There have been 50 recent insider transactions recorded for Steel Dynamics, Inc. (STLD), including 20 buys and 29 sells. Total insider buying was valued at RSU Award and total insider selling at $16.73M.
Notable insiders with recent activity include Millett Mark D, Wagler Theresa E, Schneider Barry. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — STLD
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-03-13 |
Millett Mark D |
Chairman and CEO |
Tax Withholding of RSU |
20,625 |
$182.19 |
$3.76M |
3,016,701 |
| 2026-03-13 |
Wagler Theresa E |
Executive Vice President & CFO |
Tax Withholding of RSU |
9,114 |
$182.19 |
$1.66M |
495,038 |
| 2026-03-13 |
Schneider Barry |
President and COO |
Tax Withholding of RSU |
11,662 |
$182.19 |
$2.12M |
246,399 |
| 2026-03-13 |
Poinsatte Richard A |
Senior Vice President |
Tax Withholding of RSU |
2,744 |
$182.19 |
$499.93K |
30,918 |
| 2026-03-13 |
Graham Christopher A |
Senior Vice President |
Tax Withholding of RSU |
7,232 |
$182.19 |
$1.32M |
77,747 |
| 2026-03-13 |
Alvarez Miguel |
Senior Vice President |
Tax Withholding of RSU |
7,232 |
$182.19 |
$1.32M |
127,082 |
| 2026-03-13 |
Anderson James Stanley |
Senior Vice President |
Tax Withholding of RSU |
6,468 |
$182.19 |
$1.18M |
112,837 |
| 2026-03-02 |
Schneider Barry |
President and COO |
Tax Withholding of RSU |
1,291 |
$193.13 |
$249.33K |
231,490 |
| 2026-02-24 |
Millett Mark D |
Chairman & CEO |
Tax Withholding of RSU |
5,153 |
$196.01 |
$1.01M |
2,990,904 |
| 2026-02-24 |
Wagler Theresa E |
Executive Vice President & CFO |
Tax Withholding of RSU |
2,189 |
$196.01 |
$429.07K |
483,386 |
| 2026-02-24 |
Schneider Barry |
President and COO |
Tax Withholding of RSU |
1,642 |
$196.01 |
$321.85K |
232,781 |
| 2026-02-24 |
Graham Christopher A |
Senior Vice President |
Tax Withholding of RSU |
1,642 |
$196.01 |
$321.85K |
68,500 |
| 2026-02-24 |
Alvarez Miguel |
Senior Vice President |
Tax Withholding of RSU |
1,642 |
$196.01 |
$321.85K |
117,835 |
| 2026-02-24 |
Anderson James Stanley |
Senior Vice President |
Tax Withholding of RSU |
1,053 |
$196.01 |
$206.4K |
104,567 |
| 2026-02-23 |
Millett Mark D |
Chairman & CEO |
Tax Withholding of RSU |
2,934 |
$193.39 |
$567.41K |
2,996,057 |
| 2026-02-23 |
Wagler Theresa E |
Executive Vice President & CFO |
Tax Withholding of RSU |
1,357 |
$193.39 |
$262.43K |
485,575 |
| 2026-02-23 |
Schneider Barry |
President and COO |
Tax Withholding of RSU |
1,334 |
$193.39 |
$257.98K |
234,423 |
| 2026-02-23 |
Poinsatte Richard A |
Senior Vice President |
Tax Withholding of RSU |
177 |
$193.39 |
$34.23K |
27,409 |
| 2026-02-23 |
Graham Christopher A |
Senior Vice President |
Tax Withholding of RSU |
958 |
$193.39 |
$185.27K |
70,142 |
| 2026-02-23 |
Alvarez Miguel |
Senior Vice President |
Tax Withholding of RSU |
958 |
$193.39 |
$185.27K |
119,477 |
| 2026-02-23 |
Anderson James Stanley |
