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ATI Insider Trading

Insider Ownership Percentage: 1.10%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $42,656,779.52

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: $127.93
Price Change: ▲ Price Increase of +6.16 (5.06%)
As of 02/3/2026 04:59 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
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  
9/8/2023James C. DiggsDirectorSell2,674$44.90$120,062.6046,591View SEC Filing Icon  
8/10/2023Timothy J. HarrisVPSell12,858$43.57$560,223.0676,992View SEC Filing Icon  
7/10/2023Elliot S. DavisInsiderSell7,039$45.00$316,755.00134,588View SEC Filing Icon  
6/29/2023Elliot S. DavisInsiderSell7,039$42.50$299,157.50141,627View SEC Filing Icon  
6/12/2023Elliot S. DavisInsiderSell7,039$40.00$281,560.00148,666View SEC Filing Icon  
2/8/2023Elliot S. DavisInsiderSell9,627$39.07$376,126.89151,642View 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
2/3/2026Ethic Inc.5,828$0.67M0.0%-16.2%0.004%Search for SEC Filing on Google Icon
2/3/2026Ballentine Partners LLC3,533$0.41M0.0%+5.6%0.003%Search for SEC Filing on Google Icon
2/3/2026Pier Capital LLC29,052$3.33M0.5%N/A0.021%Search for SEC Filing on Google Icon
2/3/2026Crestwood Advisors Group LLC9,612$1.10M0.0%-39.9%0.007%Search for SEC Filing on Google Icon
2/3/2026Sequoia Financial Advisors LLC6,976$0.80M0.0%+57.7%0.005%Search for SEC Filing on Google Icon
2/3/2026Pilgrim Partners Asia Pte Ltd1,460$0.17M0.1%+30.4%0.001%Search for SEC Filing on Google Icon
2/2/2026Truist Financial Corp7,455$0.86M0.0%+3.7%0.005%Search for SEC Filing on Google Icon
2/2/2026Souders Financial Advisors2,413$0.28M0.0%N/A0.002%Search for SEC Filing on Google Icon
2/2/2026Strs Ohio3,227$0.37M0.0%-3.5%0.002%Search for SEC Filing on Google Icon
2/2/2026Horizon Investments LLC55,514$6.37M0.1%N/A0.041%Search for SEC Filing on Google Icon
2/2/2026Oppenheimer Asset Management Inc.10,924$1.25M0.0%-7.5%0.008%Search for SEC Filing on Google Icon
1/30/2026New York State Teachers Retirement System147,969$16.98M0.0%-1.4%0.109%Search for SEC Filing on Google Icon
1/30/2026Activest Wealth Management834$96K0.0%+17.6%0.001%Search for SEC Filing on Google Icon
1/30/2026State of New Jersey Common Pension Fund D46,864$5.38M0.0%-5.3%0.034%Search for SEC Filing on Google Icon
1/30/2026Keybank National Association OH9,115$1.05M0.0%-3.2%0.007%Search for SEC Filing on Google Icon
1/30/2026Torren Management LLC454$52K0.0%N/A0.000%Search for SEC Filing on Google Icon
1/30/2026M&T Bank Corp7,407$0.85M0.0%+170.5%0.005%Search for SEC Filing on Google Icon
1/29/2026Comerica Bank72,427$8.31M0.0%+31.2%0.053%Search for SEC Filing on Google Icon
1/29/2026Howard Wealth Management LLC2,081$0.24M0.1%N/A0.002%Search for SEC Filing on Google Icon
1/29/2026D.A. Davidson & CO.7,202$0.83M0.0%+2.0%0.005%Search for SEC Filing on Google Icon
1/29/2026Pictet Asset Management Holding SA20,752$2.38M0.0%+2.6%0.015%Search for SEC Filing on Google Icon
1/29/2026State of Michigan Retirement System32,100$3.68M0.0%-2.1%0.024%Search for SEC Filing on Google Icon
1/29/2026UBS Group AG1,193,129$136.92M0.0%+143.3%0.878%Search for SEC Filing on Google Icon
1/29/2026Sanctuary Advisors LLC135,265$15.52M0.1%+65.7%0.100%Search for SEC Filing on Google Icon
1/29/2026Vanguard Group Inc.12,726,524$1.46B0.0%-2.5%9.367%Search for SEC Filing on Google Icon
1/29/2026Concurrent Investment Advisors LLC5,510$0.63M0.0%+30.1%0.004%Search for SEC Filing on Google Icon
1/28/2026Arizona State Retirement System38,416$4.41M0.0%-8.0%0.028%Search for SEC Filing on Google Icon
