Who
Mark D. Millett
Chairman and CEO
Company insider
Files Form 4 as: Chairman and CEO, Steel Dynamics.
In numbers
- Trades disclosed
- 237
- Buys
- 4
- Sells
- 4
- Bought
- $101K
- Sold
- $33.8M
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 1 Feb 2006
- Last trade
- 28 Jul 2026
- Last filed
- 28 Jul 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 28 Jul 2026filed 28 Jul 2026 | STLD Steel DynamicsSteel & Metals Processing | SEC FORM 4 Code G | —300 at $0.00 | filing |
| 28 Jul 2026filed 28 Jul 2026 | STLD Steel DynamicsSteel & Metals Processing | SEC FORM 4 Code G | —300 at $0.00 | filing |
| 13 Mar 2026filed 13 Mar 2026 | STLD Steel DynamicsSteel & Metals Processing | SEC FORM 4 Code A | —46,422 at $0.00 | filing |
| 13 Mar 2026filed 13 Mar 2026 | STLD Steel DynamicsSteel & Metals Processing | SEC FORM 4 Code F | $3.8M20,625 at $182.19 | filing |
| 13 Mar 2026filed 13 Mar 2026 | STLD Steel DynamicsSteel & Metals Processing | SEC FORM 4 Code A | —46,422 at $0.00 | filing |
| 13 Mar 2026filed 13 Mar 2026 | STLD Steel DynamicsSteel & Metals Processing | SEC FORM 4 Code F | $3.8M20,625 at $182.19 | filing |
| 24 Feb 2026filed 25 Feb 2026 | STLD Steel DynamicsSteel & Metals Processing | SEC FORM 4 Code F | $1.0M5,153 at $196.01 | filing |
| 24 Feb 2026filed 25 Feb 2026 | STLD Steel DynamicsSteel & Metals Processing | SEC FORM 4 Code F | $1.0M5,153 at $196.01 | filing |
| 23 Feb 2026filed 25 Feb 2026 | STLD Steel DynamicsSteel & Metals Processing | SEC FORM 4 Code F | $566K2,928 at $193.39 | filing |
| 23 Feb 2026filed 25 Feb 2026 | STLD Steel DynamicsSteel & Metals Processing | SEC FORM 4 Code F | $567K2,934 at $193.39 | filing |
| 23 Feb 2026filed 25 Feb 2026 | STLD Steel DynamicsSteel & Metals Processing | SEC FORM 4 Code F | $566K2,928 at $193.39 | filing |
| 23 Feb 2026filed 25 Feb 2026 | STLD Steel DynamicsSteel & Metals Processing | SEC FORM 4 Code F | $567K2,934 at $193.39 | filing |
| 20 Feb 2026filed 24 Feb 2026 | STLD Steel DynamicsSteel & Metals Processing | SEC FORM 4 Code A | —12,662 at $0.00 | filing |
| 20 Feb 2026filed 24 Feb 2026 | STLD Steel DynamicsSteel & Metals Processing | SEC FORM 4 Code A | —12,662 at $0.00 | filing |
| 21 Nov 2025filed 25 Nov 2025 | STLD Steel DynamicsSteel & Metals Processing | SEC FORM 4 Code A | —569 at $0.00 | filing |
| 21 Nov 2025filed 25 Nov 2025 | STLD Steel DynamicsSteel & Metals Processing | SEC FORM 4 Code F | $39K253 at $153.11 | filing |
| 19 May 2025filed 20 May 2025 | STLD Steel DynamicsSteel & Metals Processing | SEC FORM 4 Code G | —37,000 at $0.00 | filing |
| 9 May 2025filed 14 May 2025 | STLD Steel DynamicsSteel & Metals Processing | SEC FORM 4 Code G | —500 at $0.00 | filing |
| 14 Mar 2025filed 14 Mar 2025 | STLD Steel DynamicsSteel & Metals Processing | SEC FORM 4 Code A | —81,171 at $0.00 | filing |
| 14 Mar 2025filed 14 Mar 2025 | STLD Steel DynamicsSteel & Metals Processing | SEC FORM 4 Code F | $4.3M36,104 at $119.40 | filing |
News
Steel Dynamics Reports Third Quarter 2026 ResultsSTLD · prnewswire.com · 19 Oct 2026Cleveland-Cliffs Drops 4% as Tariff Doubt Returns; Nucor and Steel Dynamics SlipSTLD · 247wallst.com · 15 Oct 2026Steel Dynamics (NASDAQ:STLD) & Mesabi Trust (NYSE:MSB) Head-To-Head ReviewSTLD · themarketsdaily.com · 13 Oct 2026
0 headlines in the last 90 days name Mark D. Millett; 3 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.