COMPASS MINERALS INTL INC

Ticker: CMP CUSIP: 20451N101 Class: Common Stock

FIRST MANHATTAN CO. LLC.'s Holding History (CIK: 0000728083)

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

Q4 2025

Shares 29,500 Value ($000) $579 Avg Close $18.50 Range $16.40 - $21.43

Q3 2025

Shares 29,500 Value ($000) $566 Avg Close $19.87 Range $17.67 - $22.69

Q2 2025

Shares 29,500 Value ($000) $593 Avg Close $16.16 Range $8.60 - $20.96

Q1 2025

Shares 29,500 Value ($000) $274 Avg Close $11.42 Range $9.03 - $14.38

Q4 2024

Shares 29,500 Value ($000) $332 Avg Close $13.06 Range $10.33 - $15.82

Q3 2024

Shares 29,500 Value ($000) $355 Avg Close $10.60 Range $7.51 - $13.53

Q2 2024

Shares 29,500 Value ($000) $305 Avg Close $12.90 Range $10.29 - $15.89

Q1 2024

Shares 29,500 Value ($000) $464 Avg Close $20.87 Range $13.60 - $25.35

Q4 2023

Shares 29,500 Value ($000) $747 Avg Close $25.24 Range $22.51 - $28.33

Q3 2023

Shares 29,500 Value ($000) $825 Avg Close $31.63 Range $26.16 - $39.06

Q2 2023

Shares 29,500 Value ($000) $1,003 Avg Close $32.48 Range $28.25 - $36.63

Q1 2023

Shares 29,500 Value ($000) $1,012 Avg Close $38.98 Range $29.74 - $46.44

Q4 2022

Shares 29,500 Value ($000) $1,210 Avg Close $40.16 Range $35.70 - $45.36

Q3 2022

Shares 29,500 Value ($000) $1,136 Avg Close $36.91 Range $29.66 - $43.04

Q2 2022

Shares 29,500 Value ($000) $1,044 Avg Close $47.72 Range $30.80 - $65.21

Q1 2022

Shares 29,500 Value ($000) $1,852 Avg Close $54.63 Range $48.30 - $62.43

Q4 2021

Shares 29,500 Value ($000) $1,506 Avg Close $58.48 Range $45.15 - $72.31

Q3 2021

Shares 29,500 Value ($000) $1,899 Avg Close $62.54 Range $54.26 - $68.27

Q2 2021

Shares 29,500 Value ($000) $1,748 Avg Close $62.42 Range $54.73 - $67.43

Q1 2021

Shares 29,500 Value ($000) $1,850 Avg Close $59.57 Range $53.04 - $65.79

Q4 2020

Shares 29,500 Value ($000) $1,820 Avg Close $57.09 Range $49.77 - $61.48

Q3 2020

Shares 31,200 Value ($000) $1,851 Avg Close $50.16 Range $41.98 - $55.64

Q2 2020

Shares 39,669 Value ($000) $1,933 Avg Close $41.66 Range $30.71 - $50.05

Q1 2020

Shares 39,669 Value ($000) $1,526 Avg Close $48.21 Range $31.47 - $58.31

Q4 2019

Shares 39,669 Value ($000) $2,418 Avg Close $49.59 Range $45.73 - $54.07

Q3 2019

Shares 39,669 Value ($000) $2,240 Avg Close $46.24 Range $40.75 - $51.26

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	29,500	$579	$18.50	$16.40 - $21.43
Q3 2025	29,500	$566	$19.87	$17.67 - $22.69
Q2 2025	29,500	$593	$16.16	$8.60 - $20.96
Q1 2025	29,500	$274	$11.42	$9.03 - $14.38
Q4 2024	29,500	$332	$13.06	$10.33 - $15.82
Q3 2024	29,500	$355	$10.60	$7.51 - $13.53
Q2 2024	29,500	$305	$12.90	$10.29 - $15.89
Q1 2024	29,500	$464	$20.87	$13.60 - $25.35
Q4 2023	29,500	$747	$25.24	$22.51 - $28.33
Q3 2023	29,500	$825	$31.63	$26.16 - $39.06
Q2 2023	29,500	$1,003	$32.48	$28.25 - $36.63
Q1 2023	29,500	$1,012	$38.98	$29.74 - $46.44
Q4 2022	29,500	$1,210	$40.16	$35.70 - $45.36
Q3 2022	29,500	$1,136	$36.91	$29.66 - $43.04
Q2 2022	29,500	$1,044	$47.72	$30.80 - $65.21
Q1 2022	29,500	$1,852	$54.63	$48.30 - $62.43
Q4 2021	29,500	$1,506	$58.48	$45.15 - $72.31
Q3 2021	29,500	$1,899	$62.54	$54.26 - $68.27
Q2 2021	29,500	$1,748	$62.42	$54.73 - $67.43
Q1 2021	29,500	$1,850	$59.57	$53.04 - $65.79
Q4 2020	29,500	$1,820	$57.09	$49.77 - $61.48
Q3 2020	31,200	$1,851	$50.16	$41.98 - $55.64
Q2 2020	39,669	$1,933	$41.66	$30.71 - $50.05
Q1 2020	39,669	$1,526	$48.21	$31.47 - $58.31
Q4 2019	39,669	$2,418	$49.59	$45.73 - $54.07
Q3 2019	39,669	$2,240	$46.24	$40.75 - $51.26