| $1B | ||
| $100M | ||
| $54M | ||
| $40M | ||
| $32M | ||
| $31M |
Buys | $0 | 0 | 0 |
Sells | $82,642,177 | 24 | 100 |
| Busch Tina Killough | SVP, CHRO | 0 | $0 | 1 | $242,289 | $-242,289 |
| Morehouse David J | director | 0 | $0 | 2 | $1.52M | $-1.52M |
| Harris Timothy J | Senior VP and CDIO | 0 | $0 | 9 | $19.32M | $-19.32M |
| WETHERBEE ROBERT S | Executive Chairman | 0 | $0 | 4 | $21.21M | $-21.21M |
| Fields Kimberly A | President, CEO and Director | 0 | $0 | 8 | $40.34M | $-40.34M |
Globally, ATI Inc. stands as a premier manufacturer and supplier of specialized materials and complex components. The enterprise's operations are strategically divided into two primary divisions: High Performance Materials & Components (HPMC) and Advanced Alloys & Solutions (AA&S). The HPMC segment is responsible for creating a diverse range of advanced substances, including titanium and its numerous alloys, nickel- and cobalt-based alloys (such as superalloys), sophisticated powdered alloys, and other distinctive specialty materials. These are …
Over the last 12 months, insiders at ATI Inc. have bought $0 and sold $82.64M worth of ATI Inc. stock.
On average, over the past 5 years, insiders at ATI Inc. have bought $0 and sold $25.01M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 12,500 shares for transaction amount of $210,365 was made by NEWMAN DONALD P (SVP and CFO) on 2020‑12‑10.
| 2026-09-21 | Sale | Harris Timothy J | Senior VP and CDIO | 9,000 0.0066% | $191.82 | $1.73M | -1.56% | |
| 2026-09-14 | Sale | Harris Timothy J | Senior VP and CDIO | 16,500 0.0124% | $193.06 | $3.19M | -0.81% | |
| 2026-09-08 | Sale | Harris Timothy J | Senior VP and CDIO | 16,500 0.0121% | $207.54 | $3.42M | -9.36% | |
| 2026-09-02 | Sale | Morehouse David J | director | 2,485 0.0018% | $201.61 | $501,001 | -6.72% | |
| 2026-08-31 | Sale | Harris Timothy J | Senior VP and CDIO | 16,500 0.0125% | $210.01 | $3.47M | -7.86% | |
| 2026-08-24 | Sale | Harris Timothy J | Senior VP and CDIO | 16,500 0.012% | $206.92 | $3.41M | -9.84% | |
| 2026-08-17 | Sale | Fields Kimberly A | Chair, President and CEO | 24,845 0.0182% | $231.19 | $5.74M | -18.32% | |
| 2026-07-28 | Sale | Fields Kimberly A | Chair, President and CEO | 31,757 0.0238% | $190.99 | $6.07M | +2.22% | |
| 2026-07-07 | Sale | Fields Kimberly A | Chair, President and CEO | 40,000 0.0293% | $182.91 | $7.32M | +3.53% | |
| 2026-06-24 | Sale | Fields Kimberly A | Chair, President and CEO | 3,783 0.0027% | $197.21 | $746,045 | -3.14% | |
| 2026-06-23 | Sale | Fields Kimberly A | Chair, President and CEO | 3,641 0.0026% | $197.48 | $719,025 | -3.99% | |
| 2026-06-22 | Sale | Fields Kimberly A | Chair, President and CEO | 13,269 0.0096% | $202.48 | $2.69M | -6.05% | |
| 2026-06-02 | Sale | Fields Kimberly A | Chair, President and CEO | 59,749 0.0439% | $179.07 | $10.7M | +7.49% | |
| 2026-05-11 | Sale | Fields Kimberly A | President, CEO and Director | 40,000 0.029% | $159.21 | $6.37M | +17.46% | |
| 2026-03-09 | Sale | Morehouse David J | director | 6,609 0.005% | $154.25 | $1.02M | +18.38% | |
