MILLETT MARK D 4
4 · STEEL DYNAMICS INC · Filed Feb 25, 2026
Insider Transaction Report
Form 4
MILLETT MARK D
DirectorChairman and CEO
Transactions
- Tax Payment
Common Stock
[F1]2026-02-23$193.39/sh−2,928$566,246→ 2,998,991 total - Tax Payment
Common Stock
[F1]2026-02-23$193.39/sh−2,934$567,406→ 2,996,057 total - Tax Payment
Common Stock
[F1]2026-02-24$196.01/sh−5,153$1,010,040→ 2,990,904 total
Footnotes (1)
- [F1]Represents disposition to issuer to cover taxes payable upon vesting of previously issued and reported restricted stock units, exempt pursuant to Rule 16b-3.
Signature
/s/ Mark D. Millett|2026-02-25