ALLEGHENY TECHNOLOGIES INC

Ticker: ATI CUSIP: 01741R102 Class: EQTY

GREAT WEST LIFE ASSURANCE CO /CAN/'s Holding History (CIK: 0001046192)

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

Q4 2025

Shares 79,476 Value ($000) $9 Avg Close $97.45 Range $79.29 - $117.48

Q3 2025

Shares 105,554 Value ($000) $8 Avg Close $81.04 Range $70.42 - $96.20

Q2 2025

Shares 80,294 Value ($000) $7 Avg Close $68.45 Range $39.23 - $87.75

Q1 2025

Shares 103,972 Value ($000) $5 Avg Close $56.77 Range $49.07 - $66.80

Q4 2024

Shares 134,994 Value ($000) $7 Avg Close $58.97 Range $52.45 - $67.09

Q3 2024

Shares 146,513 Value ($000) $10 Avg Close $62.09 Range $53.90 - $68.92

Q2 2024

Shares 151,929 Value ($000) $8 Avg Close $56.03 Range $47.90 - $62.44

Q1 2024

Shares 126,978 Value ($000) $6 Avg Close $45.22 Range $38.04 - $51.95

Q4 2023

Shares 105,091 Value ($000) $5 Avg Close $41.52 Range $35.03 - $46.57

Q3 2023

Shares 113,441 Value ($000) $5 Avg Close $44.44 Range $41.04 - $47.92

Q2 2023

Shares 114,474 Value ($000) $5 Avg Close $38.25 Range $34.10 - $44.39

Q1 2023

Shares 125,108 Value ($000) $5 Avg Close $37.76 Range $29.37 - $43.32

Q4 2022

Shares 133,496 Value ($000) $4 Avg Close $29.27 Range $25.39 - $31.74

Q3 2022

Shares 144,249 Value ($000) $3,843 Avg Close $27.84 Range $20.52 - $33.31

Q2 2022

Shares 123,266 Value ($000) $2,797 Avg Close $26.35 Range $20.87 - $30.74

Q1 2022

Shares 110,936 Value ($000) $3,056 Avg Close $23.18 Range $16.02 - $28.45

Q4 2021

Shares 109,456 Value ($000) $1,744 Avg Close $16.05 Range $13.85 - $18.33

Q3 2021

Shares 112,039 Value ($000) $1,878 Avg Close $18.91 Range $15.75 - $22.33

Q2 2021

Shares 109,729 Value ($000) $2,286 Avg Close $22.93 Range $20.15 - $25.04

Q1 2021

Shares 111,103 Value ($000) $2,345 Avg Close $19.55 Range $15.97 - $22.87

Q4 2020

Shares 125,408 Value ($000) $2,103 Avg Close $12.70 Range $8.24 - $17.60

Q3 2020

Shares 142,720 Value ($000) $1,243 Avg Close $9.20 Range $8.04 - $11.06

Q2 2020

Shares 65,566 Value ($000) $668 Avg Close $8.67 Range $6.21 - $12.60

Q1 2020

Shares 65,146 Value ($000) $555 Avg Close $15.97 Range $4.95 - $20.91

Q4 2019

Shares 59,833 Value ($000) $1,227 Avg Close $21.68 Range $18.98 - $24.17

Q2 2019

Shares 73,530 Value ($000) $1,852 Avg Close $24.37 Range $21.15 - $27.49

Q1 2019

Shares 78,340 Value ($000) $2,002 Avg Close $26.33 Range $21.00 - $29.50

Q4 2018

Shares 76,044 Value ($000) $1,536 Avg Close $25.93 Range $20.84 - $29.84

Q3 2018

Shares 70,572 Value ($000) $2,086 Avg Close $26.89 Range $24.31 - $30.18

Q2 2018

Shares 73,286 Value ($000) $1,840 Avg Close $27.05 Range $22.93 - $29.87

Q1 2018

Shares 73,286 Value ($000) $1,736 Avg Close $26.83 Range $22.70 - $30.25

Q4 2017

Shares 74,286 Value ($000) $1,792 Avg Close $23.80 Range $21.01 - $26.59

Q3 2017

Shares 66,036 Value ($000) $1,557 Avg Close $19.78 Range $16.51 - $24.00

Q2 2017

Shares 67,616 Value ($000) $1,149 Avg Close $16.82 Range $14.54 - $20.11

Q1 2017

Shares 67,616 Value ($000) $1,213 Avg Close $18.80 Range $15.61 - $23.69

Q4 2016

Shares 65,315 Value ($000) $1,041 Avg Close $16.62 Range $13.15 - $19.20

Q3 2016

Shares 65,315 Value ($000) $1,179 Avg Close $16.54 Range $12.22 - $18.59

Q2 2016

