Form4insider filings, from the source

Company · CIK 0000277509 · SIC 3711 — Motor Vehicles & Passenger Car Bodies · NYSE

FEDERAL SIGNAL CORP /DE/ · FSS

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $3.3M · 2net −$3.3M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesMar 28Apr 27May 28Jun 28Jul 29Aug 29Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 4, 2026 SForm 4 →Aug 6, 2:58 pm EDTBrenda ReichelderferDirector6,070$131.02$795,27345,888−11.7%
Aug 4, 2026 GForm 4 →Aug 6, 2:58 pm EDTBrenda ReichelderferDirector7,650——51,958—
Aug 4, 2026 MForm 4 →Aug 5, 6:37 pm EDTDiane BoninaVP, Gen'l Counsel & Secretary14,856$42.75$635,10922,139—
Aug 3, 2026 SForm 4 →Aug 5, 6:37 pm EDTDiane BoninaVP, Gen'l Counsel & Secretary19,264$130.06$2,505,38615,689−55.1%
Jun 26, 2026 AForm 4 →Jun 29, 12:21 pm EDTEric A. VaillancourtDirector96——1,415—
Jun 26, 2026 AForm 4 →Jun 29, 12:16 pm EDTRichard A MaueDirector99——3,419—

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 4, 2026 MForm 4 →Aug 5, 6:37 pm EDTDiane BoninaVP, Gen'l Counsel & Secretary14,856——0—