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M

MLM

NYSE

MARTIN MARIETTA MATERIALS INC

Latest disclosureSeptember 2, 2026
Insider score Why 0?
0/ 100
Qualifying buys · 30d
$0

0 purchases · 0 sales

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Insider transactions 19

Limited filing history
All19Buying0Selling0Other19
Filters

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

19 trades · May 1, 2026 – September 1, 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 19 trades on this page.

Award disclosed

Michael J. Petro

SVP and CFO

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 September 1, 2026Filed September 2, 2026SEC filing
Award disclosed

David C. Wajsgras

Director

Common Stock

Value context
$40.46K
Reported price
$518.70 / share
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

Source
SEC EDGAR · Form 4
Issuer CIK
0000916076
Latest public acceptance
Sep 2, 2026, 09:19 PM UTC
Score calculated
Oct 7, 2026, 12:05 AM 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.

Traded August 31, 2026Filed September 2, 2026SEC filing
Award disclosed

Thomas Pike

Director

Common Stock

Value context
$34.23K
Reported price
$518.70 / share
Traded August 31, 2026Filed September 2, 2026SEC filing
Award disclosed

Martin J. Lyons

Director

Common Stock

Value context
$35.27K
Reported price
$518.70 / share
Traded August 31, 2026Filed September 2, 2026SEC filing
Award disclosed

Philipp Niemann

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 21, 2026Filed August 25, 2026SEC filing
Tax or exercise withholding

Michael J. Petro

SVP and CFO

Common Stock

Value context
$199.56K
Reported price
$542.27 / share
Traded August 3, 2026Filed August 4, 2026SEC filing
Award disclosed

David C. Wajsgras

Director

Common Stock

Value context
$40.13K
Reported price
$581.64 / share
Traded May 29, 2026Filed June 2, 2026SEC filing
Award disclosed

Thomas Pike

Director

Common Stock

Value context
$34.32K
Reported price
$581.64 / share
Traded May 29, 2026Filed June 2, 2026SEC filing
Award disclosed

Martin J. Lyons

Director

Common Stock

Value context
$35.48K
Reported price
$581.64 / share
Traded May 29, 2026Filed June 2, 2026SEC filing
Award disclosed

David C. Wajsgras

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 14, 2026Filed May 18, 2026SEC filing
Award disclosed

Donald W. Slager

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 14, 2026Filed May 18, 2026SEC filing
Award disclosed

Thomas Pike

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 14, 2026Filed May 18, 2026SEC filing
Award disclosed

Laree E. Perez

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 14, 2026Filed May 18, 2026SEC filing
Award disclosed

Mary T. Mack

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 14, 2026Filed May 18, 2026SEC filing
Award disclosed

Martin J. Lyons

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 14, 2026Filed May 18, 2026SEC filing
Award disclosed

Anthony R. Foxx

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 14, 2026Filed May 18, 2026SEC filing
Award disclosed

Gayla J. Delly

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 14, 2026Filed May 18, 2026SEC filing
Award disclosed

Dorothy M. Ables

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 14, 2026Filed May 18, 2026SEC filing
Award disclosed

Christopher William Samborski

EVP, COO

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 1, 2026Filed May 5, 2026SEC filing
Reporting insiderSecurity / transactionAmount / priceValueTraded / disclosedSource
SVP and CFOCommon StockGrant or award9,331Award · no purchase priceNon-cash awardSep 1Filed Sep 2 · 1d laterSEC filing
DirectorCommon StockGrant or award78$518.70 / share$40.46KAug 31Filed Sep 2 · 2d laterSEC filing
DirectorCommon StockGrant or award66$518.70 / share$34.23KAug 31Filed Sep 2 · 2d laterSEC filing
DirectorCommon StockGrant or award68$518.70 / share$35.27KAug 31Filed Sep 2 · 2d laterSEC filing
DirectorCommon StockGrant or award337Award · no purchase priceNon-cash awardAug 21Filed Aug 25 · 4d laterSEC filing
SVP and CFOCommon StockExercise-price or tax withholding368$542.27 / share$199.56KAug 3Filed Aug 4 · 1d laterSEC filing
DirectorCommon StockGrant or award69$581.64 / share$40.13KMay 29Filed Jun 2 · 4d laterSEC filing
DirectorCommon StockGrant or award59$581.64 / share$34.32KMay 29Filed Jun 2 · 4d laterSEC filing
DirectorCommon StockGrant or award61$581.64 / share$35.48KMay 29Filed Jun 2 · 4d laterSEC filing
DirectorCommon StockGrant or award313Award · no purchase priceNon-cash awardMay 14Filed May 18 · 4d laterSEC filing
DirectorCommon StockGrant or award313Award · no purchase priceNon-cash awardMay 14Filed May 18 · 4d laterSEC filing
DirectorCommon StockGrant or award313Award · no purchase priceNon-cash awardMay 14Filed May 18 · 4d laterSEC filing
DirectorCommon StockGrant or award313Award · no purchase priceNon-cash awardMay 14Filed May 18 · 4d laterSEC filing
DirectorCommon StockGrant or award313Award · no purchase priceNon-cash awardMay 14Filed May 18 · 4d laterSEC filing
DirectorCommon StockGrant or award313Award · no purchase priceNon-cash awardMay 14Filed May 18 · 4d laterSEC filing
DirectorCommon StockGrant or award313Award · no purchase priceNon-cash awardMay 14Filed May 18 · 4d laterSEC filing
DirectorCommon StockGrant or award313Award · no purchase priceNon-cash awardMay 14Filed May 18 · 4d laterSEC filing
DirectorCommon StockGrant or award313Award · no purchase priceNon-cash awardMay 14Filed May 18 · 4d laterSEC filing
EVP, COOCommon StockGrant or award8,101Award · no purchase priceNon-cash awardMay 1Filed May 5 · 4d laterSEC filing

