| Dec 31, 2018 AForm 4 → | Jan 3, 2019, 4:32 pm EST | COMPASS MINERALS INTERNATIONAL INCCMP | 510 | — | — | 6,462 | — | plan? |
| Dec 17, 2018 AForm 4 → | Dec 18, 6:20 pm EST | COMPASS MINERALS INTERNATIONAL INCCMP | 108 | — | — | 6,989 | — | plan? |
| Sep 28, 2018 AForm 4 → | Oct 1, 5:26 pm EDT | COMPASS MINERALS INTERNATIONAL INCCMP | 316 | — | — | 6,881 | — | plan? |
| Sep 17, 2018 AForm 4 → | Sep 18, 3:47 pm EDT | COMPASS MINERALS INTERNATIONAL INCCMP | 72 | — | — | 6,565 | — | plan? |
| Jun 29, 2018 AForm 4 → | Jul 2, 4:41 pm EDT | COMPASS MINERALS INTERNATIONAL INCCMP | 324 | — | — | 6,493 | — | plan? |
| Jun 15, 2018 AForm 4 → | Jun 18, 4:27 pm EDT | COMPASS MINERALS INTERNATIONAL INCCMP | 65 | — | — | 6,169 | — | plan? |
| May 15, 2018 SForm 4 → | May 16, 4:54 pm EDT | COMPASS MINERALS INTERNATIONAL INCCMP | 600 | $69.04 | $41,424 | 496 | −54.7% | plan? |
| Mar 29, 2018 AForm 4 → | Apr 2, 3:09 pm EDT | COMPASS MINERALS INTERNATIONAL INCCMP | 353 | — | — | 6,104 | — | plan? |
| Mar 15, 2018 AForm 4 → | Mar 16, 1:11 pm EDT | COMPASS MINERALS INTERNATIONAL INCCMP | 65 | — | — | 5,751 | — | plan? |
| Dec 29, 2017 AForm 4 → | Jan 3, 2018, 3:35 pm EST | COMPASS MINERALS INTERNATIONAL INCCMP | 294 | — | — | 5,686 | — | plan? |
| Dec 15, 2017 AForm 4 → | Dec 18, 5:10 pm EST | COMPASS MINERALS INTERNATIONAL INCCMP | 66 | — | — | 6,488 | — | plan? |
| Sep 29, 2017 AForm 4 → | Oct 2, 6:15 pm EDT | COMPASS MINERALS INTERNATIONAL INCCMP | 328 | — | — | 6,422 | — | plan? |
| Sep 15, 2017 AForm 4 → | Sep 19, 4:56 pm EDT | COMPASS MINERALS INTERNATIONAL INCCMP | 62 | — | — | 6,094 | — | plan? |
| Jun 30, 2017 AForm 4 → | Jul 5, 3:23 pm EDT | COMPASS MINERALS INTERNATIONAL INCCMP | 325 | — | — | 6,032 | — | plan? |
| Jun 15, 2017 AForm 4 → | Jun 16, 2:42 pm EDT | COMPASS MINERALS INTERNATIONAL INCCMP | 63 | — | — | 5,707 | — | plan? |
| Mar 31, 2017 AForm 4 → | Apr 3, 4:33 pm EDT | COMPASS MINERALS INTERNATIONAL INCCMP | 313 | — | — | 5,644 | — | plan? |
| Mar 15, 2017 AForm 4 → | Mar 17, 2:40 pm EDT | COMPASS MINERALS INTERNATIONAL INCCMP | 54 | — | — | 5,331 | — | plan? |
| Jan 3, 2017 AForm 4 → | Jan 4, 8:54 pm EST | COMPASS MINERALS INTERNATIONAL INCCMP | 270 | — | — | 5,277 | — | plan? |
| Dec 15, 2016 AForm 4 → | Dec 19, 3:43 pm EST | COMPASS MINERALS INTERNATIONAL INCCMP | 37 | — | — | 5,007 | — | plan? |
| Oct 3, 2016 AForm 4 → | Oct 4, 7:03 pm EDT | COMPASS MINERALS INTERNATIONAL INCCMP | 289 | — | — | 4,970 | — | plan? |
| Sep 15, 2016 AForm 4 → | Sep 16, 4:19 pm EDT | COMPASS MINERALS INTERNATIONAL INCCMP | 46 | — | — | 4,681 | — | plan? |
| Jun 30, 2016 AForm 4 → | Jul 1, 11:00 am EDT | COMPASS MINERALS INTERNATIONAL INCCMP | 286 | $74.19 | $21,218 | 4,635 | — | plan? |
| Jun 14, 2016 AForm 4 → | Jun 16, 12:09 pm EDT | COMPASS MINERALS INTERNATIONAL INCCMP | 39 | $78.34 | $3,055 | 4,349 | — | plan? |
| Mar 31, 2016 AForm 4 → | Apr 1, 4:29 pm EDT | COMPASS MINERALS INTERNATIONAL INCCMP | 300 | $70.86 | $21,258 | 4,310 | — | plan? |
| Mar 14, 2016 AForm 4 → | Mar 15, 5:10 pm EDT | COMPASS MINERALS INTERNATIONAL INCCMP | 38 | $72.84 | $2,768 | 4,010 | — | plan? |
| Dec 31, 2015 AForm 4 → | Jan 4, 2016, 3:02 pm EST | COMPASS MINERALS INTERNATIONAL INCCMP | 282 | $75.27 | $21,226 | 3,972 | — | plan? |
| Dec 14, 2015 AForm 4 → | Dec 16, 2:09 pm EST | COMPASS MINERALS INTERNATIONAL INCCMP | 32 | $76.22 | $2,439 | 3,690 | — | plan? |
| Sep 30, 2015 AForm 4 → | Oct 1, 2:45 pm EDT | COMPASS MINERALS INTERNATIONAL INCCMP | 271 | $78.37 | $21,238 | 3,658 | — | plan? |
| Sep 11, 2015 AForm 4 → | Sep 15, 4:32 pm EDT | COMPASS MINERALS INTERNATIONAL INCCMP | 26 | $83.06 | $2,160 | 3,387 | — | plan? |
| Jun 30, 2015 AForm 4 → | Jul 1, 3:31 pm EDT | COMPASS MINERALS INTERNATIONAL INCCMP | 259 | $82.14 | $21,274 | 3,361 | — | plan? |
| Jun 12, 2015 AForm 4 → | Jun 12, 9:03 pm EDT | COMPASS MINERALS INTERNATIONAL INCCMP | 23 | $86.99 | $2,001 | 3,102 | — | plan? |
| Mar 31, 2015 AForm 4 → | Apr 1, 4:04 pm EDT | COMPASS MINERALS INTERNATIONAL INCCMP | 228 | $93.21 | $21,252 | 3,079 | — | plan? |
| Mar 12, 2015 AForm 4 → | Mar 16, 10:08 am EDT | COMPASS MINERALS INTERNATIONAL INCCMP | 20 | $93.60 | $1,872 | 2,851 | — | plan? |
| Dec 31, 2014 AForm 4 → | Jan 2, 2015, 5:17 pm EST | COMPASS MINERALS INTERNATIONAL INCCMP | 245 | $86.83 | $21,273 | 2,831 | — | plan? |