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Form 8-K · Current Report · Filed 2026-08-04

Steel Dynamics Announces Leadership Transition with New CEO and Executive Chairman

Steel Dynamics, Inc. announced on August 4, 2026, that Mark D. Millett, the current Chairman and Chief Executive Officer, will retire as CEO and transition to the role of Executive Chairman effective January 1, 2027. Theresa E. Wagler, the current Executive Vice President and Chief Financial Officer, will become the new President and CEO of the company. Additionally, Richard A. Poinsatte, the current Executive Vice President and Treasurer, will succeed Wagler as the new Chief Financial Officer. Several other senior leadership roles are also being changed to support the company's long-term growth strategy. These changes reflect a thoughtful succession planning process and aim to position Steel Dynamics for continued success.

Filer
Steel Dynamics Inc. STLD · NASDAQ
Filed
Accession
0001104659-26-090129
CIK
0001022671
Signal
High impactBasic Materials

Items reported

Item events

Reported Item

CEO Resignation New CEO Appointed CFO Resignation New CFO Appointed Key Executive Appointment

Market reaction

Close before filing

$251.26

Since filing

+0.0%

Latest close

$251.26

What happened, not what will happen — closing prices around the filing date.

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Previous filings from STLD reporting the same item, with the next session's move:

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Within 45 days of this filing, STLD insiders reported 7 Form 4 transactions — flat net activity.

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About Steel Dynamics Inc.

Steel Dynamics Inc. is a leading American steel producer that plays a crucial role in the manufacturing and construction industries. Known for its vertically integrated business model, the company operates through a network of steel mills, production facilities, and supply chains that enhance efficiency and cost-effectiveness. Steel Dynamics Inc. specializes in flat-rolled steel products, long products, and various other related metals catering to industries such as automotive, construction, and industrial manufacturing. Founded in 1993 and headquartered in Fort Wayne, Indiana, Steel Dynamics has established itself as a significant player in the steel production sector through innovation and sustainability efforts, such as recycling and minimizing waste. The company significantly impacts the construction and infrastructure industries by providing essential materials for roads, bridges, and buildings. Its role extends to impacting global trade and market dynamics, particularly within the North American steel industry. Steel Dynamics Inc. continues to evolve its technological capabilities and product offerings, solidifying its importance in the global steel market as a reliable source of high-quality steel products.

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