InsiderStonks
Sign Up Free
ATI

ATI INC

Steel Pipe & TubesNYSELarge accelerated filer

Total Trades

35

Buys

0

Sells

35

Largest Trade

$1M+

Insiders

9

Institutional Funds

473

Inst. Value

$1M+

Activist Filings

29

Insider Trades

InsiderTitleTypeValueSharesPriceDate
WETHERBEE ROBERT SExecutive ChairmanSELL$1M+60K$109.57Dec 20, 2025
Harris Timothy JSenior VP and CDIOSELL$1M+11K$97.88Nov 26, 2025
Busch Tina KilloughSVP, CHROSELL$100K–$500K3K$93.26Nov 26, 2025
WETHERBEE ROBERT SExecutive ChairmanSELL$1M+60K$98.34Nov 21, 2025
Harris Timothy JSenior VP and CDIOSELL$1M+11K$97.77Nov 21, 2025
Harris Timothy JSenior VP and CDIOSELL$1M+11K$97.69Nov 13, 2025
Harris Timothy JSenior VP and CDIOSELL$1M+11K$96.07Nov 5, 2025
Fields Kimberly APresidentSELL$1M+20K$80.33Sep 23, 2025
Fields Kimberly APresident & CEOSELL$1M+16K$77.52Sep 11, 2025
WETHERBEE ROBERT SExecutive ChairmanSELL$1M+50K$83.93Jun 16, 2025
WETHERBEE ROBERT SExecutive ChairmanSELL$1M+50K$81.64Jun 5, 2025
WETHERBEE ROBERT SExecutive ChairmanSELL$1M+50K$75.38May 22, 2025
WETHERBEE ROBERT SExecutive ChairmanSELL$1M+50K$68.18May 8, 2025
Morehouse David JDirectorSELL$500K+17K$52.03Apr 3, 2025
WETHERBEE ROBERT SExecutive ChairmanSELL$1M+25K$56.35Nov 18, 2024
WETHERBEE ROBERT SExecutive ChairmanSELL$1M+25K$62.23Oct 16, 2024
Davis Elliot SChief Legal & Comp…SELL$1M+45K$49.12Mar 4, 2024
Harris Timothy JSenior VP and CDIOSELL$500K+13K$42.16Feb 15, 2024
DIGGS JAMES CDirectorSELL$100K–$500K3K$44.90Sep 12, 2023
Harris Timothy JSenior VP and CDIOSELL$500K+13K$43.57Aug 11, 2023
Davis Elliot SChief Legal & Comp…SELL$100K–$500K7K$45.00Jul 12, 2023
Davis Elliot SChief Legal & Comp…SELL$100K–$500K7K$42.50Jul 3, 2023
Davis Elliot SChief Legal & Comp…SELL$100K–$500K7K$40.00Jun 14, 2023
Davis Elliot SChief Legal & Comp…SELL$100K–$500K10K$39.07Feb 10, 2023
Davis Elliot SChief Legal & Comp…SELL$500K+29K$30.68Dec 8, 2022
WETHERBEE ROBERT SBoard ChairSELL$100K–$500K15K$30.23Nov 3, 2022
WETHERBEE ROBERT SBoard ChairSELL$100K–$500K15K$27.13Oct 5, 2022
Schwartz Karl DVP, Controller & CAOSELL$15K–$50K1K$31.32Sep 14, 2022
WETHERBEE ROBERT SBoard ChairSELL$100K–$500K15K$29.09Sep 2, 2022
Schwartz Karl DVP, Controller & CAOSELL$15K–$50K1K$31.22Aug 15, 2022
Schwartz Karl DVP, Controller & CAOSELL$50K–$100K2K$25.00Aug 1, 2022
DIGGS JAMES CDirectorSELL$100K–$500K13K$24.00Jul 21, 2022
Schwartz Karl DVP, Controller & CAOSELL$15K–$50K1K$25.96May 18, 2022
Kramer Kevin BSr. VP, CCMOSELL$100K–$500K10K$30.00Apr 18, 2022
Kramer Kevin BSr. VP, CCMOSELL$100K–$500K10K$27.00Mar 9, 2022
🔓Seeing ranges? Sign in for exact trade values — free forever

