Stocks
ATI Ati Inc

ATI

Ati Inc

Company with tickers: ATI

CIK

1018963

CUSIP

01741R102

Shares Outstanding

136,470,427

13F Activity (30d)

542 filings 535 filers

Date	Insider	Role	Type	Shares	Price	Value	After
2026-05-19	BALL M LEROY	Director, CEO	Award	905	—	—	34,737
2026-05-19	Carlisle Herbert J	Director	Award	905	—	—	37,556
2026-05-19	Corvi Carolyn	Director	Award	905	—	—	71,145
2026-05-19	Hess David P	Director	Award	905	—	—	34,945
2026-05-19	Kah Marianne	Director	Award	905	—	—	35,075
2026-05-19	Lund Elizabeth Hefley	Director	Award	905	—	—	1,536
2026-05-19	Lydon-Rodgers Jean	Director	Award	905	—	—	1,536
2026-05-19	Morehouse David J	Director	Award	1,743	—	—	38,311
2026-05-19	Sharma Ruby	Director	Award	905	—	—	7,285
2026-05-11	Fields Kimberly A	Director	Sell	6,420	$158.38	$1,016,800	301,125
2026-05-11	Fields Kimberly A	Director	Sell	1,300	$154.02	$200,226	316,463
2026-05-11	Fields Kimberly A	Director	Sell	11,982	$160.60	$1,924,309	286,543
2026-05-11	Fields Kimberly A	Director	Sell	8,780	$161.12	$1,414,634	277,763
2026-05-11	Fields Kimberly A	Director	Sell	2,600	$159.38	$414,388	298,525
2026-05-11	Fields Kimberly A	Director	Sell	3,350	$157.51	$527,659	307,545
2026-05-11	Fields Kimberly A	Director	Sell	5,568	$156.29	$870,223	310,895
2026-03-20	Bhatia Vaishali S.	EVP, General Counsel & Sec	Tax	3,509	$143.95	$505,121	58,420
2026-03-09	Morehouse David J	Director	Sell	5,324	$154.53	$822,718	38,168
2026-03-09	Morehouse David J	Director	Sell	1,285	$153.11	$196,746	43,492
2026-03-02	Miller Michael Benjamin	Chief Accounting Officer	Tax	413	$164.00	$67,732	7,639
2026-02-17	BALL M LEROY	Director, CEO	Gift	350	—	—	33,832
2026-02-17	WETHERBEE ROBERT S	Director	Sell	28,724	$146.07	$4,195,715	280,061
2026-02-17	WETHERBEE ROBERT S	Director	Sell	8,403	$145.17	$1,219,864	308,785
2026-02-17	WETHERBEE ROBERT S	Director	Sell	12,435	$144.01	$1,790,764	317,188
2026-02-10	WETHERBEE ROBERT S	Director	Sell	10,438	$146.67	$1,530,941	269,623
2026-01-05	Miller Michael Benjamin	Chief Accounting Officer	Tax	374	$121.08	$45,284	8,052
2026-01-05	Miller Michael Benjamin	Chief Accounting Officer	Award	854	—	—	8,426
2026-01-05	Fields Kimberly A	Director	Award	12,510	—	—	215,178
2026-01-05	Fields Kimberly A	Director	Tax	38,871	$121.08	$4,706,501	274,927
2026-01-05	Fields Kimberly A	Director	Convert	98,620	—	—	313,798
2026-01-05	Fields Kimberly A	Director	Tax	32,352	$121.08	$3,917,180	324,791
2026-01-05	Fields Kimberly A	Director	Convert	35,898	—	—	35,897
2026-01-05	Fields Kimberly A	Director	Award	82,216	—	—	357,143
2026-01-05	Fields Kimberly A	Director	Tax	7,028	$121.08	$850,950	317,763
2026-01-05	Bhatia Vaishali S.	EVP, General Counsel & Sec	Award	3,152	—	—	63,873
2026-01-05	Bhatia Vaishali S.	EVP, General Counsel & Sec	Tax	1,944	$121.08	$235,380	61,929
2026-01-05	Foster James Robert	SVP, Finance and CFO	Award	3,127	—	—	32,749
2026-01-05	Foster James Robert	SVP, Finance and CFO	Tax	2,835	$121.08	$343,262	60,243
2026-01-05	Foster James Robert	SVP, Finance and CFO	Tax	18,453	$121.08	$2,234,289	56,561
2026-01-05	Foster James Robert	SVP, Finance and CFO	Convert	42,265	—	—	75,014
2026-01-05	Foster James Robert	SVP, Finance and CFO	Award	6,517	—	—	63,078
2026-01-05	Foster James Robert	SVP, Finance and CFO	Tax	2,256	$121.08	$273,156	57,987
2026-01-05	Foster James Robert	SVP, Finance and CFO	Convert	25,641	—	—	25,641
2026-01-05	WETHERBEE ROBERT S	Director	Tax	69,369	$121.08	$8,399,199	293,275
2026-01-05	WETHERBEE ROBERT S	Director	Tax	72,907	$121.08	$8,827,580	405,644
2026-01-05	WETHERBEE ROBERT S	Director	Award	185,276	—	—	478,551
2026-01-05	WETHERBEE ROBERT S	Director	Convert	64,103	—	—	64,102
2026-01-05	WETHERBEE ROBERT S	Director	Tax	16,021	$121.08	$1,939,823	389,623
