COMPASS MINERALS INTL INC

Ticker: CMP CUSIP: 20451N101 Class: Common Stock

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

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

Q4 2025

Shares 50,741 Value ($000) $997 Avg Close $18.50 Range $16.40 - $21.43

Q3 2025

Shares 44,164 Value ($000) $848 Avg Close $19.87 Range $17.67 - $22.69

Q2 2025

Shares 64,540 Value ($000) $1,297 Avg Close $16.16 Range $8.60 - $20.96

Q1 2025

Shares 62,243 Value ($000) $578 Avg Close $11.42 Range $9.03 - $14.38

Q4 2024

Shares 428,127 Value ($000) $4,816 Avg Close $13.06 Range $10.33 - $15.82

Q3 2024

Shares 525,097 Value ($000) $6,506 Avg Close $10.60 Range $7.51 - $13.53

Q2 2024

Shares 230,764 Value ($000) $2,677 Avg Close $12.90 Range $10.29 - $15.89

Q1 2024

Shares 53,659 Value ($000) $853 Avg Close $20.87 Range $13.60 - $25.35

Q4 2023

Shares 56,354 Value ($000) $1,474 Avg Close $25.24 Range $22.51 - $28.33

Q3 2023

Shares 51,436 Value ($000) $1,556 Avg Close $31.63 Range $26.16 - $39.06

Q2 2023

Shares 43,838 Value ($000) $1,555 Avg Close $32.48 Range $28.25 - $36.63

Q1 2023

Shares 53,740 Value ($000) $2,086 Avg Close $38.98 Range $29.74 - $46.44

Q4 2022

Shares 49,129 Value ($000) $2,215 Avg Close $40.16 Range $35.70 - $45.36

Q3 2022

Shares 54,578 Value ($000) $2,198 Avg Close $36.91 Range $29.66 - $43.04

Q2 2022

Shares 44,952 Value ($000) $1,970 Avg Close $47.72 Range $30.80 - $65.21

Q1 2022

Shares 53,798 Value ($000) $3,410 Avg Close $54.63 Range $48.30 - $62.43

Q4 2021

Shares 47,872 Value ($000) $2,497 Avg Close $58.48 Range $45.15 - $72.31

Q3 2021

Shares 45,888 Value ($000) $2,942 Avg Close $62.54 Range $54.26 - $68.27

Q2 2021

Shares 49,297 Value ($000) $3,196 Avg Close $62.42 Range $54.73 - $67.43

Q1 2021

Shares 43,594 Value ($000) $2,772 Avg Close $59.57 Range $53.04 - $65.79

Q4 2020

Shares 36,946 Value ($000) $2,343 Avg Close $57.09 Range $49.77 - $61.48

Q3 2020

Shares 25,876 Value ($000) $1,634 Avg Close $50.16 Range $41.98 - $55.64

Q2 2020

Shares 18,917 Value ($000) $884 Avg Close $41.66 Range $30.71 - $50.05

Q1 2020

Shares 16,326 Value ($000) $603 Avg Close $48.21 Range $31.47 - $58.31

Q4 2019

Shares 28,927 Value ($000) $1,764 Avg Close $49.59 Range $45.73 - $54.07

Q3 2019

Shares 21,384 Value ($000) $1,208 Avg Close $46.24 Range $40.75 - $51.26

Q2 2019

Shares 18,687 Value ($000) $1,026 Avg Close $46.99 Range $43.48 - $50.69

Q1 2019

Shares 19,928 Value ($000) $1,084 Avg Close $42.46 Range $32.98 - $48.11

Q4 2018

Shares 16,131 Value ($000) $673 Avg Close $43.49 Range $31.88 - $56.95

Q3 2018

Shares 17,020 Value ($000) $1,143 Avg Close $53.24 Range $48.77 - $57.91

Q2 2018

Shares 24,135 Value ($000) $1,587 Avg Close $53.77 Range $47.64 - $57.33

Q1 2018

Shares 29,812 Value ($000) $1,798 Avg Close $53.63 Range $45.47 - $60.97

Q4 2017

Shares 54,633 Value ($000) $3,948 Avg Close $53.16 Range $50.45 - $58.03

Q3 2017

Shares 54,540 Value ($000) $3,539 Avg Close $52.24 Range $47.01 - $55.89

Q2 2017

Shares 44,272 Value ($000) $2,891 Avg Close $51.48 Range $48.29 - $53.91

Q1 2017

Shares 48,730 Value ($000) $3,305 Avg Close $58.33 Range $50.29 - $64.38

Q4 2016

Shares 67,131 Value ($000) $5,206 Avg Close $57.67 Range $53.18 - $62.97

Q3 2016

Shares 50,466 Value ($000) $3,719 Avg Close $54.44 Range $50.92 - $57.62

Q2 2016

