ATI
ATI INC · Manufacturing · Market cap $24.6B
Insiders sold $34.8M net in the last 90 days ·3 sellers, 0 buyers· 8 of 9 sales under Rule 10b5-1 plans· latest Form 4 filed Sep 23, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$82.6M
reported sales (SEC code S)
Unique Insiders
5
in the rolling window
Latest filing
Sep 23, 2026
Harris Timothy J
ATI INC (ATI) has 43 SEC Form 4 filings (98 transaction rows) in the rolling window, disclosed by 5 distinct insiders. Most recent filing: Sep 23, 2026.
Inside the rolling window, 5 insiders at ATI INC reported no open-market purchases and 24 open-market sales totaling $82.6M. The most active filer is Senior VP and CDIO Harris Timothy J with 9 filings. Insiders have net sold $56.1M over the trailing 6 months. The most recent open-market filing is a sale of 9,000 shares by Senior VP and CDIO Harris Timothy J, dated Sep 21, 2026, worth $1.7M.
- Industry:Manufacturing - Metal Fabrication
- CEO:Kimberly A. Fields
- Employees:7,600
- HQ:Dallas, TX, US
- IPO:1999-11-29
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Senior VP and CDIO | Sale | 9,000 | $1.7M | Sep 23 | -1.9% | SEC ↗ | |
| Senior VP and CDIO | Sale | 16,500 | $3.2M | Sep 17 | -1.6% | SEC ↗ | |
| Senior VP and CDIO | Sale | 16,500 | $3.4M | Sep 10 | -9.2% | SEC ↗ | |
Morehouse David JFirst in 6 months | Director | Sale | 2,485 | $501K | Sep 4 | -14.2% | SEC ↗ |
| Senior VP and CDIO | Sale | 16,500 | $3.5M | Sep 2 | -10.4% | SEC ↗ | |
Harris Timothy JFirst in 9 months | Senior VP and CDIO | Sale | 16,500 | $3.4M | Aug 26 | -15.1% | SEC ↗ |
| Chair, President and CEO | Sale | 24,845 | $5.7M | Aug 19 | -16.3% | SEC ↗ | |
| Chair, President and CEO | Sale | 31,757 | $6.1M | Jul 30 | — | SEC ↗ | |
| Chair, President and CEO | Sale | 40,000 | $7.3M | Jul 9 | — | SEC ↗ | |
| Chair, President and CEO | Sale | 13,269 | $2.7M | Jun 24 | — | SEC ↗ | |
| Chair, President and CEO | Sale | 3,641 | $719K | Jun 24 | — | SEC ↗ | |
| Chair, President and CEO | Sale | 3,783 | $746K | Jun 24 | — | SEC ↗ | |
| Chair, President and CEO | Sale | 59,749 | $10.7M | Jun 4 | — | SEC ↗ | |
Fields Kimberly AFirst filing | President, CEO and Director | Sale | 40,000 | $6.4M | May 12 | — | SEC ↗ |
Morehouse David JFirst filing | Director | Sale | 6,609 | $1.0M | Mar 11 | — | SEC ↗ |
| Executive Chairman | Sale | 49,562 | $7.2M | Feb 19 | — | SEC ↗ | |
| Executive Chairman | Sale | 10,438 | $1.5M | Feb 19 | — | SEC ↗ | |
| Executive Chairman | Sale | 60,020 | $6.6M | Dec 19 | — | SEC ↗ | |
Busch Tina KilloughFirst filing | SVP, CHRO | Sale | 2,598 | $242K | Nov 25 | — | SEC ↗ |
| Senior VP and CDIO | Sale | 10,542 | $1.0M | Nov 25 | — | SEC ↗ | |
WETHERBEE ROBERT SFirst filing | Executive Chairman | Sale | 60,000 | $5.9M | Nov 20 | — | SEC ↗ |
| Senior VP and CDIO | Sale | 10,542 | $1.0M | Nov 20 | — | SEC ↗ | |
| Senior VP and CDIO | Sale | 10,543 | $1.0M | Nov 12 | — | SEC ↗ | |
Harris Timothy JFirst filing | Senior VP and CDIO | Sale | 10,543 | $1.0M | Nov 5 | — | SEC ↗ |
Earnings: last 7 quarters
Frequently asked questions
How many SEC Form 4 insider filings does ATI have?
ATI INC (ATI) has 43 SEC Form 4 filings (98 transaction rows) in the rolling 365-day window, disclosed by 5 distinct insiders. Most recent filing: Sep 23, 2026.
When was the most recent SEC Form 4 filing for ATI?
The most recent Form 4 filing for ATI on Tracefour is dated Sep 23, 2026.
Who is the most active insider at ATI?
The most active SEC Form 4 filer at ATI in the rolling window is Senior VP and CDIO Harris Timothy J, with 9 filings.
What is the net insider flow at ATI over the last 6 months?
Over the trailing 180 days, insiders at ATI have net sold $56.1M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at ATI in the current window?
Inside the rolling window, insiders at ATI bought $0 and sold $82.6M based on SEC Form 4 filings.
Can I get alerts for ATI insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at ATI INC (ATI). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
ATI INC is in the Manufacturing sector.