NYSE · CIK 0001018963
ATI ATI INC
Insider trading from SEC Form 4. Last filing 19 d ago. Close $191.84 on Oct 9, 2026, +140% from the 52-week low and -17% from the high.
Last 90 days
Net insider value
-$12M
more sold than bought
Buys
0
$0 by 0 insiders
Sells
5
$12M by 2 insiders
Insiders on file
18
with a Form 4 at this company
Price and insider trades, last year
ATIOct 9, 2026 · close 191.84
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at ATI INC, scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 20Weak | Timothy J Harris Senior VP and CDIO sell | $1.7M 9,000 shares | -9% | +146% from low-18% from high | |
| 33Weak | Timothy J Harris Senior VP and CDIO sell | $3.2M 16,500 shares | -15% | +144% from low-19% from high | |
| 33Weak | Timothy J Harris Senior VP and CDIO sell | $3.4M 16,500 shares | -13% | +177% from low-11% from high | |
| 41Moderate | David J Morehouse director sell | $501k 2,485 shares | -6% | +169% from low-13% from high | |
| 33Weak | Timothy J Harris Senior VP and CDIO sell | $3.5M 16,500 shares | -11% | +173% from low-12% from high | |
| 35Weak | Robert S Wetherbee Executive Chairman sell | $6.6M 60,020 shares | -32% | +162% from low-1% from high | |
| 48Moderate | Tina Killough Busch SVP, CHRO sell | $242k 2,598 shares | -11% | +130% from low-6% from high | |
| 35Weak | Timothy J Harris Senior VP and CDIO sell | $1.0M 10,542 shares | -10% | +137% from low-4% from high | |
| 35Weak | Timothy J Harris Senior VP and CDIO sell | $1.0M 10,542 shares | -9% | +134% from low-5% from high | |
| 45Moderate | Robert S Wetherbee Executive Chairman sell | $5.9M 60,000 shares | -20% | +134% from low-5% from high | |
| 35Weak | Timothy J Harris Senior VP and CDIO sell | $1.0M 10,543 shares | -8% | +133% from low-5% from high | |
| 28Weak | Timothy J Harris Senior VP and CDIO sell | $1.0M 10,543 shares | -8% | +129% from low-7% from high | |
| 30Weak | Kimberly A Fields President, CEO and Director sell | $1.8M 21,153 shares | -9% | +99% from low-13% from high | |
| 30Weak | Kimberly A Fields President, CEO and Director sell | $1.7M 21,154 shares | -9% | +99% from low-12% from high | |
| 30Weak | Kimberly A Fields President, CEO and Director sell | $1.6M 20,312 shares | -8% | +90% from low-16% from high | |
| 30Weak | Kimberly A Fields President & CEO sell | $1.2M 15,941 shares | -6% | +78% from low-22% from high | |
| 38Weak | Robert S Wetherbee Executive Chairman sell | $3.7M 50,000 shares | -14% | +77% from low-22% from high | |
| 47Moderate | David J Morehouse director sell | $599k 7,900 shares | -15% | +80% from low-21% from high | |
| 30Weak | Robert S Wetherbee Executive Chairman sell | $4.2M 50,000 shares | -12% | +100% from low-1% from high | |
| 30Weak | Robert S Wetherbee Executive Chairman sell | $4.1M 50,000 shares | -11% | +95% from low0% from high | |
| 30Weak | Robert S Wetherbee Executive Chairman sell | $3.8M 50,000 shares | -11% | +64% from low0% from high | |
| 25Weak | Robert S Wetherbee Executive Chairman sell | $3.4M 50,000 shares | -9% | +64% from low0% from high | |
| 48Moderate | David J Morehouse director sell | $885k 17,000 shares | -26% | +5% from low-21% from high | |
| 45Moderate | Tina Killough Busch SVP, CHRO sell | $657k 9,900 shares | -28% | +20% from low-5% from high | |
| 39Weak | Tina Killough Busch SVP, CHRO sell | $156k 2,598 shares | -11% | - | |
| 33Weak | Robert S Wetherbee Executive Chairman sell | $1.5M 25,000 shares | -5% | - | |
| 25Weak | Robert S Wetherbee Executive Chairman sell | $1.4M 25,000 shares | -5% | - | |
| 25Weak | Robert S Wetherbee Executive Chairman sell | $1.6M 25,000 shares | -5% | - |
Transactions
