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Company / CIK 0001022671

STEEL DYNAMICS INC

Ticker
STLD
Size, estimated from filings
Large cap ($10B – $200B)
Insiders on file
18
Members of Congress who traded it
2
Federal contracts on record
none matched
Lobbying filings on record
5
SEC filings
EDGAR ↗
Latest trade on record
October 9, 2026

STEEL DYNAMICS INC (STLD) has 18 insiders on file who disclosed 142 transactions in the last 12 months (0 open-market buys, 67 sales, about $28.5M at reported prices), and 2 congressional trades in its stock are on record. No federal contract award that started in the last 180 days was found for a recipient with exactly this name, and 3 lobbying filings naming it as client report $180K in 2026.

Last updated October 20, 2026 · Sources: SEC EDGAR; USAspending; Senate LDA

STEEL DYNAMICS INC in charts

Who is trading this stock

Which people account for the buying and selling over the last 12 months?

BoughtSold

8 people account for the disclosed buying and selling in STEEL DYNAMICS INC over the last 12 months; the most active is MILLETT MARK D with $5.9M.

Lobbying spend by quarter

How much has STEEL DYNAMICS INC reported spending on federal lobbying?

Q1 25Q2 25Q3 25Q4 25Q1 26Q2 26Q3 26Q4 26
Q1 25Q2 25Q3 25Q4 25Q1 26Q2 26Q3 26Q4 26

STEEL DYNAMICS INC reported $300K in lobbying over the last eight quarters, from filings matched by exact company name.

Insiders

NameRoleRowsBoughtSoldLast filed
BARGABOS SHEREE LDirector900October 9, 2026
Cornew Kenneth W.Director802October 9, 2026
DOLAN TRACI MDirector700October 9, 2026
Hamann Jennifer LDirector1000October 9, 2026
Seaman Bradley SDirector600October 9, 2026
Sierra Luis ManuelDirector600October 9, 2026
MILLETT MARK DChairman & CEO905July 28, 2026
Anderson James StanleySenior Vice President1209June 8, 2026
Graham Christopher ASenior Vice President1309May 15, 2026
Poinsatte Richard ASenior Vice President1006May 15, 2026
TEETS RICHARD P JRDirector600May 7, 2026
Bickford ChadVice President503May 4, 2026
Wagler Theresa EExecutive Vice President & CFO805April 30, 2026
Alvarez MiguelSenior Vice President1209April 24, 2026
Shaheen GabrielDirector300April 13, 2026
SCHNEIDER BARRYPresident and COO805March 13, 2026
Bell Matthew LaneVice President502February 24, 2026
Pushis GlennSenior Vice President13012January 12, 2026

Rows are this company's Form 4 rows for each person. "Bought" and "sold" count open-market purchases (code P) and sales only. More in insider buying and insider selling.

Members of Congress who traded STLD

From periodic transaction reports that name the company's stock. Amounts are the sums of the ranges as filed. Every row is on the STLD page.

MemberSeatTradesBoughtSoldRange as filedLatest
Alan ArmstrongSenator (OK), Republican110$1,001–$15KMarch 27, 2026
Gilbert Ray Cisneros, Jr.Representative (CA, District 31), Democrat110$1,001–$15KJanuary 9, 2026

Insider transactions

Download CSV152 rows · 52 KB · insider and congressional rows for this ticker · all downloads

