FSS

Federal Signal Corp /de/

Insider trading activity for Federal Signal Corp /de/, straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

-$3.3M

net selling

Bought(0 · 0 insiders): $0
Sold(6 · 2 insiders): $3.3M

Past 6 months

-$3.3M

net selling

Bought(0 · 0 insiders): $0
Sold(6 · 2 insiders): $3.3M

Past 12 months

-$8.8M

net selling

Bought(1 · 1 insiders): $221.5K
Sold(13 · 3 insiders): $9M

Transaction history

The 95 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Sep 25	Maue Richard A	Director	AGRANT	108	—	—	+3.2%	Open the original filing on SEC.gov
Sep 25	Vaillancourt Eric A.	Director	AGRANT	104	—	—	+7.3%	Open the original filing on SEC.gov
Aug 4	Bonina Diane	VP, Gen'l Counsel &…	MEXER◆	6,450	—	—	—	Open the original filing on SEC.gov
Aug 4	Bonina Diane	VP, Gen'l Counsel &…	MEXER◆	8,406	—	—	—	Open the original filing on SEC.gov
Aug 4	Bonina Diane	VP, Gen'l Counsel &…	SSELL	100	$131.05	$13.1K	-0.6%	Open the original filing on SEC.gov
Aug 4	Bonina Diane	VP, Gen'l Counsel &…	SSELL	6,350	$130.41	$828.1K	-28.7%	Open the original filing on SEC.gov
Aug 4	Bonina Diane	VP, Gen'l Counsel &…	MEXER	6,450	$51.81	$334.2K	+41.1%	Open the original filing on SEC.gov
Aug 4	Bonina Diane	VP, Gen'l Counsel &…	SSELL	100	$131.05	$13.1K	-0.6%	Open the original filing on SEC.gov
Aug 4	Bonina Diane	VP, Gen'l Counsel &…	SSELL	8,306	$130.45	$1.1M	-34.5%	Open the original filing on SEC.gov
Aug 4	Bonina Diane	VP, Gen'l Counsel &…	MEXER	8,406	$35.80	$300.9K	+53.6%	Open the original filing on SEC.gov
Aug 4	Reichelderfer Brenda	Director	SSELL	6,070	$131.02	$795.3K	-11.7%	Open the original filing on SEC.gov
Aug 4	Reichelderfer Brenda	Director	GGIFT	7,650	—	—	-12.8%	Open the original filing on SEC.gov
Aug 3	Bonina Diane	VP, Gen'l Counsel &…	SSELL	4,408	$128.75	$567.5K	-21.9%	Open the original filing on SEC.gov
Jun 26	Vaillancourt Eric A.	Director	AGRANT	96	—	—	+7.3%	Open the original filing on SEC.gov
Jun 26	Maue Richard A	Director	AGRANT	99	—	—	+3.0%	Open the original filing on SEC.gov
May 4	Sherman Jennifer L	President & CEO	FTAX	7,695	$117.49	$904.1K	-1.2%	Open the original filing on SEC.gov
May 4	Hudson Ian A.	S.V.P. & CFO	FTAX	1,657	$117.49	$194.7K	-1.7%	Open the original filing on SEC.gov
May 4	Weber Mark	SVP & COO	FTAX	2,278	$117.49	$267.6K	-2.6%	Open the original filing on SEC.gov
May 4	Bonina Diane	VP, Gen'l Counsel &…	FTAX	962	$117.49	$113K	-4.6%	Open the original filing on SEC.gov
May 1	Sherman Jennifer L	President & CEO	MEXER◆	59,242	—	—	—	Open the original filing on SEC.gov
