Updated Jul 16, 2026 · Last SEC filing 2026-07-14
STEEL DYNAMICS INC (STLD) has filed 22 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-14. 3 Form 8-K material event filings were reported by STLD in the last 90 days. 7 Form 144 notices of proposed sale were filed for STLD stock. InsiderAlpha tracks every STLD SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens) (SIC 3312) |
|---|---|
| SEC CIK | 0001022671 |
| Form 4 filings (90d) | 22 |
|---|---|
| Form 8-K filings (90d) | 3 |
| Form 144 notices (90d) | 7 |
| Latest Form 4 filing | 2026-07-14 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| DOLAN TRACI M | Director | A — Grant or award | 102 | $0.00 | — | SEC | |
| Hamann Jennifer L | Director | A — Grant or award | 18 | $0.00 | — | SEC | |
| Seaman Bradley S | Director | A — Grant or award | 109 | $0.00 | — | SEC | |
| Sierra Luis Manuel | Director | A — Grant or award | 7 | $0.00 | — | SEC | |
| BARGABOS SHEREE L | Director | A — Grant or award | 43 | $0.00 | — | SEC | |
| Cornew Kenneth W. | Director | A — Grant or award | 2 | $0.00 | — | SEC | |
| Anderson James Stanley | Senior Vice President | S — Open-market sale | 4.4K | $269.22 | $1.18M | SEC | |
| Anderson James Stanley | Senior Vice President | S — Open-market sale | 1.1K | $267.35 | $294K | SEC | |
| Anderson James Stanley | Senior Vice President | S — Open-market sale | 4.2K | $268.42 | $1.12M | SEC | |
| Anderson James Stanley | Senior Vice President | S — Open-market sale | 322 | $269.93 | $87K | SEC | |
| Cornew Kenneth W. | Director | A — Grant or award | 712 | $0.00 | — | SEC | |
| BARGABOS SHEREE L | Director | A — Grant or award | 712 | $0.00 | — | SEC | |
| Hamann Jennifer L | Director | A — Grant or award | 712 | $0.00 | — | SEC | |
| DOLAN TRACI M | Director | A — Grant or award | 712 | $0.00 | — | SEC | |
| Seaman Bradley S | Director | A — Grant or award | 712 | $0.00 | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for STEEL DYNAMICS INC (STLD). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Anderson James Stanley | 4 | $2.69M |
| Cornew Kenneth W. | 4 | $1.12M |
| BARGABOS SHEREE L | 3 | — |
| Hamann Jennifer L | 3 | — |
| Graham Christopher A | 3 | $2.13M |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in STLD insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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