ALLEGHENY TECHNOLOGIES INC

Ticker: ATI CUSIP: 01741R102 Class: EQTY

COMERICA BANK's Holding History (CIK: 0000901541)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 72,427 Value ($000) $8,312 Avg Close $97.45 Range $79.29 - $117.48

Q3 2025

Shares 55,217 Value ($000) $4,491 Avg Close $81.04 Range $70.42 - $96.20

Q2 2025

Shares 115,452 Value ($000) $9,968 Avg Close $68.45 Range $39.23 - $87.75

Q1 2025

Shares 146,994 Value ($000) $7,648 Avg Close $56.77 Range $49.07 - $66.80

Q4 2024

Shares 186,749 Value ($000) $10,279 Avg Close $58.97 Range $52.45 - $67.09

Q3 2024

Shares 125,097 Value ($000) $8,370 Avg Close $62.09 Range $53.90 - $68.92

Q2 2024

Shares 134,217 Value ($000) $7,442 Avg Close $56.03 Range $47.90 - $62.44

Q1 2024

Shares 141,243 Value ($000) $7,227 Avg Close $45.22 Range $38.04 - $51.95

Q4 2023

Shares 59,535 Value ($000) $2,707 Avg Close $41.52 Range $35.03 - $46.57

Q3 2023

Shares 94,044 Value ($000) $3,870 Avg Close $44.44 Range $41.04 - $47.92

Q4 2022

Shares 120,730 Value ($000) $4 Avg Close $29.27 Range $25.39 - $31.74

Q3 2022

Shares 141,476 Value ($000) $4,135 Avg Close $27.84 Range $20.52 - $33.31

Q2 2022

Shares 172,152 Value ($000) $4,139 Avg Close $26.35 Range $20.87 - $30.74

Q1 2022

Shares 218,942 Value ($000) $6,559 Avg Close $23.18 Range $16.02 - $28.45

Q4 2021

Shares 194,653 Value ($000) $3,741 Avg Close $16.05 Range $13.85 - $18.33

Q3 2021

Shares 202,196 Value ($000) $3,229 Avg Close $18.91 Range $15.75 - $22.33

Q2 2021

Shares 119,436 Value ($000) $2,169 Avg Close $22.93 Range $20.15 - $25.04

Q1 2021

Shares 128,523 Value ($000) $3,004 Avg Close $19.55 Range $15.97 - $22.87

Q4 2020

Shares 133,794 Value ($000) $2,424 Avg Close $12.70 Range $8.24 - $17.60

Q3 2020

Shares 133,126 Value ($000) $1,285 Avg Close $9.20 Range $8.04 - $11.06

Q2 2020

Shares 77,107 Value ($000) $740 Avg Close $8.67 Range $6.21 - $12.60

Q1 2020

Shares 76,095 Value ($000) $494 Avg Close $15.97 Range $4.95 - $20.91

Q4 2019

Shares 76,496 Value ($000) $1,362 Avg Close $21.68 Range $18.98 - $24.17

Q3 2019

Shares 76,046 Value ($000) $1,462 Avg Close $21.15 Range $17.03 - $25.66

Q2 2019

Shares 76,257 Value ($000) $1,864 Avg Close $24.37 Range $21.15 - $27.49

Q1 2019

Shares 83,999 Value ($000) $2,269 Avg Close $26.33 Range $21.00 - $29.50

Q4 2018

Shares 83,257 Value ($000) $2,168 Avg Close $25.93 Range $20.84 - $29.84

Q3 2018

Shares 81,490 Value ($000) $2,180 Avg Close $26.89 Range $24.31 - $30.18

Q2 2018

Shares 95,744 Value ($000) $2,557 Avg Close $27.05 Range $22.93 - $29.87

Q1 2018

Shares 100,254 Value ($000) $2,638 Avg Close $26.83 Range $22.70 - $30.25

Q4 2017

Shares 100,478 Value ($000) $2,888 Avg Close $23.80 Range $21.01 - $26.59

Q3 2017

Shares 87,208 Value ($000) $2,136 Avg Close $19.78 Range $16.51 - $24.00

Q2 2017

Shares 87,347 Value ($000) $1,497 Avg Close $16.82 Range $14.54 - $20.11

Q1 2017

Shares 130,661 Value ($000) $2,425 Avg Close $18.80 Range $15.61 - $23.69

Q4 2016

Shares 139,425 Value ($000) $2,288 Avg Close $16.62 Range $13.15 - $19.20

Q3 2016

Shares 79,561 Value ($000) $1,444 Avg Close $16.54 Range $12.22 - $18.59

Q2 2016

Shares 78,621 Value ($000) $1,341 Avg Close $14.18 Range $10.81 - $17.83

