| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2015-02-03 | FRANKLIN MUTUAL ADVISERS LLC | FEDERAL SIGNAL CORP /DE/ | 4,712,381 | 7.5% | EDGAR |
| SC 13G/A | 2015-01-15 | BlackRock Inc. | FEDERAL SIGNAL CORP /DE/ | 5,819,674 | 9.3% | EDGAR |
| SC 13G/A | 2014-02-12 | VANGUARD GROUP INC | FEDERAL SIGNAL CORP /DE/ | 2,166,784 | 3.4% | EDGAR |
| SC 13G/A | 2014-02-10 | DIMENSIONAL FUND ADVISORS LP | FEDERAL SIGNAL CORP /DE/ | 3,766,152 | 6.0% | EDGAR |
| SC 13G/A | 2014-02-06 | HEARTLAND ADVISORS INC | FEDERAL SIGNAL CORP /DE/ | 7,999,088 | 12.8% | EDGAR |
| SC 13G/A | 2014-01-31 | FRANKLIN MUTUAL ADVISERS LLC | FEDERAL SIGNAL CORP /DE/ | 4,724,401 | 7.5% | EDGAR |
| SC 13G/A | 2014-01-31 | BlackRock Inc. | FEDERAL SIGNAL CORP /DE/ | 6,236,647 | 10.0% | EDGAR |
| SC 13G | 2013-02-13 | VANGUARD GROUP INC | FEDERAL SIGNAL CORP /DE/ | 3,536,596 | 5.7% | EDGAR |
| SC 13G | 2013-02-11 | DIMENSIONAL FUND ADVISORS LP | FEDERAL SIGNAL CORP /DE/ | 3,671,325 | 5.9% | EDGAR |
| SC 13G/A | 2013-02-07 | HEARTLAND ADVISORS INC | FEDERAL SIGNAL CORP /DE/ | 8,885,485 | 14.3% | EDGAR |
| SC 13G/A | 2013-02-01 | BlackRock Inc. | FEDERAL SIGNAL CORP /DE/ | 5,065,433 | 8.1% | EDGAR |
| SC 13G | 2013-01-31 | TOCQUEVILLE ASSET MANAGEMENT L.P. | FEDERAL SIGNAL CORP /DE/ | 10 | 3.9% | EDGAR |
| SC 13G/A | 2013-01-30 | FRANKLIN MUTUAL ADVISERS LLC | FEDERAL SIGNAL CORP /DE/ | 4,738,979 | 7.6% | EDGAR |
| SC 13G | 2012-02-14 | DIMENSIONAL FUND ADVISORS LP | FEDERAL SIGNAL CORP /DE/ | 3,576,832 | 5.8% | EDGAR |
| SC 13G/A | 2012-02-13 | BlackRock Inc. | FEDERAL SIGNAL CORP /DE/ | 4,902,221 | 7.9% | EDGAR |
| SC 13G/A | 2012-02-10 | HEARTLAND ADVISORS INC | FEDERAL SIGNAL CORP /DE/ | 8,134,650 | 13.1% | EDGAR |
| SC 13G/A | 2012-02-07 | KEELEY ASSET MANAGEMENT CORP | FEDERAL SIGNAL CORP /DE/ | 2,063,964 | 3.3% | EDGAR |
| SC 13G | 2012-01-30 | TOCQUEVILLE ASSET MANAGEMENT L.P. | FEDERAL SIGNAL CORP /DE/ | 10 | 5.1% | EDGAR |
| SC 13G/A | 2011-02-10 | HEARTLAND ADVISORS INC | FEDERAL SIGNAL CORP /DE/ | 6,787,725 | 10.9% | EDGAR |
| SC 13G/A | 2011-02-07 | KEELEY ASSET MANAGEMENT CORP | FEDERAL SIGNAL CORP /DE/ | 4,072,700 | 6.5% | EDGAR |