1/28/2026WPG Advisers LLC467$54K0.0%-15.6%0.000%Search for SEC Filing on Google Icon
1/28/2026Teacher Retirement System of Texas20,214$2.32M0.0%-38.8%0.015%Search for SEC Filing on Google Icon
1/28/2026Confluence Wealth Services Inc.5,102$0.59M0.0%-13.8%0.004%Search for SEC Filing on Google Icon
1/28/2026HB Wealth Management LLC3,222$0.37M0.0%N/A0.002%Search for SEC Filing on Google Icon
1/28/2026M&T Bank Corp12,469$1.43M0.0%+355.4%0.009%Search for SEC Filing on Google Icon
1/28/2026Universal Beteiligungs und Servicegesellschaft mbH29,701$3.41M0.0%-7.5%0.022%Search for SEC Filing on Google Icon
1/27/2026Optas LLC1,928$0.22M0.0%N/A0.001%Search for SEC Filing on Google Icon
1/27/2026Evergreen Capital Management LLC10,069$1.16M0.0%+36.3%0.007%Search for SEC Filing on Google Icon
1/27/2026Revisor Wealth Management LLC2,048$0.25M0.1%N/A0.002%Search for SEC Filing on Google Icon
1/27/2026Zurcher Kantonalbank Zurich Cantonalbank 43,912$5.04M0.0%-33.3%0.032%Search for SEC Filing on Google Icon
1/27/2026Krilogy Financial LLC3,472$0.43M0.0%N/A0.003%Search for SEC Filing on Google Icon
1/27/2026Graphene Investments SAS28,400$3.26M2.0%-29.7%0.021%Search for SEC Filing on Google Icon
1/27/2026Bayforest Capital Ltd2,615$0.30M0.2%+288.0%0.002%Search for SEC Filing on Google Icon
1/27/2026Asset Management One Co. Ltd.42,400$4.94M0.0%-6.2%0.031%Search for SEC Filing on Google Icon
1/26/2026Merit Financial Group LLC5,782$0.66M0.0%N/A0.004%Search for SEC Filing on Google Icon
1/26/2026Mirae Asset Global Investments Co. Ltd.5,146$0.59M0.0%-4.0%0.004%Search for SEC Filing on Google Icon
1/26/2026CWM LLC27,312$3.13M0.0%+1,351.2%0.020%Search for SEC Filing on Google Icon
1/23/2026Farther Finance Advisors LLC3,322$0.38M0.0%+70.6%0.002%Search for SEC Filing on Google Icon
1/23/2026State of Alaska Department of Revenue13,496$1.55M0.0%-8.9%0.010%Search for SEC Filing on Google Icon
1/23/2026Northland Securities Inc.2,000$0.23M0.2%N/A0.001%Search for SEC Filing on Google Icon
1/23/2026U.S. Capital Wealth Advisors LLC2,794$0.32M0.0%-19.3%0.002%Search for SEC Filing on Google Icon
1/23/2026Choreo LLC4,296$0.50M0.0%+57.5%0.003%Search for SEC Filing on Google Icon
1/23/2026Successful Portfolios LLC2,000$0.25M0.1%N/A0.001%Search for SEC Filing on Google Icon
1/23/2026Carnegie Investment Counsel5,436$0.62M0.0%-13.7%0.004%Search for SEC Filing on Google Icon
1/22/2026Networth Advisors LLC1,131$0.13M0.1%N/A0.001%Search for SEC Filing on Google Icon
1/21/2026Yousif Capital Management LLC42,516$5.24M0.1%-3.0%0.031%Search for SEC Filing on Google Icon
1/21/2026Hunter Associates Investment Management LLC4,150$0.48M0.1%+13.7%0.003%Search for SEC Filing on Google Icon
1/21/2026Newbridge Financial Services Group Inc.920$0.11M0.0%N/A0.001%Search for SEC Filing on Google Icon
1/20/2026Nvwm LLC15,885$1.82M0.4%-2.4%0.012%Search for SEC Filing on Google Icon
1/20/2026Whalen Wealth Management Inc.3,926$0.45M0.2%N/A0.003%Search for SEC Filing on Google Icon
1/20/2026Sheets Smith Wealth Management4,321$0.50M0.1%N/A0.003%Search for SEC Filing on Google Icon
1/20/2026Toth Financial Advisory Corp2,500$0.29M0.0%N/A0.002%Search for SEC Filing on Google Icon
1/16/2026Perigon Wealth Management LLC2,290$0.26M0.0%N/A0.002%Search for SEC Filing on Google Icon
1/16/2026Tema Etfs LLC78,117$8.97M0.7%+2.8%0.057%Search for SEC Filing on Google Icon
1/15/2026Nilsine Partners LLC11,932$1.37M0.1%N/A0.009%Search for SEC Filing on Google Icon
1/15/2026Nisa Investment Advisors LLC12,102$1.39M0.0%-6.4%0.009%Search for SEC Filing on Google Icon
1/15/2026Allspring Global Investments Holdings LLC603,707$71.96M0.1%-4.7%0.444%Search for SEC Filing on Google Icon