FilerSecuritySideTrade dateDisclosedLagSharesPriceValueFlagsSourceShare
BARGABOS SHEREE LSTLDOther AOctober 9, 2026October 9, 20260d40——Form 4 ↗
Cornew Kenneth W.STLDOther AOctober 9, 2026October 9, 20260d2——Form 4 ↗
DOLAN TRACI MSTLDOther AOctober 9, 2026October 9, 20260d97——Form 4 ↗
Hamann Jennifer LSTLDOther AOctober 9, 2026October 9, 20260d18——Form 4 ↗
Seaman Bradley SSTLDOther AOctober 9, 2026October 9, 20260d105——Form 4 ↗
Sierra Luis ManuelSTLDOther AOctober 9, 2026October 9, 20260d7——Form 4 ↗
Hamann Jennifer LSTLDOther AAugust 13, 2026August 14, 20261d72——Form 4 ↗
MILLETT MARK DSTLDOther GJuly 28, 2026July 28, 20260d300——Form 4 ↗
Sierra Luis ManuelSTLDOther AJuly 10, 2026July 14, 20264d7——Form 4 ↗
Seaman Bradley SSTLDOther AJuly 10, 2026July 14, 20264d109——Form 4 ↗
Hamann Jennifer LSTLDOther AJuly 10, 2026July 14, 20264d18——Form 4 ↗
DOLAN TRACI MSTLDOther AJuly 10, 2026July 14, 20264d102——Form 4 ↗
Cornew Kenneth W.STLDOther AJuly 10, 2026July 14, 20264d2——Form 4 ↗
BARGABOS SHEREE LSTLDOther AJuly 10, 2026July 14, 20264d43——Form 4 ↗
Anderson James StanleySTLDSell SJune 5, 2026June 8, 20263d322$270$87KForm 4 ↗
Anderson James StanleySTLDSell SJune 5, 2026June 8, 20263d4,401$269$1.2MForm 4 ↗
Anderson James StanleySTLDSell SJune 5, 2026June 8, 20263d4,177$268$1.1MForm 4 ↗
Anderson James StanleySTLDSell SJune 5, 2026June 8, 20263d1,100$267$294KForm 4 ↗
Seaman Bradley SSTLDOther AJune 1, 2026June 1, 20260d712——Form 4 ↗
Hamann Jennifer LSTLDOther AJune 1, 2026June 1, 20260d712——Form 4 ↗
DOLAN TRACI MSTLDOther AJune 1, 2026June 1, 20260d712——Form 4 ↗
Cornew Kenneth W.STLDOther AJune 1, 2026June 1, 20260d712——Form 4 ↗
BARGABOS SHEREE LSTLDOther AJune 1, 2026June 1, 20260d712——Form 4 ↗
Sierra Luis ManuelSTLDOther AJune 1, 2026June 1, 20260d712——Form 4 ↗
Graham Christopher ASTLDSell SMay 13, 2026May 15, 20262d3,001$237$711KForm 4 ↗
Graham Christopher ASTLDSell SMay 13, 2026May 15, 20262d3,000$237$711KForm 4 ↗
Graham Christopher ASTLDSell SMay 13, 2026May 15, 20262d2,999$237$709KForm 4 ↗
Poinsatte Richard ASTLDOther GMay 14, 2026May 15, 20261d200——Form 4 ↗
Poinsatte Richard ASTLDSell SMay 12, 2026May 14, 20262d2,300$234$538KForm 4 ↗
Hamann Jennifer LSTLDOther AMay 6, 2026May 7, 20261d79——Form 4 ↗
TEETS RICHARD P JRSTLDOther AMay 6, 2026May 7, 20261d158——Form 4 ↗
BARGABOS SHEREE LSTLDOther AMay 6, 2026May 7, 20261d158——Form 4 ↗
Bickford ChadSTLDSell FMay 1, 2026May 4, 20263d166$229$38KForm 4 ↗
Alvarez MiguelSTLDSell SApril 23, 2026April 24, 20261d700$228$159KForm 4 ↗
Alvarez MiguelSTLDSell SApril 23, 2026April 24, 20261d300$226$68KForm 4 ↗
Alvarez MiguelSTLDSell SApril 23, 2026April 24, 20261d3,825$225$861KForm 4 ↗
Cornew Kenneth W.STLDSell SApril 23, 2026April 24, 20261d200$225$45KForm 4 ↗
Cornew Kenneth W.STLDSell SApril 23, 2026April 24, 20261d4,800$225$1.1MForm 4 ↗
TEETS RICHARD P JRSTLDOther AApril 10, 2026April 13, 20263d9——Form 4 ↗
Sierra Luis ManuelSTLDOther AApril 10, 2026April 13, 20263d12——Form 4 ↗
Shaheen GabrielSTLDOther AApril 10, 2026April 13, 20263d157——Form 4 ↗
Seaman Bradley SSTLDOther AApril 10, 2026April 13, 20263d129——Form 4 ↗
Hamann Jennifer LSTLDOther AApril 10, 2026April 13, 20263d16——Form 4 ↗
DOLAN TRACI MSTLDOther AApril 10, 2026April 13, 20263d120——Form 4 ↗
Cornew Kenneth W.STLDOther AApril 10, 2026April 13, 20263d5——Form 4 ↗
BARGABOS SHEREE LSTLDOther AApril 10, 2026April 13, 20263d58——Form 4 ↗
Poinsatte Richard ASTLDSell FMarch 13, 2026March 13, 20260d2,744$182$500KForm 4 ↗
Poinsatte Richard ASTLDOther AMarch 13, 2026March 13, 20260d6,253——Form 4 ↗
Anderson James StanleySTLDSell FMarch 13, 2026March 13, 20260d6,468$182$1.2MForm 4 ↗
Anderson James StanleySTLDOther AMarch 13, 2026March 13, 20260d14,738——Form 4 ↗
Alvarez MiguelSTLDSell FMarch 13, 2026March 13, 20260d7,232$182$1.3MForm 4 ↗
Alvarez MiguelSTLDOther AMarch 13, 2026March 13, 20260d16,479——Form 4 ↗
