United States Aerospace & Defense

ATI Inc (ATI)

Track

Over the past 90 days, ATI Inc. insiders have engaged in 35 transactions, all of which were sales. CEO Kimberly A. Fields accounted for the total net sell value of approximately $184,090. These transactions occurred as the stock price reached the 90th percentile of its 52-week range, following a 31.7% increase over the last quarter.
Ticker: ATI Exchange: NYS
Preparing chart...
Download chart Copy chart image Copy link Share to X Share


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Upgrade for signal details

Upgrade to see score, net flow, insiders and context.

Upgrade to see full signal details →

Insider trades have triggered activity signals for ATI Inc. Upgrade to see score, net flow, insiders and the full signal context.

Open in Activity Signals screener →
Top insiders
Trades
Planned sale 28 Jul 2026
Value US$385,020.82 | Price 442.23 | Shares 81,520 (-24.5%)
Proposed sale 28 Jul 2026
Value US$3,298,324.55 | Price 318.60 | Shares 66,542
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-07-30 2026-07-28 PlS Planned sale
Fields Kimberly A

Chair, President and CEO

Executive Director
81,520 -24.5%
442.23
US$385,021 		81,520 -24.5% 442.23 US$385,021
2026-07-28 2026-07-28 PrS Proposed sale
Fields Kimberly A

Officer; Director

Executive Director
66,542
318.60
US$3,298,325 		66,542 318.60 US$3,298,325
2026-07-09 2026-07-07 S Sale
Fields Kimberly A

Chair, President and CEO

Executive Director
89,813 -46.6%
110.96
US$3,617,278 		89,813 -46.6% 110.96 US$3,617,278
2026-07-09 2026-07-07 S Sale
Fields Kimberly A

Chair, President and CEO

Executive Director
200 -0.1%
186.36
US$37,272 		200 -0.1% 186.36 US$37,272
2026-07-09 2026-07-07 S Sale
Fields Kimberly A

Chair, President and CEO

Executive Director
388 -0.2%
185.10
US$71,819 		388 -0.2% 185.10 US$71,819
2026-07-09 2026-07-07 PlS Planned sale
Fields Kimberly A

Chair, President and CEO

Executive Director
4,878 -3.0%
184.34
US$899,211 		4,878 -3.0% 184.34 US$899,211
2026-07-09 2026-07-07 PlS Planned sale
Fields Kimberly A

Chair, President and CEO

Executive Director
15,908 -8.9%
183.50
US$2,919,118 		15,908 -8.9% 183.50 US$2,919,118
2026-07-09 2026-07-07 PlS Planned sale
Fields Kimberly A

Chair, President and CEO

Executive Director
11,826 -6.2%
182.66
US$2,160,137 		11,826 -6.2% 182.66 US$2,160,137
2026-07-09 2026-07-07 PlS Planned sale
Fields Kimberly A

Chair, President and CEO

Executive Director
2,200 -1.1%
181.36
US$398,992 		2,200 -1.1% 181.36 US$398,992
2026-07-09 2026-07-07 PlS Planned sale
Fields Kimberly A

Chair, President and CEO

Executive Director
200 -0.1%
180.85
US$36,170 		200 -0.1% 180.85 US$36,170
2026-07-09 2026-07-07 PlS Planned sale
Fields Kimberly A

Chair, President and CEO

Executive Director
2,000 -1.0%
180.00
US$360,000 		2,000 -1.0% 180.00 US$360,000
2026-07-09 2026-07-07 PlS Planned sale
Fields Kimberly A

Chair, President and CEO

Executive Director
2,000 -1.0%
179.25
US$358,500 		2,000 -1.0% 179.25 US$358,500
2026-07-07 2026-07-07 PrS Proposed sale
Fields Kimberly A

Officer; Director

Executive Director
40,000
188.13
US$7,525,200 		40,000 188.13 US$7,525,200
2026-06-24 2026-06-24 PlS Planned sale
Fields Kimberly A

Chair, President and CEO

Executive Director
3,783 -1.9%
197.21
US$746,045 		3,783 -1.9% 197.21 US$746,045
2026-06-24 2026-06-24 PrS Proposed sale
Fields Kimberly A

Officer; Director

Executive Director
3,783
197.21
US$746,045 		3,783 197.21 US$746,045
2026-06-24 2026-06-23 PlS Planned sale
Fields Kimberly A