Senior Vice President |
Tax Withholding of RSU |
658 |
$193.39 |
$127.25K |
105,620 |
| 2026-02-20 |
Teets Richard P Jr |
Director |
RSU Award |
197 |
- |
- |
4,980,085 |
| 2026-02-20 |
Bargabos Sheree L |
Director |
RSU Award |
197 |
- |
- |
26,134 |
| 2026-02-20 |
Hamann Jennifer L |
Director |
RSU Award |
99 |
- |
- |
4,479 |
| 2026-02-20 |
Millett Mark D |
Chairman & CEO |
RSU Award |
12,662 |
- |
- |
3,001,919 |
| 2026-02-20 |
Wagler Theresa E |
Executive Vice President & CFO |
RSU Award |
5,932 |
- |
- |
488,287 |
| 2026-02-20 |
Schneider Barry |
President and COO |
RSU Award |
5,841 |
- |
- |
235,757 |
| 2026-02-20 |
Poinsatte Richard A |
Senior Vice President |
RSU Award |
2,350 |
- |
- |
27,586 |
| 2026-02-20 |
Graham Christopher A |
Senior Vice President |
RSU Award |
4,187 |
- |
- |
72,056 |
| 2026-02-20 |
Alvarez Miguel |
Senior Vice President |
RSU Award |
4,187 |
- |
- |
121,391 |
| 2026-02-20 |
Anderson James Stanley |
Senior Vice President |
RSU Award |
4,187 |
- |
- |
106,935 |
| 2026-02-20 |
Bickford Chad |
Vice President |
RSU Award |
3,400 |
- |
- |
24,191 |
| 2026-02-20 |
Bell Matthew Lane |
Vice President |
RSU Award |
776 |
- |
- |
2,017 |
| 2026-02-02 |
Graham Christopher A |
Senior Vice President |
Tax Withholding of RSU |
161 |
$179.57 |
$28.91K |
67,869 |
| 2026-02-02 |
Bickford Chad |
Vice President |
Tax Withholding of RSU |
287 |
$179.57 |
$51.54K |
20,791 |
| 2026-02-02 |
Bell Matthew Lane |
Vice President |
Tax Withholding of RSU |
58 |
$179.57 |
$10.42K |
1,241 |
| 2026-01-09 |
Teets Richard P Jr |
Director |
RSU Award |
9 |
- |
- |
4,979,888 |
| 2026-01-09 |
Bargabos Sheree L |
Director |
RSU Award |
59 |
- |
- |
25,937 |
| 2026-01-09 |
Dolan Traci M |
Director |
RSU Award |
125 |
- |
- |
58,036 |
| 2026-01-09 |
Pushis Glenn |
Senior Vice President |
Tax Withholding of RSU |
853 |
$172.16 |
$146.85K |
133,008 |
| 2026-01-09 |
Shaheen Gabriel |
Director |
RSU Award |
163 |
- |
- |
82,363 |
| 2026-01-09 |
Cornew Kenneth W. |
Director |
RSU Award |
5 |
- |
- |
36,294 |
| 2026-01-09 |
Seaman Bradley S |
Director |
RSU Award |
135 |
- |
- |
50,650 |
| 2026-01-09 |
Hamann Jennifer L |
Director |
RSU Award |
15 |
- |
- |
4,380 |
| 2026-01-09 |
Sierra Luis Manuel |
Director |
RSU Award |
13 |
- |
- |
10,792 |
| 2025-12-09 |
Dolan Traci M |
Director |
Gift (Given) |
2,000 |
- |
- |
57,911 |
| 2025-11-21 |
Millett Mark D |
Chairman and CEO |
Tax Withholding of RSU |
253 |
$153.11 |
$38.74K |
2,989,257 |
| 2025-11-21 |
Wagler Theresa E |
Executive Vice President & CFO |
Tax Withholding of RSU |
273 |
$153.11 |
$41.8K |
482,355 |
| 2025-11-21 |
Pushis Glenn |
Senior Vice President |
Tax Withholding of RSU |
159 |
$153.11 |
$24.34K |
141,178 |
| 2025-11-21 |
Schneider Barry |
President and COO |
Tax Withholding of RSU |
341 |
$153.11 |
$52.21K |
229,916 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
