CENTURY ALUM CO

Ticker: CENX CUSIP: 156431108 Class: EQTY

BANK OF MONTREAL /CAN/'s Holding History (CIK: 0000927971)

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

Q4 2025

Shares 34,469 Value ($000) $1,350 Avg Close $31.24 Range $25.40 - $40.83

Q3 2025

Shares 29,822 Value ($000) $876 Avg Close $22.67 Range $17.75 - $30.08

Q2 2025

Shares 40,159 Value ($000) $724 Avg Close $16.98 Range $13.05 - $20.43

Q1 2025

Shares 172,089 Value ($000) $3,194 Avg Close $19.21 Range $16.30 - $22.92

Q4 2024

Shares 311,221 Value ($000) $5,670 Avg Close $19.65 Range $14.89 - $25.39

Q3 2024

Shares 366,848 Value ($000) $5,925 Avg Close $15.15 Range $11.40 - $21.37

Q2 2024

Shares 411,968 Value ($000) $6,900 Avg Close $17.02 Range $14.73 - $19.88

Q1 2024

Shares 93,389 Value ($000) $1,441 Avg Close $11.23 Range $9.65 - $15.60

Q4 2023

Shares 156,814 Value ($000) $1,987 Avg Close $7.85 Range $5.70 - $13.17

Q3 2023

Shares 146,649 Value ($000) $1,103 Avg Close $8.06 Range $6.42 - $9.38

Q2 2023

Shares 95,581 Value ($000) $931 Avg Close $8.69 Range $7.18 - $10.19

Q1 2023

Shares 122,504 Value ($000) $1,541 Avg Close $10.36 Range $7.87 - $12.97

Q4 2022

Shares 148,026 Value ($000) $1,243 Avg Close $7.55 Range $5.32 - $10.23

Q3 2022

Shares 147,942 Value ($000) $958 Avg Close $7.60 Range $5.27 - $10.21

Q2 2022

Shares 62,997 Value ($000) $499 Avg Close $15.54 Range $6.93 - $29.24

Q1 2022

Shares 83,375 Value ($000) $2,228 Avg Close $21.04 Range $14.85 - $30.36

Q4 2021

Shares 166,683 Value ($000) $2,742 Avg Close $14.64 Range $12.34 - $17.65

Q3 2021

Shares 179,300 Value ($000) $2,468 Avg Close $12.57 Range $10.39 - $15.09

Q2 2021

Shares 164,451 Value ($000) $2,159 Avg Close $14.40 Range $11.41 - $17.94

Q1 2021

Shares 144,396 Value ($000) $2,186 Avg Close $14.25 Range $9.04 - $19.60

Q4 2020

Shares 157,372 Value ($000) $2,093 Avg Close $9.07 Range $6.27 - $12.85

Q3 2020

Shares 104,407 Value ($000) $718 Avg Close $8.71 Range $6.72 - $11.33

Q2 2020

Shares 122,973 Value ($000) $857 Avg Close $5.29 Range $2.91 - $7.90

Q1 2020

Shares 124,515 Value ($000) $412 Avg Close $5.60 Range $3.01 - $8.23

Q4 2019

Shares 168,812 Value ($000) $1,270 Avg Close $6.93 Range $5.80 - $8.42

Q3 2019

Shares 140,671 Value ($000) $934 Avg Close $6.62 Range $5.02 - $7.89

Q2 2019

Shares 123,683 Value ($000) $854 Avg Close $7.43 Range $5.37 - $9.91

Q1 2019

Shares 148,886 Value ($000) $1,322 Avg Close $8.65 Range $6.98 - $9.98

Q4 2018

Shares 110,145 Value ($000) $805 Avg Close $9.06 Range $6.54 - $12.25

Q3 2018

Shares 116,889 Value ($000) $1,399 Avg Close $12.86 Range $11.04 - $15.58

Q2 2018

Shares 109,494 Value ($000) $1,724 Avg Close $16.93 Range $14.14 - $20.19

Q1 2018

Shares 127,924 Value ($000) $2,116 Avg Close $20.90 Range $15.56 - $24.77

Q4 2017

Shares 169,698 Value ($000) $3,332 Avg Close $15.31 Range $13.00 - $20.30

Q3 2017

Shares 174,186 Value ($000) $2,888 Avg Close $17.26 Range $12.94 - $20.68

Q2 2017

Shares 208,141 Value ($000) $3,243 Avg Close $13.95 Range $11.59 - $17.28

Q1 2017

Shares 232,782 Value ($000) $2,954 Avg Close $13.28 Range $8.39 - $16.53

Q4 2016

Shares 139,336 Value ($000) $1,285 Avg Close $8.55 Range $6.51 - $10.69

Q3 2016

Shares 123,953 Value ($000) $862 Avg Close $6.83 Range $5.53 - $8.45

Q2 2016

