| SC 13D/A | 2008-08-07 | RAMIUS LLC | SCHULMAN A INC | 205,064 | 1.3% | EDGAR |
| SC 13D/A | 2008-05-29 | D.B. ZWIRN & CO., L.P. | SCHULMAN A INC | 16,573 | 0.1% | EDGAR |
| SC 13D/A | 2008-05-29 | BARINGTON COMPANIES EQUITY PARTNERS L P | SCHULMAN A INC | 680,410 | 2.5% | EDGAR |
| SC 13D/A | 2008-04-10 | RAMIUS CAPITAL GROUP LLC | SCHULMAN A INC | 256,992 | 2.3% | EDGAR |
| SC 13G/A | 2008-02-14 | AXA FINANCIAL INC | SCHULMAN A INC | 267,871 | 1.0% | EDGAR |
| SC 13G/A | 2008-02-11 | Temujin Holdings, Ltd | SCHULMAN A INC | 2,307,825 | 8.2% | EDGAR |
| SC 13G/A | 2008-02-06 | DIMENSIONAL FUND ADVISORS INC | SCHULMAN A INC | 2,600,499 | 9.3% | EDGAR |
| SC 13G | 2008-02-06 | BARCLAYS GLOBAL INVESTORS NA /CA/ | SCHULMAN A INC | 823,245 | 2.9% | EDGAR |
| SC 13G/A | 2008-02-05 | ROYCE & ASSOCIATES LLC | SCHULMAN A INC | 1,148,827 | 4.1% | EDGAR |
| SC 13D/A | 2008-01-16 | RAMIUS CAPITAL GROUP LLC | SCHULMAN A INC | 327,738 | 1.2% | EDGAR |
| SC 13D/A | 2007-11-19 | BARINGTON COMPANIES EQUITY PARTNERS L P | SCHULMAN A INC | 680,410 | 2.4% | EDGAR |
| SC 13D/A | 2007-11-08 | RAMIUS CAPITAL GROUP LLC | SCHULMAN A INC | 327,738 | 1.2% | EDGAR |
| SC 13D/A | 2007-10-29 | BARINGTON COMPANIES EQUITY PARTNERS L P | SCHULMAN A INC | - | - | EDGAR |
| SC 13D | 2007-10-22 | RAMIUS CAPITAL GROUP LLC | SCHULMAN A INC | 327,738 | 1.2% | EDGAR |
| SC 13D/A | 2007-10-09 | BARINGTON COMPANIES EQUITY PARTNERS L P | SCHULMAN A INC | 680,410 | 2.5% | EDGAR |
| SC 13D/A | 2007-08-13 | BARINGTON COMPANIES EQUITY PARTNERS L P | SCHULMAN A INC | 677,381 | 2.5% | EDGAR |
| SC 13G | 2007-06-19 | THALES FUND MANAGEMENT LLC | SCHULMAN A INC | 2,696,226 | 9.9% | EDGAR |
| SC 13D/A | 2007-04-04 | BARINGTON COMPANIES EQUITY PARTNERS L P | SCHULMAN A INC | 578,918 | 2.2% | EDGAR |
| SC 13D | 2007-04-02 | RAMIUS CAPITAL GROUP LLC | SCHULMAN A INC | 126,375 | 2.5% | EDGAR |
| SC 13G | 2007-02-13 | AXA FINANCIAL INC | SCHULMAN A INC | 1,373,825 | 5.1% | EDGAR |