1/15/2026Retirement Systems of Alabama308,783$35.44M0.1%-1.1%0.227%Search for SEC Filing on Google Icon
1/14/2026AA Financial Advisors LLC2,033$0.23M0.0%N/A0.001%Search for SEC Filing on Google Icon
1/14/2026Hennion & Walsh Asset Management Inc.25,214$2.89M0.1%+65.8%0.019%Search for SEC Filing on Google Icon
1/14/2026Waldron Private Wealth LLC9,903$1.14M0.0%+4.2%0.007%Search for SEC Filing on Google Icon
1/14/2026Exchange Traded Concepts LLC3,296$0.38M0.0%N/A0.002%Search for SEC Filing on Google Icon
1/13/2026Mayflower Financial Advisors LLC4,975$0.57M0.1%+24.7%0.004%Search for SEC Filing on Google Icon
1/9/2026SG Americas Securities LLC68,417$7.85M0.0%+1,062.0%0.050%Search for SEC Filing on Google Icon
1/9/2026Assenagon Asset Management S.A.25,818$2.96M0.0%-61.8%0.019%Search for SEC Filing on Google Icon
1/8/2026True Wealth Design LLC260$30K0.0%+642.9%0.000%Search for SEC Filing on Google Icon
1/8/2026Wealth Enhancement Advisory Services LLC25,648$3.10M0.0%+53.5%0.019%Search for SEC Filing on Google Icon
1/8/2026NorthCrest Asset Manangement LLC3,240$0.39M0.0%N/A0.002%Search for SEC Filing on Google Icon
1/8/2026Wedmont Private Capital1,877$0.23M0.0%N/A0.001%Search for SEC Filing on Google Icon
1/8/2026Nordea Investment Management AB52,700$6.11M0.0%N/A0.039%Search for SEC Filing on Google Icon
1/7/2026Covea Finance49,400$5.67M0.2%-10.7%0.036%Search for SEC Filing on Google Icon
1/7/2026Central Pacific Bank Trust Division6,503$0.75M0.1%-2.0%0.005%Search for SEC Filing on Google Icon
1/5/2026GAMMA Investing LLC3,377$0.39M0.0%+21.5%0.002%Search for SEC Filing on Google Icon
12/15/2025Hudson Bay Capital Management LP154,784$12.59M0.0%-25.2%0.114%Search for SEC Filing on Google Icon
12/2/2025Allworth Financial LP534$43K0.0%+50.8%0.000%Search for SEC Filing on Google Icon
12/2/2025Swiss Life Asset Management Ltd6,439$0.52M0.0%+76.4%0.005%Search for SEC Filing on Google Icon
11/19/2025Coldstream Capital Management Inc.4,120$0.34M0.0%N/A0.003%Search for SEC Filing on Google Icon
11/19/2025Danske Bank A S1,500$0.12M0.0%N/A0.001%Search for SEC Filing on Google Icon
11/17/2025Keystone Financial Group2,700$0.22M0.0%-5.3%0.002%Search for SEC Filing on Google Icon
11/17/2025Kestra Private Wealth Services LLC9,709$0.79M0.0%+81.0%0.007%Search for SEC Filing on Google Icon
11/17/2025CANADA LIFE ASSURANCE Co105,554$8.36M0.0%+31.5%0.078%Search for SEC Filing on Google Icon
11/17/2025Woodline Partners LP747,127$60.77M0.3%-10.9%0.550%Search for SEC Filing on Google Icon
11/17/2025American Trust5,400$0.44M0.0%-18.6%0.004%Search for SEC Filing on Google Icon
11/17/2025Voloridge Investment Management LLC580,467$47.22M0.2%-29.4%0.427%Search for SEC Filing on Google Icon
11/17/2025Verition Fund Management LLC45,499$3.70M0.0%+14.1%0.033%Search for SEC Filing on Google Icon
11/17/2025State Street Corp6,042,244$491.48M0.0%+7.4%4.447%Search for SEC Filing on Google Icon
11/17/2025Susquehanna Fundamental Investments LLC72,711$5.91M0.2%N/A0.054%Search for SEC Filing on Google Icon
11/17/2025Sapience Investments LLC8,290$0.67M2.6%-75.6%0.006%Search for SEC Filing on Google Icon
11/17/2025Polymer Capital Management US LLC2,646$0.22M0.0%N/A0.002%Search for SEC Filing on Google Icon
11/17/2025Quarry LP472$38K0.0%-74.8%0.000%Search for SEC Filing on Google Icon
11/17/2025Prelude Capital Management LLC2,689$0.22M0.0%N/A0.002%Search for SEC Filing on Google Icon
11/17/2025Public Employees Retirement System of Ohio44,552$3.62M0.0%+0.8%0.033%Search for SEC Filing on Google Icon
11/17/2025Nomura Holdings Inc.14,452$1.18M0.0%N/A0.011%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: $127.93
Low: $122.60
High: $137.00

