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Federal Signal Corp. (FSS)

Federal Signal Corp. (FSS) Insider Trading

Directors, officers and holders of more than 10% of FSS report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 115 transactions on file: 1 with code P, 6 with code S and 43 with other codes.

DateInsiderCodeShares
Sep 25, 2026Vaillancourt Eric A.A Award104
Sep 25, 2026Maue Richard AA Award108
Aug 4, 2026Bonina DianeS Sale6,350
Aug 4, 2026REICHELDERFER BRENDAS Sale6,070
Aug 4, 2026Bonina DianeM Exercise8,406
Aug 4, 2026Bonina DianeM Exercise8,406
Aug 4, 2026Bonina DianeM Exercise6,450
Aug 4, 2026REICHELDERFER BRENDAG Gift7,650
Aug 4, 2026Bonina DianeS Sale100
Aug 4, 2026Bonina DianeM Exercise6,450
Aug 4, 2026Bonina DianeS Sale8,306
Aug 4, 2026Bonina DianeS Sale100
Aug 3, 2026Bonina DianeS Sale4,408
Jun 26, 2026Maue Richard AA Award99
Jun 26, 2026Vaillancourt Eric A.A Award96
May 4, 2026SHERMAN JENNIFER LF Tax Payment7,695
May 4, 2026WEBER MARKF Tax Payment2,278
May 4, 2026Bonina DianeF Tax Payment962
May 4, 2026Hudson Ian A.F Tax Payment1,657
May 1, 2026SHERMAN JENNIFER LM Exercise59,242
May 1, 2026SHERMAN JENNIFER LF Tax Payment29,680
May 1, 2026SHERMAN JENNIFER LM Exercise59,242
Apr 21, 2026REICHELDERFER BRENDAA Award1,674
Apr 21, 2026Lowe Eugene Joseph IIIA Award1,277
Apr 21, 2026Helmkamp Katrina LA Award1,277
Apr 21, 2026Vaillancourt Eric A.A Award1,277
Apr 21, 2026Patel ShashankA Award1,277
Apr 21, 2026Workman John LA Award1,277
Apr 21, 2026Maue Richard AA Award1,277
Mar 27, 2026Vaillancourt Eric A.A Award42
Mar 27, 2026Maue Richard AA Award43
Mar 10, 2026Maue Richard AP Purchase2,000
Mar 4, 2026REICHELDERFER BRENDAG Gift215
Feb 27, 2026Bonina DianeA Award4,224
Feb 27, 2026SHERMAN JENNIFER LA Award35,742
Feb 27, 2026Hudson Ian A.A Award7,309
Feb 27, 2026WEBER MARKA Award7,796
Feb 27, 2026SHERMAN JENNIFER LA Award11,810
Feb 27, 2026Boeschen FelixA Award1,787
Feb 27, 2026Hudson Ian A.A Award2,416
Feb 27, 2026Bonina DianeA Award1,396
Feb 27, 2026WEBER MARKA Award2,577
Feb 27, 2026Boeschen FelixA Award590
Feb 26, 2026Bonina DianeA Award8,316
Feb 26, 2026SHERMAN JENNIFER LF Tax Payment29,455
Feb 26, 2026SHERMAN JENNIFER LA Award66,508
Feb 26, 2026Hudson Ian A.F Tax Payment6,376
Feb 26, 2026Hudson Ian A.A Award14,318
Feb 26, 2026Bonina DianeF Tax Payment3,718
Feb 26, 2026WEBER MARKA Award22,170

The full Form 4 history is on the FSS company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.