| SC 13G/A | 2014-01-29 | Fehsenfeld Fred M Jr | Heritage-Crystal Clean, Inc. | 1,022,086 | 5.5% | EDGAR |
| SC 13G/A | 2014-01-10 | ROYCE & ASSOCIATES LLC | Heritage-Crystal Clean, Inc. | 994,548 | 5.4% | EDGAR |
| SC 13G/A | 2013-04-08 | ROYCE & ASSOCIATES LLC | Heritage-Crystal Clean, Inc. | 1,180,239 | 6.5% | EDGAR |
| SC 13G/A | 2013-02-14 | Chalhoub Joseph | Heritage-Crystal Clean, Inc. | 1,529,879 | 8.5% | EDGAR |
| SC 13G | 2013-02-14 | JANUS CAPITAL MANAGEMENT LLC | Heritage-Crystal Clean, Inc. | 1,393,948 | 7.7% | EDGAR |
| SC 13G/A | 2013-02-12 | Maggie Trust 106 FBO F M Fehsenfeld & issue UAD 12 30 1974 | Heritage-Crystal Clean, Inc. | 347,086 | 2.0% | EDGAR |
| SC 13G/A | 2013-02-12 | Heritage Group | Heritage-Crystal Clean, Inc. | 4,795,444 | 26.5% | EDGAR |
| SC 13G/A | 2013-02-05 | BLAIR WILLIAM & CO/IL | Heritage-Crystal Clean, Inc. | 566,817 | 3.1% | EDGAR |
| SC 13G | 2013-01-08 | KINDERHOOK, LP | Heritage-Crystal Clean, Inc. | 940,052 | 5.2% | EDGAR |
| SC 13G/A | 2012-02-14 | Chalhoub Joseph | Heritage-Crystal Clean, Inc. | 1,630,477 | 11.4% | EDGAR |
| SC 13G/A | 2012-02-09 | Heritage Group | Heritage-Crystal Clean, Inc. | 4,472,521 | 31.2% | EDGAR |
| SC 13G | 2012-01-30 | BLAIR WILLIAM & CO/IL | Heritage-Crystal Clean, Inc. | 737,189 | 5.1% | EDGAR |
| SC 13G/A | 2012-01-26 | ROYCE & ASSOCIATES LLC | Heritage-Crystal Clean, Inc. | 205,865 | 1.4% | EDGAR |
| SC 13G/A | 2011-08-02 | ROYCE & ASSOCIATES LLC | Heritage-Crystal Clean, Inc. | 735,365 | 5.1% | EDGAR |
| SC 13G | 2011-07-06 | BRUCKMANN ROSSER SHERRILL & CO II LP | Heritage-Crystal Clean, Inc. | 0 | 0.0% | EDGAR |
| SC 13G | 2011-07-05 | Maggie Trust 106 FBO F M Fehsenfeld & issue UAD 12 30 1974 | Heritage-Crystal Clean, Inc. | 289,915 | 2.0% | EDGAR |
| SC 13G/A | 2011-02-14 | Brinckman Donald | Heritage-Crystal Clean, Inc. | 543,021 | 3.8% | EDGAR |
| SC 13G/A | 2011-02-14 | Chalhoub Joseph | Heritage-Crystal Clean, Inc. | 1,643,447 | 11.6% | EDGAR |
| SC 13G/A | 2011-02-11 | Heritage Group | Heritage-Crystal Clean, Inc. | 4,472,521 | 31.5% | EDGAR |
| SC 13G/A | 2011-01-13 | ROYCE & ASSOCIATES LLC | Heritage-Crystal Clean, Inc. | 1,609,065 | 11.3% | EDGAR |