Financial reports
10-Q
2024 Q1
Quarterly report
8 Feb 24
10-K
2023 FY
Annual report
29 Nov 23
10-Q
2023 Q3
Quarterly report
8 Aug 23
10-Q
2023 Q2
Quarterly report
9 May 23
10-Q
2023 Q1
Quarterly report
7 Feb 23
10-K
2022 FY
Annual report
14 Dec 22
NT 10-K
Notice of late annual filing
29 Nov 22
10-Q
2022 Q3
Quarterly report
4 Aug 22
10-Q
2022 Q2
Quarterly report
10 May 22
10-Q
2022 Q1
Quarterly report
8 Feb 22
Current reports
8-K
Compass Minerals Announces Amendment to Credit Agreement
27 Mar 24
8-K
Submission of Matters to a Vote of Security Holders
8 Mar 24
8-K
Compass Minerals Names Gordon Dunn Chief Operations Officer
21 Feb 24
8-K
Compass Minerals Reports Fiscal 2024 First-Quarter Results
7 Feb 24
8-K
Departure of Directors or Certain Officers
16 Jan 24
8-K
Compass Minerals Names Edward Dowling Chief Executive Officer
16 Jan 24
8-K
Departure of Directors or Certain Officers
19 Dec 23
8-K
Changes in Registrant's Certifying Accountant
7 Dec 23
8-K
Compass Minerals Reports Fiscal Fourth-Quarter
16 Nov 23
8-K
Regulation FD Disclosure
21 Sep 23
Registration and prospectus
424B3
Prospectus supplement
29 Sep 23
S-3
Shelf registration
21 Sep 23
S-8
Registration of securities for employees
13 Jun 22
S-8
Registration of securities for employees
14 May 20
S-8
Registration of securities for employees
6 May 15
15-12B/A
Securities registration termination (amended)
14 Aug 14
15-12B
Securities registration termination
10 Feb 14
S-8
Registration of securities for employees
19 Aug 05
S-8
Registration of securities for employees
11 Jan 05
424B3
Prospectus supplement
19 Nov 04
Proxies
DEF 14A
Definitive proxy
29 Jan 24
DEFA14A
Additional proxy soliciting materials
3 Jan 23
DEF 14A
Definitive proxy
3 Jan 23
DEFA14A
Additional proxy soliciting materials
11 Jan 22
DEF 14A
Definitive proxy
11 Jan 22
DEFA14A
Additional proxy soliciting materials
2 Apr 21
DEF 14A
Definitive proxy
2 Apr 21
DEFA14A
Additional proxy soliciting materials
31 Mar 20
DEF 14A
Definitive proxy
31 Mar 20
PRE 14A
Preliminary proxy
20 Mar 20
Other
EFFECT
Notice of effectiveness
2 Oct 23
CORRESP
Correspondence with SEC
29 Sep 23
UPLOAD
Letter from SEC
29 Sep 23
UPLOAD
Letter from SEC
3 Jan 23
CORRESP
Correspondence with SEC
13 Dec 22
CORRESP
Correspondence with SEC
2 Dec 22
UPLOAD
Letter from SEC
17 Nov 22
CORRESP
Correspondence with SEC
20 Oct 22
CORRESP
Correspondence with SEC
13 Oct 22
UPLOAD
Letter from SEC
28 Sep 22