Institutional Ownership

13F filings as of Dec 31, 2025 · 473 funds holding

FundShares
Capital International Investors17.1M
Capital World Investors7.4M
STATE STREET CORP5.6M
Capital Research Global Investors3.6M
DIMENSIONAL FUND ADVISORS LP2.0M
GEODE CAPITAL MANAGEMENT, LLC1.9M
NORGES BANK1.7M
AMERICAN CENTURY COMPANIES INC1.6M
CHARLES SCHWAB INVESTMENT MANAGEMENT INC1.5M
BOWEN HANES & CO INC1.2M
Fisher Asset Management, LLC908K
Neuberger Berman Group LLC815K
PRUDENTIAL FINANCIAL INC795K
Point72 Asset Management, L.P.760K
LOOMIS SAYLES & CO L P692K
Jain Global LLC665K
BARROW HANLEY MEWHINNEY & STRAUSS LLC528K
SCHRODER INVESTMENT MANAGEMENT GROUP450K
BNP PARIBAS FINANCIAL MARKETS393K
GAMCO INVESTORS, INC. ET AL383K

Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

Capital World Investors

SC 13G · Nov 14, 2025

5.7%

7.9M shares

Capital International Investors

SC 13G/A · Nov 13, 2025

12.8%

17.6M shares

BlackRock, Inc.

SC 13G/A · Oct 3, 2025

10.1%

13.9M shares

BlackRock, Inc.

SC 13G/A · Jul 17, 2025

9.9%

13.9M shares

FMR LLC

SC 13G/A · May 12, 2025

3.5%

4.9M shares

The Vanguard Group

SC 13G/A · Apr 30, 2025

9.8%

13.9M shares

BlackRock, Inc.

SC 13G/A · Apr 17, 2025

8.7%

12.3M shares

Capital International Investors

SC 13G/A · Feb 14, 2025

11.8%

16.8M shares

FMR LLC

SC 13G/A · Feb 12, 2025

5.1%

7.3M shares

FMR LLC

SC 13G · Nov 12, 2024

8.0%

10.0M shares

BlackRock, Inc.

SC 13G/A · Nov 8, 2024

12.8%

15.9M shares

BlackRock, Inc.

SC 13G/A · Oct 23, 2024

12.8%

15.9M shares

STATE STREET CORPORATION 04-2456637

SC 13G/A · Oct 17, 2024

4.4%

5.4M shares

AllianceBernstein L.P. 13-4064930

SC 13G/A · Feb 14, 2024

2.5%

3.2M shares

AllianceBernstein L.P. 13-4064930

SC 13G/A · Feb 14, 2024

2.5%

3.2M shares

The Vanguard Group - 23-1945930

SC 13G/A · Feb 13, 2024

11.1%

14.2M shares

Capital International Investors 95-1411037

SC 13G/A · Feb 9, 2024

13.0%

16.5M shares

STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637

SC 13G/A · Jan 25, 2024

5.3%

0 shares

BlackRock, Inc.

SC 13G/A · Jan 22, 2024

15.9%

20.2M shares

AllianceBernstein L.P. 13-4064930

SC 13G · Feb 13, 2023

5.4%

7.0M shares

Capital International Investors 95-1411037

SC 13G/A · Feb 13, 2023

12.6%

16.3M shares

AllianceBernstein L.P. 13-4064930

SC 13G · Feb 13, 2023

5.4%

7.0M shares

STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637

SC 13G/A · Feb 1, 2023

5.4%

0 shares

BlackRock, Inc.

SC 13G/A · Jan 26, 2023

16.1%

20.9M shares

BlackRock, Inc.

SC 13G · Jan 20, 2023

16.1%

20.9M shares

Capital International Investors 95-1411037

SC 13G/A · Feb 11, 2022

12.2%

15.6M shares

STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637

SC 13G/A · Feb 10, 2022

6.8%

0 shares

BlackRock, Inc.

SC 13G/A · Jan 27, 2022

16.4%

20.9M shares

BlackRock, Inc.

SC 13G/A · Jan 25, 2022

16.4%

20.9M shares

View on Google Finance →