Company · CIK 0001022671 · SIC 3312 — Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens) · Nasdaq
STEEL DYNAMICS INC · STLD
Insider activity reported against this company. All insider holders · Files at: STLD. On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 13, 2026 AForm 4 → | Aug 14, 2:37 pm EDT | Jennifer L HamannDirector | 72 | — | — | 5,376 | — | |
| Jul 28, 2026 GForm 4 → | Jul 28, 4:07 pm EDT | Mark D MillettChairman and CEO, Director | 300 | — | — | 3,016,401 | — | |
| Jul 10, 2026 AForm 4 → | Jul 14, 11:15 am EDT | Luis Manuel SierraDirector | 7 | — | — | 11,523 | — | |
| Jul 10, 2026 AForm 4 → | Jul 14, 11:15 am EDT | Bradley S SeamanDirector | 109 | — | — | 51,600 | — | |
| Jul 10, 2026 AForm 4 → | Jul 14, 11:15 am EDT | Jennifer L HamannDirector | 18 | — | — | 5,304 | — | |
| Jul 10, 2026 AForm 4 → | Jul 14, 11:15 am EDT | Traci M DolanDirector | 102 | — | — | 58,970 | — | |
| Jul 10, 2026 AForm 4 → | Jul 14, 11:14 am EDT | Kenneth W. CornewDirector | 2 | — | — | 32,013 | — | |
| Jul 10, 2026 AForm 4 → | Jul 14, 11:14 am EDT | Sheree L BargabosDirector | 43 | — | — | 27,105 | — |
Reported at this company — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.
Filed by this entity as an insider elsewhere — common stock
No reported common-stock activity in this period.
Filed by this entity as an insider elsewhere — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.