SCHNEIDER BARRYSTLDSell FMarch 13, 2026March 13, 20260d11,662$182$2.1MForm 4 ↗
SCHNEIDER BARRYSTLDOther AMarch 13, 2026March 13, 20260d26,571——Form 4 ↗
Graham Christopher ASTLDSell FMarch 13, 2026March 13, 20260d7,232$182$1.3MForm 4 ↗
Graham Christopher ASTLDOther AMarch 13, 2026March 13, 20260d16,479——Form 4 ↗
Wagler Theresa ESTLDSell FMarch 13, 2026March 13, 20260d9,114$182$1.7MForm 4 ↗
Wagler Theresa ESTLDOther AMarch 13, 2026March 13, 20260d20,766——Form 4 ↗
MILLETT MARK DSTLDSell FMarch 13, 2026March 13, 20260d20,625$182$3.8MForm 4 ↗
MILLETT MARK DSTLDOther AMarch 13, 2026March 13, 20260d46,422——Form 4 ↗
SCHNEIDER BARRYSTLDSell FMarch 2, 2026March 2, 20260d1,291$193$249KForm 4 ↗
Poinsatte Richard ASTLDSell FFebruary 23, 2026February 25, 20262d177$193$34KForm 4 ↗
Wagler Theresa ESTLDSell FFebruary 24, 2026February 25, 20261d2,189$196$429KForm 4 ↗
Wagler Theresa ESTLDSell FFebruary 23, 2026February 25, 20262d1,357$193$262KForm 4 ↗
Wagler Theresa ESTLDSell FFebruary 23, 2026February 25, 20262d1,355$193$262KForm 4 ↗
SCHNEIDER BARRYSTLDSell FFebruary 24, 2026February 25, 20261d1,642$196$322KForm 4 ↗
SCHNEIDER BARRYSTLDSell FFebruary 23, 2026February 25, 20262d1,334$193$258KForm 4 ↗
MILLETT MARK DSTLDSell FFebruary 24, 2026February 25, 20261d5,153$196$1.0MForm 4 ↗
MILLETT MARK DSTLDSell FFebruary 23, 2026February 25, 20262d2,934$193$567KForm 4 ↗
MILLETT MARK DSTLDSell FFebruary 23, 2026February 25, 20262d2,928$193$566KForm 4 ↗
Graham Christopher ASTLDSell FFebruary 24, 2026February 25, 20261d1,642$196$322KForm 4 ↗
Graham Christopher ASTLDSell FFebruary 23, 2026February 25, 20262d958$193$185KForm 4 ↗
Graham Christopher ASTLDSell FFebruary 23, 2026February 25, 20262d956$193$185KForm 4 ↗
Anderson James StanleySTLDSell FFebruary 24, 2026February 25, 20261d1,053$196$206KForm 4 ↗
Anderson James StanleySTLDSell FFebruary 23, 2026February 25, 20262d658$193$127KForm 4 ↗
Anderson James StanleySTLDSell FFebruary 23, 2026February 25, 20262d657$193$127KForm 4 ↗
Alvarez MiguelSTLDSell FFebruary 24, 2026February 25, 20261d1,642$196$322KForm 4 ↗
Alvarez MiguelSTLDSell FFebruary 23, 2026February 25, 20262d958$193$185KForm 4 ↗
Alvarez MiguelSTLDSell FFebruary 23, 2026February 25, 20262d956$193$185KForm 4 ↗
Bell Matthew LaneSTLDOther AFebruary 20, 2026February 24, 20264d776——Form 4 ↗
Graham Christopher ASTLDOther AFebruary 20, 2026February 24, 20264d4,187——Form 4 ↗
SCHNEIDER BARRYSTLDOther AFebruary 20, 2026February 24, 20264d5,841——Form 4 ↗
Wagler Theresa ESTLDOther AFebruary 20, 2026February 24, 20264d5,932——Form 4 ↗
MILLETT MARK DSTLDOther AFebruary 20, 2026February 24, 20264d12,662——Form 4 ↗
Alvarez MiguelSTLDOther AFebruary 20, 2026February 24, 20264d4,187——Form 4 ↗
Bickford ChadSTLDOther AFebruary 20, 2026February 24, 20264d3,400——Form 4 ↗
Poinsatte Richard ASTLDOther AFebruary 20, 2026February 24, 20264d2,350——Form 4 ↗
Anderson James StanleySTLDOther AFebruary 20, 2026February 24, 20264d4,187——Form 4 ↗
BARGABOS SHEREE LSTLDOther AFebruary 20, 2026February 23, 20263d197——Form 4 ↗
TEETS RICHARD P JRSTLDOther AFebruary 20, 2026February 23, 20263d197——Form 4 ↗
Hamann Jennifer LSTLDOther AFebruary 20, 2026February 23, 20263d99——Form 4 ↗
Graham Christopher ASTLDSell FFebruary 2, 2026February 3, 20261d161$180$29KForm 4 ↗
Graham Christopher ASTLDOther AFebruary 2, 2026February 3, 20261d1,100——Form 4 ↗
Bell Matthew LaneSTLDSell FFebruary 2, 2026February 3, 20261d58$180$10KForm 4 ↗
Bell Matthew LaneSTLDOther AFebruary 2, 2026February 3, 20261d609——Form 4 ↗
Bickford ChadSTLDSell FFebruary 2, 2026February 3, 20261d287$180$52KForm 4 ↗
TEETS RICHARD P JRSTLDOther AJanuary 9, 2026January 12, 20263d9——Form 4 ↗
Sierra Luis ManuelSTLDOther AJanuary 9, 2026January 12, 20263d13——Form 4 ↗
Shaheen GabrielSTLDOther AJanuary 9, 2026January 12, 20263d163——Form 4 ↗
Seaman Bradley SSTLDOther AJanuary 9, 2026January 12, 20263d135——Form 4 ↗