Congress transactions 10

All Congress filings
Sale disclosed

Martin Marietta Materials, Inc. Common Stock (MLM) · Stock

The filing reports a sale for a dependent.

April McClain Delaney official portraitApril McClain DelaneyReporting House member
Reported amount
$250,001 – $500,000Reported range; exact amount not disclosed.
Trade date
August 25, 2026
Filed September 9, 2026 · 15d laterOriginal report
Purchase disclosed

Martin Marietta Materials, Inc. Common Stock (MLM) · Stock

The filing reports a purchase for a dependent.

April McClain Delaney official portraitApril McClain DelaneyReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
August 19, 2026
Filed September 9, 2026 · 21d laterOriginal report
Purchase disclosed

Martin Marietta Materials, Inc. Common Stock (MLM) · Stock

The filing reports a purchase for a dependent.

April McClain Delaney official portraitApril McClain DelaneyReporting House member
Reported amount
$15,001 – $50,000Reported range; exact amount not disclosed.
Trade date
July 24, 2026
Filed August 3, 2026 · 10d laterOriginal report
Purchase disclosed

Martin Marietta Materials, Inc. Common Stock (MLM) · Stock

The filing reports a purchase for a dependent.

April McClain Delaney official portraitApril McClain DelaneyReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
July 20, 2026
Filed August 3, 2026 · 14d laterOriginal report
Purchase disclosed

Martin Marietta Materials, Inc. Common Stock (MLM) · Stock

The filing reports a purchase for a dependent.

April McClain Delaney official portraitApril McClain DelaneyReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
July 17, 2026
Filed August 3, 2026 · 17d laterOriginal report
Purchase disclosed

Martin Marietta Materials, Inc. Common Stock (MLM) · Stock

The filing reports a purchase for a dependent.

April McClain Delaney official portraitApril McClain DelaneyReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
May 28, 2026
Filed June 5, 2026 · 8d laterOriginal report
Sale disclosed

Martin Marietta Materials, Inc. Common Stock (MLM) · Stock

The filing reports a sale for a joint account.

Josh Gottheimer official portraitJosh GottheimerReporting House member
Reported amount
$15,001 – $50,000Reported range; exact amount not disclosed.
Trade date
April 9, 2026
Filed May 19, 2026 · 40d laterOriginal report
Purchase disclosed

Martin Marietta Materials, Inc. Common Stock (MLM) · Stock

The filing reports a purchase for a dependent.

April McClain Delaney official portraitApril McClain DelaneyReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
March 9, 2026
Filed April 6, 2026 · 28d laterOriginal report
Purchase disclosed

Martin Marietta Materials, Inc. Common Stock (MLM) · Stock

The filing reports a purchase for a dependent.

April McClain Delaney official portraitApril McClain DelaneyReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
December 2, 2025
Filed January 5, 2026 · 34d laterOriginal report
Sale disclosed

Martin Marietta Materials, Inc. Common Stock (MLM) · Stock

The filing reports a sale for a spouse.

Valerie Hoyle official portraitValerie HoyleReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
September 23, 2025
Filed October 10, 2025 · 17d laterOriginal report
Limited filing history · Market-wide discovery does not establish complete company history. View coverage