Steel Dynamics's top three insider shareholders as of March 23, 2026 are Richard P Jr Teets (Director, 4.98Mn shares), Mark D Millett (Chairman Ceo, 2.99Mn shares), Keith E Busse (Director, 701.72K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Richard P Jr Teets | 4,980,085 | 0 | 23 Feb, 2026 | |
| Mark D Millett | Chairman And Ceo | 3,016,701 | 0 | 13 Mar, 2026 |
| Theresa E Wagler | Executive Vice President Cfo | 495,038 | 0 | 13 Mar, 2026 |
| Barry Schneider | President And Coo | 246,399 | 0 | 13 Mar, 2026 |
| Miguel Alvarez | Senior Vice President | 127,082 | 0 | 13 Mar, 2026 |
| James Stanley Anderson | Senior Vice President | 112,837 | 0 | 13 Mar, 2026 |
| Gabriel Shaheen | 82,363 | 0 | 12 Jan, 2026 | |
| Christopher A Graham | Senior Vice President | 77,747 | 0 | 13 Mar, 2026 |
| Richard P Jr Teets | 0 | 73,000 | 18 Sep, 2025 | |
| Bradley S Seaman | 50,650 | 0 | 12 Jan, 2026 | |
| Richard A Poinsatte | Senior Vice President | 30,918 | 0 | 13 Mar, 2026 |
| Steven Alan Sonnenberg | 19,561 | 0 | 15 Apr, 2024 | |
| Luis Manuel Sierra | 10,792 | 0 | 12 Jan, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 13 Mar, 2026 | Mark D Millett | Common Stock | A | 46,422 | $0.00 | 3,037,326 | D | A |
| 13 Mar, 2026 | James Stanley Anderson | Common Stock | A | 14,738 | $0.00 | 119,305 | D | A |
| 13 Mar, 2026 | Miguel Alvarez | Common Stock | A | 16,479 | $0.00 | 134,314 | D | A |
| 13 Mar, 2026 | Christopher A Graham | Common Stock | A | 16,479 | $0.00 | 84,979 | D | A |
| 13 Mar, 2026 | Theresa E Wagler | Common Stock | A | 20,766 | $0.00 | 504,152 | D | A |
| 13 Mar, 2026 | Richard A Poinsatte | Common Stock | A | 6,253 | $0.00 | 33,662 | D | A |
| 13 Mar, 2026 | Barry Schneider | Common Stock | A | 26,571 | $0.00 | 258,061 | D | A |
| 13 Mar, 2026 | Miguel Alvarez | Common Stock | D | 7,232 | $182.19 | 127,082 | D | F |
| 13 Mar, 2026 | James Stanley Anderson | Common Stock | D | 6,468 | $182.19 | 112,837 | D | F |
| 13 Mar, 2026 | Christopher A Graham | Common Stock | D | 7,232 | $182.19 | 77,747 | D | F |
| 13 Mar, 2026 | Barry Schneider | Common Stock | D | 11,662 | $182.19 | 246,399 | D | F |
| 13 Mar, 2026 | Theresa E Wagler | Common Stock | D | 9,114 | $182.19 | 495,038 | D | F |
| 13 Mar, 2026 | Richard A Poinsatte | Common Stock | D | 2,744 | $182.19 | 30,918 | D | F |
| 13 Mar, 2026 | Mark D Millett | Common Stock | D | 20,625 | $182.19 | 3,016,701 | D | F |
| 02 Mar, 2026 | Barry Schneider | Common Stock | D | 1,291 | $193.13 | 231,490 | D | F |
| 23 Feb, 2026 | James Stanley Anderson | Common Stock | D | 657 | $193.39 | 106,278 | D | F |
| 23 Feb, 2026 | Miguel Alvarez | Common Stock | D | 956 | $193.39 | 120,435 | D | F |
| 23 Feb, 2026 | Theresa E Wagler | Common Stock | D | 1,355 | $193.39 | 486,932 | D | F |
| 23 Feb, 2026 | Christopher A Graham | Common Stock | D | 956 | $193.39 | 71,100 | D | F |
| 23 Feb, 2026 | Mark D Millett | Common Stock | D | 2,928 | $193.39 | 2,998,991 | D | F |