0.0%N/A0.016%Search for SEC Filing on Google Icon
8/13/2026Meiji Yasuda Asset Management Co Ltd.3,159$0.62M0.0%N/A0.002%Search for SEC Filing on Google Icon
8/13/2026Barrow Hanley Mewhinney & Strauss LLC658,413$129.77M0.4%N/A0.484%Search for SEC Filing on Google Icon
8/13/2026Globeflex Capital L P67,186$13.24M1.7%N/A0.049%Search for SEC Filing on Google Icon
8/13/2026Bank of Nova Scotia417,290$82.25M0.1%N/A0.306%Search for SEC Filing on Google Icon
8/12/2026Commerce Bank2,117$0.42M0.0%N/A0.002%Search for SEC Filing on Google Icon
8/12/2026Pinnbrook Capital Management LP82,081$16.18M1.7%N/A0.060%Search for SEC Filing on Google Icon
8/12/2026Northwestern Mutual Wealth Management Co.78,629$15.50M0.0%N/A0.058%Search for SEC Filing on Google Icon
8/12/2026Quantbot Technologies LP27,156$5.35M0.2%N/A0.020%Search for SEC Filing on Google Icon
8/12/2026Emerald Investment Advisers LLC4,468$0.88M0.1%N/A0.003%Search for SEC Filing on Google Icon
8/12/2026Landscape Capital Management L.L.C.7,649$1.51M0.1%N/A0.006%Search for SEC Filing on Google Icon
8/12/2026Rakuten Securities Inc.460$91K0.0%N/A0.000%Search for SEC Filing on Google Icon
8/12/2026Ieq Capital LLC66,949$13.20M0.1%N/A0.049%Search for SEC Filing on Google Icon
8/12/2026Callan Family Office LLC3,926$0.77M0.0%N/A0.003%Search for SEC Filing on Google Icon
8/11/2026Keating Financial Advisory Services Inc.694$0.14M0.0%N/A0.001%Search for SEC Filing on Google Icon
8/11/2026Allworth Financial LP2,840$0.56M0.0%N/A0.002%Search for SEC Filing on Google Icon
8/11/2026Greenspring Advisors LLC1,172$0.23M0.0%N/A0.001%Search for SEC Filing on Google Icon
8/11/2026Vise Technologies Inc.3,406$0.67M0.0%N/A0.002%Search for SEC Filing on Google Icon
8/10/2026Johnson Financial Group Inc.550$0.11M0.0%N/A0.000%Search for SEC Filing on Google Icon
8/10/2026NewEdge Wealth LLC3,985$0.79M0.0%N/A0.003%Search for SEC Filing on Google Icon
8/10/2026Danske Bank A S36,988$7.29M0.0%N/A0.027%Search for SEC Filing on Google Icon
8/10/2026Diversify Advisory Services LLC2,014$0.39M0.0%N/A0.001%Search for SEC Filing on Google Icon
8/8/2026Meeder Advisory Services Inc.1,385$0.27M0.0%N/A0.001%Search for SEC Filing on Google Icon
8/8/2026Meeder Asset Management Inc.389$77K0.0%N/A0.000%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
ATI logo
ATI Inc. produces and sells specialty materials and complex components worldwide. It operates in two segments: High Performance Materials & Components (HPMC) and Advanced Alloys & Solutions (AA&S). The HPMC segment produces various materials, including titanium and titanium-based alloys, nickel- and cobalt-based alloys and superalloys, metallic powder alloys, advanced powder alloys and other specialty materials, in long product forms, such as ingot, billet, bar, rod, wire, shapes and rectangles, and seamless tubes, as well as precision forgings, components, and machined parts. The AA&S segment produces zirconium and related alloys, including hafnium and niobium, nickel-based alloys, titanium and titanium-based alloys, and specialty alloys in a variety of forms, such as plate, sheet, and precision rolled strip products. It also provides hot-rolling conversion services, including carbon steel products. ATI Inc. serves to aerospace and defense, energy, automotive, construction and mining, food equipment and appliances, and medical markets. The company was formerly known as Allegheny Technologies Incorporated. ATI Inc. was incorporated in 1996 and is headquartered in Dallas, Texas.
Read More on ATI

Today's Range

Now: $183.45
Low: $179.59
High: $197.00

50 Day Range

MA: $203.31
Low: $178.14
High: $231.48

52 Week Range

Now: $183.45
Low: $75.02
High: $243.57

Volume

2,259,099 shs

Average Volume

1,832,949 shs

Market Capitalization

$24.98 billion

P/E Ratio

53.80

Dividend Yield

N/A

Beta

1.01

Who are the company insiders with the largest holdings of ATI?

ATI's top insider investors include:
  1. Robert S Wetherbee (Chairman)
  2. Richard J Harshman (CEO)
  3. Robert S Wetherbee (CEO)
  4. Kimberly A Fields (CEO)
  5. Elliot S Davis (SVP)
  6. Elliot S Davis (Insider)
  7. Kevin B Kramer (CMO)
  8. Timothy J Harris (VP)
  9. Robert S Wetherbee (Insider)
  10. Karl D Schwartz (CAO)
Learn More about top insider investors at ATI.

Who are the major institutional investors of ATI?

ATI's top institutional investors include:
  1. BlackRock Inc. — 13.71%
  2. Bank of America Corp DE — 1.30%
  3. Bank of New York Mellon Corp — 0.63%
  4. Barrow Hanley Mewhinney & Strauss LLC — 0.48%
  5. Assenagon Asset Management S.A. — 0.48%
  6. Freestone Grove Partners LP — 0.43%
Learn More about top institutional investors of ATI stock.

Which major investors are selling ATI stock?

Within the previous quarter, ATI stock was sold by these institutional investors:
  1. Senator Investment Group LP
  2. Tidal Investments LLC
  3. Tema ETFs LLC
  4. Sigma Planning Corp
  5. TD Waterhouse Canada Inc.
  6. Arista Wealth Management LLC
  7. Graphene Investments SAS
  8. AXQ Capital LP
In the previous year, company insiders that have sold ATI company stock include:
  1. Kimberly A Fields (CEO)
  2. Robert S Wetherbee (Chairman)
  3. Timothy J Harris (VP)
  4. David J Morehouse (Director)
  5. Tina Killough Busch (SVP)
Learn More investors selling ATI stock.

Which major investors are buying ATI stock?

During the previous quarter, ATI stock was bought by institutional investors including:
  1. BlackRock Inc.
  2. Bank of America Corp DE
  3. Bank of New York Mellon Corp
  4. Barrow Hanley Mewhinney & Strauss LLC
  5. Freestone Grove Partners LP
  6. Bank of Nova Scotia
  7. Canada Pension Plan Investment Board
  8. Legal & General Group Plc

ATI Active Insiders

Kimberly A Fields
Kimberly A Fields
President and Chief Executive Officer
8 recent trades
Donald P Newman
Donald P Newman (Age 61)
CFO
Robert S Wetherbee
Robert S Wetherbee (Age 67)
Executive Chairman
Karl D Schwartz
Karl D Schwartz (Age 63)
CAO
James C Diggs
Director
David J Morehouse
David J Morehouse
Director
1 recent trades
Tina Killough Busch
Tina Killough Busch
SVP and Chief Human Resources Officer
Elliot S Davis (Age 65)
SVP
Timothy J Harris
Timothy J Harris (Age 50)
VP
3 recent trades
Kevin B. Kramer
Kevin B. Kramer (Age 65)
CMO