Steel Dynamics Inc (STLD) insider trading
Every open-market stock purchase and sale by Steel Dynamics Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Insiders sold $8.9M over the last 12 months (6 sales). No open-market buys.
- Last insider buy: Bradley S Seaman (Director), $125K, 6 years ago.
- Congress: Gilbert Cisneros bought $1K to $15K, 9 months ago.
Last 12 months: insiders bought $0 (0 buys) and sold $8.9M (6 sales). Last close $255.77 on Aug 14, 2026.
Recent STLD insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Aug 13, 2026 | Jennifer L Hamann (Director) | Bought (not open market) | — |
| Jul 28, 2026 | Mark D Millett (CEO) | Sold (not open market) | — |
| Jul 10, 2026 | Jennifer L Hamann (Director) | Bought (not open market) | — |
| Jul 10, 2026 | Traci M Dolan (Director) | Bought (not open market) | — |
| Jul 10, 2026 | Kenneth W. Cornew (Director) | Bought (not open market) | — |
| Jul 10, 2026 | Bradley S Seaman (Director) | Bought (not open market) | — |
| Jul 10, 2026 | Luis Manuel Sierra (Director) | Bought (not open market) | — |
| Jul 10, 2026 | Sheree L Bargabos (Director) | Bought (not open market) | — |
| Jun 5, 2026 | James Stanley Anderson (President) | Sold | $1.2M |
| Jun 5, 2026 | James Stanley Anderson (President) | Sold | $1.1M |
| Jun 5, 2026 | James Stanley Anderson (President) | Sold | $294K |
| Jun 5, 2026 | James Stanley Anderson (President) | Sold | $86.9K |
| Jun 1, 2026 | Traci M Dolan (Director) | Bought (not open market) | — |
| Jun 1, 2026 | Bradley S Seaman (Director) | Bought (not open market) | — |
| Jun 1, 2026 | Luis Manuel Sierra (Director) | Bought (not open market) | — |
| Jun 1, 2026 | Kenneth W. Cornew (Director) | Bought (not open market) | — |
| Jun 1, 2026 | Jennifer L Hamann (Director) | Bought (not open market) | — |
| Jun 1, 2026 | Sheree L Bargabos (Director) | Bought (not open market) | — |
| May 14, 2026 | Richard A Poinsatte (President) | Sold (not open market) | — |
| May 13, 2026 | Christopher A Graham (President) | Sold | $711K |
| May 13, 2026 | Christopher A Graham (President) | Sold | $711K |
| May 13, 2026 | Christopher A Graham (President) | Sold | $709K |
| May 12, 2026 | Richard A Poinsatte (President) | Sold | $538K |
| May 6, 2026 | Sheree L Bargabos (Director) | Bought (not open market) | — |
| May 6, 2026 | Richard P Teets Jr (Director) | Bought (not open market) | — |
Who's trading STLD
- Jennifer L Hamann, Director: other filings, last Aug 13, 2026
- Mark D Millett, CEO: other filings, last Jul 28, 2026
- Sheree L Bargabos, Director: other filings, last Jul 10, 2026
- Luis Manuel Sierra, Director: other filings, last Jul 10, 2026
- Traci M Dolan, Director: other filings, last Jul 10, 2026
- Kenneth W. Cornew, Director: sold $1.1M (2 sales), last Jul 10, 2026
- Bradley S Seaman, Director: other filings, last Jul 10, 2026
- James Stanley Anderson, President: sold $2.7M (4 sales), last Jun 5, 2026
- Richard A Poinsatte, President: sold $538K (1 sale), last May 14, 2026
- Christopher A Graham, President: sold $2.1M (3 sales), last May 13, 2026
- Richard P Teets Jr, Director: other filings, last May 6, 2026
- Chad Bickford, President: other filings, last May 1, 2026
- Miguel Alvarez, President: sold $2.4M (4 sales), last Apr 23, 2026
- Gabriel Shaheen, Director: other filings, last Apr 10, 2026
- Theresa E Wagler, CFO: other filings, last Mar 13, 2026
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