| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2011-02-04 | BlackRock Inc. | FEDERAL SIGNAL CORP /DE/ | 5,392,680 | 8.7% | EDGAR |
| SC 13G/A | 2011-01-28 | FRANKLIN MUTUAL ADVISERS LLC | FEDERAL SIGNAL CORP /DE/ | 4,740,079 | 7.6% | EDGAR |
| SC 13G/A | 2010-03-09 | BlackRock Inc. | FEDERAL SIGNAL CORP /DE/ | 5,048,963 | 10.4% | EDGAR |
| SC 13G/A | 2010-02-12 | KEELEY ASSET MANAGEMENT CORP | FEDERAL SIGNAL CORP /DE/ | 2,870,000 | 5.9% | EDGAR |
| SC 13G/A | 2010-02-10 | HEARTLAND ADVISORS INC | FEDERAL SIGNAL CORP /DE/ | 4,429,925 | 9.1% | EDGAR |
| SC 13G/A | 2010-02-10 | HEARTLAND ADVISORS INC | FEDERAL SIGNAL CORP /DE/ | 5,746,402 | 11.8% | EDGAR |
| SC 13G/A | 2010-02-08 | DIMENSIONAL FUND ADVISORS LP | FEDERAL SIGNAL CORP /DE/ | 2,422,235 | 5.0% | EDGAR |
| SC 13G | 2010-01-29 | BlackRock Inc. | FEDERAL SIGNAL CORP /DE/ | 4,628,357 | 9.5% | EDGAR |
| SC 13G/A | 2010-01-22 | FRANKLIN MUTUAL ADVISERS LLC | FEDERAL SIGNAL CORP /DE/ | 4,742,243 | 9.7% | EDGAR |
| SC 13G/A | 2009-02-13 | KEELEY ASSET MANAGEMENT CORP | FEDERAL SIGNAL CORP /DE/ | 2,870,000 | 6.1% | EDGAR |
| SC 13G/A | 2009-02-11 | HEARTLAND ADVISORS INC | FEDERAL SIGNAL CORP /DE/ | 3,689,050 | 7.8% | EDGAR |
| SC 13G/A | 2009-02-09 | DIMENSIONAL FUND ADVISORS INC | FEDERAL SIGNAL CORP /DE/ | 3,146,852 | 6.6% | EDGAR |
| SC 13G | 2009-02-05 | BARCLAYS GLOBAL INVESTORS NA /CA/ | FEDERAL SIGNAL CORP /DE/ | 1,260,216 | 2.7% | EDGAR |
| SC 13G/A | 2009-01-15 | FRANKLIN MUTUAL ADVISERS LLC | FEDERAL SIGNAL CORP /DE/ | 4,617,077 | 9.7% | EDGAR |
| SC 13D/A | 2008-09-24 | KANDERS WARREN B | FEDERAL SIGNAL CORP /DE/ | 1,755,254 | 3.7% | EDGAR |
| SC 13D/A | 2008-09-10 | RAMIUS LLC | FEDERAL SIGNAL CORP /DE/ | 377,566 | 3.6% | EDGAR |
| SC 13D/A | 2008-07-30 | RAMIUS LLC | FEDERAL SIGNAL CORP /DE/ | 469,730 | 1.0% | EDGAR |
| SC 13D/A | 2008-07-17 | KANDERS WARREN B | FEDERAL SIGNAL CORP /DE/ | 2,855,954 | 6.0% | EDGAR |
| SC 13D/A | 2008-07-11 | KANDERS WARREN B | FEDERAL SIGNAL CORP /DE/ | 2,855,954 | 6.0% | EDGAR |
| SC 13D | 2008-06-30 | KANDERS WARREN B | FEDERAL SIGNAL CORP /DE/ | 2,755,954 | 5.7% | EDGAR |