FEDERAL SIGNAL CORP

Ticker: FSS CUSIP: 313855108 Class: EQTY

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q4 2025

Shares 30,568 Value ($000) $3,319 Avg Close $114.40 Range $105.11 - $132.72

Q3 2025

Shares 42,658 Value ($000) $5,076 Avg Close $119.82 Range $104.14 - $129.99

Q2 2025

Shares 53,047 Value ($000) $5,645 Avg Close $88.81 Range $66.21 - $106.84

Q1 2025

Shares 138,579 Value ($000) $10,192 Avg Close $88.89 Range $72.77 - $101.19

Q4 2024

Shares 130,890 Value ($000) $12,093 Avg Close $91.31 Range $79.44 - $99.32

Q3 2024

Shares 27,394 Value ($000) $2,560 Avg Close $90.71 Range $81.03 - $101.34

Q2 2024

Shares 51,641 Value ($000) $4,321 Avg Close $84.22 Range $79.39 - $92.13

Q1 2024

Shares 36,693 Value ($000) $3,114 Avg Close $77.49 Range $70.50 - $85.02

Q3 2023

Shares 10,956 Value ($000) $654 Avg Close $59.77 Range $55.66 - $64.40

Q2 2023

Shares 1,091 Value ($000) $70 Avg Close $54.45 Range $49.02 - $63.79

Q1 2023

Shares 56,453 Value ($000) $3,060 Avg Close $51.43 Range $45.05 - $57.12

Q4 2022

Shares 116,439 Value ($000) $5,411 Avg Close $45.02 Range $36.78 - $49.66

Q3 2022

Shares 108,702 Value ($000) $4,057 Avg Close $38.48 Range $33.43 - $42.47

Q2 2022

Shares 46,332 Value ($000) $1,650 Avg Close $33.57 Range $31.09 - $35.90

Q1 2022

Shares 95,976 Value ($000) $3,239 Avg Close $36.26 Range $32.16 - $43.13

Q4 2021

Shares 108,764 Value ($000) $4,714 Avg Close $42.22 Range $37.38 - $47.48

Q2 2021

Shares 26,704 Value ($000) $1,074 Avg Close $39.76 Range $36.95 - $42.42

Q1 2021

Shares 116,846 Value ($000) $4,475 Avg Close $34.90 Range $30.71 - $38.38

Q4 2020

Shares 38,356 Value ($000) $1,272 Avg Close $30.42 Range $26.98 - $32.85

Q1 2020

Shares 37,001 Value ($000) $1,010 Avg Close $29.74 Range $22.32 - $33.27

Q4 2019

Shares 203,923 Value ($000) $6,576 Avg Close $31.08 Range $28.91 - $34.03

Q3 2019

Shares 78,686 Value ($000) $2,577 Avg Close $28.25 Range $24.62 - $32.48

Q2 2019

Shares 18,744 Value ($000) $502 Avg Close $24.87 Range $22.61 - $27.45

Q1 2019

Shares 61,065 Value ($000) $1,588 Avg Close $21.57 Range $18.28 - $24.68

Q4 2018

Shares 238,710 Value ($000) $4,750 Avg Close $21.46 Range $17.54 - $25.51

Q3 2018

Shares 108,878 Value ($000) $2,916 Avg Close $23.73 Range $21.55 - $26.54

Q2 2018

Shares 61,733 Value ($000) $1,438 Avg Close $21.77 Range $19.55 - $23.30

Q1 2018

Shares 12,346 Value ($000) $272 Avg Close $19.28 Range $17.10 - $21.64

Q4 2017

Shares 11,738 Value ($000) $236 Avg Close $19.49 Range $17.86 - $21.93

Q3 2017

Shares 16,405 Value ($000) $349 Avg Close $17.33 Range $15.83 - $19.85

Q2 2017

Shares 74,754 Value ($000) $1,298 Avg Close $14.48 Range $12.03 - $16.23

Q1 2017

Shares 49,525 Value ($000) $684 Avg Close $13.83 Range $12.38 - $14.87

Q4 2016

Shares 86,657 Value ($000) $1,353 Avg Close $13.19 Range $10.64 - $15.25

Q3 2016

Shares 129,743 Value ($000) $1,721 Avg Close $11.94 Range $11.20 - $12.68

Q4 2015

