---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-036817"
form_type: "8-K"
ticker: "FSS"
cik: "0000277509"
company_name: "FEDERAL SIGNAL CORP /DE/"
filed_at: "2026-05-20T18:15:02+00:00"
generated_at: "2026-05-20T18:16:33.507330+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.1
calibrated_materiality_score: 0.1
confidence: "low"
source: SEC EDGAR
---

# Federal Signal posts investor presentation on website; no material new information

## Summary
- Presentation dated May 2026 posted to company website for investor discussions.
- No specific financial results, guidance, or material events disclosed in filing.
- Presentation includes unaudited information; full content not provided in filing text.
- Filing is routine Regulation FD disclosure; no change in business outlook.

## SEC filing metadata
- accession: 0001628280-26-036817
- form_type: 8-K
- ticker: FSS
- cik: 0000277509
- company_name: FEDERAL SIGNAL CORP /DE/
- filed_at: 2026-05-20T18:15:02+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.1
- calibrated_materiality_score: 0.1
- confidence: low
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/277509/000162828026036817/0001628280-26-036817-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/277509/000162828026036817/fss-20260520.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-036817
- JSON: https://secwatch.observer/filing/0001628280-26-036817.json
- Plain text: https://secwatch.observer/filing/0001628280-26-036817.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.