Ati Inc
ATI- Exchange
- NYSE
- Industry
- Steel Pipe & Tubes
- SEC CIK
- 0001018963
In the last 90 days, Ati Inc insiders filed 0 open-market purchases and 9 sales; 795 institutions reported holding it in 13F filings for Q2 2026, worth $25.1B in total; 3 superinvestors hold it, including Viking Global Investors and Soros Fund Management.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Ati Inc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 9 filings
- 3 insiders, $34.8M in total
- Insiders trading
- 3
- Net value
- −$34.8M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Ati Inc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Harris Timothy J | Senior VP and CDIO | 88,187 | Sep 23, 2026 | 11 |
| Morehouse David J | Director | 35,826 | Sep 4, 2026 | 3 |
| Fields Kimberly A | Chair, President and CEO | 100,719 | Aug 19, 2026 | 10 |
| Foster James Robert | SVP, Finance and CFO | 57,824 | Jul 6, 2026 | 2 |
| Ball M Leroy | Director | 34,737 | May 21, 2026 | 3 |
| Hess David P | Director | 34,945 | May 21, 2026 | 1 |
| Corvi Carolyn | Director | 71,146 | May 21, 2026 | 1 |
| Carlisle Herbert J | Director | 37,556 | May 21, 2026 | 1 |
| Kah Marianne | Director | 35,075 | May 21, 2026 | 1 |
| Sharma Ruby | Director | 7,285 | May 21, 2026 | 1 |
| Lund Elizabeth Hefley | Director | 1,536 | May 21, 2026 | 2 |
| Lydon-Rodgers Jean | Director | 1,536 | May 21, 2026 | 2 |
| Bhatia Vaishali S. | SVP, General Counsel and CCO | 58,420 | Mar 24, 2026 | 3 |
| Miller Michael Benjamin | VP Chief Accounting Officer | 7,639 | Mar 3, 2026 | 3 |
| Wetherbee Robert S | Executive Chairman | 269,623 | Feb 19, 2026 | 4 |
| Busch Tina Killough | SVP, CHRO | 21,274 | Nov 25, 2025 | 2 |
| Harvey J Brett | Director | 98,866 | May 22, 2025 | 0 |
| Newman Donald P | EVP and CFO | 249,111 | Jan 7, 2025 | 0 |
| Williams Jimmy Jr. | SVP, CTO | 11,620 | Jan 7, 2025 | 0 |
| Washington Netta | EVP, HPMC | 11,894 | May 3, 2024 | 0 |
| Davis Elliot S | Chief Legal & Compl. Officer | 123,927 | Mar 4, 2024 | 0 |
| Diggs James C | Director | 46,591 | Sep 12, 2023 | 0 |
| Schwartz Karl D | VP, Controller & CAO | 62,833 | Sep 14, 2022 | 0 |
| Kramer Kevin B | Sr. VP, CCMO | 160,338 | Apr 18, 2022 | 0 |
| Powers Elizabeth C | Senior VP, CHRO | 167,578 | Mar 2, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 4, 2026 (view filing) | Jun 2 | 2 days | Fields Kimberly AChair, President and CEO | SSaleCommon Stock, par value $0.10 per share | −59.7K | $179.07 | −$10.7M | −21.5%218.0K after | 6 lots10b5-1 |
| Jun 24, 2026 (view filing) | Jun 22-24 | 2 days | Fields Kimberly AChair, President and CEO | SSaleCommon Stock, par value $0.10 per share | −20.7K | $200.64 | −$4.15M | −9.5%197.3K after | 3 lots10b5-1 |
| Jul 9, 2026 (view filing)4:33 PM ET | Jul 7 | 2 days | Fields Kimberly AChair, President and CEO | SSaleCommon Stock, par value $0.10 per share | −40.0K | $182.91 | −$7.32M | −20.3%157.3K after | 10 lots10b5-1 |
| Jul 30, 2026 (view filing)4:43 PM ET | Jul 28 | 2 days | Fields Kimberly AChair, President and CEO | SSaleCommon Stock, par value $0.10 per share | −31.8K | $190.99 | −$6.07M | −20.2%125.6K after | 10b5-1 |
| Aug 19, 2026 (view filing)5:05 PM ET | Aug 17 | 2 days | Fields Kimberly AChair, President and CEO | SSaleCommon Stock, par value $0.10 per share | −24.8K | $231.19 | −$5.74M | −19.8%100.7K after | 5 lots10b5-1 |
| Aug 26, 2026 (view filing)3:57 PM ET | Aug 24 | 2 days | Harris Timothy JSenior VP and CDIO | SSaleCommon Stock, par value $0.10 per share | −16.5K | $206.92 | −$3.41M | −10.1%146.7K after | 10b5-1 |
| Sep 2, 2026 (view filing)5:41 PM ET | Aug 31 | 2 days | Harris Timothy JSenior VP and CDIO | SSaleCommon Stock, par value $0.10 per share | −16.5K | $210.01 | −$3.47M | −11.2%130.2K after | 10b5-1 |
| Sep 4, 2026 (view filing)4:24 PM ET | Sep 2 | 2 days | Morehouse David JDirector | SSaleCommon Stock, par value $0.10 per share | −2.48K | $201.61 | −$501.0K | −6.5%35.8K after | |
| Sep 10, 2026 (view filing)4:12 PM ET | Sep 8 | 2 days | Harris Timothy JSenior VP and CDIO | SSaleCommon Stock, par value $0.10 per share | −16.5K | $207.54 | −$3.42M | −12.7%113.7K after | 10b5-1 |
| Sep 16, 2026 (view filing)8:20 PM ET | Sep 14 | 2 days | Harris Timothy JSenior VP and CDIO | SSaleCommon Stock, par value $0.10 per share | −16.5K | $193.06 | −$3.19M | −14.5%97.2K after | 10b5-1 |
| Sep 23, 2026 (view filing)10:32 AM ET | Sep 21 | 2 days | Harris Timothy JSenior VP and CDIO | SSaleCommon Stock, par value $0.10 per share | −9.00K | $191.82 | −$1.73M | −9.3%88.2K after | 10b5-1 |