50 Day Range

MA: $114.72
Low: $98.66
High: $127.93

52 Week Range

Now: $127.93
Low: $39.23
High: $137.00

Volume

5,325,452 shs

Average Volume

1,483,311 shs

Market Capitalization

$17.38 billion

P/E Ratio

41.40

Dividend Yield

N/A

Beta

1.02

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

ATI's top insider investors include:
  1. Robert S Wetherbee (Chairman)
  2. Kimberly A Fields (CEO)
  3. Timothy J Harris (VP)
  4. David J Morehouse (Director)
  5. Tina Killough Busch (SVP)
Learn More about top insider investors at ATI.

Who are the major institutional investors of ATI?

ATI's top institutional investors include:
  1. Vanguard Group Inc. — 9.37%
  2. UBS Group AG — 0.88%
  3. Allspring Global Investments Holdings LLC — 0.44%
  4. Retirement Systems of Alabama — 0.23%
  5. New York State Teachers Retirement System — 0.11%
  6. Sanctuary Advisors LLC — 0.10%
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. Vanguard Group Inc.
  2. IMC Chicago LLC
  3. Assenagon Asset Management S.A.
  4. Allspring Global Investments Holdings LLC
  5. Zurcher Kantonalbank Zurich Cantonalbank
  6. Teacher Retirement System of Texas
  7. Graphene Investments SAS
  8. Covea Finance
In the previous year, company insiders that have sold ATI company stock include:
  1. Robert S Wetherbee (Chairman)
  2. Kimberly A Fields (CEO)
  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. UBS Group AG
  2. SG Americas Securities LLC
  3. Horizon Investments LLC
  4. Sanctuary Advisors LLC
  5. Nordea Investment Management AB
  6. CWM LLC
  7. Comerica Bank
  8. Nilsine Partners LLC