MILLETT MARK D (CIK 1195949) reported 16 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-13). Recent activity: Buy STLD (46,422 shares), Sell STLD (20,625 shares), Sell STLD (2,928 shares), Sell STLD (2,934 shares), Sell STLD (5,153 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-13 | STEEL DYNAMICS INC (STLD) | Chairman and CEO | Buy | 46,422 | $0 |
| 2026-03-13 | STEEL DYNAMICS INC (STLD) | Chairman and CEO | Sell | 20,625 | $3.8M |
| 2026-02-25 | STEEL DYNAMICS INC (STLD) | Chairman & CEO | Sell | 2,928 | $566,246 |
| 2026-02-25 | STEEL DYNAMICS INC (STLD) | Chairman & CEO | Sell | 2,934 | $567,406 |
| 2026-02-25 | STEEL DYNAMICS INC (STLD) | Chairman & CEO | Sell | 5,153 | $1.0M |
| 2026-02-24 | STEEL DYNAMICS INC (STLD) | Chairman & CEO | Buy | 12,662 | $0 |
| 2025-11-25 | STEEL DYNAMICS INC (STLD) | Chairman and CEO | Buy | 569 | $0 |
| 2025-11-25 | STEEL DYNAMICS INC (STLD) | Chairman and CEO | Sell | 253 | $38,737 |
| 2025-05-20 | STEEL DYNAMICS INC (STLD) | Chairman and CEO | Sell | 37,000 | $0 |
| 2025-05-14 | STEEL DYNAMICS INC (STLD) | Chairman and CEO | Sell | 500 | $0 |
| 2025-03-14 | STEEL DYNAMICS INC (STLD) | Chairman and CEO | Buy | 81,171 | $0 |
| 2025-03-14 | STEEL DYNAMICS INC (STLD) | Chairman and CEO | Sell | 36,104 | $4.3M |
| 2025-02-25 | STEEL DYNAMICS INC (STLD) | Chairman & CEO | Sell | 2,937 | $383,895 |
| 2025-02-25 | STEEL DYNAMICS INC (STLD) | Chairman & CEO | Sell | 5,159 | $674,333 |
| 2025-02-25 | STEEL DYNAMICS INC (STLD) | Chairman & CEO | Sell | 3,931 | $523,413 |
| 2025-02-24 | STEEL DYNAMICS INC (STLD) | Chairman & CEO | Buy | 17,645 | $0 |
Source: SEC Form 4 filings · as of 2026-03-13