How many insider trades does FilingIQ track for MLM?

FilingIQ tracks 945 Form 4 insider transactions for MLM (MARTIN MARIETTA MATERIALS INC), covering filings from Dec 1, 2014 onwards. 32 of those were filed in the last 90 days.

Are MLM insiders net buyers or net sellers?

Across the full Form 4 history for MLM, 45 transactions (5%) were open-market purchases and 73 (8%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does MLM insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.

What sector is MLM in?

MARTIN MARIETTA MATERIALS INC (MLM) is classified in the Basic Materials sector, specifically Building Materials, with a current market capitalisation of $40.94B.

MLM insider trading

Basic Materials

MARTIN MARIETTA MATERIALS INC — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

945

Last 90 days

Buys / sells

5% / 8%

Market cap

$40.94B

About MARTIN MARIETTA MATERIALS INC

Martin Marietta Materials, Inc., a natural resource-based building materials company, supplies aggregates and heavy-side building materials to the construction industry in the United States and internationally. It offers crushed stone, sand, and gravel products; ready mixed concrete and asphalt; paving products and services; and Portland and specialty cement for use in the infrastructure projects, and nonresidential and residential construction markets, as well as in the railroad, agricultural, utility, and environmental industries. The company also produces magnesia-based chemicals products, dolomitic lime primarily to customers for steel production and soil stabilization. Its chemical products are used in flame retardants, wastewater treatment, pulp and paper production, and other environmental applications. The company was founded in 1939 and is headquartered in Raleigh, North Carolina.

Company website: www.martinmarietta.com

MLM insider activity at a glance

FilingIQ has scored 945 insider transactions for MLM since Dec 1, 2014. The most recent filing in our index is dated May 1, 2026.

Across the full history, 45 open-market purchases and 73 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on MLM insider trades is 59.6/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live MLM trades on FilingIQ Raw filings on SEC EDGAR

Latest MLM Form 4 filings

LaTorre Craig M Sr. VP, CHRO

S Aug 21, 2023

Most recent disclosures. Sign up to filter by score, transaction code, or insider role.

Other Basic Materials tickers with recent insider activity

Axalta Coating Systems Ltd.

INTERNATIONAL FLAVORS & FRAGRANCES INC

MTRN 110

MATERION Corp

LYB 109

LyondellBasell Industries N.V.

13F funds holding MLM

Findlay Park Partners LLP

$240.12M · 2.6% of AUM

RDST Capital LLC

$70.32M · 6.6% of AUM

Skye Global Management LP

$30.08M · 0.7% of AUM

Rather & Kittrell, Inc.

$16.93M · 4.1% of AUM

DAVENPORT & Co LLC

$146578 · 1.0% of AUM

Frequently asked

How many insider trades does FilingIQ track for MLM?: FilingIQ tracks 945 Form 4 insider transactions for MLM (MARTIN MARIETTA MATERIALS INC), covering filings from Dec 1, 2014 onwards. 32 of those were filed in the last 90 days.
Are MLM insiders net buyers or net sellers?: Across the full Form 4 history for MLM, 45 transactions (5%) were open-market purchases and 73 (8%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does MLM insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is MLM in?: MARTIN MARIETTA MATERIALS INC (MLM) is classified in the Basic Materials sector, specifically Building Materials, with a current market capitalisation of $40.94B.

Methodology & sources

Every MLM insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.