The last 88 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 21, 2026 | Timothy J Harris Senior VP and CDIO | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -9,000 | $191.82 | $1.7M | 88,187 | 19 d ago |
| Sep 14, 2026 | Timothy J Harris Senior VP and CDIO | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -16,500 | $193.06 | $3.2M | 97,187 | 26 d ago |
| Sep 8, 2026 | Timothy J Harris Senior VP and CDIO | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -16,500 | $207.54 | $3.4M | 113,687 | 32 d ago |
| Sep 2, 2026 | David J Morehouse director | SOpen-market sale Common Stock, par value $0.10 per share | -2,485 | $201.61 | $501k | 35,826 | 38 d ago |
| Aug 31, 2026 | Timothy J Harris Senior VP and CDIO | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -16,500 | $210.01 | $3.5M | 130,187 | 40 d ago |
| Dec 18, 2025 | Robert S Wetherbee Executive Chairman | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -6,507 | $108.86 | $708k | 180,031 | Dec 19, 2025 |
| Dec 18, 2025 | Robert S Wetherbee Executive Chairman | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -47,355 | $109.57 | $5.2M | 132,676 | Dec 19, 2025 |
| Dec 18, 2025 | Robert S Wetherbee Executive Chairman | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | +6,158 | $110.34 | $679k | 126,518 | Dec 19, 2025 |
| Dec 5, 2025 | Kimberly A Fields President, CEO and Director | AGrant or award Performance Stock Unitderivative | +34,188 | - | - | 34,188 | Dec 9, 2025 |
| Dec 5, 2025 | Vaishali S. Bhatia SVP, General Counsel and CCO | AGrant or award Performance Stock Unitderivative | +6,837 | - | - | 6,837 | Dec 9, 2025 |
| Dec 5, 2025 | Timothy J Harris Senior VP and CDIO | AGrant or award Performance Stock Unitderivative | +6,837 | - | - | 6,837 | Dec 9, 2025 |
| Dec 5, 2025 | Michael Benjamin Miller VP Chief Accounting Officer | AGrant or award Performance Stock Unitderivative | +1,709 | - | - | 1,709 | Dec 9, 2025 |
| Nov 25, 2025 | Timothy J Harris Senior VP and CDIO | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -10,542 | $97.88 | $1.0M | 98,310 | Nov 25, 2025 |
| Nov 21, 2025 | Tina Killough Busch SVP, CHRO | SOpen-market sale Common Stock, par value $0.10 per share | -2,598 | $93.26 | $242k | 21,274 | Nov 25, 2025 |
| Nov 19, 2025 | Elizabeth Hefley Lund director | AGrant or award Common Stock, par value $0.10 per share | +631 | $0.00 | $0 | 631 | Nov 21, 2025 |
| Nov 19, 2025 | Jean Lydon-Rodgers director | AGrant or award Common Stock, par value $0.10 per share | +631 | $0.00 | $0 | 631 | Nov 21, 2025 |
| Nov 19, 2025 | M Leroy Ball director | GGift Common Stock, par value $0.10 per share | -185 | $0.00 | $0 | 34,182 | Nov 21, 2025 |
| Nov 18, 2025 | Timothy J Harris Senior VP and CDIO | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -10,542 | $97.77 | $1.0M | 108,852 | Nov 20, 2025 |
| Nov 18, 2025 | Robert S Wetherbee Executive Chairman | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -8,291 | $97.20 | $806k | 298,247 | Nov 20, 2025 |
| Nov 18, 2025 | Robert S Wetherbee Executive Chairman | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -24,711 | $98.21 | $2.4M | 273,536 | Nov 20, 2025 |
| Nov 18, 2025 | Robert S Wetherbee Executive Chairman | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -26,998 | $98.80 | $2.7M | 246,538 | Nov 20, 2025 |
| Nov 11, 2025 | Timothy J Harris Senior VP and CDIO | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -10,543 | $97.69 | $1.0M | 119,394 | Nov 12, 2025 |
| Nov 4, 2025 | Timothy J Harris Senior VP and CDIO | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -10,543 | $96.07 | $1.0M | 129,937 | Nov 5, 2025 |