Chair, President and CEO

Executive Director
3,641 -1.8%
197.48
US$719,025 		3,641 -1.8% 197.48 US$719,025
2026-06-23 2026-06-23 PrS Proposed sale
Fields Kimberly A

Officer; Director

Executive Director
3,641
197.48
US$719,025 		3,641 197.48 US$719,025
2026-06-24 2026-06-22 PlS Planned sale
Fields Kimberly A

Chair, President and CEO

Executive Director
13,269 -6.1%
202.48
US$2,686,707 		13,269 -6.1% 202.48 US$2,686,707
2026-06-22 2026-06-22 PrS Proposed sale
Fields Kimberly A

Officer; Director

Executive Director
13,269
202.48
US$2,686,707 		13,269 202.48 US$2,686,707
2026-06-22 2026-06-22 PrS Proposed sale
Fields Kimberly A

Officer; Director

Executive Director
13,269
202.48
US$2,686,707 		13,269 202.48 US$2,686,707
2026-06-04 2026-06-02 PlS Planned sale
Fields Kimberly A

Chair, President and CEO

Executive Director
3,001 -1.4%
182.75
US$548,433 		3,001 -1.4% 182.75 US$548,433
2026-06-04 2026-06-02 PlS Planned sale
Fields Kimberly A

Chair, President and CEO

Executive Director
2,000 -0.9%
181.90
US$363,800 		2,000 -0.9% 181.90 US$363,800
2026-06-04 2026-06-02 PlS Planned sale
Fields Kimberly A

Chair, President and CEO

Executive Director
1,896 -0.8%
180.80
US$342,797 		1,896 -0.8% 180.80 US$342,797
2026-06-04 2026-06-02 PlS Planned sale
Fields Kimberly A

Chair, President and CEO

Executive Director
13,164 -5.5%
179.71
US$2,365,702 		13,164 -5.5% 179.71 US$2,365,702
2026-06-04 2026-06-02 PlS Planned sale
Fields Kimberly A

Chair, President and CEO

Executive Director
13,865 -5.5%
179.05
US$2,482,528 		13,865 -5.5% 179.05 US$2,482,528
2026-06-04 2026-06-02 PlS Planned sale
Fields Kimberly A

Chair, President and CEO

Executive Director
25,823 -9.3%
177.97
US$4,595,719 		25,823 -9.3% 177.97 US$4,595,719
2026-06-02 2026-06-02 PrS Proposed sale
2.6
J. Brett Harvey

fmr Director

Non-Executive Director
40,500
178.48
US$7,228,440 		40,500 178.48 US$7,228,440
2026-06-02 2026-06-02 PrS Proposed sale
Fields Kimberly A

Officer; Director

Executive Director
59,749
177.40
US$10,599,473 		59,749 177.40 US$10,599,473
2026-05-12 2026-05-11 PlS Planned sale
Fields Kimberly A

President, CEO and Director

Executive Director
8,780 -3.1%
161.12
US$1,414,634 		8,780 -3.1% 161.12 US$1,414,634
2026-05-12 2026-05-11 PlS Planned sale
Fields Kimberly A

President, CEO and Director

Executive Director
11,982 -4.0%
160.60
US$1,924,309 		11,982 -4.0% 160.60 US$1,924,309
2026-05-12 2026-05-11 PlS Planned sale
Fields Kimberly A

President, CEO and Director

Executive Director
2,600 -0.9%
159.38
US$414,388 		2,600 -0.9% 159.38 US$414,388
2026-05-12 2026-05-11 PlS Planned sale
Fields Kimberly A

President, CEO and Director

Executive Director
6,420 -2.1%
158.38
US$1,016,800 		6,420 -2.1% 158.38 US$1,016,800
2026-05-12 2026-05-11 PlS Planned sale
Fields Kimberly A

President, CEO and Director

Executive Director
3,350 -1.1%
157.51
US$527,658 		3,350 -1.1% 157.51 US$527,658
2026-05-12 2026-05-11 PlS Planned sale
Fields Kimberly A

President, CEO and Director

Executive Director
5,568 -1.8%
156.29
US$870,223 		5,568 -1.8% 156.29 US$870,223
2026-05-12 2026-05-11 PlS Planned sale
Fields Kimberly A

President, CEO and Director

Executive Director
1,300 -0.4%
154.02
US$200,226 		1,300 -0.4% 154.02 US$200,226
2026-05-11 2026-05-11 PrS Proposed sale
Fields Kimberly A

