| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2019-02-13 | FMR LLC | CHASE CORP | 1,095,975 | 11.7% | EDGAR |
| SC 13G | 2019-02-13 | Neuberger Berman Group LLC | CHASE CORP | 638,954 | 6.8% | EDGAR |
| SC 13G | 2019-02-08 | BlackRock Inc. | CHASE CORP | 513,344 | 5.5% | EDGAR |
| SC 13G/A | 2018-03-08 | BlackRock Inc. | CHASE CORP | 460,199 | 4.9% | EDGAR |
| SC 13G/A | 2018-02-13 | FMR LLC | CHASE CORP | 1,317,006 | 14.0% | EDGAR |
| SC 13G | 2018-02-01 | BlackRock Inc. | CHASE CORP | 473,013 | 5.1% | EDGAR |
| SC 13G/A | 2017-07-10 | BlackRock Inc. | CHASE CORP | 461,307 | 4.9% | EDGAR |
| SC 13G/A | 2017-02-14 | FMR LLC | CHASE CORP | 1,337,477 | 14.3% | EDGAR |
| SC 13G/A | 2017-02-01 | ROYCE & ASSOCIATES LP | CHASE CORP | 275,655 | 3.0% | EDGAR |
| SC 13G | 2017-01-30 | BlackRock Inc. | CHASE CORP | 478,412 | 5.1% | EDGAR |
| SC 13G/A | 2016-02-12 | FMR LLC | CHASE CORP | 940,623 | 10.2% | EDGAR |
| SC 13G/A | 2016-01-12 | ROYCE & ASSOCIATES LLC | CHASE CORP | 635,674 | 6.9% | EDGAR |
| SC 13G/A | 2015-08-10 | FMR LLC | CHASE CORP | 926,627 | 10.1% | EDGAR |
| SC 13G/A | 2015-02-13 | FMR LLC | CHASE CORP | 909,677 | 10.0% | EDGAR |
| SC 13G/A | 2015-01-06 | ROYCE & ASSOCIATES LLC | CHASE CORP | 817,326 | 9.0% | EDGAR |
| SC 13G/A | 2014-02-14 | FMR LLC | CHASE CORP | 905,026 | 10.0% | EDGAR |
| SC 13G/A | 2014-01-07 | ROYCE & ASSOCIATES LLC | CHASE CORP | 773,974 | 8.5% | EDGAR |
| SC 13G/A | 2013-02-14 | FMR LLC | CHASE CORP | 904,986 | 10.0% | EDGAR |
| SC 13G/A | 2013-01-07 | ROYCE & ASSOCIATES LLC | CHASE CORP | 773,974 | 8.5% | EDGAR |
| SC 13G/A | 2012-01-09 | ROYCE & ASSOCIATES LLC | CHASE CORP | 773,974 | 8.6% | EDGAR |