| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Over the past 90 days, insiders at Ati Inc. (ATI) have been net sellers, shedding 102,330 shares worth roughly $21.5M on balance.
ATI sits in the Machinery industry within the Industrials sector, so this activity is best read against the sector's broader insider trend.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| Other | 269.6K | $39.38M | - | |
| CEO | 100.7K | $23.12M | - | |
| VP | 88.2K | $16.92M | - | |
| Dir | 71.1K | - | - | |
| VP | 58.4K | $8.41M | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 21, 2026 | Harris Timothy J | Senior VP and Cdio | Sell10b5-1 | 9,000 | $191.82 | $1,726,380.00 | -9.3% | - | - | |
| Sep 14, 2026 | Harris Timothy J | Senior VP and Cdio | Sell10b5-1 | 16,500 | $193.06 | $3,185,490.00 | -14.5% | - | - | |
| Sep 8, 2026 | Harris Timothy J | Senior VP and Cdio | Sell10b5-1 | 16,500 | $207.54 | $3,424,410.00 | -12.7% | - | - | |
| Sep 2, 2026 | Morehouse David J | Director | Sell | 2,485 | $201.61 | $501,000.85 | -6.5% | - | - | |
| Aug 31, 2026 | Harris Timothy J | Senior VP and Cdio | Sell10b5-1 | 16,500 | $210.01 | $3,465,165.00 | -11.2% | - | - | |
| Aug 24, 2026 | Harris Timothy J | Senior VP and Cdio | Sell10b5-1 | 16,500 | $206.92 | $3,414,180.00 | -10.1% | - | - | |
| Aug 17, 2026 | Fields Kimberly A | Chair, President and CEO | Sell10b5-1 | 24,845 | $231.19 | $5,744,009.12 | -19.8% | - | - | |
| Jul 28, 2026 | Fields Kimberly A | Chair, President and CEO | Sell10b5-1 | 31,757 | $190.99 | $6,065,269.43 | -20.2% | -16.1% | - | |
| Jul 7, 2026 | Fields Kimberly A | Chair, President and CEO | Sell10b5-1 | 40,000 | $182.91 | $7,316,218.48 | -20.3% | +6.2% | - | |
| Jun 24, 2026 | Fields Kimberly A | Chair, President and CEO | Sell10b5-1 | 20,693 | $200.64 | $4,151,777.23 | -9.5% | -5.6% | - |