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Compass Minerals International Inc

CMPNYSECIK 1227654MaterialsFiscal year ends Sep 30

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Reports and events: 341 filings

Newest first, by EDGAR acceptance time (Eastern). Each filing’s page lists its documents on sec.gov and, for 10-K and 10-Q reports, the extracted sections.

What the forms are: 10-K, 10-Q, 8-K, Form 4, DEF 14A, Schedule 13D, Schedule 13G, amendments, accession numbers.

FiledFormWhat it isAccession number
2022-01-2421:15 ET8-K5.02 Departure or appointment of officers or directors0001227654-22-000024
2022-01-1111:01 ETDEF 14AProxy statementPeriod 2022-02-240001104659-22-002902
2022-01-0622:01 ET8-K7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits0001227654-22-000009
2021-12-0821:25 ET8-K/A9.01 Financial statements and exhibits0001227654-21-000330
2021-12-0222:02 ET8-K5.02 Departure or appointment of officers or directors0001227654-21-000319
2021-11-2912:54 ET8-K8.01 Other events; 9.01 Financial statements and exhibits0001227654-21-000300
2021-11-1721:13 ET8-K5.02 Departure or appointment of officers or directors0001227654-21-000289
2021-11-1522:25 ET8-K2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits0001227654-21-000286
2021-10-2720:52 ET8-K5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits0001193125-21-309430
2021-10-1920:19 ET8-K7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits0001227654-21-000266
2021-10-1220:17 ET8-K5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits0001227654-21-000248
2021-09-2920:54 ET8-K2.02 Results of operations; 9.01 Financial statements and exhibits0001227654-21-000243
2021-09-2011:11 ET8-K7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits0001227654-21-000227
2021-09-0301:29 ET10-Q/AQuarterly report, amendedPeriod 2021-03-310001227654-21-000220
2021-09-0301:27 ET10-K/AAnnual report, amendedPeriod 2020-12-310001227654-21-000219
2021-08-1321:28 ET8-K2.02 Results of operations; 9.01 Financial statements and exhibits0001227654-21-000209
2021-08-1321:28 ET10-QQuarterly reportPeriod 2021-06-300001227654-21-000208
2021-08-0523:24 ET8-K4.02 Non-reliance on financial statements; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits0001227654-21-000185
2021-07-1320:07 ET8-K7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits0001227654-21-000179
2021-07-0821:17 ET8-K/A2.01 Completion of an acquisition or disposition; 9.01 Financial statements and exhibits0001227654-21-000176
2021-07-0120:09 ET8-K2.01 Completion of an acquisition or disposition; 8.01 Other events; 9.01 Financial statements and exhibits0001227654-21-000171
2021-06-2510:17 ET8-K5.03 Amendment to articles or bylaws0001227654-21-000160
2021-05-2020:04 ET8-K5.07 Shareholder vote results0001227654-21-000119
2021-05-0721:30 ET10-QQuarterly reportPeriod 2021-03-310001227654-21-000097
2021-05-0420:21 ET8-K2.02 Results of operations; 9.01 Financial statements and exhibits0001227654-21-000093
2021-04-1220:35 ET8-K7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits0001227654-21-000088
2021-04-0810:58 ET8-K8.01 Other events; 9.01 Financial statements and exhibits0001227654-21-000081
2021-04-0210:16 ETDEF 14AProxy statementPeriod 2021-05-180001104659-21-045825
2021-03-3110:56 ET8-K8.01 Other events; 9.01 Financial statements and exhibits0001227654-21-000068
2021-03-2410:55 ET8-K1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits0001193125-21-091855
2021-02-2621:23 ET10-KAnnual reportPeriod 2020-12-310001227654-21-000037
2021-02-1621:06 ET8-K2.02 Results of operations; 9.01 Financial statements and exhibits0001227654-21-000032
2021-01-0521:34 ET8-K5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits0001227654-21-000004
2020-12-3021:53 ET8-K5.03 Amendment to articles or bylaws; 9.01 Financial statements and exhibits0001227654-20-000223
2020-11-0520:52 ET10-QQuarterly reportPeriod 2020-09-300001227654-20-000199
2020-11-0421:19 ET8-K2.02 Results of operations; 9.01 Financial statements and exhibits0001227654-20-000196
2020-08-0519:36 ET10-QQuarterly reportPeriod 2020-06-300001227654-20-000168
2020-08-0420:19 ET8-K2.02 Results of operations; 9.01 Financial statements and exhibits0001227654-20-000163
2020-07-0120:16 ET8-K1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits0001227654-20-000155
2020-05-1920:01 ET8-K3.03 Change to security holders’ rights; 5.02 Departure or appointment of officers or directors; 5.03 Amendment to articles or bylaws; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits0001193125-20-146105
2020-05-0620:21 ET10-QQuarterly reportPeriod 2020-03-310001227654-20-000105
2020-05-0520:19 ET8-K2.02 Results of operations; 9.01 Financial statements and exhibits0001227654-20-000101
2020-04-0613:03 ET8-K7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits0001227654-20-000084
2020-03-3110:10 ETDEF 14AProxy statementPeriod 2020-05-140001193125-20-091748
2020-03-2012:30 ET8-K5.02 Departure or appointment of officers or directors0001227654-20-000065
2020-02-2621:45 ET10-KAnnual reportPeriod 2019-12-310001227654-20-000044
2020-02-1022:22 ET8-K2.02 Results of operations; 9.01 Financial statements and exhibits0001227654-20-000039
2020-01-0621:35 ET8-K7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits0001227654-20-000020
2019-11-2622:18 ET8-K1.01 Entry into a material agreement; 2.03 New direct financial obligation; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits0001227654-19-000247
2019-11-2221:18 ET8-K7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits0001227654-19-000244

Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:10 ET. Listed shows no prices and gives no investment advice.