STLD's three largest insider shareholders as of June 02, 2026 are Richard P Jr Teets (Executive Vice President, 4.98Mn shares), Mark D Millett (Chairman And Ceo, 3.02Mn shares), Keith E Busse (Chairman And Ceo, 701.72K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Russell B Rinn | Executive Vice President | 301,502 | 0 | 31 Aug, 2022 |
| Keith E Busse | Chairman And Ceo | 701,717 | 0 | 18 Apr, 2023 |
| Mark D Millett | Chairman And Ceo | 3,016,701 | 0 | 13 Mar, 2026 |
| Richard P Jr Teets | Executive Vice President | 4,980,094 | 0 | 13 Apr, 2026 |
| Frank D Byrne | - | 82,326 | 0 | 22 Apr, 2022 |
| Sheree L Bargabos | - | 26,192 | 0 | 13 Apr, 2026 |
| Traci M Dolan | - | 58,156 | 0 | 13 Apr, 2026 |
| Theresa E Wagler | Executive Vice President Cfo | 495,038 | 0 | 13 Mar, 2026 |
| Glenn Pushis | Senior Vice President | 133,008 | 0 | 12 Jan, 2026 |
| James C Marcuccilli | - | 61,985 | 0 | 11 Oct, 2024 |
| Steven Alan Sonnenberg | - | 19,561 | 0 | 15 Apr, 2024 |
| Barry Schneider | President And Coo | 246,399 | 0 | 13 Mar, 2026 |
| Gabriel Shaheen | - | 82,520 | 0 | 13 Apr, 2026 |
| Richard A Poinsatte | Senior Vice President | 30,918 | 0 | 13 Mar, 2026 |
| Kenneth W. Cornew | - | 31,299 | 0 | 24 Apr, 2026 |
| Bradley S Seaman | - | 50,779 | 0 | 13 Apr, 2026 |
| Christopher A Graham | Senior Vice President | 77,747 | 0 | 13 Mar, 2026 |
| Miguel Alvarez | Senior Vice President | 122,257 | 0 | 24 Apr, 2026 |
| Jennifer L Hamann | - | 4,495 | 0 | 13 Apr, 2026 |
| Luis Manuel Sierra | - | 10,804 | 0 | 13 Apr, 2026 |
| James Stanley Anderson | Senior Vice President | 112,837 | 0 | 13 Mar, 2026 |
| Chad Bickford | Vice President | 24,191 | 0 | 24 Feb, 2026 |
| Matthew Lane Bell | Vice President | 2,017 | 0 | 24 Feb, 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 |
|---|---|---|---|---|---|---|---|---|
| 23 Apr, 2026 | Kenneth W. Cornew | Common Stock | D | 4,800 | $224.85 | 31,499 | D | S |
| 23 Apr, 2026 | Miguel Alvarez | Common Stock | D | 3,825 | $225.11 | 123,257 | D | S |
| 23 Apr, 2026 | Miguel Alvarez | Common Stock | D | 300 | $226.36 | 122,957 | D | S |
| 23 Apr, 2026 | Kenneth W. Cornew | Common Stock | D | 200 | $225.39 | 31,299 | D | S |
| 23 Apr, 2026 | Miguel Alvarez | Common Stock | D | 700 | $227.82 | 122,257 | D | S |
| 10 Apr, 2026 | Gabriel Shaheen | Common Stock | A | 157 | $0.00 | 82,520 | D | A |
| 10 Apr, 2026 | Richard P Jr Teets | Common Stock | A | 9 | $0.00 | 4,980,094 | D | A |
| 10 Apr, 2026 | Gabriel Shaheen | Common Stock | A | 157 | $0.00 | 82,520 | D | A |
| 10 Apr, 2026 | Kenneth W. Cornew | Common Stock | A | 5 | $0.00 | 36,299 | D | A |
| 10 Apr, 2026 | Richard P Jr Teets | Common Stock | A | 9 | $0.00 | 4,980,094 | D | A |
| 10 Apr, 2026 | Traci M Dolan | Common Stock | A | 120 | $0.00 | 58,156 | D | A |
| 10 Apr, 2026 | Gabriel Shaheen | Common Stock | A | 157 | $0.00 | 82,520 | D | A |
| 10 Apr, 2026 | Bradley S Seaman | Common Stock | A | 129 | $0.00 | 50,779 | D | A |
| 10 Apr, 2026 | Luis Manuel Sierra | Common Stock | A | 12 | $0.00 | 10,804 | D | A |
| 10 Apr, 2026 | Jennifer L Hamann | Common Stock | A | 16 | $0.00 | 4,495 | D | A |
| 10 Apr, 2026 | Sheree L Bargabos | Common Stock | A | 58 | $0.00 | 26,192 | D | A |
| 10 Apr, 2026 | Richard P Jr Teets | Common Stock | A | 9 | $0.00 | 4,980,094 | D | A |
| 13 Mar, 2026 | Barry Schneider | Common Stock | A | 26,571 | $0.00 | 258,061 | D | A |
| 13 Mar, 2026 | Mark D Millett | Common Stock | A | 46,422 | $0.00 | 3,037,326 | D | A |
| 13 Mar, 2026 | Theresa E Wagler | Common Stock | A | 20,766 | $0.00 | 504,152 | D | A |