May 1	Sherman Jennifer L	President & CEO	FTAX	29,680	$121.61	$3.6M	-4.4%	Open the original filing on SEC.gov
May 1	Sherman Jennifer L	President & CEO	MEXER	59,242	$12.66	$750K	+9.6%	Open the original filing on SEC.gov
Apr 21	Workman John L	Director	AGRANT	1,277	—	—	+2.2%	Open the original filing on SEC.gov
Apr 21	Vaillancourt Eric A.	Director	AGRANT	1,277	—	—	+3,040%	Open the original filing on SEC.gov
Apr 21	Patel Shashank	Director	AGRANT	1,277	—	—	+12.0%	Open the original filing on SEC.gov
Apr 21	Maue Richard A	Director	AGRANT	1,277	—	—	+62.5%	Open the original filing on SEC.gov
Apr 21	Lowe Eugene Joseph III	Director	AGRANT	1,277	—	—	+6.0%	Open the original filing on SEC.gov
Apr 21	Helmkamp Katrina L	Director	AGRANT	1,277	—	—	+29.5%	Open the original filing on SEC.gov
Apr 21	Reichelderfer Brenda	Director	AGRANT	1,674	—	—	+2.9%	Open the original filing on SEC.gov
Mar 27	Vaillancourt Eric A.	Director	AGRANT	42	—	—	—	Open the original filing on SEC.gov
Mar 27	Maue Richard A	Director	AGRANT	43	—	—	+2.1%	Open the original filing on SEC.gov
Mar 10	Maue Richard A	Director	PBUY★	2,000	$110.77	$221.5K	—	Open the original filing on SEC.gov
Mar 4	Reichelderfer Brenda	Director	GGIFT	215	—	—	-0.4%	Open the original filing on SEC.gov
Feb 27	Sherman Jennifer L	President & CEO	AGRANT◆	35,742	$116.43	$4.2M	—	Open the original filing on SEC.gov
Feb 27	Sherman Jennifer L	President & CEO	AGRANT	11,810	—	—	+1.9%	Open the original filing on SEC.gov
Feb 27	Hudson Ian A.	S.V.P. & CFO	AGRANT◆	7,309	$116.43	$851K	—	Open the original filing on SEC.gov
Feb 27	Hudson Ian A.	S.V.P. & CFO	AGRANT	2,416	—	—	+2.5%	Open the original filing on SEC.gov
Feb 27	Weber Mark	SVP & COO	AGRANT◆	7,796	$116.43	$907.7K	—	Open the original filing on SEC.gov
Feb 27	Weber Mark	SVP & COO	AGRANT	2,577	—	—	+3.0%	Open the original filing on SEC.gov
Feb 27	Bonina Diane	VP, Gen'l Counsel &…	AGRANT◆	4,224	$116.43	$491.8K	—	Open the original filing on SEC.gov
Feb 27	Bonina Diane	VP, Gen'l Counsel &…	AGRANT	1,396	—	—	+7.1%	Open the original filing on SEC.gov
Feb 27	Boeschen Felix	VP Strategy/Investor…	AGRANT◆	1,787	$116.43	$208.1K	—	Open the original filing on SEC.gov
Feb 27	Boeschen Felix	VP Strategy/Investor…	AGRANT	590	—	—	+51.9%	Open the original filing on SEC.gov
Feb 26	Sherman Jennifer L	President & CEO	FTAX	29,455	$117.63	$3.5M	-4.6%	Open the original filing on SEC.gov
Feb 26	Sherman Jennifer L	President & CEO	AGRANT	66,508	—	—	+11.7%	Open the original filing on SEC.gov
