---
schema_version: "secwatch.filing_event.v1"
accession: "0000874238-25-000131"
form_type: "8-K"
ticker: "STRL"
cik: "0000874238"
company_name: "STERLING INFRASTRUCTURE, INC."
filed_at: "2025-09-24T23:59:59+00:00"
generated_at: "2026-05-17T05:51:02.637873+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Sterling Infrastructure EVP Ronald Ballschmiede retires effective September 24, 2025

## Summary
- Ronald A. Ballschmiede, Executive Vice President, notified retirement from all positions.
- Retirement effective September 24, 2025; no successor announced.
- Departure had been previously disclosed as expected in 2025.

## SEC filing metadata
- accession: 0000874238-25-000131
- form_type: 8-K
- ticker: STRL
- cik: 0000874238
- company_name: STERLING INFRASTRUCTURE, INC.
- filed_at: 2025-09-24T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/874238/000087423825000131/0000874238-25-000131-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/874238/000087423825000131/strl-20250923.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000874238-25-000131
- JSON: https://secwatch.observer/filing/0000874238-25-000131.json
- Plain text: https://secwatch.observer/filing/0000874238-25-000131.txt

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