---
schema_version: "secwatch.filing_event.v1"
accession: "0000277509-25-000004"
form_type: "8-K"
ticker: "FSS"
cik: "0000277509"
company_name: "FEDERAL SIGNAL CORP /DE/"
filed_at: "2025-02-14T23:59:59+00:00"
generated_at: "2026-05-26T21:44:35.386335+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Federal Signal completes acquisition of Hog Technologies for initial $78.1M plus earn-out

## Summary
- Initial purchase price $78.1M, plus earn-out up to $15M on 2025 financial targets.
- Acquired Hog's primary manufacturing facility in Stuart, FL for $14.5M.
- Hog generated ~$65M revenue in 2024; aftermarket parts/services ~35% of total.
- Deal funded from cash on hand and revolver; expected accretive to 2025 earnings/cash flow.
- 2025 outlook including Hog impact to be issued during Q4 2024 earnings call later this month.

## SEC filing metadata
- accession: 0000277509-25-000004
- form_type: 8-K
- ticker: FSS
- cik: 0000277509
- company_name: FEDERAL SIGNAL CORP /DE/
- filed_at: 2025-02-14T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/277509/000027750925000004/0000277509-25-000004-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/277509/000027750925000004/fss-20250212.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000277509-25-000004
- JSON: https://secwatch.observer/filing/0000277509-25-000004.json
- Plain text: https://secwatch.observer/filing/0000277509-25-000004.txt

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