SEC Filing Summary for Steel Dynamics Inc.

Bradley S. Seaman, a director at Steel Dynamics Inc. (STLD), acquired 129 shares of common stock on April 10, 2026. This acquisition, valued at $0 per share, was part of a dividend reinvestment plan related to additional deferred stock units. The transaction is reported under SEC Form 4 and is exempt from certain reporting and short-swing profit provisions due to its nature as a dividend equivalent and under Rule 16b-3(d)(1) and (3). Following this transaction, Seaman directly owns 50,779 shares of Steel Dynamics Inc. common stock. The shares are reportable as directly owned stock rather than a derivative security. The filing also notes that shares include those from dividend reinvestments.