---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-101144"
form_type: "8-K"
ticker: "STLD"
cik: "0001022671"
company_name: "STEEL DYNAMICS INC"
filed_at: "2023-09-15T23:59:59+00:00"
generated_at: "2026-06-10T15:51:09.946636+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Steel Dynamics appoints Jennifer Hamann, Union Pacific CFO, as independent director

## Summary
- Appointed Jennifer L. Hamann (age 56) as independent director for term ending May 2024; will serve on Audit Committee.
- Hamann has been EVP & CFO of Union Pacific since 2020; over 30 years at Union Pacific.
- Steel Dynamics sells rail to Union Pacific (~$19M in 2022) and buys transportation (~$42M) – less than 0.5% of each company's revenues.
- Appointment is for balance of one-year term; compensation per standard non-employee director arrangements.

## SEC filing metadata
- accession: 0001104659-23-101144
- form_type: 8-K
- ticker: STLD
- cik: 0001022671
- company_name: STEEL DYNAMICS INC
- filed_at: 2023-09-15T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1022671/000110465923101144/0001104659-23-101144-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1022671/000110465923101144/tm2326234d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-101144
- JSON: https://secwatch.observer/filing/0001104659-23-101144.json
- Plain text: https://secwatch.observer/filing/0001104659-23-101144.txt

## Key facts
- Executive change
  Jennifer L. Hamann was appointed as independent director at STEEL DYNAMICS INC.
  - Action: appointed
  - Role: independent director
  source text: On September 15, 2023, the Board of Directors of Steel Dynamics, Inc. (the “Company”) appointed Jennifer L. Hamann, age 56, as a new independent director, with a term ending May 2024 coinciding with the Company’s regularly held Annual Meeting of Stockholders.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1022671/000110465923101144/0001104659-23-101144-index.htm

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