Shares 49,993 Value ($000) $3,710 Avg Close $56.40 Range $49.77 - $60.87

Q1 2016

Shares 44,137 Value ($000) $3,127 Avg Close $52.78 Range $48.71 - $56.62

Q4 2015

Shares 39,091 Value ($000) $2,943 Avg Close $59.61 Range $52.17 - $63.00

Q3 2015

Shares 9,188 Value ($000) $722 Avg Close $59.53 Range $56.23 - $62.65

Q2 2015

Shares 10,754 Value ($000) $883 Avg Close $63.39 Range $59.23 - $68.67

Q1 2015

Shares 11,002 Value ($000) $1,026 Avg Close $65.22 Range $60.90 - $68.52

Q4 2014

Shares 13,213 Value ($000) $1,148 Avg Close $60.85 Range $55.96 - $66.04

Q3 2014

Shares 19,351 Value ($000) $1,631 Avg Close $63.23 Range $59.25 - $68.53

Q2 2014

Shares 42,170 Value ($000) $4,038 Avg Close $63.15 Range $57.57 - $67.35

Q1 2014

Shares 21,892 Value ($000) $1,807 Avg Close $57.46 Range $53.12 - $61.48

Q4 2013

Shares 22,435 Value ($000) $1,796 Avg Close $51.71 Range $48.78 - $56.70

Q3 2013

Shares 20,478 Value ($000) $1,562 Avg Close $54.32 Range $43.88 - $62.76

Q2 2013

Shares 19,965 Value ($000) $1,687 Avg Close $57.41 Range $51.74 - $61.58

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	50,741	$997	$18.50	$16.40 - $21.43
Q3 2025	44,164	$848	$19.87	$17.67 - $22.69
Q2 2025	64,540	$1,297	$16.16	$8.60 - $20.96
Q1 2025	62,243	$578	$11.42	$9.03 - $14.38
Q4 2024	428,127	$4,816	$13.06	$10.33 - $15.82
Q3 2024	525,097	$6,506	$10.60	$7.51 - $13.53
Q2 2024	230,764	$2,677	$12.90	$10.29 - $15.89
Q1 2024	53,659	$853	$20.87	$13.60 - $25.35
Q4 2023	56,354	$1,474	$25.24	$22.51 - $28.33
Q3 2023	51,436	$1,556	$31.63	$26.16 - $39.06
Q2 2023	43,838	$1,555	$32.48	$28.25 - $36.63
Q1 2023	53,740	$2,086	$38.98	$29.74 - $46.44
Q4 2022	49,129	$2,215	$40.16	$35.70 - $45.36
Q3 2022	54,578	$2,198	$36.91	$29.66 - $43.04
Q2 2022	44,952	$1,970	$47.72	$30.80 - $65.21
Q1 2022	53,798	$3,410	$54.63	$48.30 - $62.43
Q4 2021	47,872	$2,497	$58.48	$45.15 - $72.31
Q3 2021	45,888	$2,942	$62.54	$54.26 - $68.27
Q2 2021	49,297	$3,196	$62.42	$54.73 - $67.43
Q1 2021	43,594	$2,772	$59.57	$53.04 - $65.79
Q4 2020	36,946	$2,343	$57.09	$49.77 - $61.48
Q3 2020	25,876	$1,634	$50.16	$41.98 - $55.64
Q2 2020	18,917	$884	$41.66	$30.71 - $50.05
Q1 2020	16,326	$603	$48.21	$31.47 - $58.31
Q4 2019	28,927	$1,764	$49.59	$45.73 - $54.07
Q3 2019	21,384	$1,208	$46.24	$40.75 - $51.26
Q2 2019	18,687	$1,026	$46.99	$43.48 - $50.69
Q1 2019	19,928	$1,084	$42.46	$32.98 - $48.11
Q4 2018	16,131	$673	$43.49	$31.88 - $56.95
Q3 2018	17,020	$1,143	$53.24	$48.77 - $57.91
Q2 2018	24,135	$1,587	$53.77	$47.64 - $57.33
Q1 2018	29,812	$1,798	$53.63	$45.47 - $60.97
Q4 2017	54,633	$3,948	$53.16	$50.45 - $58.03
Q3 2017	54,540	$3,539	$52.24	$47.01 - $55.89
Q2 2017	44,272	$2,891	$51.48	$48.29 - $53.91
Q1 2017	48,730	$3,305	$58.33	$50.29 - $64.38
Q4 2016	67,131	$5,206	$57.67	$53.18 - $62.97
Q3 2016	50,466	$3,719	$54.44	$50.92 - $57.62
Q2 2016	49,993	$3,710	$56.40	$49.77 - $60.87
Q1 2016	44,137	$3,127	$52.78	$48.71 - $56.62
Q4 2015	39,091	$2,943	$59.61	$52.17 - $63.00
Q3 2015	9,188	$722	$59.53	$56.23 - $62.65
Q2 2015	10,754	$883	$63.39	$59.23 - $68.67
Q1 2015	11,002	$1,026	$65.22	$60.90 - $68.52
Q4 2014	13,213	$1,148	$60.85	$55.96 - $66.04
Q3 2014	19,351	$1,631	$63.23	$59.25 - $68.53
Q2 2014	42,170	$4,038	$63.15	$57.57 - $67.35
Q1 2014	21,892	$1,807	$57.46	$53.12 - $61.48
Q4 2013	22,435	$1,796	$51.71	$48.78 - $56.70
Q3 2013	20,478	$1,562	$54.32	$43.88 - $62.76
Q2 2013	19,965	$1,687	$57.41	$51.74 - $61.58