ATI Inc. (ATI) Insider Trading

Over the last 3 months, ATI insiders made 0 open-market buys and 15 sales, a net sale of -$18.1M (SEC Form 4). Over the last 6 months, 456 institutions increased and 379 reduced their position (13F).

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
15
Net (3m)
-$18.1M
Insider trades by month Buys Sells
Nov
Dec
Feb
Mar
May
Jun
Context3-month price +17.5%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
Jun 4, 2026Fields Kimberly Adirector, officer: Chair, President and CEOSell3,001$182.75
Jun 4, 2026Fields Kimberly Adirector, officer: Chair, President and CEOSell13,865$179.05
Jun 4, 2026Fields Kimberly Adirector, officer: Chair, President and CEOSell13,164$179.71
Jun 4, 2026Fields Kimberly Adirector, officer: Chair, President and CEOSell2,000$181.90
Jun 4, 2026Fields Kimberly Adirector, officer: Chair, President and CEOSell1,896$180.80
Jun 4, 2026Fields Kimberly Adirector, officer: Chair, President and CEOSell25,823$177.97
May 21, 2026BALL M LEROYdirectorGrant905—
May 21, 2026Kah MariannedirectorGrant905—
May 21, 2026Sharma RubydirectorGrant905—
May 21, 2026Lydon-Rodgers JeandirectorGrant905—
May 21, 2026Morehouse David JdirectorGrant1,743—
May 21, 2026Corvi CarolyndirectorGrant905—
May 21, 2026Hess David PdirectorGrant905—
May 21, 2026Lund Elizabeth HefleydirectorGrant905—
May 21, 2026Carlisle Herbert JdirectorGrant905—
May 12, 2026Fields Kimberly Adirector, officer: President, CEO and DirectorSell6,420$158.38
May 12, 2026Fields Kimberly Adirector, officer: President, CEO and DirectorSell11,982$160.60
May 12, 2026Fields Kimberly Adirector, officer: President, CEO and DirectorSell5,568$156.29
May 12, 2026Fields Kimberly Adirector, officer: President, CEO and DirectorSell8,780$161.12
May 12, 2026Fields Kimberly Adirector, officer: President, CEO and DirectorSell2,600$159.38
May 12, 2026Fields Kimberly Adirector, officer: President, CEO and DirectorSell1,300$154.02
May 12, 2026Fields Kimberly Adirector, officer: President, CEO and DirectorSell3,350$157.51
Mar 24, 2026Bhatia Vaishali S.officer: SVP, General Counsel and CCOTax3,509$143.95
Mar 11, 2026Morehouse David JdirectorSell1,285$153.11
Mar 11, 2026Morehouse David JdirectorSell5,324$154.53
Mar 3, 2026Miller Michael Benjaminofficer: VP Chief Accounting OfficerTax413$164.00
Feb 19, 2026WETHERBEE ROBERT Sdirector, officer: Executive ChairmanSell8,403$145.17
Feb 19, 2026WETHERBEE ROBERT Sdirector, officer: Executive ChairmanSell10,438$146.67
Feb 19, 2026WETHERBEE ROBERT Sdirector, officer: Executive ChairmanSell12,435$144.01
Feb 19, 2026WETHERBEE ROBERT Sdirector, officer: Executive ChairmanSell28,724$146.07

Source: ATI SEC Form 4 filings, latest Jun 4, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their ATI positions over the last 6 months (SEC Form 13F).

Increased
456
New positions
270
Reduced
379
Sold out
89
Largest moves
InstitutionActionSharesFiled
CAPITAL INTERNATIONAL INVESTORSReduced17.1MFeb 11, 2026
BLACKROCK, INC.Increased16.4MMay 13, 2026
BLACKROCK, INC.Reduced14.7MFeb 12, 2026
VANGUARD GROUP INCReduced12.7MJan 29, 2026
CAPITAL WORLD INVESTORSReduced7.4MFeb 11, 2026
CAPITAL RESEARCH GLOBAL INVESTORSIncreased6.2MMay 13, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position6.1MMay 15, 2026
CAPITAL INTERNATIONAL INVESTORSReduced5.9MMay 13, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position5.8MMay 8, 2026
CAPITAL WORLD INVESTORSReduced5.7MMay 13, 2026
STATE STREET CORPReduced5.6MFeb 13, 2026
STATE STREET CORPReduced5.4MMay 15, 2026
FMR LLCIncreased5.2MMay 15, 2026
FMR LLCIncreased5.1MFeb 17, 2026
INVESCO LTD.Increased3.9MMay 12, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.

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