---
schema_version: "secwatch.filing_event.v1"
accession: "0000352825-23-000106"
form_type: "8-K"
ticker: "FSTR"
cik: "0000352825"
company_name: "FOSTER L B CO"
filed_at: "2023-11-07T23:59:59+00:00"
generated_at: "2026-06-08T18:02:31.679864+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# L.B. Foster Q3 net sales up 11.8% to $145.3M; adj. EBITDA up 14.2%; narrows FY2023 guidance midpoints

## Summary
- Gross profit $28.2M (+22.2% YoY); gross margin 19.4% (+160 bps); adj. gross margin 21.2% (+40 bps).
- Net income $0.5M favorable $2.6M YoY; adj. EBITDA $10.6M (+14.2% YoY).
- Net debt reduced $16.9M in Q3 to $68.7M; gross leverage ratio improved to 2.0x from 2.5x prior quarter.
- Non-routine items: bridge grid deck exit cost estimate increased to ~$4.6M ($4.1M in Q3); $0.9M UK customer provision.
- Backlog $243.2M; TTM book-to-bill 1.03:1.00; FY2023 sales and adj. EBITDA guidance narrowed with midpoints reaffirmed.

## SEC filing metadata
- accession: 0000352825-23-000106
- form_type: 8-K
- ticker: FSTR
- cik: 0000352825
- company_name: FOSTER L B CO
- filed_at: 2023-11-07T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/352825/000035282523000106/0000352825-23-000106-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/352825/000035282523000106/fstr-20231107.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000352825-23-000106
- JSON: https://secwatch.observer/filing/0000352825-23-000106.json
- Plain text: https://secwatch.observer/filing/0000352825-23-000106.txt

## Key facts
- Earnings Releases
  FOSTER L B CO reported the third quarter ended September 30, 2023 results: revenue $145.3 million, net income $0.5 million. Guidance reaffirmed.
  - Period: the third quarter ended September 30, 2023
  - Revenue: $145.3 million
  - Net income: $0.5 million
  - Guidance: reaffirmed
  - Result: reported results
  source text: Foster Third Quarter 2023 Adjusted Results Reflect Ongoing Profitability Improvement and Strong Cash Flow; Reaffirming Midpoints of 2023 Guidance • Third quarter net sales of $145.3 million up 11.8% year over year (10.0% adjusted for non-routine items 1 ). Adjusted organic growth 1 was 12.6% partially offset by portfolio changes of 2.6%. • Gross profit of $28.2
  evidence_url: https://www.sec.gov/Archives/edgar/data/352825/000035282523000106/0000352825-23-000106-index.htm

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