ATI Insider Activity
View recent SEC Form 4 insider transactions for ATI, including purchases, sales, option exercises, and other insider filings.
| Date | Insider | Type | Quantity | Price | Total Value | Shares Owned |
|---|---|---|---|---|---|---|
| Sep 14, 2026 | Harris Timothy J | Sale | 16,500 | $193.06 | $3,185,490.00 | 97,187 |
| Sep 08, 2026 | Harris Timothy J | Sale | 16,500 | $207.54 | $3,424,410.00 | 113,687 |
| Sep 02, 2026 | Morehouse David J | Sale | 2,485 | $201.61 | $501,000.85 | 35,826 |
| Aug 31, 2026 | Harris Timothy J | Sale | 16,500 | $210.01 | $3,465,165.00 | 130,187 |
| Aug 24, 2026 | Harris Timothy J | Sale | 16,500 | $206.92 | $3,414,180.00 | 146,687 |
| Aug 17, 2026 | Fields Kimberly A | Sale | 1,000 | $228.32 | $228,320.00 | 124,564 |
| Aug 17, 2026 | Fields Kimberly A | Sale | 2,000 | $229.56 | $459,120.00 | 122,564 |
| Aug 17, 2026 | Fields Kimberly A | Sale | 8,131 | $230.66 | $1,875,496.46 | 114,433 |
| Aug 17, 2026 | Fields Kimberly A | Sale | 9,116 | $231.72 | $2,112,359.52 | 105,317 |
| Aug 17, 2026 | Fields Kimberly A | Sale | 4,598 | $232.43 | $1,068,713.14 | 100,719 |
| Jul 28, 2026 | Fields Kimberly A | Sale | 31,757 | $190.99 | $6,065,269.43 | 125,564 |
| Jul 07, 2026 | Fields Kimberly A | Sale | 200 | $180.85 | $36,170.00 | 193,121 |
| Jul 07, 2026 | Fields Kimberly A | Sale | 2,200 | $181.36 | $398,992.00 | 190,921 |
| Jul 07, 2026 | Fields Kimberly A | Sale | 2,000 | $179.25 | $358,500.00 | 195,321 |
| Jul 07, 2026 | Fields Kimberly A | Sale | 11,826 | $182.66 | $2,160,137.16 | 179,095 |
| Jul 07, 2026 | Fields Kimberly A | Sale | 15,908 | $183.50 | $2,919,118.00 | 163,187 |
| Jul 07, 2026 | Fields Kimberly A | Sale | 4,878 | $184.34 | $899,210.52 | 158,309 |
| Jul 07, 2026 | Fields Kimberly A | Sale | 388 | $185.10 | $71,818.80 | 157,921 |
| Jul 07, 2026 | Fields Kimberly A | Sale | 400 | $187.50 | $75,000.00 | 157,321 |
| Jul 01, 2026 | Foster James Robert | Sell | 163 | $193.82 | $31,592.66 | 57,824 |
| Jun 24, 2026 | Fields Kimberly A | Sale | 3,783 | $197.21 | $746,045.43 | 197,321 |
| Jun 23, 2026 | Fields Kimberly A | Sale | 3,641 | $197.48 | $719,024.68 | 201,104 |
| Jun 22, 2026 | Fields Kimberly A | Sale | 13,269 | $202.48 | $2,686,707.12 | 204,745 |
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