| Oct 15, 2025 | Kimberly A Fields President, CEO and Director | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -21,153 | $85.87 | $1.8M | 202,668 | Oct 16, 2025 |
| Oct 10, 2025 | Tina Killough Busch SVP, CHRO | FTax withholding Common Stock, par value $0.10 per share | -2,122 | $81.21 | $172k | 23,872 | Oct 14, 2025 |
| Oct 6, 2025 | Kimberly A Fields President, CEO and Director | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -21,154 | $82.03 | $1.7M | 223,821 | Oct 8, 2025 |
| Sep 22, 2025 | Kimberly A Fields President, CEO and Director | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -20,312 | $80.33 | $1.6M | 244,975 | Sep 23, 2025 |
| Sep 9, 2025 | Kimberly A Fields President & CEO | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -15,941 | $77.52 | $1.2M | 265,287 | Sep 10, 2025 |
| Aug 4, 2025 | David J Morehouse director | SOpen-market sale Common Stock, par value $0.10 per share | -7,700 | $75.80 | $584k | 44,977 | Aug 6, 2025 |
| Aug 5, 2025 | Robert S Wetherbee Executive Chairman | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -40,777 | $74.48 | $3.0M | 315,761 | Aug 6, 2025 |
| Aug 5, 2025 | Robert S Wetherbee Executive Chairman | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -7,220 | $75.30 | $544k | 308,541 | Aug 6, 2025 |
| Aug 4, 2025 | David J Morehouse director | SOpen-market sale Common Stock, par value $0.10 per share | -200 | $76.30 | $15k | 44,777 | Aug 6, 2025 |
| Aug 5, 2025 | Robert S Wetherbee Executive Chairman | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -2,003 | $76.10 | $152k | 306,538 | Aug 6, 2025 |
| Jun 12, 2025 | Robert S Wetherbee Executive Chairman | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -13,105 | $82.89 | $1.1M | 393,433 | Jun 16, 2025 |
| Jun 12, 2025 | Robert S Wetherbee Executive Chairman | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -25,531 | $84.30 | $2.2M | 367,902 | Jun 16, 2025 |
| Jun 12, 2025 | Robert S Wetherbee Executive Chairman | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -11,364 | $84.30 | $958k | 356,538 | Jun 16, 2025 |
| Jun 3, 2025 | Robert S Wetherbee Executive Chairman | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -50,000 | $81.64 | $4.1M | 406,538 | Jun 5, 2025 |
| May 20, 2025 | Ruby Sharma director | AGrant or award Common Stock, par value $0.10 per share | +1,655 | $0.00 | $0 | 6,380 | May 22, 2025 |
| May 20, 2025 | David J Morehouse director | AGrant or award Common Stock, par value $0.10 per share | +3,311 | $0.00 | $0 | 52,677 | May 22, 2025 |
| May 20, 2025 | Marianne Kah director | AGrant or award Common Stock, par value $0.10 per share | +1,655 | $0.00 | $0 | 34,170 | May 22, 2025 |
| May 20, 2025 | David P Hess director | AGrant or award Common Stock, par value $0.10 per share | +3,509 | $0.00 | $0 | 34,040 | May 22, 2025 |
| May 20, 2025 | Carolyn Corvi director | AGrant or award Common Stock, par value $0.10 per share | +1,655 | $0.00 | $0 | 70,241 | May 22, 2025 |
| May 20, 2025 | Herbert J Carlisle director | AGrant or award Common Stock, par value $0.10 per share | +1,655 | $0.00 | $0 | 36,651 | May 22, 2025 |
| May 20, 2025 | M Leroy Ball director | AGrant or award Common Stock, par value $0.10 per share | +1,655 | $0.00 | $0 | 34,367 | May 22, 2025 |
| May 20, 2025 | Robert S Wetherbee Executive Chairman | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -45,359 | $75.31 | $3.4M | 461,179 | May 22, 2025 |
| May 20, 2025 | J Brett Harvey director | AGrant or award Common Stock, par value $0.10 per share | +4,039 | $0.00 | $0 | 98,866 | May 22, 2025 |
| May 6, 2025 | Robert S Wetherbee Executive Chairman | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -4,641 | $76.01 | $353k | 456,536 | May 22, 2025 |
