---
schema_version: "secwatch.filing_event.v1"
accession: "0000874238-25-000065"
form_type: "8-K"
ticker: "STRL"
cik: "0000874238"
company_name: "STERLING INFRASTRUCTURE, INC."
filed_at: "2025-05-05T23:59:59+00:00"
generated_at: "2026-05-22T21:38:34.518581+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Sterling Q1 adj EPS $1.63 (+29% YoY); revenue $430.9M (+7%); raises FY25 guidance

## Summary
- Q1 revenue $430.9M (+7% pro forma ex-RHB); gross margin 22.0% vs 17.5% YoY.
- Adjusted diluted EPS $1.63, up 29% YoY; net income $39.5M ($1.28 diluted).
- Backlog $2.13B (+17% YoY like-for-like); book-to-burn 2.2x; data centers >65% of E-Infra backlog.
- Acquired Drake Concrete for $25M cash + earn-out; expected $55M revenue, $6.5M adj EBITDA in 2025.
- Raised FY25 guidance: adj diluted EPS $8.40-8.90, revenue $2.05-2.15B, adj EBITDA $410-432M.

## SEC filing metadata
- accession: 0000874238-25-000065
- form_type: 8-K
- ticker: STRL
- cik: 0000874238
- company_name: STERLING INFRASTRUCTURE, INC.
- filed_at: 2025-05-05T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/874238/000087423825000065/0000874238-25-000065-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/874238/000087423825000065/strl-20250505.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000874238-25-000065
- JSON: https://secwatch.observer/filing/0000874238-25-000065.json
- Plain text: https://secwatch.observer/filing/0000874238-25-000065.txt

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