Mark D. Millett - 23 Feb 2026 Form 4 Insider Report for STEEL DYNAMICS INC (STLD)

Role
Chairman & CEO, Director
Signature
/s/ Mark D. Millett
Issuer symbol
STLD
Transactions as of
23 Feb 2026
Net transactions value
-$2,143,692
Form type
4
Filing time
25 Feb 2026, 13:09:04 UTC
Previous filing
24 Feb 2026
Next filing
13 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
MILLETT MARK D Chairman & CEO, Director 7575 W. JEFFERSON BLVD., FORT WAYNE /s/ Mark D. Millett 25 Feb 2026 0001195949

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction STLD Common Stock Tax liability $566,246 -2,928 -0.1% $193.39 2,998,991 23 Feb 2026 Direct F1
transaction STLD Common Stock Tax liability $567,406 -2,934 -0.1% $193.39 2,996,057 23 Feb 2026 Direct F1
transaction STLD Common Stock Tax liability $1,010,040 -5,153 -0.17% $196.01 2,990,904 24 Feb 2026 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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.