Current EVP & CFO Theresa E. Wagler will succeed retiring CEO Mark D. Millett in a planned leadership transition.
Filing excerpt
On August 3, 2026, Mark D. Millett, Steel Dynamics, Inc.’s (the “Company”) Chairman and Chief Executive Officer gave notice to the Company’s Board of Directors (the “Board”) of his intention to retire as Chief Executive Officer of the Company effective January 1, 2027.
What this signalsA new leader often reviews the tools the team uses.
sec-8kceoChangeGet every 8-K signal for Steel Dynamics and the companies you sell to, in the tools you already use.
Connect Autobound to Claude, Claude Code or Cursor with MCP. Then ask: “What changed at Steel Dynamics this week?”
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This page shows a preview. The full sec-8k record in the Signal API and MCP can also have these 8 fields. Some fields are empty for some signals.
Company
linkedin_urlValue in the APIindustriesValue in the APIemployee_count_lowValue in the APIemployee_count_highValue in the APIrevenueValue in the APIdescriptionValue in the APISignal
signal_nameValue in the APIassociationValue in the APIGET /v1/signals/2863895c-1483-41b1-9bac-ebe47eafb37a returns this record as JSON. POST /v1/companies/enrich returns every signal for steeldynamics.com.
{
"signal_id": "2863895c-1483-41b1-9bac-ebe47eafb37a",
"signal_type": "sec-8k",
"signal_subtype": "ceoChange",
"detected_at": "2026-08-11T08:07:11.204+00:00",
"company": {
"name": "Steel Dynamics",
"domain": "steeldynamics.com"
},
"data": {
"detail": "Current EVP & CFO Theresa E. Wagler will succeed retiring CEO Mark D. Millett in a planned leadership transition. New CEOs typically launch a 90-day review of corporate strategy, spending, and key vendor relationships, creating significant opportunities for new partners.",
"summary": "Steel Dynamics names Theresa Wagler as new President & CEO, effective January 1, 2027",
"excerpts": "On August 3, 2026, Mark D. Millett, Steel Dynamics, Inc.’s (the “Company”) Chairman and Chief Executive Officer gave notice to the Company’s Board of Directors (the “Board”) of his intention to retire as Chief Executive Officer of the Company effective January 1, 2027.",
"relevance": 1,
"sentiment": "neutral",
"confidence": "high",
"source_url": "https://www.sec.gov/Archives/edgar/data/1022671/000110465926090129/tm2622182d1_8k.htm",
"filing_date": "2026-08-04",
"filing_year": 2026,
"sales_relevance": "Full vendor review - highest priority",
"signal_category": "leadership"
}
}
curl https://signals.autobound.ai/v1/signals/2863895c-1483-41b1-9bac-ebe47eafb37a \
-H "X-API-KEY: $AUTOBOUND_API_KEY"curl -X POST https://signals.autobound.ai/v1/companies/enrich \
-H "X-API-KEY: $AUTOBOUND_API_KEY" \
-H "Content-Type: application/json" \
-d '{"domain":"steeldynamics.com","limit":20}'Long text fields are shortened on this page.
Looking up one signal by its id is free. Enrich costs 2 credits per signal returned; a call with no results is free.