ATINYSE

ATI INC

Alert me on ATI

Insider buys, 6 months

Congress trades, 6 months

Signals, 6 months

Six months

After each filing

Sep 23 Sale Harris Timothy J Insider

1 week

+2.8%S&P −0.7%

1 month

−12.1%S&P −0.5%

3 months

Result in41 trading days

6 months

Result in104 trading days

Sep 17 Sale Harris Timothy J Insider

1 week

+1.4%S&P +0.9%

1 month

+1.1%S&P +0.3%

3 months

Result in37 trading days

6 months

Result in100 trading days

Sep 11 Sale Harris Timothy J Insider

1 week

−3.6%S&P −0.1%

1 month

−5.4%S&P +2.1%

3 months

Result in33 trading days

6 months

Result in96 trading days

Sep 5 Sale Morehouse David J Insider

1 week

−10.0%S&P −1.1%

1 month

−8.7%S&P +1.7%

3 months

Result in30 trading days

6 months

Result in93 trading days

Sep 3 Sale Harris Timothy J Insider

1 week

−2.8%S&P −1.1%

1 month

−5.6%S&P +0.5%

3 months

Result in28 trading days

6 months

Result in91 trading days

Show all 25

Aug 26 Sale Harris Timothy J Insider

1 week

−5.2%S&P −0.1%

1 month

−12.9%S&P +0.9%

3 months

Result in22 trading days

6 months

Result in85 trading days

Aug 20 Sale Fields Kimberly A Insider

1 week

+2.5%S&P +1.1%

1 month

−9.6%S&P +1.7%

3 months

Result in18 trading days

6 months

Result in81 trading days

Jul 31 Sale Fields Kimberly A Insider

1 week

+21.6%S&P +3.5%

1 month

+8.9%S&P +2.7%

3 months

Result in4 trading days

6 months

Result in67 trading days

Jul 10 Sale Fields Kimberly A Insider

1 week

−0.5%S&P −1.5%

1 month

+22.0%S&P +2.4%

3 months

+0.6%S&P +2.8%

6 months

Result in52 trading days

Jun 25 Sale Fields Kimberly A Insider

1 week

−5.7%S&P +1.4%

1 month

−3.4%S&P +0.7%

3 months

−6.7%S&P +4.7%

6 months

Result in42 trading days

Jun 5 Sale Fields Kimberly A Insider

1 week

+11.8%S&P +0.6%

1 month

+4.6%S&P +1.3%

3 months

+18.7%S&P +4.7%

6 months

Result in29 trading days

May 13 Sale Fields Kimberly A Insider

1 week

−6.7%S&P −0.1%

1 month

+20.4%S&P −0.1%

3 months

+37.9%S&P +5.1%

6 months

Result in13 trading days

Mar 12 Sale Morehouse David J Insider

1 week

+1.0%S&P −0.9%

1 month

+12.1%S&P +3.3%

3 months

+36.6%S&P +11.1%

6 months

+36.1%S&P +15.4%

Feb 20 Sale WETHERBEE ROBERT S Insider

1 week

+3.0%S&P −0.5%

1 month

−7.9%S&P −4.7%

3 months

+1.0%S&P +8.0%

6 months

+30.3%S&P +11.7%

Dec 20, 2025 Sale WETHERBEE ROBERT S Insider

1 week

+0.4%S&P +0.3%

1 month

+6.7%S&P +0.6%

3 months

+28.7%S&P −3.8%

6 months

+72.3%S&P +7.8%

Nov 26, 2025 Sale Harris Timothy J Insider

1 week

+0.1%S&P +0.7%

1 month

+16.3%S&P +1.5%

3 months

+65.9%S&P +1.3%

6 months

+78.4%S&P +12.2%

Nov 26, 2025 Sale Busch Tina Killough Insider

1 week

+0.1%S&P +0.7%

1 month

+16.3%S&P +1.5%

3 months

+65.9%S&P +1.3%

6 months

+78.4%S&P +12.2%

Nov 21, 2025 Sale Harris Timothy J Insider

1 week

+2.8%S&P +3.2%

1 month

+20.5%S&P +4.7%

3 months

+65.9%S&P +5.5%

6 months

+76.1%S&P +14.5%

Nov 21, 2025 Sale WETHERBEE ROBERT S Insider

1 week

+2.8%S&P +3.2%

1 month

+20.5%S&P +4.7%

3 months

+65.9%S&P +5.5%

6 months

+76.1%S&P +14.5%

Nov 13, 2025 Sale Harris Timothy J Insider

1 week

−3.8%S&P −2.9%

1 month

+10.3%S&P +1.3%

3 months

+48.9%S&P +1.9%

6 months

+51.8%S&P +10.5%

Nov 5, 2025 Sale Harris Timothy J Insider

1 week

+2.7%S&P +0.9%

1 month

+4.1%S&P +1.2%

3 months

+38.4%S&P +2.2%

6 months

+64.2%S&P +9.5%

Oct 17, 2025 Sale Fields Kimberly A Insider

1 week

+11.1%S&P +1.9%

1 month

+22.9%S&P +0.2%

3 months

+53.5%S&P +2.3%

6 months

+97.9%S&P +6.6%

Oct 8, 2025 Sale Fields Kimberly A Insider

1 week

−0.7%S&P −1.2%

1 month

+14.6%S&P −0.4%

3 months

+41.3%S&P +2.7%

6 months

+93.3%S&P +1.5%

Sep 24, 2025 Sale Fields Kimberly A Insider

1 week

+7.8%S&P +1.1%

1 month

+16.3%S&P +1.6%

3 months

+50.9%S&P +4.4%

6 months

+86.9%S&P −1.9%

Sep 11, 2025 Sale Fields Kimberly A Insider

1 week

+5.9%S&P +0.7%

1 month

+5.3%S&P −0.4%

3 months

+37.8%S&P +4.8%

6 months

+86.9%S&P +1.3%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for ATI

90 held · newest 590 held · newest 2

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See all 90 filings for ATI

Aeon news and offers by email

New sources, new features and offers like our founding price. A few times a month at most. Stop any time.

Signal history

No signal for this ticker yet. A signal is written when insider buying here scores one dot or more.

Stakes

Mar 31, 2026 Schedule 13G, amended

Capital World Investors: 4.2%, 5,719,812 shares

Mar 31, 2026 Schedule 13G

Vanguard Capital Management: 5.2%, 7,145,445 shares

Mar 31, 2026 Schedule 13G, amended

Capital International Investors: 4.5%, 6,169,480 shares

Mar 13, 2026 Schedule 13G, amended

The Vanguard Group: 0%, 0 shares

Sep 30, 2025 Schedule 13G

Capital World Investors: 5.7%, 7,909,109 shares

Sep 30, 2025 Schedule 13G, amended

Capital International Investors: 12.8%, 17,638,463 shares

Sep 30, 2025 Schedule 13G, amended

BlackRock, Inc.: 10.1%, 13,891,604 shares

Schedule 13D is filed within 5 business days of crossing 5 percent by an investor who may seek to influence the company. Schedule 13G is filed by a passive holder, and a large institution has up to 45 days after the quarter end.

Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal

No contracts of $10M or more in the last 12 months.

Lobbying

Last four quarters

$60KQ4 2025

$80KQ1 2026

$50KQ2 2026

$80KQ3 2026

Up 60 percent from Q2 2026. Reported by the company to the Senate each quarter.Original report ↗

Read from LDA.gov between Sep 23, 2026 and Oct 20, 2026. Senate Office of Public Records cannot vouch for the data or analyses derived from these data after the data have been retrieved from LDA.gov.