| 2026-02-17 | Sale | WETHERBEE ROBERT S | Executive Chairman | 49,562 0.0361% | $145.40 | $7.21M | +24.35% | |
| 2026-02-10 | Sale | WETHERBEE ROBERT S | Executive Chairman | 10,438 0.0082% | $146.67 | $1.53M | +32.00% | |
| 2025-12-18 | Sale | WETHERBEE ROBERT S | Executive Chairman | 60,020 0.0441% | $109.57 | $6.58M | +50.87% | |
| 2025-11-25 | Sale | Harris Timothy J | Senior VP and CDIO | 10,542 0.0079% | $97.88 | $1.03M | +64.76% | |
| 2025-11-21 | Sale | Busch Tina Killough | SVP, CHRO | 2,598 0.0018% | $93.26 | $242,289 | +69.53% |
| WETHERBEE ROBERT S | Executive Chairman | 280061 0.2062% | $50.5M | 2 | 17 | +8.53% |
| Harris Timothy J | Senior VP and CDIO | 88187 0.0649% | $15.9M | 1 | 12 | +1.55% |
| HARSHMAN RICHARD J | Executive Chairman | 515861 0.3798% | $93.03M | 3 | 10 | <0.0001% |
| HASSEY L PATRICK | Chairman, President and CEO | 415794 0.3061% | $74.98M | 2 | 2 | +1.61% |
| Kramer Kevin B | Sr. VP, CCMO | 160338 0.118% | $28.91M | 3 | 4 | <0.0001% |
| Davis Elliot S | Chief Legal & Compl. Officer | 123927 0.0912% | $22.35M | 2 | 10 | +1.33% |
| Powers Elizabeth C | Senior VP, CHRO | 80185 0.059% | $14.46M | 3 | 0 | +31.72% |
| DeCourcy Patrick J | Senior VP, Finance and CFO | 67484 0.0497% | $12.17M | 1 | 0 | <0.0001% |
| JEREMIAH BARABARA S | director | 33833 0.0249% | $6.1M | 3 | 1 | +38.74% |
| ROHR JAMES E | director | 29531 0.0217% | $5.33M | 1 | 6 | <0.0001% |
| Pipski John R | director | 18543 0.0137% | $3.34M | 1 | 0 | +3.35% |
| TURNER JOHN D | director | 6648 0.0049% | $1.2M | 2 | 0 | +16.41% |
| BALL M LEROY | director | 6530 0.0048% | $1.18M | 1 | 0 | <0.0001% |
| Kah Marianne | director | 5116 0.0038% | $922,568.28 | 1 | 0 | +19.91% |
| HARVEY J BRETT | director | 5091 0.0037% | $918,060.03 | 1 | 0 | +19.97% |
| Corvi Carolyn | director | 2056 0.0015% | $370,742.50 | 1 | 0 | +7.45% |
| NEWMAN DONALD P | SVP and CFO | 80 0.0001% | $14,433.97 | 1 | 0 | +13.41% |
| Increased Positions | 319 | +60.65% | 12M | +8.93% |
| Decreased Positions | 224 | -42.59% | 14M | -10.88% |
| New Positions | 147 | New | 5M | New |
| Sold Out Positions | 42 | Sold Out | 3M | Sold Out |
| Total Postitions | 621 | +18.06% | 128M | -1.95% |
| Capital International Investors | $2.04M | 12.61% | 17.15M | +436,131 | +2.61% | 2025-09-30 |
| Blackrock, Inc. | $1.77M | 10.93% | 14.86M | -89,813 | -0.6% | 2025-09-30 |
| Vanguard Group Inc | $1.56M | 9.6% | 13.05M | -276,228 | -2.07% | 2025-09-30 |
| Capital World Investors | $941,748.00 | 5.81% | 7.9M | +1M | +15.84% | 2025-09-30 |
| State Street Corp | $720,235.00 | 4.44% | 6.04M | +415,479 | +7.38% | 2025-09-30 |
| Fmr Llc | $583,981.00 | 3.6% | 4.9M | +1M | +43.51% | 2025-09-30 |
| Capital Research Global Investors | $384,416.00 | 2.37% | 3.22M | 0 | 0% | 2025-09-30 |
| Invesco Ltd. | $375,708.00 | 2.32% | 3.15M | -144,710 | -4.39% | 2025-09-30 |
| D. E. Shaw & Co., Inc. | $360,831.00 | 2.23% | 3.03M | -486,846 | -13.86% | 2025-09-30 |
| Dendur Capital Lp | $320,548.00 | 1.98% | 2.69M | -485,840 | -15.3% | 2025-09-30 |