Shares 193,978 Value ($000) $1,228 Avg Close $7.02 Range $5.64 - $9.40

Q1 2016

Shares 91,292 Value ($000) $644 Avg Close $5.54 Range $2.63 - $8.94

Q4 2015

Shares 294,081 Value ($000) $1,300 Avg Close $4.29 Range $3.19 - $7.21

Q3 2015

Shares 132,730 Value ($000) $611 Avg Close $6.98 Range $4.07 - $10.59

Q2 2015

Shares 1,481,085 Value ($000) $15,448 Avg Close $12.74 Range $10.13 - $14.98

Q1 2015

Shares 97,198 Value ($000) $1,341 Avg Close $20.13 Range $12.87 - $26.97

Q4 2014

Shares 81,464 Value ($000) $1,988 Avg Close $25.81 Range $20.79 - $31.75

Q3 2014

Shares 168,317 Value ($000) $4,371 Avg Close $22.02 Range $15.77 - $29.54

Q2 2014

Shares 122,881 Value ($000) $1,927 Avg Close $14.18 Range $12.63 - $15.94

Q1 2014

Shares 150,968 Value ($000) $1,995 Avg Close $11.63 Range $9.67 - $13.37

Q4 2013

Shares 159,731 Value ($000) $1,671 Avg Close $8.91 Range $7.80 - $10.49

Q3 2013

Shares 160,682 Value ($000) $1,290 Avg Close $8.84 Range $7.65 - $10.53

Q2 2013

Shares 169,771 Value ($000) $1,576 Avg Close $8.61 Range $6.26 - $10.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	34,469	$1,350	$31.24	$25.40 - $40.83
Q3 2025	29,822	$876	$22.67	$17.75 - $30.08
Q2 2025	40,159	$724	$16.98	$13.05 - $20.43
Q1 2025	172,089	$3,194	$19.21	$16.30 - $22.92
Q4 2024	311,221	$5,670	$19.65	$14.89 - $25.39
Q3 2024	366,848	$5,925	$15.15	$11.40 - $21.37
Q2 2024	411,968	$6,900	$17.02	$14.73 - $19.88
Q1 2024	93,389	$1,441	$11.23	$9.65 - $15.60
Q4 2023	156,814	$1,987	$7.85	$5.70 - $13.17
Q3 2023	146,649	$1,103	$8.06	$6.42 - $9.38
Q2 2023	95,581	$931	$8.69	$7.18 - $10.19
Q1 2023	122,504	$1,541	$10.36	$7.87 - $12.97
Q4 2022	148,026	$1,243	$7.55	$5.32 - $10.23
Q3 2022	147,942	$958	$7.60	$5.27 - $10.21
Q2 2022	62,997	$499	$15.54	$6.93 - $29.24
Q1 2022	83,375	$2,228	$21.04	$14.85 - $30.36
Q4 2021	166,683	$2,742	$14.64	$12.34 - $17.65
Q3 2021	179,300	$2,468	$12.57	$10.39 - $15.09
Q2 2021	164,451	$2,159	$14.40	$11.41 - $17.94
Q1 2021	144,396	$2,186	$14.25	$9.04 - $19.60
Q4 2020	157,372	$2,093	$9.07	$6.27 - $12.85
Q3 2020	104,407	$718	$8.71	$6.72 - $11.33
Q2 2020	122,973	$857	$5.29	$2.91 - $7.90
Q1 2020	124,515	$412	$5.60	$3.01 - $8.23
Q4 2019	168,812	$1,270	$6.93	$5.80 - $8.42
Q3 2019	140,671	$934	$6.62	$5.02 - $7.89
Q2 2019	123,683	$854	$7.43	$5.37 - $9.91
Q1 2019	148,886	$1,322	$8.65	$6.98 - $9.98
Q4 2018	110,145	$805	$9.06	$6.54 - $12.25
Q3 2018	116,889	$1,399	$12.86	$11.04 - $15.58
Q2 2018	109,494	$1,724	$16.93	$14.14 - $20.19
Q1 2018	127,924	$2,116	$20.90	$15.56 - $24.77
Q4 2017	169,698	$3,332	$15.31	$13.00 - $20.30
Q3 2017	174,186	$2,888	$17.26	$12.94 - $20.68
Q2 2017	208,141	$3,243	$13.95	$11.59 - $17.28
Q1 2017	232,782	$2,954	$13.28	$8.39 - $16.53
Q4 2016	139,336	$1,285	$8.55	$6.51 - $10.69
Q3 2016	123,953	$862	$6.83	$5.53 - $8.45
Q2 2016	193,978	$1,228	$7.02	$5.64 - $9.40
Q1 2016	91,292	$644	$5.54	$2.63 - $8.94
Q4 2015	294,081	$1,300	$4.29	$3.19 - $7.21
Q3 2015	132,730	$611	$6.98	$4.07 - $10.59
Q2 2015	1,481,085	$15,448	$12.74	$10.13 - $14.98
Q1 2015	97,198	$1,341	$20.13	$12.87 - $26.97
Q4 2014	81,464	$1,988	$25.81	$20.79 - $31.75
Q3 2014	168,317	$4,371	$22.02	$15.77 - $29.54
Q2 2014	122,881	$1,927	$14.18	$12.63 - $15.94
Q1 2014	150,968	$1,995	$11.63	$9.67 - $13.37
Q4 2013	159,731	$1,671	$8.91	$7.80 - $10.49
Q3 2013	160,682	$1,290	$8.84	$7.65 - $10.53
Q2 2013	169,771	$1,576	$8.61	$6.26 - $10.60