ATI
ATI Inc.$187.46-0.75 (-0.40%)Prev Close$188.15·MCap$27.13B·P/E62.07·Vol1.17M·Yield0.00%
▲
Buys (12M)
0
$0.00
▼
Sells (12M)
29
$121.07M
◆
Net Activity
Net Seller
$121.07M
●
Active Insiders
8
last 12 mo
Over the past 12 months, insider activity at ATI Inc. (ATI) has been exclusively selling, with 0 insider purchases totaling $0.00 and 29 insider sales totaling $121.07M. The most recent insider transaction was by Harris Timothy J (officer: Senior VP and CDIO), who sold $3.42M worth of shares on Sep 10, 2026. ATI Inc. operates in the Industrials sector, within the Manufacturing - Metal Fabrication industry, with a market cap of $27.13B.
ATI Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Sep 10, 2026 | Harris Timothy J | officer: Senior VP and CDIO | Sell | 16,500 | $207.54 | $3.42M | 113,687 |
| Sep 4, 2026 | Morehouse David J | director | Sell | 2,485 | $201.61 | $501.0K | 35,826 |
| Sep 2, 2026 | Harris Timothy J | officer: Senior VP and CDIO | Sell | 16,500 | $210.01 | $3.47M | 130,187 |
| Aug 26, 2026 | Harris Timothy J | officer: Senior VP and CDIO | Sell | 16,500 | $206.92 | $3.41M | 146,687 |
| Aug 19, 2026 | Fields Kimberly A | director, officer: Chair, President and CEO | Sell | 24,845 | $231.19 | $5.74M | 124,564 |
| Jul 30, 2026 | Fields Kimberly A | director, officer: Chair, President and CEO | Sell | 31,757 | $190.99 | $6.07M | 125,564 |
| Jul 9, 2026 | Fields Kimberly A | director, officer: Chair, President and CEO | Sell | 37,800 | $183.11 | $6.92M | 193,321 |
| Jun 24, 2026 | Fields Kimberly A | director, officer: Chair, President and CEO | Sell | 20,693 | $200.64 | $4.15M | 204,745 |
| Jun 4, 2026 | Fields Kimberly A | director, officer: Chair, President and CEO | Sell | 59,749 | $179.07 | $10.70M | 251,940 |
| May 12, 2026 | Fields Kimberly A | director, officer: President, CEO and Director | Sell | 40,000 | $159.21 | $6.37M | 316,463 |
| Mar 11, 2026 | Morehouse David J | director | Sell | 6,609 | $154.25 | $1.02M | 43,492 |
| Feb 17, 2026 | WETHERBEE ROBERT S | Executive Chairman | Sell | 60,000 | $145.62 | $8.74M | 0 |
| Jan 5, 2026 | Bhatia Vaishali S. | SVP, General Counsel and CCO | Sell | 1,944 | $121.08 | $235.4K | 0 |
| Jan 5, 2026 | Fields Kimberly A | President, CEO and Director | Sell | 78,251 | $121.08 | $9.47M | 0 |
| Jan 5, 2026 | Foster James Robert | SVP, Finance and CFO | Sell | 23,544 | $121.08 | $2.85M | 0 |
| Jan 5, 2026 | Harris Timothy J | Senior VP and CDIO | Sell | 54,560 | $121.08 | $6.61M | 0 |
| Jan 5, 2026 | Miller Michael Benjamin | VP Chief Accounting Officer | Sell | 374 | $121.08 | $45.3K | 0 |
| Jan 5, 2026 | WETHERBEE ROBERT S | Executive Chairman | Sell | 158,297 | $121.08 | $19.17M | 0 |
| Dec 2, 2025 | WETHERBEE ROBERT S | Executive Chairman | Sell | 60,020 | $109.57 | $6.58M | 0 |
| Nov 25, 2025 | Harris Timothy J | Senior VP and CDIO | Sell | 10,542 | $97.88 | $1.03M | 0 |
| Nov 21, 2025 | Busch Tina Killough | SVP, CHRO | Sell | 2,598 | $93.26 | $242.3K | 0 |