| May 6, 2025 | Robert S Wetherbee Executive Chairman | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -23,584 | $67.76 | $1.6M | 532,954 | May 8, 2025 |
| May 6, 2025 | Robert S Wetherbee Executive Chairman | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -26,416 | $68.56 | $1.8M | 506,538 | May 8, 2025 |
| Apr 1, 2025 | David J Morehouse director | SOpen-market sale Common Stock, par value $0.10 per share | -17,000 | $52.03 | $885k | 49,366 | Apr 3, 2025 |
| Mar 20, 2025 | Vaishali S. Bhatia SVP, General Counsel and CCO | FTax withholding Common Stock, par value $0.10 per share | -3,509 | $52.19 | $183k | 60,721 | Mar 21, 2025 |
| Mar 3, 2025 | Michael Benjamin Miller VP Chief Accounting Officer | FTax withholding Common Stock, par value $0.10 per share | -413 | $59.09 | $24k | 7,572 | Mar 21, 2025 |
| Feb 6, 2025 | Tina Killough Busch SVP, CHRO | SOpen-market sale Common Stock, par value $0.10 per share | -9,900 | $66.41 | $657k | 25,994 | Feb 7, 2025 |
| Jan 3, 2025 | Michael Benjamin Miller VP Chief Accounting Officer | AGrant or award Common Stock, par value $0.10 per share | +1,176 | $0.00 | $0 | 8,151 | Jan 7, 2025 |
| Jan 3, 2025 | Timothy J Harris Senior VP and CDIO | AGrant or award Common Stock, par value $0.10 per share | +5,560 | $0.00 | $0 | 108,566 | Jan 7, 2025 |
| Jan 3, 2025 | Kimberly A Fields President & CEO | AGrant or award Common Stock, par value $0.10 per share | +18,713 | $0.00 | $0 | 219,346 | Jan 7, 2025 |
| Jan 3, 2025 | Tina Killough Busch SVP, CHRO | AGrant or award Common Stock, par value $0.10 per share | +4,444 | $0.00 | $0 | 25,997 | Jan 7, 2025 |
| Jan 3, 2025 | Vaishali S. Bhatia SVP, General Counsel and CCO | AGrant or award Common Stock, par value $0.10 per share | +6,629 | $0.00 | $0 | 65,085 | Jan 7, 2025 |
| Jan 3, 2025 | Donald P Newman EVP and CFO | AGrant or award Common Stock, par value $0.10 per share | +8,300 | $0.00 | $0 | 199,197 | Jan 7, 2025 |
| Jan 3, 2025 | Robert S Wetherbee Executive Chairman | AGrant or award Common Stock, par value $0.10 per share | +17,822 | $0.00 | $0 | 454,265 | Jan 7, 2025 |
| Jan 3, 2025 | Jimmy Williams Jr. SVP, CTO | FTax withholding Common Stock, par value $0.10 per share | -1,480 | $55.81 | $83k | 11,620 | Jan 7, 2025 |
| Jan 3, 2025 | Michael Benjamin Miller VP Chief Accounting Officer | FTax withholding Common Stock, par value $0.10 per share | -166 | $55.81 | $9,264 | 7,985 | Jan 7, 2025 |
| Jan 3, 2025 | Timothy J Harris Senior VP and CDIO | FTax withholding Common Stock, par value $0.10 per share | -2,692 | $55.81 | $150k | 105,874 | Jan 7, 2025 |
| Jan 3, 2025 | Robert S Wetherbee Executive Chairman | FTax withholding Common Stock, par value $0.10 per share | -9,144 | $55.81 | $510k | 445,121 | Jan 7, 2025 |
| Jan 3, 2025 | Kimberly A Fields President & CEO | FTax withholding Common Stock, par value $0.10 per share | -4,702 | $55.81 | $262k | 214,644 | Jan 7, 2025 |
| Jan 3, 2025 | Donald P Newman EVP and CFO | FTax withholding Common Stock, par value $0.10 per share | -3,352 | $55.81 | $187k | 195,845 | Jan 7, 2025 |
| Jan 3, 2025 | Tina Killough Busch SVP, CHRO | FTax withholding Common Stock, par value $0.10 per share | -1,811 | $55.81 | $101k | 24,186 | Jan 7, 2025 |
| Jan 3, 2025 | Vaishali S. Bhatia SVP, General Counsel and CCO | FTax withholding Common Stock, par value $0.10 per share | -855 | $55.81 | $48k | 64,230 | Jan 7, 2025 |
| Jan 6, 2025 | Timothy J Harris Senior VP and CDIO | FTax withholding Common Stock, par value $0.10 per share | -3,280 | $56.63 | $186k | 102,594 | Jan 7, 2025 |
