secwatch / observer
8-K filed August 4, 2026, 9:57 AM ET ticker STLD CIK 0001022671
leadership confidence high sentiment positive materiality 0.75

Steel Dynamics CEO Mark Millett to retire Jan 1, 2027; Theresa Wagler named successor

STEEL DYNAMICS INC

item 5.02item 7.01item 9.01

Executive movements

Machine-extracted from this filing. Every card cites the SEC source. See all recent executive movements.

Role change

Miguel Alvarez

Executive Vice President and Chief Operating Officer Aluminum Flat Rolled Products and Metals Recycling Operations
STLD · STEEL DYNAMICS INC
Effective
2026-09-01
Filed
August 4, 2026, 9:57 AM ET
Miguel Alvarez, the Company’s Senior Vice President Aluminum Group, will become the Company’s Executive Vice President and Chief Operating Officer Aluminum Flat Rolled Products and Metals Recycling Operations
Role change

James Anderson

Executive Vice President and Chief Operating Officer Construction Products Operations
STLD · STEEL DYNAMICS INC
Effective
2026-09-01
Filed
August 4, 2026, 9:57 AM ET
James Anderson, the Company’s Senior Vice President Long Products Steel Group, will become the Company’s Executive Vice President and Chief Operating Officer Construction Products Operations
Role change

Richard A. Poinsatte

Executive Vice President and Chief Financial Officer
STLD · STEEL DYNAMICS INC
Effective
2027-01-01
Filed
August 4, 2026, 9:57 AM ET
Richard A. Poinsatte, the Company’s Executive Vice President and Treasurer, will become the Company’s Executive Vice President and Chief Financial Officer
Role change

Theresa E. Wagler

President and Chief Executive Officer
STLD · STEEL DYNAMICS INC
Effective
2027-01-01
Filed
August 4, 2026, 9:57 AM ET
Theresa E. Wagler, the Company’s Executive Vice President and Chief Financial Officer, will become the Company’s President and Chief Executive Officer
Appointed

Theresa E. Wagler

Member of the Board
STLD · STEEL DYNAMICS INC
Effective
2026-08-03
Filed
August 4, 2026, 9:57 AM ET
Effective immediately, the Board appointed Ms. Wagler as a member of the Board
Role change

Christopher Graham

Executive Vice President and Chief Operating Officer Flat Rolled Steel Operations
STLD · STEEL DYNAMICS INC
Effective
2026-09-01
Filed
August 4, 2026, 9:57 AM ET
Christopher Graham, the Company’s Senior Vice President Flot Roll Steel Group, will become the Company’s Executive Vice President and Chief Operating Officer Flat Rolled Steel Operations
Role change

Mark D. Millett

Executive Chairman
STLD · STEEL DYNAMICS INC
Effective
2027-01-01
Successor
Theresa E. Wagler
Filed
August 4, 2026, 9:57 AM ET
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.
Role change

Barry Schneider

Executive Vice President and Chief Technology Officer
STLD · STEEL DYNAMICS INC
Effective
2026-09-01
Filed
August 4, 2026, 9:57 AM ET
Barry Schneider, the Company’s President and Chief Operating Officer, will become the Company’s Executive Vice President and Chief Technology Officer

Key facts

Extracted from this filing and checked against the source text.

Executive change SEC 8-K Item 5.02 confidence 0.95

Miguel Alvarez was appointed as Executive Vice President and Chief Operating Officer Aluminum Flat Rolled Products and Metals Recycling Operations at STEEL DYNAMICS INC.

Action
appointed
Role
Executive Vice President and Chief Operating Officer Aluminum Flat Rolled Products and Metals Recycling Operations
Exact text from the filing
Miguel Alvarez, the Company’s Senior Vice President Aluminum Group, will become the Company’s Executive Vice President and Chief Operating Officer Aluminum Flat Rolled Products and Metals Recycling Operations
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

James Anderson was appointed as Executive Vice President and Chief Operating Officer Construction Products Operations at STEEL DYNAMICS INC.

Action
appointed
Role
Executive Vice President and Chief Operating Officer Construction Products Operations
Exact text from the filing
James Anderson, the Company’s Senior Vice President Long Products Steel Group, will become the Company’s Executive Vice President and Chief Operating Officer Construction Products Operations
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Richard A. Poinsatte was appointed as Executive Vice President and Chief Financial Officer at STEEL DYNAMICS INC.

Action
appointed
Role
Executive Vice President and Chief Financial Officer
Exact text from the filing
Richard A. Poinsatte, the Company’s Executive Vice President and Treasurer, will become the Company’s Executive Vice President and Chief Financial Officer
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Theresa E. Wagler was appointed as President and Chief Executive Officer at STEEL DYNAMICS INC.

Action
appointed
Role
President and Chief Executive Officer
Exact text from the filing
Theresa E. Wagler, the Company’s Executive Vice President and Chief Financial Officer, will become the Company’s President and Chief Executive Officer
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Theresa E. Wagler was appointed as Member of the Board at STEEL DYNAMICS INC.

Action
appointed
Role
Member of the Board
Exact text from the filing
Effective immediately, the Board appointed Ms. Wagler as a member of the Board
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Christopher Graham was appointed as Executive Vice President and Chief Operating Officer Flat Rolled Steel Operations at STEEL DYNAMICS INC.

Action
appointed
Role
Executive Vice President and Chief Operating Officer Flat Rolled Steel Operations
Exact text from the filing
Christopher Graham, the Company’s Senior Vice President Flot Roll Steel Group, will become the Company’s Executive Vice President and Chief Operating Officer Flat Rolled Steel Operations
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Mark D. Millett was appointed as Executive Chairman at STEEL DYNAMICS INC.

Action
retired as CEO, appointed Executive Chairman
Role
Executive Chairman
Exact text from the filing
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.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Barry Schneider was appointed as Executive Vice President and Chief Technology Officer at STEEL DYNAMICS INC.

Action
appointed
Role
Executive Vice President and Chief Technology Officer
Exact text from the filing
Barry Schneider, the Company’s President and Chief Operating Officer, will become the Company’s Executive Vice President and Chief Technology Officer
View on SEC.gov

STEEL DYNAMICS INC filing history →

Source: SEC EDGAR
accession 0001104659-26-090129
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