2026-01-05	WETHERBEE ROBERT S	Director	Convert	362,644	—	—	186,538
2026-01-05	Harris Timothy J	Senior VP and CDIO	Award	46,318	—	—	186,829
2026-01-05	Harris Timothy J	Senior VP and CDIO	Tax	3,359	$121.08	$406,708	163,187
2026-01-05	Harris Timothy J	Senior VP and CDIO	Award	2,677	—	—	100,987
2026-01-05	Harris Timothy J	Senior VP and CDIO	Convert	25,641	—	—	25,641
2026-01-05	Harris Timothy J	Senior VP and CDIO	Tax	20,283	$121.08	$2,455,866	166,546
2026-01-05	Harris Timothy J	Senior VP and CDIO	Tax	30,918	$121.08	$3,743,551	140,511
2026-01-05	Harris Timothy J	Senior VP and CDIO	Convert	70,442	—	—	171,429
2026-01-01	Foster James Robert	SVP, Finance and CFO	Other	0	—	—	0
2026-01-01	Foster James Robert	SVP, Finance and CFO	Other	0	—	—	0
2026-01-01	Foster James Robert	SVP, Finance and CFO	Other	29,622	—	—	29,622
2025-12-18	WETHERBEE ROBERT S	Director	Sell	6,158	$110.34	$679,474	126,518
2025-12-18	WETHERBEE ROBERT S	Director	Sell	6,507	$108.86	$708,352	180,031
2025-12-18	WETHERBEE ROBERT S	Director	Sell	47,355	$109.57	$5,188,687	132,676
2025-12-05	Fields Kimberly A	Director	Award	34,188	—	—	34,188
2025-12-05	Harris Timothy J	Senior VP and CDIO	Award	6,837	—	—	6,837
2025-12-05	Bhatia Vaishali S.	EVP, General Counsel & Sec	Award	6,837	—	—	6,837
2025-12-05	Miller Michael Benjamin	Chief Accounting Officer	Award	1,709	—	—	1,709
2025-11-25	Harris Timothy J	Senior VP and CDIO	Sell	10,542	$97.88	$1,031,851	98,310
2025-11-21	Busch Tina Killough	SVP, CHRO	Sell	2,598	$93.26	$242,289	21,274
2025-11-19	Lund Elizabeth Hefley	Director	Award	631	—	—	631
2025-11-19	BALL M LEROY	Director, CEO	Gift	185	—	—	34,182
2025-11-19	Lydon-Rodgers Jean	Director	Award	631	—	—	631
2025-11-18	WETHERBEE ROBERT S	Director	Sell	8,291	$97.20	$805,885	298,247
2025-11-18	WETHERBEE ROBERT S	Director	Sell	26,998	$98.80	$2,667,402	246,538
2025-11-18	WETHERBEE ROBERT S	Director	Sell	24,711	$98.21	$2,426,867	273,536
2025-11-18	Harris Timothy J	Senior VP and CDIO	Sell	10,542	$97.77	$1,030,691	108,852
2025-11-11	Harris Timothy J	Senior VP and CDIO	Sell	10,543	$97.69	$1,029,946	119,394
2025-11-04	Harris Timothy J	Senior VP and CDIO	Sell	10,543	$96.07	$1,012,866	129,937
2025-11-01	Lydon-Rodgers Jean	Director	Other	0	—	—	0
2025-11-01	Lund Elizabeth Hefley	Director	Other	0	—	—	0
2025-10-15	Fields Kimberly A	Director	Sell	21,153	$85.87	$1,816,408	202,668
2025-10-10	Busch Tina Killough	SVP, CHRO	Tax	2,122	$81.21	$172,328	23,872
2025-10-06	Fields Kimberly A	Director	Sell	21,154	$82.03	$1,735,263	223,821
2025-09-22	Fields Kimberly A	Director	Sell	20,312	$80.33	$1,631,663	244,975
2025-09-09	Fields Kimberly A	Director	Sell	15,941	$77.52	$1,235,746	265,287
2025-08-05	WETHERBEE ROBERT S	Director	Sell	40,777	$74.48	$3,037,071	315,761
2025-08-05	WETHERBEE ROBERT S	Director	Sell	2,003	$76.10	$152,428	306,538
2025-08-05	WETHERBEE ROBERT S	Director	Sell	7,220	$75.30	$543,666	308,541
2025-08-04	Morehouse David J	Director	Sell	200	$76.30	$15,260	44,777
2025-08-04	Morehouse David J	Director	Sell	7,700	$75.80	$583,660	44,977
2025-06-12	WETHERBEE ROBERT S	Director	Sell	25,531	$84.30	$2,152,263	367,902
2025-06-12	WETHERBEE ROBERT S	Director	Sell	11,364	$84.30	$957,985	356,538
2025-06-12	WETHERBEE ROBERT S	Director	Sell	13,105	$82.89	$1,086,273	393,433
2025-06-03	WETHERBEE ROBERT S	Director	Sell	50,000	$81.64	$4,082,000	406,538
2025-05-20	Carlisle Herbert J	Director	Award	1,655	—	—	36,651
2025-05-20	BALL M LEROY	Director, CEO	Award	1,655	—	—	34,367
2025-05-20	Sharma Ruby	Director	Award	1,655	—	—	6,380
2025-05-20	Morehouse David J	Director	Award	3,311	—	—	52,677
2025-05-20	Kah Marianne	Director	Award	1,655	—	—	34,170
2025-05-20	Hess David P	Director	Award	3,509	—	—	34,040
2025-05-20	HARVEY J BRETT	Director	Award	4,039	—	—	98,865