---
schema_version: "secwatch.filing_event.v1"
accession: "0000352825-25-000049"
form_type: "8-K"
ticker: "FSTR"
cik: "0000352825"
company_name: "FOSTER L B CO"
filed_at: "2025-03-04T23:59:59+00:00"
generated_at: "2026-05-25T16:17:19.736125+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# L.B. Foster Q4 net loss narrows to $0.2M; adj. EBITDA up 18.7%; new $40M buyback; 2025 EBITDA guidance $42-48M

## Summary
- Q4 net sales $128.2M (-5% YoY); net loss $0.2M vs. $0.4M loss a year ago.
- Full-year adjusted EBITDA $33.6M (+5.7% YoY); net income $42.9M includes $31.9M tax benefit.
- New $40M share repurchase authorization through Feb 2028, replacing expired $15M program.
- 2025 guidance: net sales $540-580M, adjusted EBITDA $42-48M, free cash flow $20-30M.
- Rail segment Q4 sales up 14.2% with 300 bps margin expansion; Infrastructure segment sales down 25.2%.

## SEC filing metadata
- accession: 0000352825-25-000049
- form_type: 8-K
- ticker: FSTR
- cik: 0000352825
- company_name: FOSTER L B CO
- filed_at: 2025-03-04T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/352825/000035282525000049/0000352825-25-000049-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/352825/000035282525000049/fstr-20250304.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000352825-25-000049
- JSON: https://secwatch.observer/filing/0000352825-25-000049.json
- Plain text: https://secwatch.observer/filing/0000352825-25-000049.txt

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