FEDERAL SIGNAL CORP

Ticker: FSS CUSIP: 313855108 Class: EQTY

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 45,542 Value ($000) $4,945 Avg Close $114.40 Range $105.11 - $132.72

Q3 2025

Shares 48,343 Value ($000) $5,752 Avg Close $119.82 Range $104.14 - $129.99

Q2 2025

Shares 40,355 Value ($000) $4,295 Avg Close $88.81 Range $66.21 - $106.84

Q1 2025

Shares 29,877 Value ($000) $2,197 Avg Close $88.89 Range $72.77 - $101.19

Q4 2024

Shares 37,664 Value ($000) $3,480 Avg Close $91.31 Range $79.44 - $99.32

Q3 2024

Shares 15,324 Value ($000) $1,432 Avg Close $90.71 Range $81.03 - $101.34

Q2 2024

Shares 14,562 Value ($000) $1,218 Avg Close $84.22 Range $79.39 - $92.13

Q1 2024

Shares 2,727 Value ($000) $231 Avg Close $77.49 Range $70.50 - $85.02

Q4 2023

Shares 2,727 Value ($000) $209 Avg Close $65.87 Range $56.33 - $77.67

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	45,542	$4,945	$114.40	$105.11 - $132.72
Q3 2025	48,343	$5,752	$119.82	$104.14 - $129.99
Q2 2025	40,355	$4,295	$88.81	$66.21 - $106.84
Q1 2025	29,877	$2,197	$88.89	$72.77 - $101.19
Q4 2024	37,664	$3,480	$91.31	$79.44 - $99.32
Q3 2024	15,324	$1,432	$90.71	$81.03 - $101.34
Q2 2024	14,562	$1,218	$84.22	$79.39 - $92.13
Q1 2024	2,727	$231	$77.49	$70.50 - $85.02
Q4 2023	2,727	$209	$65.87	$56.33 - $77.67