| Nov 18, 2025 | Harris Timothy J | Senior VP and CDIO | Sell | 10,542 | $97.77 | $1.03M | 0 |
| Nov 18, 2025 | WETHERBEE ROBERT S | Executive Chairman | Sell | 60,000 | $98.34 | $5.90M | 0 |
| Nov 11, 2025 | Harris Timothy J | Senior VP and CDIO | Sell | 10,543 | $97.69 | $1.03M | 0 |
| Nov 4, 2025 | Harris Timothy J | Senior VP and CDIO | Sell | 10,543 | $96.07 | $1.01M | 0 |
| Oct 15, 2025 | Fields Kimberly A | President, CEO and Director | Sell | 21,153 | $85.87 | $1.82M | 0 |
| Oct 10, 2025 | Busch Tina Killough | SVP, CHRO | Sell | 2,122 | $81.21 | $172.3K | 0 |
| Oct 6, 2025 | Fields Kimberly A | President, CEO and Director | Sell | 21,154 | $82.03 | $1.74M | 0 |
| Sep 22, 2025 | Fields Kimberly A | President, CEO and Director | Sell | 20,312 | $80.33 | $1.63M | 0 |
| Sep 9, 2025 | Fields Kimberly A | President & CEO | Sell | 15,941 | $77.52 | $1.24M | 0 |
| Aug 5, 2025 | WETHERBEE ROBERT S | Executive Chairman | Sell | 50,000 | $74.66 | $3.73M | 0 |
| Aug 4, 2025 | Morehouse David J | Director | Sell | 7,900 | $75.81 | $598.9K | 0 |
| Jun 12, 2025 | WETHERBEE ROBERT S | Executive Chairman | Sell | 50,000 | $83.93 | $4.20M | 0 |
| Jun 3, 2025 | WETHERBEE ROBERT S | Executive Chairman | Sell | 50,000 | $81.64 | $4.08M | 0 |
| May 20, 2025 | WETHERBEE ROBERT S | Executive Chairman | Sell | 50,000 | $75.37 | $3.77M | 0 |
| May 6, 2025 | WETHERBEE ROBERT S | Executive Chairman | Sell | 50,000 | $68.18 | $3.41M | 0 |
| Apr 1, 2025 | Morehouse David J | Director | Sell | 17,000 | $52.03 | $884.5K | 0 |
| Mar 20, 2025 | Bhatia Vaishali S. | SVP, General Counsel and CCO | Sell | 3,509 | $52.19 | $183.1K | 0 |
| Mar 3, 2025 | Miller Michael Benjamin | VP Chief Accounting Officer | Sell | 413 | $59.09 | $24.4K | 0 |
| Feb 6, 2025 | Busch Tina Killough | SVP, CHRO | Sell | 9,900 | $66.41 | $657.5K | 0 |
| Jan 3, 2025 | Bhatia Vaishali S. | SVP, General Counsel and CCO | Sell | 855 | $55.81 | $47.7K | 0 |
| Jan 3, 2025 | Busch Tina Killough | SVP, CHRO | Sell | 11,463 | $56.50 | $647.7K | 0 |
| Jan 3, 2025 | Fields Kimberly A | President & CEO | Sell | 56,432 | $56.56 | $3.19M | 0 |
| Jan 3, 2025 | Harris Timothy J | Senior VP and CDIO | Sell | 35,488 | $56.57 | $2.01M | 0 |
| Jan 3, 2025 | Miller Michael Benjamin | VP Chief Accounting Officer | Sell | 166 | $55.81 | $9.3K | 0 |
| Jan 3, 2025 | NEWMAN DONALD P | EVP and CFO | Sell | 44,736 | $56.57 | $2.53M | 0 |
| Jan 3, 2025 | WETHERBEE ROBERT S | Executive Chairman | Sell | 134,551 | $56.57 | $7.61M | 0 |
| Jan 3, 2025 | Williams Jimmy Jr. | SVP, CTO | Sell | 1,480 | $55.81 | $82.6K | 0 |
| Dec 4, 2024 | Busch Tina Killough | SVP, CHRO | Sell | 2,598 | $60.01 | $155.9K | 0 |
| Dec 4, 2024 | WETHERBEE ROBERT S | Executive Chairman | Sell | 25,000 | $58.99 | $1.47M | 0 |
Showing 1–50 of 149
1 / 3
ATI Insider Buying Activity
The following table shows recent insider purchases of ATI Inc. (ATI) stock reported via SEC Form 4 filings.
