ATI insider trades & Congress trades
Ati Inc: public insider filings and Congress disclosures, in one place.
Bourse has recorded 11 open-market insider transactions in Ati Inc (ATI) (0 purchases with code P and 11 sales with code S), the most recent on September 21, 2026.
In the last 90 days: 0 purchases by 0 insiders ($0) and 11 sales by 3 ($21.5M).
Insider transactions
SEC Form 4, open-market purchases (P) and sales (S) only. Awards, option exercises and tax withholding are excluded. “After” shows the stock’s return over the month following the trade, where available.
| Date | Insider | Role | Type | Shares | Price | Value | After 1M |
|---|---|---|---|---|---|---|---|
| Sep 21, 2026 | Harris Timothy J | Senior VP and CDIO | Sell | 9,000 | $191.82 | $1.73M | −0.1% |
| Sep 14, 2026 | Harris Timothy J | Senior VP and CDIO | Sell | 16,500 | $193.06 | $3.19M | −0.0% |
| Sep 8, 2026 | Harris Timothy J | Senior VP and CDIO | Sell | 16,500 | $207.54 | $3.42M | −0.0% |
| Sep 2, 2026 | Morehouse David J | – | Sell | 2,485 | $201.61 | $501K | −0.1% |
| Aug 31, 2026 | Harris Timothy J | Senior VP and CDIO | Sell | 16,500 | $210.01 | $3.47M | −0.1% |
| Aug 24, 2026 | Harris Timothy J | Senior VP and CDIO | Sell | 16,500 | $206.92 | $3.41M | −0.1% |
| Aug 17, 2026 | Fields Kimberly A | Chair, President and CEO | Sell | 1,000 | $228.32 | $228K | −0.1% |
| Aug 17, 2026 | Fields Kimberly A | Chair, President and CEO | Sell | 2,000 | $229.56 | $459K | −0.1% |
| Aug 17, 2026 | Fields Kimberly A | Chair, President and CEO | Sell | 8,131 | $230.66 | $1.88M | −0.1% |
| Aug 17, 2026 | Fields Kimberly A | Chair, President and CEO | Sell | 9,116 | $231.72 | $2.11M | −0.1% |
| Aug 17, 2026 | Fields Kimberly A | Chair, President and CEO | Sell | 4,598 | $232.43 | $1.07M | −0.1% |
Data as of November 8, 2026. Public filings only. A purchase or sale by a politician or an insider does not by itself imply any wrongdoing.
New to these filings? Read how to read a Form 4, how Congress trades are disclosed and what insider cluster buying means. Sources and limits are on the Methodology page.
See these filings as they land
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