Shares 45,433 Value ($000) $720 Avg Close $14.13 Range $11.85 - $15.39

Q3 2015

Shares 48,903 Value ($000) $670 Avg Close $12.67 Range $11.09 - $13.78

Q2 2015

Shares 56,601 Value ($000) $844 Avg Close $13.80 Range $13.13 - $15.26

Q1 2015

Shares 221,145 Value ($000) $3,492 Avg Close $13.75 Range $12.74 - $15.39

Q4 2014

Shares 84,302 Value ($000) $1,302 Avg Close $12.76 Range $10.27 - $14.10

Q3 2014

Shares 47,528 Value ($000) $629 Avg Close $12.80 Range $11.66 - $13.58

Q2 2014

Shares 64,688 Value ($000) $948 Avg Close $12.86 Range $11.74 - $14.08

Q1 2014

Shares 133,642 Value ($000) $1,991 Avg Close $11.92 Range $10.11 - $13.53

Q4 2013

Shares 97,810 Value ($000) $1,433 Avg Close $12.51 Range $10.99 - $13.94

Q3 2013

Shares 110,005 Value ($000) $1,416 Avg Close $9.63 Range $7.72 - $11.45

Q2 2013

Shares 260,776 Value ($000) $2,282 Avg Close $7.25 Range $6.36 - $8.06

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	30,568	$3,319	$114.40	$105.11 - $132.72
Q3 2025	42,658	$5,076	$119.82	$104.14 - $129.99
Q2 2025	53,047	$5,645	$88.81	$66.21 - $106.84
Q1 2025	138,579	$10,192	$88.89	$72.77 - $101.19
Q4 2024	130,890	$12,093	$91.31	$79.44 - $99.32
Q3 2024	27,394	$2,560	$90.71	$81.03 - $101.34
Q2 2024	51,641	$4,321	$84.22	$79.39 - $92.13
Q1 2024	36,693	$3,114	$77.49	$70.50 - $85.02
Q3 2023	10,956	$654	$59.77	$55.66 - $64.40
Q2 2023	1,091	$70	$54.45	$49.02 - $63.79
Q1 2023	56,453	$3,060	$51.43	$45.05 - $57.12
Q4 2022	116,439	$5,411	$45.02	$36.78 - $49.66
Q3 2022	108,702	$4,057	$38.48	$33.43 - $42.47
Q2 2022	46,332	$1,650	$33.57	$31.09 - $35.90
Q1 2022	95,976	$3,239	$36.26	$32.16 - $43.13
Q4 2021	108,764	$4,714	$42.22	$37.38 - $47.48
Q2 2021	26,704	$1,074	$39.76	$36.95 - $42.42
Q1 2021	116,846	$4,475	$34.90	$30.71 - $38.38
Q4 2020	38,356	$1,272	$30.42	$26.98 - $32.85
Q1 2020	37,001	$1,010	$29.74	$22.32 - $33.27
Q4 2019	203,923	$6,576	$31.08	$28.91 - $34.03
Q3 2019	78,686	$2,577	$28.25	$24.62 - $32.48
Q2 2019	18,744	$502	$24.87	$22.61 - $27.45
Q1 2019	61,065	$1,588	$21.57	$18.28 - $24.68
Q4 2018	238,710	$4,750	$21.46	$17.54 - $25.51
Q3 2018	108,878	$2,916	$23.73	$21.55 - $26.54
Q2 2018	61,733	$1,438	$21.77	$19.55 - $23.30
Q1 2018	12,346	$272	$19.28	$17.10 - $21.64
Q4 2017	11,738	$236	$19.49	$17.86 - $21.93
Q3 2017	16,405	$349	$17.33	$15.83 - $19.85
Q2 2017	74,754	$1,298	$14.48	$12.03 - $16.23
Q1 2017	49,525	$684	$13.83	$12.38 - $14.87
Q4 2016	86,657	$1,353	$13.19	$10.64 - $15.25
Q3 2016	129,743	$1,721	$11.94	$11.20 - $12.68
Q4 2015	45,433	$720	$14.13	$11.85 - $15.39
Q3 2015	48,903	$670	$12.67	$11.09 - $13.78
Q2 2015	56,601	$844	$13.80	$13.13 - $15.26
Q1 2015	221,145	$3,492	$13.75	$12.74 - $15.39
Q4 2014	84,302	$1,302	$12.76	$10.27 - $14.10
Q3 2014	47,528	$629	$12.80	$11.66 - $13.58
Q2 2014	64,688	$948	$12.86	$11.74 - $14.08
Q1 2014	133,642	$1,991	$11.92	$10.11 - $13.53
Q4 2013	97,810	$1,433	$12.51	$10.99 - $13.94
Q3 2013	110,005	$1,416	$9.63	$7.72 - $11.45
Q2 2013	260,776	$2,282	$7.25	$6.36 - $8.06