No insider buying activity found for ATI in the last 12 months.
ATI Insider Selling Activity
The following table shows recent insider sales of ATI Inc. (ATI) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Sep 10, 2026 | Harris Timothy J | officer: Senior VP and CDIO | Sell | 16,500 | $207.54 | $3.42M | 113,687 |
| Sep 4, 2026 | Morehouse David J | director | Sell | 2,485 | $201.61 | $501.0K | 35,826 |
| Sep 2, 2026 | Harris Timothy J | officer: Senior VP and CDIO | Sell | 16,500 | $210.01 | $3.47M | 130,187 |
| Aug 26, 2026 | Harris Timothy J | officer: Senior VP and CDIO | Sell | 16,500 | $206.92 | $3.41M | 146,687 |
| Aug 19, 2026 | Fields Kimberly A | director, officer: Chair, President and CEO | Sell | 24,845 | $231.19 | $5.74M | 124,564 |
| Jul 30, 2026 | Fields Kimberly A | director, officer: Chair, President and CEO | Sell | 31,757 | $190.99 | $6.07M | 125,564 |
| Jul 9, 2026 | Fields Kimberly A | director, officer: Chair, President and CEO | Sell | 37,800 | $183.11 | $6.92M | 193,321 |
| Jun 24, 2026 | Fields Kimberly A | director, officer: Chair, President and CEO | Sell | 20,693 | $200.64 | $4.15M | 204,745 |
| Jun 4, 2026 | Fields Kimberly A | director, officer: Chair, President and CEO | Sell | 59,749 | $179.07 | $10.70M | 251,940 |
| May 12, 2026 | Fields Kimberly A | director, officer: President, CEO and Director | Sell | 40,000 | $159.21 | $6.37M | 316,463 |
| Mar 11, 2026 | Morehouse David J | director | Sell | 6,609 | $154.25 | $1.02M | 43,492 |
| Feb 17, 2026 | WETHERBEE ROBERT S | Executive Chairman | Sell | 60,000 | $145.62 | $8.74M | 0 |
| Jan 5, 2026 | Bhatia Vaishali S. | SVP, General Counsel and CCO | Sell | 1,944 | $121.08 | $235.4K | 0 |
| Jan 5, 2026 | Fields Kimberly A | President, CEO and Director | Sell | 78,251 | $121.08 | $9.47M | 0 |
| Jan 5, 2026 | Foster James Robert | SVP, Finance and CFO | Sell | 23,544 | $121.08 | $2.85M | 0 |
| Jan 5, 2026 | Harris Timothy J | Senior VP and CDIO | Sell | 54,560 | $121.08 | $6.61M | 0 |
| Jan 5, 2026 | Miller Michael Benjamin | VP Chief Accounting Officer | Sell | 374 | $121.08 | $45.3K | 0 |
| Jan 5, 2026 | WETHERBEE ROBERT S | Executive Chairman | Sell | 158,297 | $121.08 | $19.17M | 0 |
| Dec 2, 2025 | WETHERBEE ROBERT S | Executive Chairman | Sell | 60,020 | $109.57 | $6.58M | 0 |
| Nov 25, 2025 | Harris Timothy J | Senior VP and CDIO | Sell | 10,542 | $97.88 | $1.03M | 0 |
| Nov 21, 2025 | Busch Tina Killough | SVP, CHRO | Sell | 2,598 | $93.26 | $242.3K | 0 |
| Nov 18, 2025 | Harris Timothy J | Senior VP and CDIO | Sell | 10,542 | $97.77 | $1.03M | 0 |
| Nov 18, 2025 | WETHERBEE ROBERT S | Executive Chairman | Sell | 60,000 | $98.34 | $5.90M | 0 |
| Nov 11, 2025 | Harris Timothy J | Senior VP and CDIO | Sell | 10,543 | $97.69 | $1.03M | 0 |
| Nov 4, 2025 | Harris Timothy J | Senior VP and CDIO | Sell | 10,543 | $96.07 | $1.01M | 0 |
