| SC 13G/A | 2011-02-14 | FMR LLC | CHASE CORP | 894,586 | 10.0% | EDGAR |
| SC 13G/A | 2011-01-12 | ROYCE & ASSOCIATES LLC | CHASE CORP | 773,974 | 8.6% | EDGAR |
| SC 13G/A | 2010-02-16 | FMR LLC | CHASE CORP | 853,155 | 9.7% | EDGAR |
| SC 13G/A | 2010-01-22 | ROYCE & ASSOCIATES LLC | CHASE CORP | 773,974 | 8.8% | EDGAR |
| SC 13G/A | 2009-02-17 | FMR LLC | CHASE CORP | 805,461 | 9.4% | EDGAR |
| SC 13G/A | 2009-02-11 | ATHENA CAPITAL MANAGEMENT INC | CHASE CORP | - | 4.8% | EDGAR |
| SC 13G/A | 2009-01-23 | ROYCE & ASSOCIATES LLC | CHASE CORP | 753,974 | 8.8% | EDGAR |
| SC 13D | 2008-02-14 | CHASE PETER R | CHASE CORP | 994,050 | 12.0% | EDGAR |
| SC 13G/A | 2008-02-14 | FMR LLC | CHASE CORP | 800,000 | 9.7% | EDGAR |
| SC 13G/A | 2008-02-12 | ATHENA CAPITAL MANAGEMENT INC | CHASE CORP | - | 5.5% | EDGAR |
| SC 13G/A | 2008-01-30 | WILEN MANAGEMENT CO INC | CHASE CORP | 406,736 | 4.9% | EDGAR |
| SC 13G/A | 2008-01-28 | ROYCE & ASSOCIATES LLC | CHASE CORP | 759,474 | 9.2% | EDGAR |
| SC 13G/A | 2007-01-31 | ROYCE & ASSOCIATES LLC | CHASE CORP | 320,183 | 8.0% | EDGAR |
| SC 13G/A | 2007-01-26 | WILEN MANAGEMENT CO INC | CHASE CORP | 211,218 | 5.3% | EDGAR |
| SC 13G/A | 2007-01-18 | ATHENA CAPITAL MANAGEMENT INC | CHASE CORP | - | 7.1% | EDGAR |
| SC 13G/A | 2006-02-02 | ATHENA CAPITAL MANAGEMENT INC | CHASE CORP | - | 7.2% | EDGAR |
| SC 13G/A | 2006-01-26 | WILEN MANAGEMENT CO INC | CHASE CORP | 217,518 | 5.6% | EDGAR |
| SC 13G | 2006-01-12 | ROYCE & ASSOCIATES LLC | CHASE CORP | 319,800 | 8.2% | EDGAR |
| SC 13G/A | 2005-02-10 | ATHENA CAPITAL MANAGEMENT INC | CHASE CORP | - | 6.9% | EDGAR |
| SC 13G | 2005-01-24 | WILEN MANAGEMENT CO INC | CHASE CORP | 209,768 | 5.6% | EDGAR |