Officer; Director

Executive Director
40,000
156.00
US$6,240,000 		40,000 156.00 US$6,240,000
2026-03-11 2026-03-09 PrS Proposed sale
1.4
Morehouse David J

Director

Non-Executive Director
6,609
154.26
US$1,019,483 		6,609 154.26 US$1,019,483
2026-03-11 2026-03-09 S Sale
1.4
Morehouse David J
Non-Executive Director
5,324 -12.2%
154.53
US$822,718 		5,324 -12.2% 154.53 US$822,718
2026-03-11 2026-03-09 S Sale
1.4
Morehouse David J
Non-Executive Director
1,285 -2.9%
153.11
US$196,746 		1,285 -2.9% 153.11 US$196,746
2026-02-19 2026-02-17 PlS Planned sale
2.2
WETHERBEE ROBERT S

Executive Chairman

Executive Director
8,403 -2.6%
145.17
US$1,219,864 		8,403 -2.6% 145.17 US$1,219,864
2026-02-19 2026-02-17 PlS Planned sale
2.2
WETHERBEE ROBERT S

Executive Chairman

Executive Director
12,435 -3.8%
144.01
US$1,790,764 		12,435 -3.8% 144.01 US$1,790,764
2026-02-17 2026-02-17 PrS Proposed sale
2.2
WETHERBEE ROBERT S

Officer; Director

Executive Director
60,000
143.46
US$8,607,600 		60,000 143.46 US$8,607,600
2026-02-19 2026-02-10 PlS Planned sale
2.2
WETHERBEE ROBERT S

Executive Chairman

Executive Director
10,438 -3.7%
146.67
US$1,530,941 		10,438 -3.7% 146.67 US$1,530,941
2026-02-10 2026-02-10 PrS Proposed sale
2.2
WETHERBEE ROBERT S

Officer; Director

Executive Director
60,000
135.90
US$8,154,000 		60,000 135.90 US$8,154,000
2025-12-19 2025-12-18 PlS Planned sale
2.2
WETHERBEE ROBERT S

Executive Chairman

Executive Director
47,355 -26.3%
109.57
US$5,188,687 		47,355 -26.3% 109.57 US$5,188,687
2025-12-19 2025-12-18 PlS Planned sale
2.2
WETHERBEE ROBERT S

Executive Chairman

Executive Director
6,507 -3.5%
108.86
US$708,352 		6,507 -3.5% 108.86 US$708,352
2025-12-18 2025-12-18 PrS Proposed sale
2.2
WETHERBEE ROBERT S

Officer; Director

Executive Director
60,000
109.57
US$6,574,476 		60,000 109.57 US$6,574,476
2025-12-02 2025-12-02 PrS Proposed sale
2.2
WETHERBEE ROBERT S

Officer; Director

Executive Director
60,000
99.92
US$5,995,200 		60,000 99.92 US$5,995,200
2025-11-25 2025-11-25 PrS Proposed sale
Harris Timothy J

Officer

Officer
10,542
98.82
US$1,041,760 		10,542 98.82 US$1,041,760
2025-11-25 2025-11-25 PlS Planned sale
Harris Timothy J

Senior VP and CDIO

Officer
10,542 -9.7%
97.88
US$1,031,851 		10,542 -9.7% 97.88 US$1,031,851
2025-11-25 2025-11-21 S Sale
2.3
Busch Tina Killough

SVP, CHRO

Officer
2,598 -10.9%
93.26
US$242,289 		2,598 -10.9% 93.26 US$242,289
2025-11-21 2025-11-21 PrS Proposed sale
2.3
Busch Tina Killough

Officer

Officer
2,598
93.26
US$242,289 		2,598 93.26 US$242,289
2025-11-20 2025-11-18 PlS Planned sale
Harris Timothy J

Senior VP and CDIO

Officer
10,542 -8.8%
97.77
US$1,030,691 		10,542 -8.8% 97.77 US$1,030,691
2025-11-20 2025-11-18 PlS Planned sale
2.2
WETHERBEE ROBERT S

Executive Chairman

Executive Director
26,998 -9.9%
98.80
US$2,667,402 		26,998 -9.9% 98.80 US$2,667,402
2025-11-20 2025-11-18 PlS Planned sale
2.2
WETHERBEE ROBERT S

Executive Chairman

Executive Director
24,711 -8.3%
98.21
US$2,426,867 		24,711 -8.3% 98.21 US$2,426,867
2025-11-20 2025-11-18 PlS Planned sale
2.2
WETHERBEE ROBERT S

