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Form 8-K · Current Report · Filed 2026-08-04

Martin Marietta Promotes Michael J. Petro to Executive Vice President and CFO

On August 4, 2026, Martin Marietta Materials, Inc.

Filer
Martin Marietta Materials Inc. MLM · NYSE
Filed
Accession
0000950157-26-000837
CIK
0000916076
Signal
High impactBasic Materials

Details

announced the promotion of Michael J. Petro to Executive Vice President and Chief Financial Officer (CFO). Petro's new role includes a base salary of $750,000, target annual incentive award of 100% of base salary, and a target long-term incentive award of 260% of base salary. He will also receive a one-time grant of restricted stock units with a grant date value of $5,000,000. The promotion is accompanied by an employment agreement and an amended and restated employment protection agreement, which include severance benefits and continued benefits in certain termination scenarios.

Items reported

Item events

Reported Item

New CFO Appointed Executive Employment Agreement

Market reaction

Close before filing

$525.14

Since filing

+0.0%

Latest close

$525.14

What happened, not what will happen — closing prices around the filing date.

Precedent

Previous filings from MLM reporting the same item, with the next session's move:

Insider tape

Within 45 days of this filing, MLM insiders reported 1 Form 4 transaction — net selling of $200K.

Full MLM insider history →

About Martin Marietta Materials Inc.

Martin Marietta Materials Inc. is a leading supplier of building materials, primarily aggregates like crushed stone, sand, and gravel, as well as cement and concrete products in the United States. Its primary purpose is to support the construction industry by providing essential raw materials used in infrastructure projects, commercial and residential construction, and the development of public works like roads, bridges, and airports. Martin Marietta Materials is heavily involved in sectors such as construction, transportation, and energy, where its products are critical for foundational building and maintenance. The company plays a significant role in regional and national economic development, given the essential nature of its offerings in the construction and infrastructure sectors. With a broad geographic footprint and a diverse product line, Martin Marietta Materials holds a strategic position within the market, contributing to the durability and growth of urban and rural communities alike.

Exchange NYSE Industry Building Materials Company website ↗

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