Skip to content
Whale Atlas — Follow the signal.
Home
FULL RECORDS
Search insider filingsAll Congress filings
MORE TOOLS
WatchlistGold IntelligencePeopleCharts & technicalsCompany financialsOfficial newsMy saved workspace
YOUR RESEARCH
HomeSearch insider filingsAll Congress filings
More research tools
ExploreGold IntelligencePeopleInvestigate an ideaCharts & technicalsMore evidenceCompany financialsOfficial newsMy research & helpWatchlistMy saved workspaceLearn the basicsHow signals workData & coverage
RESOURCES
LearnMethodologyData sources
Built on public evidence.

Primary sources. Clear reasoning.
No black boxes.

Our approach
Public research workspacev1.0

Loading data…Scanning SEC filings…Checking Congress reports…Following the signal…

HomeSearchCongressWatchlist
© 2026 Whale AtlasFree public-filing research. Not financial advice. By using this site you agree to the Terms of Use.
FAQCompare trackersMethodologyData & correctionsTermsPrivacy
Back to Home
S

STLD

Nasdaq

STEEL DYNAMICS INC

Latest disclosureAugust 14, 2026
Insider score Why 0?
0/ 100
Qualifying buys · 30d
$0

0 purchases · 13 sales

Price by TradingViewDelayed quote from TradingView, for viewing only. It does not power Whale Atlas scores or alerts. If the quote does not load, open the TradingView link.

Insider transactions 40

Limited filing history
All40Buying0Selling13Other27
Filters

Last 30 daysNo qualifying insider buying. No qualifying insider sales.

27 of 40 trades · April 10, 2026 – August 13, 2026Incomplete history: this shows the filings imported so far, not every filing ever made. Dates are trade dates. Filters affect this table only.

Showing the first 6 of 20 trades on this page.

Award disclosed

Jennifer L. Hamann

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded August 13, 2026Filed August 14, 2026SEC filing
Gift disclosed

Mark D. Millett

Chairman and CEO

Common Stock

Value context
Not a purchase
Reported price
Gift · no purchase price
Understand this price

The filing reports a zero transaction price for this gift. It does not establish the market value of the gift.

Traded July 28, 2026Filed July 28, 2026SEC filing
Award disclosed

Luis Manuel Sierra

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded July 10, 2026Filed July 14, 2026SEC filing
Award disclosed

Bradley S. Seaman

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded July 10, 2026Filed July 14, 2026SEC filing
Award disclosed

Jennifer L. Hamann

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded July 10, 2026Filed July 14, 2026SEC filing
Award disclosed

Traci M. Dolan

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded July 10, 2026Filed July 14, 2026SEC filing
Award disclosed

Kenneth W. Cornew

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded July 10, 2026Filed July 14, 2026SEC filing
Award disclosed

Sheree L. Bargabos

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded July 10, 2026Filed July 14, 2026SEC filing
Award disclosed

Bradley S. Seaman

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded June 1, 2026Filed June 1, 2026SEC filing
Award disclosed

Jennifer L. Hamann

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded June 1, 2026Filed June 1, 2026SEC filing
Award disclosed

Traci M. Dolan

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded June 1, 2026Filed June 1, 2026SEC filing
Award disclosed

Kenneth W. Cornew

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded June 1, 2026Filed June 1, 2026SEC filing
Award disclosed

Sheree L. Bargabos

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded June 1, 2026Filed June 1, 2026SEC filing
Award disclosed

Luis Manuel Sierra

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded June 1, 2026Filed June 1, 2026SEC filing
Gift disclosed

Richard A. Poinsatte

Senior Vice President

Common Stock

Value context
Not a purchase
Reported price
Gift · no purchase price
Understand this price

The filing reports a zero transaction price for this gift. It does not establish the market value of the gift.

