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Mailing Address 9900 W. 109TH STREET SUITE 100 OVERLAND PARK KS 66210
Business Address 9900 W. 109TH STREET SUITE 100 OVERLAND PARK KS 66210 913-344-9200
COMPASS MINERALS INTERNATIONAL INC CIK#: 0001227654 (see all company filings)

SIC: 1400 - MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS)
State location: KS | State of Inc.: DE | Fiscal Year End: 0930
formerly: SALT HOLDINGS CORP (filings through 2003-11-05)
(CF Office: 01 Energy & Transportation)
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Items 1 - 40  0001227654 Filings RSS Feed
Filings Format Description Filed/Effective File/Film Number
8-K  Documents   Interactive Data Current report, items 1.01, 7.01, and 9.01
Acc-no: 0001104659-24-039754 (34 Act)  Size: 2 MB
2024-03-27 001-31921
24791663
8-K  Documents   Interactive Data Current report, item 5.07
Acc-no: 0001227654-24-000070 (34 Act)  Size: 416 KB
2024-03-08 001-31921
24734643
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0001227654-24-000051 (34 Act)  Size: 541 KB
2024-02-21 001-31921
24660857
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-24-020662 (34 Act)  Size: 13 KB
2024-02-13 005-79419
24627827
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001227654-24-000036 (34 Act)  Size: 7 MB
2024-02-08 001-31921
24606135
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001227654-24-000034 (34 Act)  Size: 888 KB
2024-02-07 001-31921
24604671
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001308179-24-000022 (34 Act)  Size: 19 MB
2024-01-29 001-31921
24570054
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000093751-24-000223 (34 Act)  Size: 8 KB
2024-01-25 005-79419
24559674
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001086364-24-001055 (34 Act)  Size: 13 KB
2024-01-22 005-79419
24548691
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0001140361-24-002364 (34 Act)  Size: 242 KB
2024-01-16 001-31921
24535735
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0001140361-24-002353 (34 Act)  Size: 627 KB
2024-01-16 001-31921
24535629
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0001227654-23-000237 (34 Act)  Size: 543 KB
2023-12-19 001-31921
231497367
8-K  Documents   Interactive Data Current report, items 4.01 and 9.01
Acc-no: 0001227654-23-000232 (34 Act)  Size: 407 KB
2023-12-07 001-31921
231472524
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001227654-23-000226 (34 Act)  Size: 27 MB
2023-11-29 001-31921
231448569
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001227654-23-000213 (34 Act)  Size: 1 MB
2023-11-16 001-31921
231415055
EFFECT  Documents Notice of Effectiveness
Acc-no: 9999999995-23-002909 (33 Act)  Size: 1 KB
2023-09-29 16:30:00 333-274622
231297557
424B3  Documents Prospectus [Rule 424(b)(3)]
Acc-no: 0001104659-23-105356 (33 Act)  Size: 163 KB
2023-09-29 333-274622
231296313
CORRESP  Documents [Cover]Correspondence
Acc-no: 0001104659-23-105205 Size: 23 KB
2023-09-29
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-23-010755 Size: 40 KB
2023-09-29
S-3  Documents Registration statement under Securities Act of 1933
Acc-no: 0001104659-23-102825 (33 Act)  Size: 314 KB
2023-09-21 333-274622
231269340
8-K  Documents   Interactive Data Current report, item 7.01
Acc-no: 0001227654-23-000174 (34 Act)  Size: 397 KB
2023-09-21 001-31921
231267705
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0001227654-23-000165 (34 Act)  Size: 552 KB
2023-08-14 001-31921
231166144
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001227654-23-000163 (34 Act)  Size: 11 MB
2023-08-08 001-31921
231152258
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001227654-23-000162 (34 Act)  Size: 1 MB
2023-08-08 001-31921
231151733
8-K/A  Documents   Interactive Data [Amend] Current report, item 5.07
Acc-no: 0001227654-23-000139 (34 Act)  Size: 397 KB
2023-06-30 001-31921
231061606
11-K  Documents Annual report of employee stock purchase, savings and similar plans
Acc-no: 0001227654-23-000137 (34 Act)  Size: 299 KB
2023-06-29 001-31921
231057498
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001227654-23-000114 (34 Act)  Size: 10 MB
2023-05-09 001-31921
23902953
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001227654-23-000112 (34 Act)  Size: 1 MB
2023-05-09 001-31921
23902729
8-K  Documents   Interactive Data Current report, items 1.01, 2.03, 7.01, and 9.01
Acc-no: 0001227654-23-000111 (34 Act)  Size: 576 KB
2023-05-09 001-31921
23902677
8-K  Documents   Interactive Data Current report, items 1.01, 7.01, 8.01, and 9.01
Acc-no: 0001104659-23-056629 (34 Act)  Size: 2 MB
2023-05-05 001-31921
23894876
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0001227654-23-000098 (34 Act)  Size: 560 KB
2023-05-04 001-31921
23886498
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-23-043470 (34 Act)  Size: 13 KB
2023-04-10 005-79419
23810574
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0001227654-23-000095 (34 Act)  Size: 401 KB
2023-04-04 001-31921
23797857
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0001227654-23-000093 (34 Act)  Size: 400 KB
2023-04-04 001-31921
23797639
8-K  Documents   Interactive Data Current report, item 5.07
Acc-no: 0001227654-23-000052 (34 Act)  Size: 445 KB
2023-02-21 001-31921
23648371
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-23-015687 (34 Act)  Size: 13 KB
2023-02-09 005-79419
23602825
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000093751-23-000358 (34 Act)  Size: 8 KB
2023-02-08 005-79419
23598148
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001227654-23-000022 (34 Act)  Size: 8 MB
2023-02-07 001-31921
23595666
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001227654-23-000020 (34 Act)  Size: 873 KB
2023-02-07 001-31921
23595333
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001306550-23-004359 (34 Act)  Size: 13 KB
2023-01-26 005-79419
23554646