Shares 65,315 Value ($000) $832 Avg Close $14.18 Range $10.81 - $17.83

Q1 2016

Shares 13,697 Value ($000) $223 Avg Close $12.00 Range $6.97 - $18.17

Q4 2015

Shares 40,187 Value ($000) $452 Avg Close $13.45 Range $9.91 - $18.65

Q3 2015

Shares 40,187 Value ($000) $572 Avg Close $20.12 Range $13.34 - $30.02

Q2 2015

Shares 35,927 Value ($000) $1,083 Avg Close $31.90 Range $27.97 - $36.35

Q1 2015

Shares 35,907 Value ($000) $1,075 Avg Close $29.80 Range $25.96 - $33.60

Q4 2014

Shares 35,914 Value ($000) $1,245 Avg Close $31.49 Range $28.73 - $35.21

Q3 2014

Shares 36,486 Value ($000) $1,358 Avg Close $39.92 Range $34.97 - $43.90

Q2 2014

Shares 35,169 Value ($000) $1,581 Avg Close $38.68 Range $35.44 - $42.89

Q1 2014

Shares 37,134 Value ($000) $1,390 Avg Close $31.60 Range $27.91 - $36.14

Q4 2013

Shares 37,310 Value ($000) $1,338 Avg Close $30.74 Range $27.52 - $33.68

Q3 2013

Shares 37,103 Value ($000) $1,129 Avg Close $26.04 Range $23.74 - $30.56

Q2 2013

Shares 439 Value ($000) $12 Avg Close $26.04 Range $23.70 - $29.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	79,476	$9	$97.45	$79.29 - $117.48
Q3 2025	105,554	$8	$81.04	$70.42 - $96.20
Q2 2025	80,294	$7	$68.45	$39.23 - $87.75
Q1 2025	103,972	$5	$56.77	$49.07 - $66.80
Q4 2024	134,994	$7	$58.97	$52.45 - $67.09
Q3 2024	146,513	$10	$62.09	$53.90 - $68.92
Q2 2024	151,929	$8	$56.03	$47.90 - $62.44
Q1 2024	126,978	$6	$45.22	$38.04 - $51.95
Q4 2023	105,091	$5	$41.52	$35.03 - $46.57
Q3 2023	113,441	$5	$44.44	$41.04 - $47.92
Q2 2023	114,474	$5	$38.25	$34.10 - $44.39
Q1 2023	125,108	$5	$37.76	$29.37 - $43.32
Q4 2022	133,496	$4	$29.27	$25.39 - $31.74
Q3 2022	144,249	$3,843	$27.84	$20.52 - $33.31
Q2 2022	123,266	$2,797	$26.35	$20.87 - $30.74
Q1 2022	110,936	$3,056	$23.18	$16.02 - $28.45
Q4 2021	109,456	$1,744	$16.05	$13.85 - $18.33
Q3 2021	112,039	$1,878	$18.91	$15.75 - $22.33
Q2 2021	109,729	$2,286	$22.93	$20.15 - $25.04
Q1 2021	111,103	$2,345	$19.55	$15.97 - $22.87
Q4 2020	125,408	$2,103	$12.70	$8.24 - $17.60
Q3 2020	142,720	$1,243	$9.20	$8.04 - $11.06
Q2 2020	65,566	$668	$8.67	$6.21 - $12.60
Q1 2020	65,146	$555	$15.97	$4.95 - $20.91
Q4 2019	59,833	$1,227	$21.68	$18.98 - $24.17
Q2 2019	73,530	$1,852	$24.37	$21.15 - $27.49
Q1 2019	78,340	$2,002	$26.33	$21.00 - $29.50
Q4 2018	76,044	$1,536	$25.93	$20.84 - $29.84
Q3 2018	70,572	$2,086	$26.89	$24.31 - $30.18
Q2 2018	73,286	$1,840	$27.05	$22.93 - $29.87
Q1 2018	73,286	$1,736	$26.83	$22.70 - $30.25
Q4 2017	74,286	$1,792	$23.80	$21.01 - $26.59
Q3 2017	66,036	$1,557	$19.78	$16.51 - $24.00
Q2 2017	67,616	$1,149	$16.82	$14.54 - $20.11
Q1 2017	67,616	$1,213	$18.80	$15.61 - $23.69
Q4 2016	65,315	$1,041	$16.62	$13.15 - $19.20
Q3 2016	65,315	$1,179	$16.54	$12.22 - $18.59
Q2 2016	65,315	$832	$14.18	$10.81 - $17.83
Q1 2016	13,697	$223	$12.00	$6.97 - $18.17
Q4 2015	40,187	$452	$13.45	$9.91 - $18.65
Q3 2015	40,187	$572	$20.12	$13.34 - $30.02
Q2 2015	35,927	$1,083	$31.90	$27.97 - $36.35
Q1 2015	35,907	$1,075	$29.80	$25.96 - $33.60
Q4 2014	35,914	$1,245	$31.49	$28.73 - $35.21
Q3 2014	36,486	$1,358	$39.92	$34.97 - $43.90
Q2 2014	35,169	$1,581	$38.68	$35.44 - $42.89
Q1 2014	37,134	$1,390	$31.60	$27.91 - $36.14
Q4 2013	37,310	$1,338	$30.74	$27.52 - $33.68
Q3 2013	37,103	$1,129	$26.04	$23.74 - $30.56
Q2 2013	439	$12	$26.04	$23.70 - $29.42