| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2024-02-13 | VANGUARD GROUP INC | FEDERAL SIGNAL CORP /DE/ | 6,679,305 | 11.0% | EDGAR |
| SC 13G/A | 2024-02-09 | FMR LLC | FEDERAL SIGNAL CORP /DE/ | 2,742,729 | 4.5% | EDGAR |
| SC 13G/A | 2024-01-22 | BlackRock Inc. | FEDERAL SIGNAL CORP /DE/ | 9,346,305 | 15.3% | EDGAR |
| SC 13G/A | 2023-04-10 | VANGUARD GROUP INC | FEDERAL SIGNAL CORP /DE/ | 6,666,074 | 11.0% | EDGAR |
| SC 13G/A | 2023-02-09 | VANGUARD GROUP INC | FEDERAL SIGNAL CORP /DE/ | 5,350,242 | 8.8% | EDGAR |
| SC 13G | 2023-02-09 | FMR LLC | FEDERAL SIGNAL CORP /DE/ | 3,199,731 | 5.3% | EDGAR |
| SC 13G/A | 2023-01-26 | BlackRock Inc. | FEDERAL SIGNAL CORP /DE/ | 9,300,731 | 15.3% | EDGAR |
| SC 13G/A | 2023-01-20 | BlackRock Inc. | FEDERAL SIGNAL CORP /DE/ | 9,300,731 | 15.3% | EDGAR |
| SC 13G/A | 2022-02-10 | VANGUARD GROUP INC | FEDERAL SIGNAL CORP /DE/ | 3,970,846 | 6.5% | EDGAR |
| SC 13G/A | 2022-02-08 | DIMENSIONAL FUND ADVISORS LP | FEDERAL SIGNAL CORP /DE/ | 2,757,658 | 4.5% | EDGAR |
| SC 13G/A | 2022-01-27 | BlackRock Inc. | FEDERAL SIGNAL CORP /DE/ | 9,207,856 | 15.1% | EDGAR |
| SC 13G | 2022-01-25 | BlackRock Inc. | FEDERAL SIGNAL CORP /DE/ | 9,207,856 | 15.1% | EDGAR |
| SC 13G/A | 2021-02-12 | DIMENSIONAL FUND ADVISORS LP | FEDERAL SIGNAL CORP /DE/ | 3,125,663 | 5.2% | EDGAR |
| SC 13G/A | 2021-02-10 | VANGUARD GROUP INC | FEDERAL SIGNAL CORP /DE/ | 3,831,625 | 6.3% | EDGAR |
| SC 13G/A | 2021-01-26 | BlackRock Inc. | FEDERAL SIGNAL CORP /DE/ | 9,036,099 | 14.9% | EDGAR |
| SC 13G/A | 2020-02-12 | VANGUARD GROUP INC | FEDERAL SIGNAL CORP /DE/ | 3,869,975 | 6.4% | EDGAR |
| SC 13G/A | 2020-02-12 | DIMENSIONAL FUND ADVISORS LP | FEDERAL SIGNAL CORP /DE/ | 3,714,356 | 6.1% | EDGAR |
| SC 13G/A | 2020-02-04 | BlackRock Inc. | FEDERAL SIGNAL CORP /DE/ | 9,126,060 | 15.1% | EDGAR |
| SC 13G | 2019-02-13 | BARROW HANLEY MEWHINNEY & STRAUSS LLC | FEDERAL SIGNAL CORP /DE/ | 10 | 12.0% | EDGAR |
| SC 13G/A | 2019-02-11 | VANGUARD GROUP INC | FEDERAL SIGNAL CORP /DE/ | 3,685,530 | 6.1% | EDGAR |