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Steel Dynamics Inc. (STLD)

Steel Dynamics Inc. (STLD) Insider Trading

Directors, officers and holders of more than 10% of STLD report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 290 transactions on file: 0 with code P, 13 with code S and 37 with other codes.

DateInsiderCodeShares
Oct 9, 2026BARGABOS SHEREE LA Award40
Oct 9, 2026Sierra Luis ManuelA Award7
Oct 9, 2026DOLAN TRACI MA Award97
Oct 9, 2026Seaman Bradley SA Award105
Oct 9, 2026Cornew Kenneth W.A Award2
Oct 9, 2026Hamann Jennifer LA Award18
Aug 13, 2026Hamann Jennifer LA Award72
Jul 28, 2026MILLETT MARK DG Gift300
Jul 10, 2026Sierra Luis ManuelA Award7
Jul 10, 2026DOLAN TRACI MA Award102
Jul 10, 2026Cornew Kenneth W.A Award2
Jul 10, 2026BARGABOS SHEREE LA Award43
Jul 10, 2026Seaman Bradley SA Award109
Jul 10, 2026Hamann Jennifer LA Award18
Jun 5, 2026Anderson James StanleyS Sale322
Jun 5, 2026Anderson James StanleyS Sale4,401
Jun 5, 2026Anderson James StanleyS Sale4,177
Jun 5, 2026Anderson James StanleyS Sale1,100
Jun 1, 2026Cornew Kenneth W.A Award712
Jun 1, 2026DOLAN TRACI MA Award712
Jun 1, 2026BARGABOS SHEREE LA Award712
Jun 1, 2026Sierra Luis ManuelA Award712
Jun 1, 2026Hamann Jennifer LA Award712
Jun 1, 2026Seaman Bradley SA Award712
May 14, 2026Poinsatte Richard AG Gift200
May 13, 2026Graham Christopher AS Sale2,999
May 13, 2026Graham Christopher AS Sale3,000
May 13, 2026Graham Christopher AS Sale3,001
May 12, 2026Poinsatte Richard AS Sale2,300
May 6, 2026Hamann Jennifer LA Award79
May 6, 2026TEETS RICHARD P JRA Award158
May 6, 2026BARGABOS SHEREE LA Award158
May 1, 2026Bickford ChadF Tax Payment166
Apr 23, 2026Alvarez MiguelS Sale3,825
Apr 23, 2026Alvarez MiguelS Sale700
Apr 23, 2026Cornew Kenneth W.S Sale4,800
Apr 23, 2026Cornew Kenneth W.S Sale200
Apr 23, 2026Alvarez MiguelS Sale300
Apr 10, 2026Sierra Luis ManuelA Award12
Apr 10, 2026Shaheen GabrielA Award157
Apr 10, 2026TEETS RICHARD P JRA Award9
Apr 10, 2026Seaman Bradley SA Award129
Apr 10, 2026Cornew Kenneth W.A Award5
Apr 10, 2026BARGABOS SHEREE LA Award58
Apr 10, 2026Hamann Jennifer LA Award16
Apr 10, 2026DOLAN TRACI MA Award120
Mar 13, 2026Anderson James StanleyF Tax Payment6,468
Mar 13, 2026Alvarez MiguelA Award16,479
Mar 13, 2026Alvarez MiguelF Tax Payment7,232
Mar 13, 2026Wagler Theresa EA Award20,766

The full Form 4 history is on the STLD company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.