Hamann Jennifer LSTLDOther AJanuary 9, 2026January 12, 20263d15——Form 4 ↗
DOLAN TRACI MSTLDOther AJanuary 9, 2026January 12, 20263d125——Form 4 ↗
Cornew Kenneth W.STLDOther AJanuary 9, 2026January 12, 20263d5——Form 4 ↗
BARGABOS SHEREE LSTLDOther AJanuary 9, 2026January 12, 20263d59——Form 4 ↗
Pushis GlennSTLDSell FJanuary 9, 2026January 12, 20263d853$172$147KForm 4 ↗
Pushis GlennSTLDSell FJanuary 9, 2026January 12, 20263d853$172$147KForm 4 ↗
Pushis GlennSTLDSell FJanuary 9, 2026January 12, 20263d853$172$147KForm 4 ↗
Pushis GlennSTLDSell FJanuary 9, 2026January 12, 20263d956$172$165KForm 4 ↗
Pushis GlennSTLDSell FJanuary 9, 2026January 12, 20263d956$172$165KForm 4 ↗
Pushis GlennSTLDSell FJanuary 9, 2026January 12, 20263d956$172$165KForm 4 ↗
Pushis GlennSTLDSell FJanuary 9, 2026January 12, 20263d958$172$165KForm 4 ↗
Pushis GlennSTLDSell FJanuary 9, 2026January 12, 20263d648$172$112KForm 4 ↗
Pushis GlennSTLDSell FJanuary 9, 2026January 12, 20263d1,137$172$196KForm 4 ↗
DOLAN TRACI MSTLDOther GDecember 9, 2025December 10, 20251d2,000——Form 4 ↗
Bell Matthew LaneSTLDSell FNovember 21, 2025November 25, 20254d67$153$10KForm 4 ↗
Bell Matthew LaneSTLDOther ANovember 21, 2025November 25, 20254d341——Form 4 ↗
Pushis GlennSTLDSell FNovember 21, 2025November 25, 20254d159$153$24KForm 4 ↗
Pushis GlennSTLDSell FNovember 21, 2025November 25, 20254d205$153$31KForm 4 ↗
Pushis GlennSTLDSell FNovember 21, 2025November 25, 20254d149$153$23KForm 4 ↗
Pushis GlennSTLDOther ANovember 21, 2025November 25, 20254d341——Form 4 ↗
Poinsatte Richard ASTLDSell FNovember 21, 2025November 25, 20254d159$153$24KForm 4 ↗
Poinsatte Richard ASTLDSell FNovember 21, 2025November 25, 20254d205$153$31KForm 4 ↗
Poinsatte Richard ASTLDSell FNovember 21, 2025November 25, 20254d149$153$23KForm 4 ↗
Poinsatte Richard ASTLDOther ANovember 21, 2025November 25, 20254d341——Form 4 ↗
Graham Christopher ASTLDSell FNovember 21, 2025November 25, 20254d149$153$23KForm 4 ↗
Graham Christopher ASTLDOther ANovember 21, 2025November 25, 20254d341——Form 4 ↗
Bickford ChadSTLDSell FNovember 21, 2025November 25, 20254d101$153$15KForm 4 ↗
Bickford ChadSTLDOther ANovember 21, 2025November 25, 20254d341——Form 4 ↗
Anderson James StanleySTLDSell FNovember 21, 2025November 25, 20254d149$153$23KForm 4 ↗
Anderson James StanleySTLDOther ANovember 21, 2025November 25, 20254d341——Form 4 ↗
Alvarez MiguelSTLDSell FNovember 21, 2025November 25, 20254d205$153$31KForm 4 ↗
Alvarez MiguelSTLDOther ANovember 21, 2025November 25, 20254d341——Form 4 ↗
Wagler Theresa ESTLDSell FNovember 21, 2025November 25, 20254d273$153$42KForm 4 ↗
Wagler Theresa ESTLDOther ANovember 21, 2025November 25, 20254d455——Form 4 ↗
SCHNEIDER BARRYSTLDSell FNovember 21, 2025November 25, 20254d341$153$52KForm 4 ↗
SCHNEIDER BARRYSTLDOther ANovember 21, 2025November 25, 20254d569——Form 4 ↗
MILLETT MARK DSTLDSell FNovember 21, 2025November 25, 20254d253$153$39KForm 4 ↗
MILLETT MARK DSTLDOther ANovember 21, 2025November 25, 20254d569——Form 4 ↗
BARGABOS SHEREE LSTLDOther ANovember 6, 2025November 6, 20250d244——Form 4 ↗
TEETS RICHARD P JRSTLDOther ANovember 6, 2025November 6, 20250d244——Form 4 ↗
Hamann Jennifer LSTLDOther ANovember 6, 2025November 6, 20250d122——Form 4 ↗
Alvarez MiguelSTLDSell SOctober 29, 2025October 30, 20251d8,251$163$1.3MForm 4 ↗
Hamann Jennifer LSTLDOther AOctober 10, 2025October 14, 20254d16——Form 4 ↗
TEETS RICHARD P JRSTLDOther AOctober 10, 2025October 14, 20254d12——Form 4 ↗
Sierra Luis ManuelSTLDOther AOctober 10, 2025October 14, 20254d16——Form 4 ↗
DOLAN TRACI MSTLDOther AOctober 10, 2025October 14, 20254d143——Form 4 ↗
Shaheen GabrielSTLDOther AOctober 10, 2025October 14, 20254d187——Form 4 ↗
Seaman Bradley SSTLDOther AOctober 10, 2025October 14, 20254d155——Form 4 ↗
Cornew Kenneth W.STLDOther AOctober 10, 2025October 14, 20254d6——Form 4 ↗
BARGABOS SHEREE LSTLDOther AOctober 10, 2025October 14, 20254d67——Form 4 ↗