Traded May 14, 2026Filed May 15, 2026SEC filing
Award disclosed

Jennifer L. Hamann

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 6, 2026Filed May 7, 2026SEC filing
Award disclosed

Richard P. Teets Jr

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 6, 2026Filed May 7, 2026SEC filing
Award disclosed

Sheree L. Bargabos

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 6, 2026Filed May 7, 2026SEC filing
Tax or exercise withholding

Chad Bickford

Vice President

Common Stock

Value context
$37.96K
Reported price
$228.66 / share
Traded May 1, 2026Filed May 4, 2026SEC filing
Award disclosed

Richard P. Teets Jr

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded April 10, 2026Filed April 13, 2026SEC filing
Reporting insiderSecurity / transactionAmount / priceValueTraded / disclosedSource
DirectorCommon StockGrant or award72Award · no purchase priceNon-cash awardAug 13Filed Aug 14 · 1d laterSEC filing
Chairman and CEOCommon StockGift300Gift · no purchase priceNot a purchaseJul 28Filed Jul 28 · 0d laterSEC filing
DirectorCommon StockGrant or award7Award · no purchase priceNon-cash awardJul 10Filed Jul 14 · 4d laterSEC filing
DirectorCommon StockGrant or award109Award · no purchase priceNon-cash awardJul 10Filed Jul 14 · 4d laterSEC filing
DirectorCommon StockGrant or award18Award · no purchase priceNon-cash awardJul 10Filed Jul 14 · 4d laterSEC filing
DirectorCommon StockGrant or award102Award · no purchase priceNon-cash awardJul 10Filed Jul 14 · 4d laterSEC filing
DirectorCommon StockGrant or award2Award · no purchase priceNon-cash awardJul 10Filed Jul 14 · 4d laterSEC filing
DirectorCommon StockGrant or award43Award · no purchase priceNon-cash awardJul 10Filed Jul 14 · 4d laterSEC filing
DirectorCommon StockGrant or award712Award · no purchase priceNon-cash awardJun 1Filed Jun 1 · 0d laterSEC filing
DirectorCommon StockGrant or award712Award · no purchase priceNon-cash awardJun 1Filed Jun 1 · 0d laterSEC filing
DirectorCommon StockGrant or award712Award · no purchase priceNon-cash awardJun 1Filed Jun 1 · 0d laterSEC filing
DirectorCommon StockGrant or award712Award · no purchase priceNon-cash awardJun 1Filed Jun 1 · 0d laterSEC filing
DirectorCommon StockGrant or award712Award · no purchase priceNon-cash awardJun 1Filed Jun 1 · 0d laterSEC filing
DirectorCommon StockGrant or award712Award · no purchase priceNon-cash awardJun 1Filed Jun 1 · 0d laterSEC filing
Senior Vice PresidentCommon StockGift200Gift · no purchase priceNot a purchaseMay 14Filed May 15 · 1d laterSEC filing
DirectorCommon StockGrant or award79Award · no purchase priceNon-cash awardMay 6Filed May 7 · 1d laterSEC filing
DirectorCommon StockGrant or award158Award · no purchase priceNon-cash awardMay 6Filed May 7 · 1d laterSEC filing
DirectorCommon StockGrant or award158Award · no purchase priceNon-cash awardMay 6Filed May 7 · 1d laterSEC filing
Vice PresidentCommon StockExercise-price or tax withholding166$228.66 / share$37.96KMay 1Filed May 4 · 3d laterSEC filing
DirectorCommon StockGrant or award9Award · no purchase priceNon-cash awardApr 10Filed Apr 13 · 3d laterSEC filing

Showing the latest 20 of 27 trades. Show all 27 trades

Congress transactions 2

All Congress filings
Purchase disclosed

Steel Dynamics, Inc. - Common Stock · Stock

The filing reports a purchase for the member.

AAAlan ArmstrongReporting Senate member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
March 27, 2026
Filed July 21, 2026 · 116d laterOriginal report
Purchase disclosed

Steel Dynamics, Inc. - Common Stock (STLD) · Stock

The filing reports a purchase for the member.

Gilbert Cisneros official portraitGilbert CisnerosReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
January 9, 2026
Filed February 13, 2026 · 35d laterOriginal report
Explore furtherTechnical lab Company financials Test a strategy Compare company

Why this buying score?

No qualifying common-equity purchases

No eligible common-equity purchase is public by this cutoff within 180 transaction-date days. Other instruments, exercises and routine activity do not contribute purchase points.

+0 pts

This score describes qualifying insider purchases at issuer level. Read the methodology

Sources and coverage

Limited filing history · Market-wide discovery does not establish complete company history. View coverage
Source
SEC EDGAR · Form 4
Issuer CIK
0001022671
Latest public acceptance
Aug 14, 2026, 06:37 PM UTC
Score calculated
Oct 8, 2026, 03:52 PM UTC
Parser
form4-parser-1.5
Classifier
form4-classifier-1.1
Scoring methodology
insider-experimental-1.1
Availability
Public filing time, not trade date

Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.

Insider activity can have many explanations. Signal Strength is not a probability of profit or a recommendation to trade.