Feb 26	Hudson Ian A.	S.V.P. & CFO	FTAX	6,376	$117.63	$750K	-6.2%	Open the original filing on SEC.gov
Feb 26	Hudson Ian A.	S.V.P. & CFO	AGRANT	14,318	—	—	+16.3%	Open the original filing on SEC.gov
Feb 26	Weber Mark	SVP & COO	FTAX	9,843	$117.63	$1.2M	-10.3%	Open the original filing on SEC.gov
Feb 26	Weber Mark	SVP & COO	AGRANT	22,170	—	—	+30.0%	Open the original filing on SEC.gov
Feb 26	Bonina Diane	VP, Gen'l Counsel &…	FTAX	3,718	$117.63	$437.3K	-15.9%	Open the original filing on SEC.gov
Feb 26	Bonina Diane	VP, Gen'l Counsel &…	AGRANT	8,316	—	—	+55.2%	Open the original filing on SEC.gov
Dec 18, 2025	Sherman Jennifer L	President & CEO	GGIFT	1,805	—	—	-0.3%	Open the original filing on SEC.gov
Nov 10, 2025	Workman John L	Director	GGIFT	2,500	—	—	-4.2%	Open the original filing on SEC.gov
Nov 6, 2025	Weber Mark	SVP & COO	MEXER◆	1,709	—	—	—	Open the original filing on SEC.gov
Nov 6, 2025	Weber Mark	SVP & COO	MEXER◆	11,470	—	—	—	Open the original filing on SEC.gov
Nov 6, 2025	Weber Mark	SVP & COO	MEXER◆	19,780	—	—	—	Open the original filing on SEC.gov
Nov 6, 2025	Weber Mark	SVP & COO	MEXER◆	15,682	—	—	—	Open the original filing on SEC.gov
Nov 6, 2025	Weber Mark	SVP & COO	MEXER◆	2,546	—	—	—	Open the original filing on SEC.gov
Nov 6, 2025	Weber Mark	SVP & COO	SSELL	1,709	$110.75	$189.3K	-2.3%	Open the original filing on SEC.gov
Nov 6, 2025	Weber Mark	SVP & COO	MEXER	1,709	$82.31	$140.7K	+2.3%	Open the original filing on SEC.gov
Nov 6, 2025	Weber Mark	SVP & COO	SSELL	11,470	$111.05	$1.3M	-13.4%	Open the original filing on SEC.gov
Nov 6, 2025	Weber Mark	SVP & COO	MEXER	11,470	$51.81	$594.3K	+15.5%	Open the original filing on SEC.gov
Nov 6, 2025	Weber Mark	SVP & COO	SSELL	20	$112.34	$2.2K	<0.1%	Open the original filing on SEC.gov
Nov 6, 2025	Weber Mark	SVP & COO	SSELL	19,760	$111.61	$2.2M	-21.1%	Open the original filing on SEC.gov
Nov 6, 2025	Weber Mark	SVP & COO	MEXER	19,780	$35.80	$708.1K	+26.8%	Open the original filing on SEC.gov
Nov 6, 2025	Weber Mark	SVP & COO	SSELL	14,042	$111.70	$1.6M	-16.0%	Open the original filing on SEC.gov
Nov 6, 2025	Weber Mark	SVP & COO	SSELL	1,640	$112.50	$184.5K	-1.8%	Open the original filing on SEC.gov
Nov 6, 2025	Weber Mark	SVP & COO	MEXER	15,682	$42.86	$672.1K	+21.2%	Open the original filing on SEC.gov
Nov 6, 2025	Weber Mark	SVP & COO	SSELL	2,546	$112.55	$286.5K	-3.3%	Open the original filing on SEC.gov
Nov 6, 2025	Weber Mark	SVP & COO	MEXER	2,546	$27.80	$70.8K	+3.5%	Open the original filing on SEC.gov
Nov 5, 2025	Reichelderfer Brenda	Director	GGIFT	880	—	—	-1.5%	Open the original filing on SEC.gov