Federal contracts (USAspending, awards started in the last 180 days)

No contract award starting in the last 180 days was found for a recipient named exactly "STEEL DYNAMICS INC". Subsidiaries and differently-spelled recipients are not matched — search contracts.

Lobbying (Senate LDA, as client)

PeriodRegistrantPrimary issueAmountSource
2026 Q3BOUNDARY STONE PARTNERSEnergy/Nuclear$60,000LDA ↗
2026 Q2BOUNDARY STONE PARTNERSEnergy/Nuclear$60,000LDA ↗
2026 Q1BOUNDARY STONE PARTNERSEnergy/Nuclear$60,000LDA ↗
2025 Q4BOUNDARY STONE PARTNERSEnergy/Nuclear$60,000LDA ↗
2025 Q3BOUNDARY STONE PARTNERSEnergy/Nuclear$60,000LDA ↗

Companies whose stock was traded by the same people who traded STLD, by number of filers in common. It shows overlap in public filings and nothing else.

Guides for this page

Sources and method

Official sources behind this page
SourceFilingsRowsFirst filedNewest filedRead the originals
House Clerk, periodic transaction reports11February 13, 2026February 13, 2026House Clerk search
Senate eFD, periodic transaction reports11July 21, 2026July 21, 2026Senate eFD search
SEC EDGAR, Form 4100150October 14, 2025October 9, 2026Form 4 list on EDGAR
Lobbying disclosure filings5 filings———LDA.gov search

Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.

Insiders and their transactions come from SEC EDGAR Form 4 filings for this issuer. Contracts and lobbying are matched by exact normalized name (suffixes like Inc./Corp. ignored) to USAspending recipients and LDA clients — a conservative match that misses subsidiaries on purpose. See methodology and corrections.

Not investment advice. Public records shown as filed; no recommendation is made or implied.