Executive Chairman

Executive Director
8,291 -2.7%
97.20
US$805,885 		8,291 -2.7% 97.20 US$805,885
2025-11-18 2025-11-18 PrS Proposed sale
2.2
WETHERBEE ROBERT S

Officer; Director

Executive Director
60,000
97.77
US$5,866,200 		60,000 97.77 US$5,866,200
2025-11-18 2025-11-18 PrS Proposed sale
Harris Timothy J

Officer

Officer
10,542
97.77
US$1,030,691 		10,542 97.77 US$1,030,691
2025-11-12 2025-11-11 PrS Proposed sale
Harris Timothy J

Officer

Officer
10,543
97.69
US$1,029,946 		10,543 97.69 US$1,029,946
2025-11-12 2025-11-11 PlS Planned sale
Harris Timothy J

Senior VP and CDIO

Officer
10,543 -8.1%
97.69
US$1,029,946 		10,543 -8.1% 97.69 US$1,029,946
2025-11-05 2025-11-04 PlS Planned sale
Harris Timothy J

Senior VP and CDIO

Officer
10,543 -7.5%
96.07
US$1,012,866 		10,543 -7.5% 96.07 US$1,012,866
2025-11-04 2025-11-04 PrS Proposed sale
Harris Timothy J

Officer

Officer
10,543
96.07
US$1,012,866 		10,543 96.07 US$1,012,866
2025-10-16 2025-10-15 PlS Planned sale
Fields Kimberly A

President, CEO and Director

Executive Director
21,153 -9.5%
85.87
US$1,816,408 		21,153 -9.5% 85.87 US$1,816,408
2025-10-15 2025-10-15 PrS Proposed sale
Fields Kimberly A

Officer; Director

Executive Director
21,153
85.87
US$1,816,408 		21,153 85.87 US$1,816,408
2025-10-08 2025-10-06 PlS Planned sale
Fields Kimberly A

President, CEO and Director

Executive Director
21,154 -8.6%
82.03
US$1,735,263 		21,154 -8.6% 82.03 US$1,735,263
2025-10-06 2025-10-06 PrS Proposed sale
Fields Kimberly A

Officer; Director

Executive Director
21,154
82.03
US$1,735,263 		21,154 82.03 US$1,735,263
2025-09-23 2025-09-22 PlS Planned sale
Fields Kimberly A

President, CEO and Director

Executive Director
20,312 -7.7%
80.33
US$1,631,663 		20,312 -7.7% 80.33 US$1,631,663
2025-09-22 2025-09-22 PrS Proposed sale
Fields Kimberly A

Officer; Director

Executive Director
20,312
80.33
US$1,631,663 		20,312 80.33 US$1,631,663
2025-09-10 2025-09-09 PlS Planned sale
Fields Kimberly A

President & CEO

Officer
15,941 -5.7%
77.52
US$1,235,746 		15,941 -5.7% 77.52 US$1,235,746
2025-09-09 2025-09-09 PrS Proposed sale
Fields Kimberly A

Officer; Director

Executive Director
15,941
77.52
US$1,235,746 		15,941 77.52 US$1,235,746
2025-08-06 2025-08-05 PlS Planned sale
2.2
WETHERBEE ROBERT S

Executive Chairman

Executive Director
2,003 -0.6%
76.10
US$152,428 		2,003 -0.6% 76.10 US$152,428
2025-08-06 2025-08-05 PlS Planned sale
2.2
WETHERBEE ROBERT S

Executive Chairman

Executive Director
7,220 -2.3%
75.30
US$543,666 		7,220 -2.3% 75.30 US$543,666
2025-08-06 2025-08-05 PlS Planned sale
2.2
WETHERBEE ROBERT S

Executive Chairman

Executive Director
40,777 -11.4%
74.48
US$3,037,071 		40,777 -11.4% 74.48 US$3,037,071
2025-08-05 2025-08-05 PrS Proposed sale
2.2
WETHERBEE ROBERT S

Officer; Director

Executive Director
50,000
74.66
US$3,733,125 		50,000 74.66 US$3,733,125
2025-08-06 2025-08-04 S Sale
1.4
Morehouse David J
Non-Executive Director
200 -0.4%
76.30
US$15,260 		200 -0.4% 76.30 US$15,260
Explore more

More insider trading research around ATI Inc

More insider trades in United States
Similar Industrials companies with insider activity
More Industrial Goods companies with insider activity
More Aerospace & Defense companies with insider activity
Insider trading in North America