Nov 5, 2025	Reichelderfer Brenda	Director	GGIFT	88	—	—	-0.1%	Open the original filing on SEC.gov
Nov 4, 2025	Martin Dennis J	Director	GGIFT	55,859	—	—	-11.0%	Open the original filing on SEC.gov
Nov 4, 2025	Reichelderfer Brenda	Director	GGIFT	880	—	—	-1.5%	Open the original filing on SEC.gov
Jun 27, 2025	Helmkamp Katrina L	Director	AGRANT	131	—	—	+3.1%	Open the original filing on SEC.gov
May 5, 2025	Weber Mark	SVP & COO	FTAX	3,094	$86.58	$267.9K	-4.0%	Open the original filing on SEC.gov
May 5, 2025	Sherman Jennifer L	President & CEO	FTAX	9,900	$86.58	$857.1K	-1.7%	Open the original filing on SEC.gov
May 5, 2025	Hudson Ian A.	S.V.P. & CFO	FTAX	2,243	$86.58	$194.2K	-2.5%	Open the original filing on SEC.gov
May 5, 2025	Bonina Diane	VP, Gen'l Counsel &…	FTAX	1,315	$86.58	$113.9K	-8.0%	Open the original filing on SEC.gov
May 2, 2025	Weber Mark	SVP & COO	AGRANT◆	9,773	$86.58	$846.1K	—	Open the original filing on SEC.gov
May 2, 2025	Weber Mark	SVP & COO	AGRANT	3,465	—	—	+4.7%	Open the original filing on SEC.gov
May 2, 2025	Sherman Jennifer L	President & CEO	AGRANT◆	39,474	$86.58	$3.4M	—	Open the original filing on SEC.gov
May 2, 2025	Sherman Jennifer L	President & CEO	AGRANT	13,997	—	—	+2.5%	Open the original filing on SEC.gov
May 2, 2025	Hudson Ian A.	S.V.P. & CFO	AGRANT◆	8,957	$86.58	$775.5K	—	Open the original filing on SEC.gov
May 2, 2025	Hudson Ian A.	S.V.P. & CFO	AGRANT	3,176	—	—	+3.6%	Open the original filing on SEC.gov
May 2, 2025	Bonina Diane	VP, Gen'l Counsel &…	AGRANT◆	4,883	$86.58	$422.8K	—	Open the original filing on SEC.gov
May 2, 2025	Bonina Diane	VP, Gen'l Counsel &…	AGRANT	1,733	—	—	+11.8%	Open the original filing on SEC.gov
May 2, 2025	Boeschen Felix	VP Strategy/Investor…	AGRANT◆	1,830	$86.58	$158.4K	—	Open the original filing on SEC.gov
May 2, 2025	Boeschen Felix	VP Strategy/Investor…	AGRANT	650	—	—	+133.7%	Open the original filing on SEC.gov
Apr 22, 2025	Workman John L	Director	AGRANT	1,969	—	—	+3.4%	Open the original filing on SEC.gov
Apr 22, 2025	Martin Dennis J	Director	AGRANT	1,969	—	—	+0.4%	Open the original filing on SEC.gov
Apr 22, 2025	Lowe Eugene Joseph III	Director	AGRANT	1,969	—	—	+10.2%	Open the original filing on SEC.gov
Apr 22, 2025	Helmkamp Katrina L	Director	AGRANT	1,969	—	—	+88.4%	Open the original filing on SEC.gov
Apr 22, 2025	Reichelderfer Brenda	Director	AGRANT	2,580	—	—	+4.5%	Open the original filing on SEC.gov
Apr 22, 2025	Patel Shashank	Director	AGRANT	1,969	—	—	+22.7%	Open the original filing on SEC.gov