| Jan 6, 2025 | Tina Killough Busch SVP, CHRO | FTax withholding Common Stock, par value $0.10 per share | -1,246 | $56.63 | $71k | 22,940 | Jan 7, 2025 |
| Jan 6, 2025 | Kimberly A Fields President & CEO | FTax withholding Common Stock, par value $0.10 per share | -5,173 | $56.63 | $293k | 209,471 | Jan 7, 2025 |
| Jan 6, 2025 | Robert S Wetherbee Executive Chairman | FTax withholding Common Stock, par value $0.10 per share | -12,541 | $56.63 | $710k | 432,580 | Jan 7, 2025 |
| Jan 6, 2025 | Donald P Newman EVP and CFO | FTax withholding Common Stock, par value $0.10 per share | -4,139 | $56.63 | $234k | 191,706 | Jan 7, 2025 |
| Jan 6, 2025 | Kimberly A Fields President & CEO | AGrant or award Common Stock, par value $0.10 per share | +118,314 | $0.00 | $0 | 327,785 | Jan 7, 2025 |
| Jan 6, 2025 | Robert S Wetherbee Executive Chairman | AGrant or award Common Stock, par value $0.10 per share | +286,824 | $0.00 | $0 | 719,404 | Jan 7, 2025 |
| Jan 6, 2025 | Tina Killough Busch SVP, CHRO | AGrant or award Common Stock, par value $0.10 per share | +21,360 | $0.00 | $0 | 44,300 | Jan 7, 2025 |
| Jan 6, 2025 | Donald P Newman EVP and CFO | AGrant or award Common Stock, par value $0.10 per share | +94,650 | $0.00 | $0 | 286,356 | Jan 7, 2025 |
| Jan 6, 2025 | Timothy J Harris Senior VP and CDIO | AGrant or award Common Stock, par value $0.10 per share | +67,402 | $0.00 | $0 | 169,996 | Jan 7, 2025 |
| Jan 6, 2025 | Donald P Newman EVP and CFO | FTax withholding Common Stock, par value $0.10 per share | -37,245 | $56.63 | $2.1M | 249,111 | Jan 7, 2025 |
| Jan 6, 2025 | Robert S Wetherbee Executive Chairman | FTax withholding Common Stock, par value $0.10 per share | -112,866 | $56.63 | $6.4M | 606,538 | Jan 7, 2025 |
| Jan 6, 2025 | Timothy J Harris Senior VP and CDIO | FTax withholding Common Stock, par value $0.10 per share | -29,516 | $56.63 | $1.7M | 140,480 | Jan 7, 2025 |
| Jan 6, 2025 | Kimberly A Fields President & CEO | FTax withholding Common Stock, par value $0.10 per share | -46,557 | $56.63 | $2.6M | 281,228 | Jan 7, 2025 |
| Jan 6, 2025 | Tina Killough Busch SVP, CHRO | FTax withholding Common Stock, par value $0.10 per share | -8,406 | $56.63 | $476k | 35,894 | Jan 7, 2025 |
| Dec 4, 2024 | Tina Killough Busch SVP, CHRO | SOpen-market sale Common Stock, par value $0.10 per share | -2,598 | $60.02 | $156k | 21,553 | Dec 6, 2024 |
| Dec 4, 2024 | Robert S Wetherbee Executive Chairman | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -25,000 | $58.99 | $1.5M | 436,443 | Dec 6, 2024 |
| Nov 15, 2024 | Robert S Wetherbee Executive Chairman | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -25,000 | $56.35 | $1.4M | 461,443 | Nov 18, 2024 |
| Oct 10, 2024 | Tina Killough Busch SVP, CHRO | FTax withholding Common Stock, par value $0.10 per share | -531 | $61.77 | $33k | 24,151 | Oct 18, 2024 |
| Oct 15, 2024 | Robert S Wetherbee Executive Chairman | SOpen-market sale Common Stock, par value $0.10 per share10b5-1 | -25,000 | $62.23 | $1.6M | 486,443 | Oct 16, 2024 |
Insiders
Everyone who has filed a Form 4 here.
- M Leroy Ballceo, officer, director
- Vaishali S. BhatiaSVP, General Counsel and CCO
- Tina Killough BuschSVP, CHRO
- Herbert J Carlisledirector
- Carolyn Corvidirector
- Kimberly A FieldsPresident, CEO and Director
- J Brett Harveydirector
- Timothy J HarrisSenior VP and CDIO
- David P Hessdirector
- Marianne Kahdirector
- Elizabeth Hefley Lunddirector
- Jean Lydon-Rodgersdirector
- Michael Benjamin MillerVP Chief Accounting Officer
- David J Morehousedirector
- Donald P NewmanEVP and CFO
- Ruby Sharmadirector
- Robert S WetherbeeExecutive Chairman
- Jimmy Williams Jr.SVP, CTO
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.