STLD · Insider Trading

Steel Dynamics Inc

Every open-market purchase and sale reported by STLD officers, directors and 10%+ beneficial owners on SEC Form 4, which must be filed within two business days of the transaction. Sales often reflect scheduled 10b5-1 plans or tax withholding rather than a directional view, so read counts alongside the size and the filer.

Form 4 Filings
50
most recent
Open-Market Buys
0
code P
Sales
5
code S
Reporting Insiders
18
current holders
STLD — Recent Form 4 Transactions (latest 2026-10-09)
FiledInsiderRole TypeSharesValue
2026-10-09 Bradley S Seaman Director A +105 —
2026-10-09 Kenneth W. Cornew Director A +2 —
2026-10-09 Luis Manuel Sierra Director A +7 —
2026-10-09 Traci M Dolan Director A +97 —
2026-10-09 Jennifer L Hamann Director A +18 —
2026-10-09 Sheree L Bargabos Director A +40 —
2026-08-14 Jennifer L Hamann Director A +72 —
2026-07-28 Mark D Millett Chairman and CEO G −300 —
2026-07-14 Kenneth W. Cornew Director A +2 —
2026-07-14 Traci M Dolan Director A +102 —
2026-07-14 Jennifer L Hamann Director A +18 —
2026-07-14 Sheree L Bargabos Director A +43 —
2026-07-14 Luis Manuel Sierra Director A +7 —
2026-07-14 Bradley S Seaman Director A +109 —
2026-06-08 James Stanley Anderson Senior Vice President Sell −10,000 −$2.69M
2026-06-01 Luis Manuel Sierra Director A +712 —
2026-06-01 Sheree L Bargabos Director A +712 —
2026-06-01 Kenneth W. Cornew Director A +712 —
2026-06-01 Traci M Dolan Director A +712 —
2026-06-01 Jennifer L Hamann Director A +712 —
2026-06-01 Bradley S Seaman Director A +712 —
2026-05-15 Richard A Poinsatte Senior Vice President G −200 —
2026-05-15 Christopher A Graham Senior Vice President Sell −9,000 −$2.13M
2026-05-14 Richard A Poinsatte Senior Vice President Sell −2,300 −$538.45K
2026-05-07 Sheree L Bargabos Director A +158 —
2026-05-07 Richard P Teets Jr Director A +158 —
2026-05-07 Jennifer L Hamann Director A +79 —
2026-05-04 Chad Bickford Vice President F −166 −$37.96K
2026-04-24 Kenneth W. Cornew Director Sell −5,000 −$1.12M
2026-04-24 Miguel Alvarez Senior Vice President Sell −4,825 −$1.09M
2026-04-13 Sheree L Bargabos Director A +58 —
2026-04-13 Kenneth W. Cornew Director A +5 —
2026-04-13 Traci M Dolan Director A +120 —
2026-04-13 Jennifer L Hamann Director A +16 —
2026-04-13 Bradley S Seaman Director A +129 —
2026-04-13 Gabriel Shaheen Director A +157 —
2026-04-13 Luis Manuel Sierra Director A +12 —
2026-04-13 Richard P Teets Jr Director A +9 —
2026-03-13 Mark D Millett Chairman and CEO MIXED +25,797 −$3.76M
2026-03-13 Theresa E Wagler Executive Vice President & CFO MIXED +11,652 −$1.66M
2026-03-13 Christopher A Graham Senior Vice President MIXED +9,247 −$1.32M
2026-03-13 Barry Schneider President and COO MIXED +14,909 −$2.12M
2026-03-13 Miguel Alvarez Senior Vice President MIXED +9,247 −$1.32M
2026-03-13 James Stanley Anderson Senior Vice President MIXED +8,270 −$1.18M
2026-03-13 Richard A Poinsatte Senior Vice President MIXED +3,509 −$499.93K
2026-03-02 Barry Schneider President and COO F −1,291 −$249.33K
2026-02-25 Miguel Alvarez Senior Vice President F −3,556 −$692.00K
2026-02-25 James Stanley Anderson Senior Vice President F −2,368 −$460.71K
2026-02-25 Christopher A Graham Senior Vice President F −3,556 −$692.00K
2026-02-25 Mark D Millett Chairman & CEO F −11,015 −$2.14M
STLD — Current Insider Holders
InsiderRole Shares HeldValue
Richard P Teets Jr Director 5,073,371 $1.24B
Mark D Millett Chairman and CEO 3,016,401 $739.53M
Theresa E Wagler Executive Vice President & CFO 504,152 $123.60M
Barry Schneider President and COO 258,061 $63.27M
Glenn Pushis Senior Vice President 133,861 $32.82M
Miguel Alvarez Senior Vice President 122,957 $30.15M
James Stanley Anderson Senior Vice President 111,737 $27.39M
Gabriel Shaheen Director 82,520 $20.23M
Christopher A Graham Senior Vice President 74,748 $18.33M
Traci M Dolan Director 59,067 $14.48M
Bradley S Seaman Director 51,705 $12.68M
Kenneth W. Cornew Director 32,015 $7.85M
Richard A Poinsatte Senior Vice President 28,418 $6.97M
Sheree L Bargabos Director 27,145 $6.66M
Chad Bickford Vice President 24,025 $5.89M
Luis Manuel Sierra Director 11,530 $2.83M
Jennifer L Hamann Director 5,394 $1.32M
Matthew Lane Bell Vice President 2,034 $498.68K
STLD Insider Trading FAQ
Who are the insiders at STLD?
18 officers, directors and 10%+ beneficial owners currently report holdings in STLD via SEC Form 4.
Are STLD insiders buying or selling?
Across the 50 most recent Form 4 filings for STLD, 0 were open-market purchases (code P) and 5 were sales (code S). Sales frequently reflect scheduled 10b5-1 plans or tax withholding rather than a view on the stock.
How current is STLD insider data?
Form 4 must be filed within two business days of the transaction, so this is close to real time. The most recent STLD filing is dated 2026-10-09.
How to read Form 4 activity

Form 4 reports a change in beneficial ownership by an officer, director or 10%+ holder, and must be filed within two business days of the transaction — so this is close to real time, unlike the 45-day-lagged 13F institutional data.

Transaction codes matter more than the raw buy/sell count. Code P is an open-market purchase — an insider choosing to buy with their own money, which is the signal most research treats as informative. Code S is a sale, but sales are frequently pre-scheduled under a 10b5-1 plan or cover tax withholding on vesting equity, so a run of sales often says nothing directional. Codes A and M are grants and option exercises rather than open-market decisions.

Full filing history and per-insider positions are on the STLD quote page; the site-wide leaderboard is on the insider transactions hub.

Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.