AGRANT—

Maue Richard A · DirectorSep 25

108 sh · +3.2% own

AGRANT—

Vaillancourt Eric A. · DirectorSep 25

104 sh · +7.3% own

MEXER◆—

Bonina Diane · VP, Gen'l Counsel…Aug 4

6,450 sh

MEXER◆—

Bonina Diane · VP, Gen'l Counsel…Aug 4

8,406 sh

SSELL$13.1K

Bonina Diane · VP, Gen'l Counsel…Aug 4

100 sh @ $131.05 · -0.6% own

SSELL$828.1K

Bonina Diane · VP, Gen'l Counsel…Aug 4

6,350 sh @ $130.41 · -28.7% own

MEXER$334.2K

Bonina Diane · VP, Gen'l Counsel…Aug 4

6,450 sh @ $51.81 · +41.1% own

SSELL$13.1K

Bonina Diane · VP, Gen'l Counsel…Aug 4

100 sh @ $131.05 · -0.6% own

SSELL$1.1M

Bonina Diane · VP, Gen'l Counsel…Aug 4

8,306 sh @ $130.45 · -34.5% own

MEXER$300.9K

Bonina Diane · VP, Gen'l Counsel…Aug 4

8,406 sh @ $35.80 · +53.6% own

SSELL$795.3K

Reichelderfer Brenda · DirectorAug 4

6,070 sh @ $131.02 · -11.7% own

GGIFT—

Reichelderfer Brenda · DirectorAug 4

7,650 sh · -12.8% own

SSELL$567.5K

Bonina Diane · VP, Gen'l Counsel…Aug 3

4,408 sh @ $128.75 · -21.9% own

AGRANT—

Vaillancourt Eric A. · DirectorJun 26

96 sh · +7.3% own

AGRANT—

Maue Richard A · DirectorJun 26

99 sh · +3.0% own

FTAX$904.1K

Sherman Jennifer L · President & CEOMay 4

7,695 sh @ $117.49 · -1.2% own

FTAX$194.7K

Hudson Ian A. · S.V.P. & CFOMay 4

1,657 sh @ $117.49 · -1.7% own

FTAX$267.6K

Weber Mark · SVP & COOMay 4

2,278 sh @ $117.49 · -2.6% own

FTAX$113K

Bonina Diane · VP, Gen'l Counsel…May 4

962 sh @ $117.49 · -4.6% own

MEXER◆—

Sherman Jennifer L · President & CEOMay 1

59,242 sh

FTAX$3.6M

Sherman Jennifer L · President & CEOMay 1

29,680 sh @ $121.61 · -4.4% own

MEXER$750K

Sherman Jennifer L · President & CEOMay 1

59,242 sh @ $12.66 · +9.6% own

AGRANT—

Workman John L · DirectorApr 21

1,277 sh · +2.2% own

AGRANT—

Vaillancourt Eric A. · DirectorApr 21

1,277 sh · +3,040% own

AGRANT—

Patel Shashank · DirectorApr 21

1,277 sh · +12.0% own

AGRANT—

Maue Richard A · DirectorApr 21

1,277 sh · +62.5% own

AGRANT—

Lowe Eugene Joseph III · DirectorApr 21

1,277 sh · +6.0% own

AGRANT—

Helmkamp Katrina L · DirectorApr 21

1,277 sh · +29.5% own

AGRANT—

Reichelderfer Brenda · DirectorApr 21

1,674 sh · +2.9% own

AGRANT—

Vaillancourt Eric A. · DirectorMar 27

42 sh

AGRANT—

Maue Richard A · DirectorMar 27

43 sh · +2.1% own

PBUY★$221.5K

Maue Richard A · DirectorMar 10

2,000 sh @ $110.77

GGIFT—

Reichelderfer Brenda · DirectorMar 4

215 sh · -0.4% own

AGRANT◆$4.2M

Sherman Jennifer L · President & CEOFeb 27

35,742 sh @ $116.43

AGRANT—

Sherman Jennifer L · President & CEOFeb 27

11,810 sh · +1.9% own

AGRANT◆$851K

Hudson Ian A. · S.V.P. & CFOFeb 27

7,309 sh @ $116.43

AGRANT—

Hudson Ian A. · S.V.P. & CFOFeb 27

2,416 sh · +2.5% own

AGRANT◆$907.7K

Weber Mark · SVP & COOFeb 27

7,796 sh @ $116.43

AGRANT—

Weber Mark · SVP & COOFeb 27

2,577 sh · +3.0% own

AGRANT◆$491.8K

Bonina Diane · VP, Gen'l Counsel…Feb 27

4,224 sh @ $116.43

AGRANT—

Bonina Diane · VP, Gen'l Counsel…Feb 27

1,396 sh · +7.1% own

AGRANT◆$208.1K

Boeschen Felix · VP Strategy/Invest…Feb 27

1,787 sh @ $116.43

AGRANT—

Boeschen Felix · VP Strategy/Invest…Feb 27

590 sh · +51.9% own

FTAX$3.5M

Sherman Jennifer L · President & CEOFeb 26

29,455 sh @ $117.63 · -4.6% own

AGRANT—

Sherman Jennifer L · President & CEOFeb 26

66,508 sh · +11.7% own

FTAX$750K

Hudson Ian A. · S.V.P. & CFOFeb 26

6,376 sh @ $117.63 · -6.2% own

AGRANT—

Hudson Ian A. · S.V.P. & CFOFeb 26

14,318 sh · +16.3% own

FTAX$1.2M

Weber Mark · SVP & COOFeb 26

9,843 sh @ $117.63 · -10.3% own

AGRANT—

Weber Mark · SVP & COOFeb 26

22,170 sh · +30.0% own

FTAX$437.3K

Bonina Diane · VP, Gen'l Counsel…Feb 26

3,718 sh @ $117.63 · -15.9% own

AGRANT—

Bonina Diane · VP, Gen'l Counsel…Feb 26

8,316 sh · +55.2% own

GGIFT—

Sherman Jennifer L · President & CEODec 18, 2025

1,805 sh · -0.3% own

GGIFT—

Workman John L · DirectorNov 10, 2025

2,500 sh · -4.2% own

MEXER◆—