| Oct 15, 2025 | Fields Kimberly A | President, CEO and Director | Sell | 21,153 | $85.87 | $1.82M | 0 |
| Oct 10, 2025 | Busch Tina Killough | SVP, CHRO | Sell | 2,122 | $81.21 | $172.3K | 0 |
| Oct 6, 2025 | Fields Kimberly A | President, CEO and Director | Sell | 21,154 | $82.03 | $1.74M | 0 |
| Sep 22, 2025 | Fields Kimberly A | President, CEO and Director | Sell | 20,312 | $80.33 | $1.63M | 0 |
| Sep 9, 2025 | Fields Kimberly A | President & CEO | Sell | 15,941 | $77.52 | $1.24M | 0 |
| Aug 5, 2025 | WETHERBEE ROBERT S | Executive Chairman | Sell | 50,000 | $74.66 | $3.73M | 0 |
| Aug 4, 2025 | Morehouse David J | Director | Sell | 7,900 | $75.81 | $598.9K | 0 |
| Jun 12, 2025 | WETHERBEE ROBERT S | Executive Chairman | Sell | 50,000 | $83.93 | $4.20M | 0 |
| Jun 3, 2025 | WETHERBEE ROBERT S | Executive Chairman | Sell | 50,000 | $81.64 | $4.08M | 0 |
| May 20, 2025 | WETHERBEE ROBERT S | Executive Chairman | Sell | 50,000 | $75.37 | $3.77M | 0 |
| May 6, 2025 | WETHERBEE ROBERT S | Executive Chairman | Sell | 50,000 | $68.18 | $3.41M | 0 |
| Apr 1, 2025 | Morehouse David J | Director | Sell | 17,000 | $52.03 | $884.5K | 0 |
| Mar 20, 2025 | Bhatia Vaishali S. | SVP, General Counsel and CCO | Sell | 3,509 | $52.19 | $183.1K | 0 |
| Mar 3, 2025 | Miller Michael Benjamin | VP Chief Accounting Officer | Sell | 413 | $59.09 | $24.4K | 0 |
| Feb 6, 2025 | Busch Tina Killough | SVP, CHRO | Sell | 9,900 | $66.41 | $657.5K | 0 |
| Jan 3, 2025 | Bhatia Vaishali S. | SVP, General Counsel and CCO | Sell | 855 | $55.81 | $47.7K | 0 |
| Jan 3, 2025 | Busch Tina Killough | SVP, CHRO | Sell | 11,463 | $56.50 | $647.7K | 0 |
| Jan 3, 2025 | Fields Kimberly A | President & CEO | Sell | 56,432 | $56.56 | $3.19M | 0 |
| Jan 3, 2025 | Harris Timothy J | Senior VP and CDIO | Sell | 35,488 | $56.57 | $2.01M | 0 |
| Jan 3, 2025 | Miller Michael Benjamin | VP Chief Accounting Officer | Sell | 166 | $55.81 | $9.3K | 0 |
| Jan 3, 2025 | NEWMAN DONALD P | EVP and CFO | Sell | 44,736 | $56.57 | $2.53M | 0 |
| Jan 3, 2025 | WETHERBEE ROBERT S | Executive Chairman | Sell | 134,551 | $56.57 | $7.61M | 0 |
| Jan 3, 2025 | Williams Jimmy Jr. | SVP, CTO | Sell | 1,480 | $55.81 | $82.6K | 0 |
| Dec 4, 2024 | Busch Tina Killough | SVP, CHRO | Sell | 2,598 | $60.01 | $155.9K | 0 |
| Dec 4, 2024 | WETHERBEE ROBERT S | Executive Chairman | Sell | 25,000 | $58.99 | $1.47M | 0 |
ATI Insiders
Similar Stocks to ATI
MLI
Mueller Industries, Inc.
$60.32+0.52%
$13.38B
RYZ
Ryerson Holding Corporation
$24.21+1.08%
$1.03B
IIIN
Insteel Industries, Inc.
$29.87+0.50%
$589.5M
MEC
Mayville Engineering Company, Inc.
$17.12-5.36%
$397.3M
TG
Tredegar Corporation
$6.84+1.79%
$289.1M
AP
Ampco-Pittsburgh Corporation
$7.78-0.38%
$185.0M
LNKS
Linkers Industries Limited
$0.97-5.83%
$91,895