Q1 2016

Shares 75,791 Value ($000) $1,280 Avg Close $12.00 Range $6.97 - $18.17

Q4 2015

Shares 77,306 Value ($000) $733 Avg Close $13.45 Range $9.91 - $18.65

Q3 2015

Shares 80,673 Value ($000) $1,144 Avg Close $20.12 Range $13.34 - $30.02

Q2 2015

Shares 58,074 Value ($000) $1,754 Avg Close $31.90 Range $27.97 - $36.35

Q1 2015

Shares 28,953 Value ($000) $869 Avg Close $29.80 Range $25.96 - $33.60

Q4 2014

Shares 56,664 Value ($000) $1,970 Avg Close $31.49 Range $28.73 - $35.21

Q3 2014

Shares 28,649 Value ($000) $1,063 Avg Close $39.92 Range $34.97 - $43.90

Q2 2014

Shares 29,594 Value ($000) $1,335 Avg Close $38.68 Range $35.44 - $42.89

Q1 2014

Shares 37,981 Value ($000) $1,431 Avg Close $31.60 Range $27.91 - $36.14

Q4 2013

Shares 38,571 Value ($000) $1,374 Avg Close $30.74 Range $27.52 - $33.68

Q3 2013

Shares 39,763 Value ($000) $1,213 Avg Close $26.04 Range $23.74 - $30.56

Q2 2013

Shares 43,366 Value ($000) $1,142 Avg Close $26.04 Range $23.70 - $29.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	72,427	$8,312	$97.45	$79.29 - $117.48
Q3 2025	55,217	$4,491	$81.04	$70.42 - $96.20
Q2 2025	115,452	$9,968	$68.45	$39.23 - $87.75
Q1 2025	146,994	$7,648	$56.77	$49.07 - $66.80
Q4 2024	186,749	$10,279	$58.97	$52.45 - $67.09
Q3 2024	125,097	$8,370	$62.09	$53.90 - $68.92
Q2 2024	134,217	$7,442	$56.03	$47.90 - $62.44
Q1 2024	141,243	$7,227	$45.22	$38.04 - $51.95
Q4 2023	59,535	$2,707	$41.52	$35.03 - $46.57
Q3 2023	94,044	$3,870	$44.44	$41.04 - $47.92
Q4 2022	120,730	$4	$29.27	$25.39 - $31.74
Q3 2022	141,476	$4,135	$27.84	$20.52 - $33.31
Q2 2022	172,152	$4,139	$26.35	$20.87 - $30.74
Q1 2022	218,942	$6,559	$23.18	$16.02 - $28.45
Q4 2021	194,653	$3,741	$16.05	$13.85 - $18.33
Q3 2021	202,196	$3,229	$18.91	$15.75 - $22.33
Q2 2021	119,436	$2,169	$22.93	$20.15 - $25.04
Q1 2021	128,523	$3,004	$19.55	$15.97 - $22.87
Q4 2020	133,794	$2,424	$12.70	$8.24 - $17.60
Q3 2020	133,126	$1,285	$9.20	$8.04 - $11.06
Q2 2020	77,107	$740	$8.67	$6.21 - $12.60
Q1 2020	76,095	$494	$15.97	$4.95 - $20.91
Q4 2019	76,496	$1,362	$21.68	$18.98 - $24.17
Q3 2019	76,046	$1,462	$21.15	$17.03 - $25.66
Q2 2019	76,257	$1,864	$24.37	$21.15 - $27.49
Q1 2019	83,999	$2,269	$26.33	$21.00 - $29.50
Q4 2018	83,257	$2,168	$25.93	$20.84 - $29.84
Q3 2018	81,490	$2,180	$26.89	$24.31 - $30.18
Q2 2018	95,744	$2,557	$27.05	$22.93 - $29.87
Q1 2018	100,254	$2,638	$26.83	$22.70 - $30.25
Q4 2017	100,478	$2,888	$23.80	$21.01 - $26.59
Q3 2017	87,208	$2,136	$19.78	$16.51 - $24.00
Q2 2017	87,347	$1,497	$16.82	$14.54 - $20.11
Q1 2017	130,661	$2,425	$18.80	$15.61 - $23.69
Q4 2016	139,425	$2,288	$16.62	$13.15 - $19.20
Q3 2016	79,561	$1,444	$16.54	$12.22 - $18.59
Q2 2016	78,621	$1,341	$14.18	$10.81 - $17.83
Q1 2016	75,791	$1,280	$12.00	$6.97 - $18.17
Q4 2015	77,306	$733	$13.45	$9.91 - $18.65
Q3 2015	80,673	$1,144	$20.12	$13.34 - $30.02
Q2 2015	58,074	$1,754	$31.90	$27.97 - $36.35
Q1 2015	28,953	$869	$29.80	$25.96 - $33.60
Q4 2014	56,664	$1,970	$31.49	$28.73 - $35.21
Q3 2014	28,649	$1,063	$39.92	$34.97 - $43.90
Q2 2014	29,594	$1,335	$38.68	$35.44 - $42.89
Q1 2014	37,981	$1,431	$31.60	$27.91 - $36.14
Q4 2013	38,571	$1,374	$30.74	$27.52 - $33.68
Q3 2013	39,763	$1,213	$26.04	$23.74 - $30.56
Q2 2013	43,366	$1,142	$26.04	$23.70 - $29.42